Eyes Over Puget Sound for the month of April 2021

Aerial photography

1. Up-to-date observations of water quality conditions in Puget Sound and coastal bays
Surface Conditions Report:April 1,2021
Eyes Over Puget Sound
Publication No. 21- 03-073
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData

2. LONG
-TERM
MARINE MONITORING
UNIT
Editor: Dr. Christopher Krembs, editorial assistance: Valerie Partridge, Elisa Rauschl.
Herring & planes, p. 3-4
Capturing these events from a plane provides valuable
information.
Climate & streams,
p. 5-7
After a wet winter, spring has been noticeably drier, warmer, and sunnier, and river flows are near normal levels.
Summary conditions at a glance
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Aerial photography, p. 10-38
The spring bloom is developing, though not very pronounced, but Noctilucais already visibly present in
Hood Canal." Suspended sediment frequently seen near
rivers and creeks, failing bluffs, and human activities. Oil
sheen in Salmon Bay.
Dr. Christopher Krembs
Skip Albertson
Mike MacKay
Water quality, p. 8-9
Salinity in coastal bays and Puget Sound is higher,
especially in areas with rain- fed river sources.
Julia Bos

3. spawning
Mike MacKay uses his airplane to support the documentation of herring spawning events in North Sound.
For more information about his work contact: Mike MacKay, [email protected].
Explore aerial observations of h erring spawn events in Whatcom County 2015 – 2021 by Mike MacKay
Capturing spawning events from a plane
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData

4. spawning
In 2000, the state Department of Natural Resources created theCherry Point Aquatic Reserveto “protect the
significant environmental resource” of the area –– including herring.
Mike MacKay
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Capturing spawning events from the plane

5. Climate: How well is the Salish Sea exchanging its water?
The Fraser River is the major driver of
estuarine circulationand water
exchange between the Salish Sea and
the ocean. The Fraser River flows
normalize after high flows in 2020 and
winter 2021.
Historically, the peaks of coastal upwelling and the
freshetare in sync.
PDO/Upwelling Index
How do ocean boundary conditions
affect the quality of water the Salish
Sea exchanges with the ocean?
Water has gradually cooled (PDO).
Upwelling (Upwelling Index anomaly)
is at expected level.
Pacific Decadal Oscillation Index (PDO, temperature, explanation).
Upwelling Index (anomalies) (Upwelling, low oxygen, explanation).
Three-year running average of PDO and Upwelling Indices
Fraser River (at midnight)
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData

6. Climate: How well is Puget Sound exchanging its water?
The Skagit River freshet is no longer
clearly pronounced, because it is a
regulated system for hydroelectric
power generation. However, drought
years and low flows can be seen in the
river’s discharge data. In the last year,
flows of the Skagit appear more
normal.
The Skagit River is the largest freshwater source for Puget Sound. It is a river that is regulated.
River flows and upwelling in the summer influence our water quality.
Rivers strengthen estuarine
circulation in the Salish Sea. This is
important in the summer.
Upwelled ocean water provides cool,
nutrient- rich water.
For that to happen, we need
northerly winds and good river flows
(a good snowpack) during periods of
water exchange through Admiralty
Reach (neap tides).
Normal river flows
drive “natural”
nutrient inputs and
keep the water
cool.
Low river flows
change the nutrient
balance and make
water warmer.
Skagit River (at midnight USGS)
Higher than normal
Lower than normal
Expected
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData

7. higher No datalowerexpected
*Upwelling/downwelling Anomalies (PFEL)
PDO = Pacific Decadal Oscillation
ENSO = El Niño Southern Oscillation
All data are from public sources: UW GRAYSKIES; river
flows from USGS and Environment Canada; indices from
NOAA & UW ( PDO).
Combined factors influencing water quality
In the anomaly plot, we want to connect different factors influencing water quality in the
context of space and time. We do this with a heat map and anomalies by month for
selected regions from north to south.
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Conditions leading up to April:
Air temperatures were generally warmer
this winter, but February and March were
cold.
Precipitationhas been below normal in
March and April, an abrupt change from
January and February.
Cloud coverhas been low in March and
April.
River flowshave been higher than
normal but are returning to normal.
Downwelling was less pronounced in
February. PDO is lower and La Niña
remains.

8. M AM JJASONDJFM AM JJASONDJFM AMJJASONDJFM A M AM JJASONDJFM AM JJASONDJFM AMJJASONDJFM A M AM JJASONDJFM AM JJASONDJFM AMJJASONDJFM A
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expected expected expected expected expected no data expected expected expected expected expected expected expected expected sign higher expected expected expected expected expected no data expected expected expected sign lower no data no data no data no data no data no data no data expected expected no data expected expected expected expected expected expected expected expected no data expected expected max max sign higher sign higher sign higher sign higher sign higher sign higher sign higher max expected max no data sign higher max sign higher expected no data no data no data no data no data no data no data expected sign lower no data sign lower expected expected expected expected expected expected expected expected expected expected expected expected expected expected sign lower expected expected expected expected expected expected sign lower no data expected sign higher sign higher sign higher no data no data no data no data no data no data no data sign lower sign lower no data expected expected no data
sign lower expected expected sign higher sign higher expected expected expected no data sign lower sign higher min sign higher sign higher sign higher sign higher expected sign higher expected expected no data expected expected no data expected no data no data no data no data no data no data no data expected expected expected expected expected max sign lower sign lower expected expected expected expected expected expected no data sign lower expected expected expected sign higher sign higher sign higher sign higher expected sign higher sign higher no data sign higher expected no data expected no data no data no data no data no data no data no data expected expected expected expected expected expected max sign lower sign higher expected expected expected expected expected no data sign higher expected sign higher expected sign lower expected expected sign lower expected expected expected no data expected expected no data expected no data no data no data no data no data no data no data sign higher expected expected sign lower sign higher no data
expected sign higher sign higher sign higher sign higher expected expected sign higher no data sign higher sign higher expected sign higher sign higher sign higher sign higher sign higher sign higher sign higher expected no data sign higher expected no data sign lower no data no data no data no data no data no data no data sign lower expected expected expected expected expected sign lower sign higher expected expected expected expected expected sign higher no data sign higher sign higher expected sign higher max sign higher sign higher sign higher sign higher sign higher sign higher no data sign higher max no data expected no data no data no data no data no data no data no data sign lower expected expected sign lower expected expected sign higher expected expected expected expected expected expected sign higher no data expected sign lower expected expected expected sign lower expected expected expected expected expected no data expected sign higher no data sign higher no data no data no data no data no data no data no data sign lower sign lower min expected expected no data
sign lower expected expected expected sign higher expected sign higher expected no data expected sign higher sign lower sign higher sign higher sign higher expected expected sign higher sign higher sign higher no data expected expected no data expected no data no data no data no data no data no data no data expected expected expected expected expected max sign lower sign lower expected sign lower expected expected expected expected no data expected expected expected expected sign higher expected sign higher sign higher sign higher sign higher expected no data sign higher expected no data expected no data no data no data no data no data no data no data expected expected sign lower expected expected expected max sign lower expected expected expected expected expected expected no data expected expected sign higher expected sign lower expected expected sign lower expected expected expected no data expected expected no data expected no data no data no data no data no data no data no data sign higher expected expected expected max no data
no data expected sign lower sign higher no data expected expected expected no data expected sign higher expected expected sign higher sign higher max expected expected sign higher expected no data expected expected no data expected no data no data no data no data no data no data no data sign lower expected expected expected expected no reference no data sign higher expected expected no data expected expected expected no data sign higher expected expected expected sign higher sign higher sign higher sign higher sign higher sign higher sign higher no data max max no data expected no data no data no data no data no data no data no data sign lower expected no reference expected expected expected no data sign lower expected expected no data expected expected expected no data sign lower expected sign higher expected sign lower expected expected sign lower expected expected expected no data expected expected no data expected no data no data no data no data no data no data no data sign lower min expected expected sign lower no data
expected expected expected no data expected expected no data expected expected no data sign higher no data expected expected expected sign lower expected expected sign higher expected sign higher no data no data expected no data no data no data no data no data no data no data no data no data max expected no data expected expected expected expected expected no data expected expected no data sign higher sign lower no data sign higher no data sign higher max sign higher sign higher sign higher max sign higher expected sign higher no data no data expected no data no data no data no data no data no data no data no data no data expected min no data expected expected sign higher sign lower expected no data expected sign lower no data sign lower expected no data expected no data sign lower sign lower expected sign lower expected sign lower expected expected expected no data no data expected no data no data no data no data no data no data no data no data no data expected sign higher no data sign lower expected
expected expected expected no data sign higher sign higher no data expected expected no data expected no data expected expected expected expected expected sign higher sign higher sign higher expected no data no data expected no data no data no data no data no data no data no data no data no data expected expected no data expected expected expected expected expected no data expected sign higher no data expected sign higher no data sign higher no data sign higher max sign higher sign higher max max max sign higher sign higher no data no data expected no data no data no data no data no data no data no data no data no data expected expected no data expected expected sign lower sign lower sign lower no data expected sign lower no data expected sign lower no data expected no data expected sign lower sign lower expected expected expected sign lower expected expected no data no data expected no data no data no data no data no data no data no data no data no data sign higher expected no data expected expected
expected sign lower expected no data expected expected expected expected expected no data sign higher no data expected expected expected expected sign lower expected sign higher sign higher sign higher max expected no data no data no data no data no data no data no data no data no data max expected expected expected expected expected sign higher expected no data expected sign higher sign higher sign higher sign lower no data sign higher no data sign higher sign higher expected sign higher max sign higher max max expected max expected expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected sign lower expected sign lower expected no data min min min sign lower sign higher no data sign lower no data sign lower expected expected sign higher sign lower sign lower sign lower expected expected sign lower expected expected no data no data no data no data no data no data no data no data no data sign lower expected expected expected expected
expected expected expected no data sign higher expected expected expected expected no data sign higher no data expected expected sign higher sign higher expected sign higher sign higher sign higher sign higher sign higher expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected expected no data new min sign higher sign higher sign higher expected no data sign higher no data sign higher max expected sign higher sign higher sign higher sign higher max expected max expected expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected sign lower no data expected min min sign lower sign lower no data sign lower no data expected expected sign higher sign higher expected sign lower sign lower expected expected sign lower sign higher expected no data no data no data no data no data no data no data no data no data sign lower sign higher expected expected expected
expected expected expected expected expected sign higher expected expected expected no data sign higher no data expected sign higher expected expected sign lower expected sign higher sign higher sign higher max expected expected no data no data no data no data no data no data no data no data no data max expected expected expected expected expected sign higher expected expected sign higher sign higher sign higher max min no data sign higher no data sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher max expected expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected sign lower expected expected sign lower sign lower sign lower min expected no data sign lower no data expected max expected sign higher sign lower sign lower sign lower sign lower expected sign lower sign higher expected no data no data no data no data no data no data no data no data no data sign lower sign higher sign higher sign lower sign lower
expected expected expected expected expected sign higher sign higher expected sign higher no data sign higher no data expected expected expected expected expected sign higher sign higher sign higher sign higher sign higher expected expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected sign lower expected expected sign higher sign higher sign higher expected no data sign higher no data sign higher sign higher sign higher sign higher sign higher sign higher sign higher max expected max sign higher sign lower no data no data no data no data no data no data no data no data no data expected expected expected expected expected expected expected expected expected sign lower min sign lower sign lower sign lower no data expected no data expected expected expected expected expected expected expected sign lower expected sign lower sign higher expected no data no data no data no data no data no data no data no data no data sign lower expected expected expected expected
sign lower expected expected expected expected no data expected no data expected no data sign higher no data expected expected expected expected sign lower expected max sign higher no data expected no data expected no data no data no data no data no data no data no data no data no data sign higher sign higher expected expected expected expected expected sign lower sign lower expected no data sign higher no data sign higher no data sign higher no data sign higher sign higher expected sign higher sign higher sign higher max max no data sign higher sign higher sign lower no data no data no data no data no data no data no data no data no data expected expected expected expected expected expected sign lower expected sign higher sign higher no data sign higher no data expected no data sign lower no data expected sign higher expected expected sign lower sign lower expected sign higher no data expected expected expected no data no data no data no data no data no data no data no data no data expected expected sign higher expected sign lower
expected expected expected expected expected sign higher expected expected expected no data sign higher no data expected expected sign higher expected expected expected sign higher sign higher sign higher sign higher sign lower sign higher no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected sign lower expected expected expected sign higher sign higher expected no data sign higher no data sign higher sign higher expected sign higher sign higher sign higher max max sign higher max sign higher expected no data no data no data no data no data no data no data no data no data sign higher sign lower expected expected expected expected sign lower expected sign higher min expected sign lower min expected no data expected no data expected sign lower expected sign higher expected sign lower min expected expected expected sign higher expected no data no data no data no data no data no data no data no data no data sign lower sign higher expected sign lower expected
expected expected expected expected sign higher sign higher expected sign higher sign higher no data sign higher no data expected expected expected expected sign higher expected sign higher sign higher sign higher expected expected expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected expected sign lower expected sign higher max expected sign higher no data sign higher no data sign higher sign higher sign higher sign higher max sign higher max sign higher sign higher max sign higher expected no data no data no data no data no data no data no data no data no data expected expected expected expected expected expected expected expected expected sign lower sign lower sign lower sign lower expected no data sign lower no data sign higher expected expected expected sign higher expected expected expected expected sign lower expected expected no data no data no data no data no data no data no data no data no data expected expected expected expected expected
expected expected expected expected expected expected expected expected expected no data sign higher no data expected expected sign higher expected expected sign higher max sign higher sign higher sign higher expected sign higher no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected sign lower expected expected expected sign higher sign higher expected no data sign higher no data sign higher sign higher sign higher sign higher sign higher sign higher expected max sign higher sign higher sign higher expected no data no data no data no data no data no data no data no data no data expected expected expected expected expected expected expected expected expected min sign lower sign lower sign lower expected no data sign lower no data expected sign lower sign higher expected sign lower expected expected expected expected sign lower expected expected no data no data no data no data no data no data no data no data no data sign lower expected expected expected expected
expected expected expected expected expected sign higher sign higher expected sign higher no data expected no data expected expected sign higher expected expected sign higher sign higher sign higher sign higher expected expected sign higher no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected expected expected expected sign higher sign higher sign higher expected no data sign higher no data sign higher sign higher expected sign higher sign higher sign higher sign higher max sign higher sign higher sign higher expected no data no data no data no data no data no data no data no data no data expected expected expected expected expected sign lower expected sign lower expected min sign lower sign lower sign lower expected no data expected no data expected expected expected expected expected expected expected expected expected sign lower expected expected no data no data no data no data no data no data no data no data no data sign lower expected expected expected expected
expected expected expected sign higher expected expected sign higher expected expected sign higher sign higher sign lower expected expected expected sign higher expected sign higher max sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected expected expected expected expected expected expected expected sign higher sign higher max sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher expected expected no data no data no data no data no data no data expected sign lower expected no data sign lower expected expected expected sign lower expected expected sign lower expected expected expected expected sign lower sign lower expected expected expected sign lower expected sign lower expected sign lower expected expected expected expected expected sign lower no data no data no data no data no data no data sign lower sign higher sign higher no data sign higher expected sign lower
expected expected sign higher expected expected expected sign higher expected expected sign higher sign higher expected expected expected expected sign higher expected sign higher sign higher sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected sign lower expected expected expected expected expected expected sign higher sign higher max sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher max max expected expected no data no data no data no data no data no data expected sign lower expected no data sign lower expected expected expected expected expected expected sign lower expected expected expected expected sign lower sign lower expected expected expected sign lower expected sign lower expected min sign lower sign higher expected expected expected expected no data no data no data no data no data no data sign lower sign higher expected no data expected expected expected
sign lower expected sign higher sign higher expected sign higher sign higher sign higher expected sign higher sign higher expected expected expected expected expected sign higher expected max sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected expected expected expected expected expected expected expected expected max sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max max max sign higher sign higher expected expected no data no data no data no data no data no data expected expected expected no data expected expected expected expected sign higher max sign higher sign higher sign higher expected sign lower sign lower sign lower sign lower sign lower sign higher sign lower expected sign higher sign lower expected expected sign lower sign lower expected expected expected expected no data no data no data no data no data no data sign lower expected sign higher no data expected sign higher expected
expected expected sign higher expected expected expected sign higher expected expected sign higher sign higher expected expected expected sign higher expected expected expected sign higher sign higher expected expected expected sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected expected expected expected expected expected expected expected expected max max sign higher sign higher sign higher max max sign higher sign higher max max max sign higher max sign higher expected expected no data no data no data no data no data no data expected expected expected no data expected expected expected expected expected expected expected expected expected expected expected expected min expected expected expected expected expected expected sign lower sign lower min expected expected sign lower expected expected expected no data no data no data no data no data no data expected max expected no data sign higher expected expected
expected expected sign higher sign higher expected expected sign higher expected expected sign higher sign higher sign lower expected expected expected expected expected expected max sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data sign lower expected expected expected expected expected expected expected expected expected expected sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher max sign higher expected expected no data no data no data no data no data no data expected sign lower expected no data sign lower expected expected expected sign lower expected expected sign lower expected expected expected expected expected sign lower expected sign higher expected min expected expected sign lower expected sign lower expected expected expected sign higher expected no data no data no data no data no data no data expected max expected no data sign higher expected sign lower
expected expected sign higher expected expected expected sign higher expected expected sign higher sign higher sign lower expected expected expected sign higher expected sign higher sign higher sign higher expected expected sign higher sign higher sign higher no data no data no data no data no data no data expected sign lower expected no data expected expected expected expected expected expected expected expected expected expected expected sign higher max sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher max sign higher expected expected no data no data no data no data no data no data expected sign lower expected no data sign lower expected expected expected sign lower expected expected expected expected expected expected expected sign lower sign lower expected sign higher expected min expected sign lower expected sign lower sign lower expected expected expected expected expected no data no data no data no data no data no data expected sign higher sign higher no data expected expected expected
expected expected sign higher expected expected expected expected sign higher expected max sign higher sign lower expected expected expected expected expected expected max sign higher expected expected expected expected expected no data no data no data no data no data no data expected min expected no data expected expected sign lower expected expected expected sign higher expected expected expected sign higher max max sign higher sign higher max max max max max max max max sign higher max sign higher sign lower sign higher no data no data no data no data no data no data expected expected expected no data expected sign higher sign higher expected sign lower expected sign lower expected sign higher sign higher sign higher expected sign lower sign lower expected max sign lower sign lower expected expected sign lower expected sign lower sign lower expected sign higher expected expected no data no data no data no data no data no data min sign higher sign higher no data sign higher sign lower min
expected expected expected expected expected expected sign higher sign higher expected expected sign higher sign lower expected expected expected sign higher expected expected max sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected min expected no data expected expected expected expected sign higher expected expected expected expected expected sign higher max max sign higher sign higher sign higher max max max max max max max max max max expected expected no data no data no data no data no data no data expected expected expected no data expected expected expected expected expected sign lower sign lower sign lower expected expected expected expected expected sign lower expected sign higher sign higher sign lower expected expected expected sign lower sign lower expected sign higher sign lower expected expected no data no data no data no data no data no data expected sign higher sign higher no data expected expected expected
expected sign higher sign higher expected expected expected sign higher expected expected sign higher sign higher sign lower expected sign higher expected expected expected sign higher sign higher sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected sign lower sign lower expected expected expected expected expected expected sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher max expected sign lower expected no data no data no data no data no data no data expected expected expected no data sign lower expected expected sign higher expected expected expected expected expected sign higher expected expected expected expected expected max expected expected expected sign lower expected sign lower sign lower expected expected expected expected expected no data no data no data no data no data no data sign lower sign higher sign higher no data sign higher expected sign lower
expected sign higher sign higher expected expected sign higher sign higher sign higher expected sign higher sign higher sign lower expected sign higher sign higher expected expected expected sign higher sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected sign lower sign lower expected expected expected expected expected expected max sign higher sign higher sign higher expected expected sign higher sign higher sign higher sign higher sign higher max sign higher max sign higher expected expected no data no data no data no data no data no data expected expected expected no data sign lower sign lower expected expected expected expected expected sign lower sign higher sign higher sign higher expected expected sign lower expected max expected expected expected sign lower expected sign lower sign lower expected expected expected expected expected no data no data no data no data no data no data expected sign higher sign higher no data sign higher expected sign lower
expected expected sign higher expected expected expected sign higher sign higher expected expected sign higher sign lower expected expected expected sign higher expected sign higher sign higher sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected expected sign lower expected expected expected expected expected expected max sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max max sign higher sign higher sign higher expected expected no data no data no data no data no data no data expected expected expected no data expected expected expected expected sign lower expected expected sign lower expected expected expected sign higher expected expected sign higher max expected sign lower expected sign higher expected expected sign higher expected expected expected expected sign higher no data no data no data no data no data no data sign higher sign higher expected no data expected sign higher sign lower

Year 2018 2019
Salinity
Month
Grays Harbor
Temperature
Willapa Bay
South Sound
San Juan
Strait of Juan de
Fuca
North Sound
Whidbey Basin
Hood Canal
Central Sound
2019 20202020 2018 2019
DO
201820202021 2021 2021
Marine stations are sampled monthly, surface to full
depth. Color coding of mapped sites matches regional
colors for heat maps displayed on the right.
Marine water c onditions: 2021 temperature, salinity, and dissolved oxygen
Coastal Bays Salish Sea
T: Warmer T: Expected temps
S: Max Salinity S: Saltier at depth, especially Strait of JdF/San Juans
DO: Lower DO: Variable. April mostly expected with S. Sound lows
Higher Expected Lower No Data
Temperature Salinity Dissolved OxygenBaseline: 1999-2020 (expanding)
Record highs in January and February for both precipitation and river discharge switched to record lows in
March and April This impacted salinity in coastal bays and Puget Sound, especially areas that have rain -fed
river sources.
Boundary conditions lead to salinity fluctuations
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData

9. What's the story so far?
Go to the webpageand read detailed discussion summaries.
Stay up-to-date on unfolding stories relevant to our region
Stay plumbed into the the information stream…
The Marine Waters Work Group
(PSEMP) releases a summary of its
bimonthly Marine Condition Update,
covering the Puget Sound region,
coastal waters, and the North Pacific.
To participate in the webinar every
other month, join our email list by
emailing Iris Kemp ([email protected])
or the Marine Waters Work Group
([email protected]).
Experts discussing marine conditions for September
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData

10. Bloom
Debris
Front
Plume
Narrow Hammersley Inlet connecting Oakland Bay
Mixing and fronts:
Internal waves in Saratoga Passage, mixing near Suciaand
MatiaIslands.
Debris:
Organic debris not very abundant.
Visible blooms:
Noctilucablooming in southern Hood Canal. Many places with
phytoplankton discoloration. A small red-brown bloom in Budd
Inlet.
Jellyfish and fish:
Small but numerous patches of jellyfish in Budd Inlet, some
patches in EldInlet and Sinclair Inlet.
Suspended sediment:
Nearshore in Port Madison, Whidbey Island, Port Susan ,
Swinomish Canal, Joe Leary Slough, Nooksack River delta,
Suciaand MatiaIslands, Hood Canal, Squaxin Island.
The spring bloom is developing, though not very pronounced, but Noctiluca is already visibly
present in Hood Canal. Suspended sediment frequently seen near rivers and creeks, failing
bluffs, and human activities. Oil sheen in Salmon Bay.
Start here
What were the conditions at the surface on 4-1-2021?
Restoration Point, Bainbridge I.; Geologically interesting
Wave-exposed Sunlight Beach, Whidbey Island
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData

11. South Sound: low clouds; north of
Tacoma: broken ceiling, sunny.
Flight Observations
Aerial navigation guide
Tide data from 4-1-2021 (Seattle):
Time Pred(ft)High/Low
02:02 AM 4.73 L
07:43 AM 11.71 H
02:33 PM -1.39 L
09:28 PM 11.07 H
Contribute observations
10
3
9
2
4
8
6
5
12
15
16
17
18
19
11
1
20
21
22
23
24
25
Map: Kris Symer . Data source: WDFW.
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
14
7
13

12. Connect aerial observation with data from ORCA moorings
North West Environmental Moorings real-time data Navigate
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
7
1
6
2
3
5
4
View products by mooring
Puget Sound
CarrInlet
DabobBay
Hoodsport
Hansville
Point Wells
Twanoh
Salish Sea
Bellingham Bay
7
1
6
2
3
5
4
NANOOSNVSData Explorer
Thayne Yazzie, NWIC,
Robert Daniels, UW/APL

13. A. C.
B.
A. Organic material patch. B and C. small but numerous patches of jellyfish on west (B) and east side of Inlet.
Location: Budd Inlet (South Sound), 11:57 AM
1 Aerial photography 4-1-2021 Navigate
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
jellyfish
boat
Gull Harbor
jellyfish
jellyfish
jellyfish
jellyfish
jellyfish
jellyfish
Debris
Big TykleCove

14. A. B.
Front with organic debris accumulations and big patch of organic material.
Location: Off Haley State Park, Case Inlet (South Sound), 12:25 PM
2 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Debris
Debris
Debris
Debris
Dutcher Cove Haley State Park
Herron I.

15. Suspended sediment nearshore.
Location:West Port Madison Nature Reserve, Port Madison (Central Sound), 12:47 PM
3 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
suspended sediment
suspended sediment
suspended sediment
West Port Madison Nature Reserve
Point
Monroe

16. Patches of jellyfish. Location: Sinclair Inlet (Central Sound), 12:35 PM
4 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
jellyfish
jellyfish
jellyfish
jellyfish
barge

17. Internal waves running northward (right) in Saratoga Passage. The interaction with the surface makes them visible.
Location: Near Anderson Cave (Whidbey Basin), 1:11 P M
5 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
internal waves
internal waves

18. A. B.
6 Navigate
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
A. Stillaguamish River plume with bloom of phytoplankton. B. Water with sediment and bloom flowing from Port
Susan into Possession Sound. Location : A. Saratoga Passage, B. Hat Island (Whidbey Basin), 1:02 PM
Aerial photography 4-1-2021
Bloom
Plume
Debris
Tulalip Bay

19. 7 NavigateAerial photography 4-1-2021
Remnants of the mudslide in January are still visible and leave a trail of sediment during the incoming tide.
Location: Whidbey Island (Central Sound), 12:58 PM
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
WHIDBEY ISLAND, Wash. -- A large mudslide took out part of a steep hill on the southeastern shore of
Whidbey Island on January 15, 2021. The slide was reported just north of the end of Possession Beach Walk
and just missed a row of homes perched on the shoreline.
Watch video(KOMONEWS) Watch video (King5News)
suspended sediment
mudslide
Whidbey Island
Possession

20. Sediment-rich water of the Stillaguamish River flowing both into A. & B. Port Susan and C. & D. Skagit Bay.
Location:Camano Island (Whidbey Basin), 1:16 PM
A.
C.
B.
D.
8 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
suspended sediment
suspended sediment
South
Pass
Stillaguamish River
Camano Island
Camano IslandSouth Pass
Stillaguamish River
Stillaguamish River

21. A. B.
A. Rain and flooded fields carry much sediment into local drainage channels that B. enter Swinomish Channel.
Location:La Conner (Swinomish Reservation), 1:23 PM
9 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Plume
Swinomish Village
La Conner

22. Dense gold- olive green-colored diatom mats form in the shallows of the southern reaches of Padilla Bay.
Location:Padilla Bay (North Sound), 1:26 PM
10 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
diatom mats
sediment

23. Eelgrass beds of Padilla Bay. A. Tidal gully carrying whitish material (likely not sediment). B. Joe Leary Slough with
sediment C. traveling past Hat Island. D. Patches devoid of eelgrass. Location:Padilla Bay (North Sound), 1:27 PM
Joe Leary Slough
A.
C.
B.
D.
11 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
sediment
sediment
sediment
sediment
Hat Island
GuemesIsland
patches

24. A. B.
Nooksack River plume with suspended sediment. A. From a distance. B. Close -up showing fine structure of sediment
entering the bay. Location :Bellingham Bay (North Sound), 1:36 PM
12 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Nooksack
River
Plume
Plume

25. A. Lummi Bay with Lummi River delta, B. diked aquatic enclosure, and C. marina. D. near-shore suspended sediment.
Location: A.-C. Lummi Bay, D. Cherry Point (North Sound), 1:39 PM
A.
C.
B.
D.
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
13 NavigateAerial photography 4-1-2021
Lummi River
sediment
Lummi River
sediment
dike
Lummi River
Lummi River
Sandy Point Marina
derelict conveyor
Cherry
Point

26. Birch Bay with A. suspended sediment forming over the shallows on low tide, B . front separating different water
masses, C. TerrelCreek discharging brown water. Location : Birch Bay (North Sound), 1:46 PM
A.
C.
B.
14 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
TerrelCreek
sediment
Plume
sediment
sediment
Front

27. Seagrass in SemiahmooBay and suspended sediment forming in Drayton Harbor on low tide.
Location: Birch Bay (North Sound), 1:49 PM
15 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
sediment
SemiahmooBay
Drayton Harbor

28. Blaine Harbor at low tide.
Location: Drayton Harbor (North Sound), 1:48 PM
16 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Blaine Harbor

29. Sediment shows circulation pattern of sediment-rich water through Echo Bay.
Location:SuciaIsland (San Juan Islands), 1:58 PM
17 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Echo Bay

30. Sediment shows circulation pattern of sediment-rich water mixing south of MatiaIsland.
Location:MatiaIsland (San Juan Islands), 1:58 PM
18 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
MatiaIsland

31. Beginning of a spring bloom in Westcott Bay.
Location: Westcott Bay, Roche Harbor (San Juan Island), 2:09 PM
19 NavigateAerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Westcott Bay
Bloom

32. A.View of San Juan Island and Lopez Island. B. View of False Bay and Haro Strait, San Juan Island.
Location: San Juan Island (San Juan Islands), 2:14 PM
A.
B.
Navigate20 Aerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Lopez Island
False Bay
San Juan Island
San Juan Island

33. Sediment-rich water with bloom showing current pattern and mixing.
Location: Northern Hood Canal (Hood Canal), 2:42 PM
Navigate21 Aerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Bloom
sediment
Kitsap Memorial
State Park

34. A. Suspended sediment east of Ballard bridge. B. Oil Sheen amongst boats of North West Dock.
Location: Salmon Bay, Seattle (Central Sound) 2:51 PM
A.
B.
Navigate22 Aerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
sheen
sheen
sediment
sheen

35. Populated bays do not show strong blooming activity. A. Rosendale, B. Horsehead Bay, C. Gig Harbor, D.
Quartermaster Harbor. Location: Southern Kitsap Peninsula and Vashon Island (South and Central Sound), 3:32 PM
A.
B.
C.
D.
Navigate23 Aerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Tacoma
Maury Island
Vashon Island
Raft Island
Fox
Island

36. Navigate
Suspended sediment nearshore, likely in association with human activity.
Location: Squaxin Island (South Sound), 3:42 PM
24 Aerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
sediment
Squaxin Island
Hope Island

37. Red-brown bloom and suspended sediment.
Location: Budd Inlet (South Sound), 3:48 PM
Navigate25 Aerial photography 4-1-2021
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Bloom
boat
sediment

38. People contribute their observations
A. Spawning herring, off CarkeekPark, Seattle. B. Nearshore Noctilucabloom and macroalgae , NE between Belfair
and Union.
A. B.
Navigate26
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
Bloom
spawning
Kenmore Air Pilot, 3/16/202
Tony Melchiors, 4/20/2021
macro-algae

39. Help us cover important events in Puget Sound
Help us to document important environmental events
and places on Puget Sounds waters and beaches.
A Community for Naturalists,
Eyes Over Puget Sound
Start reporting observations and
share them with with us.
Jellyfish Algal blooms Noctilucablooms Macro-algae
Click on the images above what you want to report
Navigate
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData
click click click click

40. Get your data
Do you think
they will click
the button?
Oh yes, I am
pretty sure
•39 stations sampled monthly
•16 physical, chemical,
biogeochemical parameters
•data from 1999-present
Long-term monitoring data from Puget Sound and Coastal Bays
Get your marine monitoring data from us
https://apps.ecology.wa.gov/ eim/search/SMP/MarineAmbientSearch.aspx?StudyMonitoringProgramUserId=MarineAmbient&StudyMonitoringProgramUserIdSearchType=Equals
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData

41. Contact:
Dr. Christopher Krembs
[email protected]
Marine Monitoring Unit
Environmental Assessment Program
Washington State
Department of Ecology
Subscribeto the Eyes Over
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Marina, and Kenmore Air.
Find past editions of EOPS on the next pages
We have published 92 editions!
Recommended Citation (example for September 2018 edition):
Washington State Department of Ecology.2018. Eyes Over Puget Sound: Surface Conditions
Report, September 17, 2018. Publication No. 18-03-075.Olympia, WA.
https://fortress.wa.gov/ecy/publications/documents/1803075.pdf.
Find all previous Eyes Over Puget Sound editions at the end of this document.
Summary Herring & planesClimate & streamsCombined factorsMarine waterAerial photosData

42. Access all EOPS reports in
Ecology’s biblio system
June_17_2021
Publication No. 21-03-074
April_1_2021
Publication No. 21-03-073
March_11_2021
Publication No. 21-03-072
February_3_2021
Publication No. 21-03-071

January_14_2021,
Publication No. 21-03-070
October_26_2020,
Publication No. 20-03-073
September_28_2020,
Publication No. 20-03-072
No coverage due to COVID-19
pandemic from April-September
March_16_2020,
Publication No. 20-03-071

Jan_10_2020,
Publication No. 20-03-070
October_30_2019,
Publication No. 19-03-076
September_12_2019,
Publication No. 19-03-075
July_29_2019
Publication No. 19-03-074
June_4_2019,
Publication No. 19-03-073

March_26_2019,
Publication No. 19-03-072
February_21_2019,
Publication No. 19-03-071
January_10_2019,
Publication No. 19-03-070
November_6_2018 ,
Publication No. 18-03-075
September_17_2018 ,
Publication No. 18-03-074

43. July_16_2018,
Publication No. 18-03-073
June_28_2018 ,
Publication No. 18-03-072
May_22_2018 ,
Publication No. 18-03-025
April_19_2018,
Publication No. 18-03-071
Winter_2018,
Publication No. 18-03-070

October_31_2017,
Publication No. 17-03-073
August_28_2017,
Publication No. 17-03-072
July_24_2017,
Publication No. 17-03-071
June_6_2017,
Publication No. 17-03-070
December_31_2016 ,
Publication No. 16-03-079

November_22_20 16,
Publication No. 16-03-078
September_26_2016,
Publication No. 16-03-077
August_24_2016,
Publication No. 16-03-076
July_20_2016,
Publication No. 16-03-075
June_27_2016,
Publication No. 16-03-074

May_2_2016,
Publication No. 16-03-073
April_6_2016,
Publication No. 16-03-072
March_16_2016,
Publication No. 16-03-071
February_8_2016,
Publication No. 16-03-070
December_30_2015,
Publication No. 15-03-080

44. December_14_2015,
Publication No. 15-03-079
October_6_2015,
Publication No. 15-03-078
September_21_2015,
Publication No. 15-03-077
August_8_2015,
Publication No. 15-03-076
July_6_2015,
Publication No. 15-03-075

June_8_2015,
Publication No. 15-03-074
April_29_2015,
Publication No. 15-03-073
March_24_2015,
Publication No. 15-03-072
February_17_2015,
Publication No. 15-03-071
January_28_2015,
Publication No. 15-03-070

December_30_2014,
Publication No. 14-03-080
November_17_2014,
Publication No. 14-03-079
October_29_2014,
Publication No. 14-03-078
September_16_2014,
Publication No. 14-03-077
August_18_2014,
Publication No. 14-03-076

July_28_2014,
Publication No. 14-03-075
June_23_2014,
Publication No. 14-03-074
May_12_2014,
Publication No. 14-03-073
April_21_2014,
Publication No. 14-03-072
March_24_2014,
Publication No. 14-03-071

45. February_4_2014,
Publication No. 14-03-070
December_31_2013,
Publication No. 13-03-081
November_21_2013,
Publication No. 13-03-080
October_28_2013,
Publication No. 13-03-079
September_11_2013,
Publication No. 13-03-078

August_21_2013,
Publication No. 13-03-077
July_15_2013,
Publication No. 13-03-076
June_17_2013 ,
Publication No. 13-03-075
May_20_2013,
Publication No. 13-03-074
April_8_2013,
Publication No. 13-03-073

Mar_25_2013,
Publication No. 13-03-072
February_26_2013,
Publication No. 13-03-071
January_15_2013,
Publication No. 13-03-070
December_13_2012,
Publication No. 12-03-081
November_8_2012,
Publication No. 12-03-080

October_8_2012,
Publication No. 12-03-079
September_11_2012,
Publication No. 12-03-078
August_27_2012,
Publication No. 12-03-077
July_31_2012,
Publication No. 12-03-076
June_12_2012,
Publication No. 12-03-075

46. May_14_2012,
Publication No. 12-03-074
April_23_2012,
Publication No. 12-03-073
March_19_2012,
Publication No. 12-03-072
February_27_2012,
Publication No. 12-03-071
January_30_2012,
Publication No. 12-03-070

December_5_2011,
Publication No. 11-03-082
November_15_2011,
Publication No. 11-03-081
October_17_2011,
Publication No. 11-03-080
September_12_2011,
Publication No. 11-03-079
August_8_2011,
Publication No. 11-03-078

July_6_2011,
Publication No. 11-03-077
June_20_2011,
Publication No. 11-03-076
June_6_2011,
Publication No. 11-03-075
May_4_2011,
Publication No. 11-03-074
April_27_2011,
Publication No. 11-03-073