476
FZUS56 KSEW 182122
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
222 PM PDT Mon Aug 18 2025

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

PZZ100-191030-
222 PM PDT Mon Aug 18 2025

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND
WATERS...A weather system will weaken over the Coastal Waters
tonight into Tuesday. Weak high pressure will then build over the
waters late Tuesday and strengthen Tuesday night into Wednesday.
High pressure will then remain over the waters through Friday.

$$

PZZ150-191030-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
222 PM PDT Mon Aug 18 2025

.TONIGHT...SE wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S
3 ft at 5 seconds and W 4 ft at 9 seconds. A chance of rain early
this evening, then a slight chance of rain late this evening and
early morning. A chance of rain late.
.TUE...S wind around 10 kt, veering to SW in the afternoon. Seas
around 4 ft. Wave Detail: SW 3 ft at 5 seconds and W 3 ft at
9 seconds. A chance of rain.
.TUE NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 9 seconds.
.WED...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft
at 8 seconds.
.WED NIGHT...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail:
NW 2 ft at 4 seconds, W 3 ft at 8 seconds and SW 2 ft at
15 seconds.
.THU...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft
at 6 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W
3 ft at 6 seconds and SW 2 ft at 15 seconds.
.FRI...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at
6 seconds.
.FRI NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
2 ft at 5 seconds and W 4 ft at 8 seconds.
.SAT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft
at 7 seconds.
.SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 6 seconds.

$$

PZZ153-191030-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
222 PM PDT Mon Aug 18 2025

.TONIGHT...SE wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S
2 ft at 5 seconds and W 4 ft at 9 seconds. A slight chance of
rain.
.TUE...SE wind 5 to 10 kt, veering to SW in the afternoon. Seas
3 to 4 ft. Wave Detail: SW 2 ft at 5 seconds and W 4 ft at
9 seconds.
.TUE NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 9 seconds.
.WED...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft
at 8 seconds.
.WED NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 5 seconds and W 3 ft at 8 seconds.
.THU...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 3 ft
at 6 seconds.
.THU NIGHT...NW wind around 10 kt. Seas 3 to 4 ft. Wave Detail:
NW 3 ft at 5 seconds and W 2 ft at 9 seconds.
.FRI...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 3 ft
at 6 seconds.
.FRI NIGHT...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 7 seconds.
.SAT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft
at 7 seconds.
.SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
2 ft at 7 seconds and W 3 ft at 8 seconds.

$$

PZZ156-191030-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
222 PM PDT Mon Aug 18 2025

.TONIGHT...S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft
at 9 seconds.
.TUE...S wind 5 to 10 kt, veering to SW in the afternoon. Seas
3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.
.TUE NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 9 seconds.
.WED...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft
at 8 seconds.
.WED NIGHT...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 5 seconds and W 3 ft at 8 seconds.
.THU...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at
5 seconds and NW 3 ft at 8 seconds.
.THU NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 5 seconds and W 2 ft at 10 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 and
W 2 ft at 9 seconds.
.FRI NIGHT...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 7 seconds.
.SAT...NW wind around 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft
at 7 seconds.
.SAT NIGHT...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 7 seconds and W 3 ft at 8 seconds.

$$

PZZ170-191030-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
222 PM PDT Mon Aug 18 2025

.TONIGHT...S wind 10 to 15 kt. Seas around 5 ft. Wave Detail: S
3 ft at 5 seconds, W 5 ft at 9 seconds and S 2 ft at 15 seconds.
A chance of rain.
.TUE...S wind 5 to 10 kt, veering to W in the afternoon. Seas
4 to 5 ft. Wave Detail: S 3 ft at 5 seconds, W 4 ft at 9 seconds
and S 2 ft at 15 seconds. A chance of rain in the morning.
.TUE NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 9 seconds and SW 2 ft at 15 seconds.
.WED...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
8 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 4 seconds, W 3 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft
at 5 seconds, W 3 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 5 seconds, W 2 ft at 8 seconds and SW 2 ft at 15 seconds.
.FRI...NW wind 10 to 15 kt. Seas around 4 ft. Wave Detail: NW
4 ft at 7 seconds and SW 2 ft at 15 seconds.
.FRI NIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 5 seconds, W 4 ft at 8 seconds and SW 2 ft at 14 seconds.
.SAT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 3 ft
at 7 seconds, W 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
4 ft at 7 seconds and SW 2 ft at 15 seconds.

$$

PZZ173-191030-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
222 PM PDT Mon Aug 18 2025

.TONIGHT...S wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: S
3 ft at 5 seconds, W 5 ft at 9 seconds and S 2 ft at 15 seconds.
A chance of rain early this evening, then a slight chance of rain
late this evening and early morning. A chance of rain late.
.TUE...S wind around 10 kt, veering to NW in the afternoon. Seas
4 to 5 ft. Wave Detail: S 3 ft at 5 seconds, W 4 ft at 9 seconds
and S 2 ft at 15 seconds. A chance of rain in the morning.
.TUE NIGHT...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: W
4 ft at 9 seconds and SW 2 ft at 15 seconds.
.WED...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 4 seconds, NW 3 ft at 8 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...NW wind around 10 kt. Seas around 4 ft. Wave Detail:
NW 3 ft at 4 seconds, NW 3 ft at 8 seconds and SW 2 ft at
15 seconds.
.THU...N wind around 10 kt. Seas around 4 ft. Wave Detail: NW
3 ft at 5 seconds, W 2 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...NW wind around 15 kt. Seas around 4 ft. Wave Detail:
NW 4 ft at 5 seconds, W 2 ft at 9 seconds and SW 2 ft at
15 seconds.
.FRI...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft
at 6 seconds, W 2 ft at 9 seconds and SW 2 ft at 15 seconds.
.FRI NIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 7 seconds and SW 2 ft at 14 seconds.
.SAT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft
at 7 seconds, W 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
4 ft at 7 seconds and SW 2 ft at 15 seconds.

$$

PZZ176-191030-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
222 PM PDT Mon Aug 18 2025

.TONIGHT...S wind around 10 kt. Seas around 5 ft. Wave Detail: S
3 ft at 5 seconds, W 5 ft at 9 seconds and S 2 ft at 15 seconds.
A slight chance of rain.
.TUE...S wind around 10 kt, veering to NW in the afternoon. Seas
4 to 5 ft. Wave Detail: S 2 ft at 5 seconds, W 4 ft at 9 seconds
and SW 2 ft at 15 seconds.
.TUE NIGHT...N wind 5 to 10 kt. Seas around 4 ft. Wave Detail: W
4 ft at 9 seconds and SW 2 ft at 15 seconds.
.WED...N wind around 10 kt. Seas around 4 ft. Wave Detail: NW
3 ft at 8 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail:
NW 3 ft at 4 seconds, W 3 ft at 8 seconds and SW 2 ft at
15 seconds.
.THU...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail: NW 3 ft
at 5 seconds, W 2 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...N wind around 15 kt. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 5 seconds, W 2 ft at 10 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, W 2 ft at 9 seconds and SW 2 ft at 15 seconds.
.FRI NIGHT...NW wind around 15 kt. Seas 4 to 5 ft. Wave Detail:
NW 4 ft at 7 seconds and SW 2 ft at 14 seconds.
.SAT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft
at 7 seconds and SW 2 ft at 14 seconds.
.SAT NIGHT...NW wind around 15 kt. Seas 4 to 5 ft. Wave Detail:
NW 4 ft at 7 seconds and SW 2 ft at 15 seconds.

$$

PZZ130-191030-
West Entrance U.S. Waters Strait Of Juan De Fuca-
222 PM PDT Mon Aug 18 2025

.TONIGHT...S wind 5 to 10 kt, backing to E late this evening and
overnight. Seas around 3 ft. Wave Detail: W 3 ft at 9 seconds. A
chance of rain early this evening, then a slight chance of rain
late this evening and early morning. A chance of rain late.
.TUE...SE wind 5 to 10 kt, veering to W in the afternoon. Seas
around 3 ft. Wave Detail: W 3 ft at 9 seconds. A chance of rain.
.TUE NIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W
2 ft at 9 seconds.
.WED...W wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Seas around 2 ft or less. Wave Detail: W 2 ft at 8 seconds.
.WED NIGHT...W wind 5 to 10 kt, easing to around 5 kt after
midnight. Seas around 3 ft. Wave Detail: W 2 ft at 8 seconds.
.THU...NE wind around 5 kt. Seas around 2 ft or less. Wave
Detail: W 2 ft at 7 seconds.
.THU NIGHT...NW wind around 5 kt. Seas around 2 ft or less. Wave
Detail: W 2 ft at 7 seconds.
.FRI...NE wind around 5 kt. Seas around 2 ft or less, then around
3 ft in the afternoon. Wave Detail: W 2 ft at 8 seconds.
.FRI NIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W
3 ft at 8 seconds.
.SAT...W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft
at 8 seconds.
.SAT NIGHT...W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W
3 ft at 7 seconds.

$$

PZZ131-191030-
Central U.S. Waters Strait Of Juan De Fuca-
222 PM PDT Mon Aug 18 2025

.TONIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. A slight
chance of rain early this evening. A slight chance of rain late.
.TUE...SE wind around 5 kt, veering to W in the afternoon. Waves
around 2 ft or less.
.TUE NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.WED...W 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.
.THU...W wind around 5 kt, veering to NE in the afternoon. Waves
around 2 ft or less.
.THU NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.FRI...SE wind 5 to 10 kt, backing to NE in the afternoon. Waves
around 2 ft or less.
.FRI NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.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.

$$

PZZ132-191030-
East Entrance U.S. Waters Strait Of Juan De Fuca-
222 PM PDT Mon Aug 18 2025

.TONIGHT...W wind around 5 kt, backing to S late. Waves around
2 ft or less.
.TUE...SE wind around 5 kt, veering to W in the afternoon. Waves
around 2 ft or less.
.TUE NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.WED...W 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.
.THU...NW wind 5 to 10 kt. Waves around 2 ft or less.
.THU NIGHT...W 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...W wind 5 to 10 kt. Waves around 2 ft or less.
.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.

$$

PZZ134-191030-
Admiralty Inlet-
222 PM PDT Mon Aug 18 2025

.TONIGHT...NW wind around 5 kt, backing to S around 5 kt after
midnight. Waves around 2 ft or less.
.TUE...SE wind around 5 kt, veering to NW around 5 kt in the
afternoon. Waves around 2 ft or less.
.TUE NIGHT...NW wind around 5 kt. Waves around 2 ft or less.
.WED...W wind around 5 kt, veering to NW in the afternoon. Waves
around 2 ft or less.
.WED NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.THU...NW wind 5 to 10 kt. Waves around 2 ft or less.
.THU NIGHT...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...W wind around 5 kt, veering to NW in the afternoon. Waves
around 2 ft or less.
.SAT NIGHT...NW wind 5 to 10 kt, becoming W after midnight. Waves
around 2 ft or less.

$$

PZZ133-191030-
Northern Inland Waters Including The San Juan Islands-
222 PM PDT Mon Aug 18 2025

.TONIGHT...SW wind around 5 kt, backing to S late. Waves around
2 ft or less.
.TUE...S wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...SW wind around 5 kt. Waves around 2 ft or less.
.WED...W wind around 5 kt. Waves around 2 ft or less.
.WED NIGHT...W wind around 5 kt, veering to N after midnight.
Waves around 2 ft or less.
.THU...NW wind around 5 kt. Waves around 2 ft or less.
.THU NIGHT...NW wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
.FRI...NW wind around 5 kt. Waves around 2 ft or less.
.FRI NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.SAT...W wind around 5 kt. Waves around 2 ft or less.
.SAT NIGHT...SW wind around 5 kt. Waves around 2 ft or less.

$$

PZZ135-191030-
Puget Sound and Hood Canal-
222 PM PDT Mon Aug 18 2025

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

$$

PZZ110-191030-
Grays Harbor Bar-
222 PM PDT Mon Aug 18 2025

Combined seas 2 to 4 ft. Bar conditions light. Maximum ebb
currents will occur around 145 AM and 230 PM Tuesday, and 245 AM
Wednesday. The Wednesday morning ebb will be strong.

$$