Coastal Waters Forecast
Issued by NWS Seattle/Tacoma, WA

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FZUS56 KSEW 082150
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
250 PM PDT Fri Aug 8 2025

Inland waters of western Washington and the northern and central
Washington coastal waters including the Olympic Coast National
Marine Sanctuary

PZZ100-091100-
250 PM PDT Fri Aug 8 2025

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND
WATERS...Diurnal pushes down the Strait of Juan de Fuca will
result in increased winds again tonight. Meanwhile, strengthening
high pressure will remain in place over the region through early
next week, with a weak thermal trough building north Sunday and
Monday.

$$

PZZ150-091100-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
250 PM PDT Fri Aug 8 2025

.TONIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 9 seconds. Patchy dense fog late this evening and early
morning.
.SAT...NW wind around 5 kt, rising to 5 to 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 11 seconds.
.SAT NIGHT...NW wind 5 to 10 kt, becoming N after midnight. Seas
4 to 6 ft. Wave Detail: W 5 ft at 10 seconds and W 2 ft at
13 seconds.
.SUN...N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at
8 seconds and W 2 ft at 12 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 5 to 6 ft, building to 6 to
8 ft after midnight. Wave Detail: W 8 ft at 10 seconds and SW
2 ft at 18 seconds.
.MON...NW wind 5 to 10 kt. Seas 7 to 8 ft. Wave Detail: W 8 ft at
10 seconds and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: W
8 ft at 11 seconds and SW 2 ft at 17 seconds.
.TUE...NW wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: W 8 ft at
10 seconds and SW 2 ft at 17 seconds.
.TUE NIGHT...W wind 5 to 10 kt. Seas 7 to 8 ft. Wave Detail: W
7 ft at 10 seconds and SW 2 ft at 17 seconds.
.WED...SW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at
9 seconds and SW 2 ft at 16 seconds.
.WED NIGHT...SW wind around 5 kt. Seas 4 to 5 ft.

$$

PZZ153-091100-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
250 PM PDT Fri Aug 8 2025

.TONIGHT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft
at 9 seconds.
.SAT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at
11 seconds.
.SAT NIGHT...NW wind 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds and W
2 ft at 14 seconds.
.SUN...N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at
8 seconds and W 2 ft at 12 seconds.
.SUN NIGHT...NW wind 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 5 to 7 ft. Wave Detail: W 7 ft at 10 seconds and
SW 2 ft at 18 seconds.
.MON...NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at
10 seconds and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: W
8 ft at 11 seconds and SW 2 ft at 17 seconds.
.TUE...NW wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: W 8 ft at
10 seconds and SW 2 ft at 17 seconds.
.TUE NIGHT...NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W
7 ft at 10 seconds and SW 2 ft at 17 seconds.
.WED...SW wind around 5 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft
at 9 seconds and SW 2 ft at 16 seconds.
.WED NIGHT...W wind 5 to 10 kt, backing to S after midnight. Seas
4 to 5 ft.

$$

PZZ156-091100-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
250 PM PDT Fri Aug 8 2025

.TONIGHT...NW wind around 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 9 seconds.
.SAT...NW wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 11 seconds.
.SAT NIGHT...NW wind 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds and W
2 ft at 14 seconds.
.SUN...N wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at
11 seconds.
.SUN NIGHT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: W
7 ft at 10 seconds and SW 2 ft at 18 seconds.
.MON...NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at
10 seconds and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: W
8 ft at 10 seconds and SW 2 ft at 17 seconds.
.TUE...NW wind around 10 kt. Seas 7 to 8 ft. Wave Detail: W 8 ft
at 10 seconds and SW 2 ft at 17 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: W
7 ft at 10 seconds and SW 2 ft at 17 seconds.
.WED...W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at
9 seconds and SW 2 ft at 16 seconds.
.WED NIGHT...W wind 5 to 10 kt. Seas 4 to 5 ft.

$$

PZZ170-091100-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
250 PM PDT Fri Aug 8 2025

.TONIGHT...W wind 5 to 10 kt, becoming NW 10 to 15 kt after
midnight, easing to 5 to 10 kt late. Seas 3 to 5 ft. Wave Detail:
W 4 ft at 9 seconds and S 2 ft at 15 seconds.
.SAT...NW wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 11 seconds, S
2 ft at 14 seconds and W 2 ft at 14 seconds.
.SAT NIGHT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: W
7 ft at 10 seconds and W 2 ft at 14 seconds.
.SUN...N wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: W 7 ft at
8 seconds and W 2 ft at 12 seconds.
.SUN NIGHT...NW wind 15 to 20 kt. Seas 6 to 8 ft, building to
7 to 10 ft after midnight. Wave Detail: NW 10 ft at 10 seconds
and SW 2 ft at 18 seconds.
.MON...NW wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: W 10 ft
at 10 seconds and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 15 to 20 kt. Seas 9 to 12 ft. Wave Detail: W
11 ft at 10 seconds and SW 2 ft at 17 seconds.
.TUE...NW wind 15 to 20 kt. Seas 9 to 12 ft. Wave Detail: W 11 ft
at 10 seconds and SW 3 ft at 17 seconds.
.TUE NIGHT...NW wind 15 to 20 kt. Seas 8 to 10 ft. Wave Detail:
NW 9 ft at 10 seconds and SW 3 ft at 17 seconds.
.WED...W wind 10 to 15 kt. Seas 7 to 8 ft, subsiding to 5 to 7 ft
in the afternoon. Wave Detail: NW 7 ft at 9 seconds and SW 3 ft
at 16 seconds.
.WED NIGHT...W wind 5 to 10 kt. Seas 5 to 6 ft.

$$

PZZ173-091100-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
250 PM PDT Fri Aug 8 2025

.TONIGHT...W wind 5 to 10 kt, becoming NW 10 to 15 kt late this
evening and early morning, easing to 5 to 10 kt late. Seas 3 to
5 ft. Wave Detail: W 4 ft at 9 seconds and S 2 ft at 15 seconds.
.SAT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft
at 11 seconds, S 2 ft at 14 seconds and W 2 ft at 14 seconds.
.SAT NIGHT...NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW
7 ft at 10 seconds and W 2 ft at 14 seconds.
.SUN...N wind 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and
W 2 ft at 12 seconds.
.SUN NIGHT...NW wind 15 to 20 kt. Seas 6 to 8 ft, building to
8 to 11 ft after midnight. Wave Detail: NW 10 ft at 10 seconds
and SW 2 ft at 18 seconds.
.MON...NW wind 15 to 20 kt. Seas 9 to 11 ft. Wave Detail: NW
10 ft at 10 seconds and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 15 to 20 kt, rising to 20 to 25 kt after
midnight. Seas 9 to 12 ft. Wave Detail: NW 11 ft at 10 seconds
and SW 2 ft at 17 seconds.
.TUE...NW wind 15 to 20 kt. Seas 9 to 12 ft. Wave Detail: NW
11 ft at 10 seconds and SW 3 ft at 17 seconds.
.TUE NIGHT...NW wind 15 to 20 kt. Seas 8 to 10 ft. Wave Detail:
NW 10 ft at 10 seconds and SW 3 ft at 16 seconds.
.WED...NW wind 15 to 20 kt, becoming W 10 to 15 kt in the
afternoon. Seas 7 to 9 ft, subsiding to 6 to 7 ft in the
afternoon. Wave Detail: NW 8 ft at 9 seconds and SW 3 ft at
16 seconds.
.WED NIGHT...W wind 10 to 15 kt. Seas 5 to 6 ft.

$$

PZZ176-091100-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
250 PM PDT Fri Aug 8 2025

.TONIGHT...NW wind 5 to 10 kt, rising to 10 to 15 kt late this
evening and overnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at
9 seconds and S 2 ft at 15 seconds.
.SAT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 11 seconds, S 2 ft at 14 seconds and W 2 ft at 15 seconds.
.SAT NIGHT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW
6 ft at 10 seconds and W 2 ft at 14 seconds.
.SUN...N wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft
at 8 seconds and W 2 ft at 12 seconds.
.SUN NIGHT...N wind 15 to 20 kt. Seas 6 to 8 ft, building to 7 to
10 ft after midnight. Wave Detail: NW 10 ft at 10 seconds and SW
2 ft at 18 seconds.
.MON...NW wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Seas 8 to 10 ft. Wave Detail: NW 10 ft at 10 seconds
and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 15 to 20 kt. Seas 9 to 11 ft. Wave Detail:
NW 10 ft at 10 seconds and SW 2 ft at 17 seconds.
.TUE...NW wind 15 to 20 kt. Seas 9 to 11 ft. Wave Detail: NW
10 ft at 10 seconds and SW 3 ft at 17 seconds.
.TUE NIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 8 to 10 ft. Wave Detail: NW 9 ft at 10 seconds and
SW 3 ft at 17 seconds.
.WED...NW wind 10 to 15 kt. Seas 7 to 9 ft, subsiding to 6 to
7 ft in the afternoon. Wave Detail: NW 8 ft at 9 seconds and SW
3 ft at 16 seconds.
.WED NIGHT...W wind around 10 kt. Seas 5 to 6 ft.

$$

PZZ130-091100-
West Entrance U.S. Waters Strait Of Juan De Fuca-
250 PM PDT Fri Aug 8 2025

.TONIGHT...W wind 10 to 15 kt, easing to around 5 kt. Seas around
3 ft. Wave Detail: W 3 ft at 6 seconds.
.SAT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
11 seconds.
.SAT NIGHT...W wind 5 to 10 kt, veering to N after midnight. Seas
3 to 4 ft. Wave Detail: W 4 ft at 10 seconds.
.SUN...NE wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft
at 8 seconds.
.SUN NIGHT...NW wind around 5 kt. Seas 3 to 5 ft. Wave Detail: W
5 ft at 10 seconds.
.MON...E wind around 5 kt, backing to N in the afternoon. Seas
4 to 6 ft. Wave Detail: W 6 ft at 10 seconds.
.MON NIGHT...W wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W
6 ft at 11 seconds.
.TUE...SW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at
10 seconds.
.TUE NIGHT...SW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W
5 ft at 10 seconds.
.WED...SW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at
9 seconds.
.WED NIGHT...SW wind 5 to 10 kt. Seas around 4 ft.

$$

PZZ131-091100-
Central U.S. Waters Strait Of Juan De Fuca-
250 PM PDT Fri Aug 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM PDT SATURDAY...

.TONIGHT...W wind 15 to 20 kt with frequent gusts to 25 kt,
easing to 5 to 10 kt. Waves 3 to 4 ft.
.SAT...W wind 5 to 10 kt. Waves around 2 ft or less.
.SAT NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.SUN...NE wind 5 to 10 kt. Waves around 2 ft or less.
.SUN NIGHT...W wind 5 to 10 kt, backing to SW after midnight.
Waves around 2 ft or less.
.MON...E wind 5 to 10 kt. Waves around 3 ft.
.MON NIGHT...W wind 5 to 10 kt. Waves around 3 ft.
.TUE...SE wind 5 to 10 kt, backing to E in the afternoon. Waves
around 3 ft.
.TUE NIGHT...W wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Waves 3 to 4 ft.
.WED...W wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Waves around 3 ft in the morning, then around 2 ft or less.
.WED NIGHT...W wind 10 to 15 kt. Waves around 2 ft or less.

$$

PZZ132-091100-
East Entrance U.S. Waters Strait Of Juan De Fuca-
250 PM PDT Fri Aug 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM PDT SATURDAY...

.TONIGHT...W wind 15 to 20 kt with frequent gusts to 25 kt,
easing to 5 to 10 kt late. Waves 3 to 4 ft.
.SAT...W wind around 5 kt. Waves around 2 ft or less.
.SAT NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.SUN...NW wind 5 to 10 kt. Waves around 2 ft or less.
.SUN NIGHT...W wind 5 to 10 kt, backing to SW after midnight.
Waves around 2 ft or less.
.MON...NE wind 5 to 10 kt, backing to NW in the afternoon. Waves
around 2 ft or less.
.MON NIGHT...W wind 5 to 10 kt, backing to SW after midnight.
Waves around 2 ft or less.
.TUE...SE wind 5 to 10 kt, backing to N in the afternoon. Waves
around 2 ft or less.
.TUE NIGHT...W wind 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Waves around 2 ft or less, then around 3 ft after
midnight.
.WED...S wind 5 to 10 kt. Waves around 2 ft or less.
.WED NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.

$$

PZZ134-091100-
Admiralty Inlet-
250 PM PDT Fri Aug 8 2025

.TONIGHT...NW wind 10 to 15 kt, easing to around 5 kt. Waves
around 2 ft or less.
.SAT...NW wind around 5 kt, rising to 5 to 10 kt in the
afternoon. Waves around 2 ft or less.
.SAT NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.SUN...NW wind around 5 kt, rising to around 10 kt in the
afternoon. Waves around 2 ft or less.
.SUN NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.MON...N wind around 5 kt, becoming NW in the afternoon. Waves
around 2 ft or less.
.MON NIGHT...NW wind 5 to 10 kt, becoming W after midnight. Waves
around 2 ft or less.
.TUE...S wind around 5 kt, backing to N in the afternoon. Waves
around 2 ft or less.
.TUE NIGHT...NW wind 5 to 10 kt, backing to SW after midnight.
Waves around 2 ft or less.
.WED...S wind 5 to 10 kt. Waves around 2 ft or less.
.WED NIGHT...NW wind 5 to 10 kt, backing to SW after midnight.
Waves around 2 ft or less.

$$

PZZ133-091100-
Northern Inland Waters Including The San Juan Islands-
250 PM PDT Fri Aug 8 2025

.TONIGHT...S wind 5 to 10 kt, easing to around 5 kt late. Waves
around 2 ft or less.
.SAT...SW wind around 5 kt, veering to W in the afternoon. Waves
around 2 ft or less.
.SAT NIGHT...W wind around 5 kt, veering to NE after midnight.
Waves around 2 ft or less.
.SUN...NW wind around 5 kt, rising to 5 to 10 kt in the
afternoon. Waves around 2 ft or less.
.SUN NIGHT...W wind 5 to 10 kt, becoming NW after midnight. Waves
around 2 ft or less.
.MON...NW wind 5 to 10 kt. Waves around 2 ft or less.
.MON NIGHT...W wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
.TUE...W wind 5 to 10 kt. Waves around 2 ft or less.
.TUE NIGHT...SW wind 5 to 10 kt. Waves around 2 ft or less.
.WED...S wind 5 to 10 kt. Waves around 2 ft or less.
.WED NIGHT...SW wind 5 to 10 kt. Waves around 2 ft or less.

$$

PZZ135-091100-
Puget Sound and Hood Canal-
250 PM PDT Fri Aug 8 2025

.TONIGHT...NE wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
.SAT...N wind around 5 kt. Waves around 2 ft or less.
.SAT NIGHT...N wind 5 to 10 kt. Waves around 2 ft or less.
.SUN...N wind 5 to 10 kt. Waves around 2 ft or less.
.SUN NIGHT...N wind 5 to 10 kt. Waves around 2 ft or less.
.MON...N wind 5 to 10 kt. Waves around 2 ft or less.
.MON NIGHT...N wind 5 to 10 kt, backing to W after midnight.
Waves around 2 ft or less.
.TUE...SW wind 5 to 10 kt. Waves around 2 ft or less.
.TUE NIGHT...W wind 5 to 10 kt, backing to SW after midnight.
Waves around 2 ft or less.
.WED...S wind 5 to 10 kt. Waves around 2 ft or less.
.WED NIGHT...SW wind 5 to 10 kt, backing to S after midnight.
Waves around 2 ft or less.

$$

PZZ110-091100-
Grays Harbor Bar-
250 PM PDT Fri Aug 8 2025

Combined seas 2 to 4 feet. Bar conditions light. Maximum ebb
currents will occur around 500 PM Friday, 515 AM Saturday, and 545
PM Saturday. The morning ebb will be strong.

$$