391
FZUS56 KSEW 212152
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
252 PM PDT Thu Aug 21 2025

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

PZZ100-221100-
252 PM PDT Thu Aug 21 2025

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND
WATERS...Surface ridging in place over the coastal and offshore
waters will gradually weaken toward the weekend as thermally induced
low pressure expands northward along the coast. The thermal
trough will shift inland early next week with light onshore flow
resuming.

$$

PZZ150-221100-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
252 PM PDT Thu Aug 21 2025

.TONIGHT...NW wind 10 to 15 kt, becoming N 5 to 10 kt late this
evening and overnight. Seas 3 to 4 ft. Wave Detail: NW 3 ft at
6 seconds and SW 2 ft at 15 seconds.
.FRI...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft
at 6 seconds.
.FRI NIGHT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 8 seconds.
.SAT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
8 seconds.
.SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 7 seconds.
.SUN...N wind around 5 kt, backing to W in the afternoon. Seas
around 4 ft. Wave Detail: W 4 ft at 8 seconds.
.SUN NIGHT...W wind around 5 kt. Seas around 4 ft. Wave Detail: W
4 ft at 7 seconds.
.MON...S wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at
7 seconds and SW 2 ft at 15 seconds.
.MON NIGHT...NW wind around 5 kt. Seas around 4 ft. Wave Detail:
W 4 ft at 7 seconds and SW 2 ft at 15 seconds.
.TUE...SW wind around 5 kt. Seas around 4 ft. Wave Detail: W 4 ft
at 7 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 7 seconds and SW 2 ft at 15 seconds.

$$

PZZ153-221100-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
252 PM PDT Thu Aug 21 2025

.TONIGHT...N wind 10 to 15 kt, easing to 5 to 10 kt late. Seas
3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds.
.FRI...N wind around 5 kt, backing to NW in the afternoon. Seas
3 to 4 ft. Wave Detail: NW 3 ft at 6 seconds.
.FRI NIGHT...NW wind 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds.
.SAT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
7 seconds.
.SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 7 seconds.
.SUN...NW wind around 5 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft
at 8 seconds.
.SUN NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 7 seconds.
.MON...SW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft
at 7 seconds.
.MON NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 7 seconds.
.TUE...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft
at 7 seconds.
.TUE NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 7 seconds.

$$

PZZ156-221100-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
252 PM PDT Thu Aug 21 2025

.TONIGHT...N wind 10 to 15 kt, easing to 5 to 10 kt late. Seas
3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds.
.FRI...N wind 5 to 10 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 6 seconds.
.FRI NIGHT...NW wind 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds.
.SAT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at
7 seconds.
.SAT NIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds.
.SUN...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at
8 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 7 seconds.
.MON...W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at
7 seconds.
.MON NIGHT...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 7 seconds.
.TUE...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft
at 7 seconds.
.TUE NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 7 seconds.

$$

PZZ170-221100-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
252 PM PDT Thu Aug 21 2025

.TONIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 5 seconds and SW 2 ft at 15 seconds.
.FRI...N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds and SW 2 ft at
15 seconds.
.FRI NIGHT...NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 7 seconds and SW 2 ft at 14 seconds.
.SAT...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft
at 8 seconds and SW 2 ft at 14 seconds.
.SAT NIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 15 seconds.
.SUN...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft
at 8 seconds and SW 2 ft at 15 seconds.
.SUN NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: W
5 ft at 7 seconds and SW 2 ft at 15 seconds.
.MON...NW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and
SW 2 ft at 15 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 15 seconds.
.TUE...NW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and
SW 2 ft at 15 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 16 seconds.

$$

PZZ173-221100-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
252 PM PDT Thu Aug 21 2025

.TONIGHT...NW wind 15 to 20 kt, becoming N 10 to 15 kt late. Seas
4 to 5 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at
15 seconds.
.FRI...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft
at 6 seconds and SW 2 ft at 15 seconds.
.FRI NIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 6 seconds and SW 2 ft at 14 seconds.
.SAT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 7 seconds and SW 2 ft at 14 seconds.
.SAT NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 15 seconds.
.SUN...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 8 seconds and SW 2 ft at 15 seconds.
.SUN NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
6 ft at 7 seconds and SW 2 ft at 15 seconds.
.MON...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 7 seconds and SW 2 ft at 15 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
6 ft at 7 seconds and SW 2 ft at 15 seconds.
.TUE...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 7 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 16 seconds.

$$

PZZ176-221100-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
252 PM PDT Thu Aug 21 2025

.TONIGHT...N wind 15 to 20 kt, easing to 10 to 15 kt late. Seas
4 to 5 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at
15 seconds.
.FRI...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 6 seconds and SW 2 ft at 15 seconds.
.FRI NIGHT...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 6 seconds and SW 2 ft at 14 seconds.
.SAT...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 7 seconds and SW 2 ft at 14 seconds.
.SAT NIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 15 seconds.
.SUN...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft
at 8 seconds and SW 2 ft at 15 seconds.
.SUN NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 15 seconds.
.MON...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft
at 8 seconds and SW 2 ft at 15 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
6 ft at 7 seconds and SW 2 ft at 15 seconds.
.TUE...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft
at 7 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 17 seconds.

$$

PZZ130-221100-
West Entrance U.S. Waters Strait Of Juan De Fuca-
252 PM PDT Thu Aug 21 2025

.TONIGHT...W wind 5 to 10 kt, backing to S after midnight,
backing to E late. Seas around 3 ft. Wave Detail: W 2 ft at
6 seconds.
.FRI...E wind 5 to 10 kt, backing to NE in the afternoon. Seas
around 3 ft. Wave Detail: W 2 ft at 6 seconds.
.FRI NIGHT...N wind around 5 kt. Seas around 2 ft or less, then
around 3 ft after midnight. Wave Detail: W 2 ft at 8 seconds.
.SAT...NE wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft
at 7 seconds.
.SAT NIGHT...NW wind around 5 kt. Seas around 3 ft. Wave Detail:
W 3 ft at 7 seconds.
.SUN...NE wind around 5 kt, backing to W around 5 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 seconds.
.SUN NIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W
3 ft at 7 seconds.
.MON...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
7 seconds.
.MON NIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W
3 ft at 7 seconds.
.TUE...W wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft
at 7 seconds.
.TUE NIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W
3 ft at 7 seconds.

$$

PZZ131-221100-
Central U.S. Waters Strait Of Juan De Fuca-
252 PM PDT Thu Aug 21 2025

.TONIGHT...W wind around 10 kt, backing to S late. Waves around
2 ft or less.
.FRI...E wind 5 to 10 kt. Waves around 2 ft or less.
.FRI NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.SAT...E wind 5 to 10 kt. Waves around 2 ft or less.
.SAT NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.SUN...E wind 5 to 10 kt. Waves around 2 ft or less.
.SUN NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.MON...W wind 5 to 10 kt, veering to NW in the afternoon. Waves
around 2 ft or less.
.MON NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.TUE...NW wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.

$$

PZZ132-221100-
East Entrance U.S. Waters Strait Of Juan De Fuca-
252 PM PDT Thu Aug 21 2025

.TONIGHT...W wind 5 to 10 kt, rising to 10 to 15 kt late. Waves
around 2 ft or less.
.FRI...NW wind 5 to 10 kt. Waves around 2 ft or less.
.FRI NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.SAT...NW 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...NW wind 5 to 10 kt. Waves around 2 ft or less.
.SUN NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.MON...W wind around 5 kt. Waves around 2 ft or less.
.MON NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.TUE...W wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...W wind around 5 kt. Waves around 2 ft or less.

$$

PZZ134-221100-
Admiralty Inlet-
252 PM PDT Thu Aug 21 2025

.TONIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.FRI...NW wind 5 to 10 kt. Waves around 2 ft or less.
.FRI NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.SAT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.SAT NIGHT...NW 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...NW wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
.MON...W wind around 5 kt, veering to 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...W wind around 5 kt, veering to NW in the afternoon. Waves
around 2 ft or less.
.TUE NIGHT...NW wind 5 to 10 kt, becoming W after midnight. Waves
around 2 ft or less.

$$

PZZ133-221100-
Northern Inland Waters Including The San Juan Islands-
252 PM PDT Thu Aug 21 2025

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

$$

PZZ135-221100-
Puget Sound and Hood Canal-
252 PM PDT Thu Aug 21 2025

.TONIGHT...N wind 10 to 15 kt, easing to 5 to 10 kt late this
evening and overnight. Waves around 2 ft or less.
.FRI...N wind 5 to 10 kt. Waves around 2 ft or less.
.FRI NIGHT...N wind 5 to 10 kt. Waves around 2 ft or less.
.SAT...N wind 5 to 10 kt. Waves around 2 ft or less.
.SAT NIGHT...N wind 5 to 10 kt. Waves around 2 ft or less.
.SUN...N wind around 5 kt. Waves around 2 ft or less.
.SUN NIGHT...NW wind around 5 kt. Waves around 2 ft or less.
.MON...W wind around 5 kt, veering to NW around 5 kt in the
afternoon. Waves around 2 ft or less.
.MON NIGHT...NW wind around 5 kt. Waves around 2 ft or less.
.TUE...NW wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...NW wind around 5 kt. Waves around 2 ft or less.

$$

PZZ110-221100-
Grays Harbor Bar-
252 PM PDT Thu Aug 21 2025

Combined seas 3 to 4 ft. Bar conditions light. Maximum ebb
currents will occur around 415 PM Thursday, 430 AM Friday, and 500
PM Friday. The morning ebb on Friday will be strong.

$$