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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 032145
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
245 PM PDT Thu Sep 3 2026

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

PZZ100-041045
245 PM PDT Thu Sep 3 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...Broad low pressure will remain over the area into Saturday, followed by weak high pressure returning for the first half of next week.

PZZ150-041045
Coastal Waters From Cape Flattery To James Island Out 10 Nm
245 PM PDT Thu Sep 3 2026

TONIGHT
N wind around 5 kt, veering to NE late. Seas 5 to 7 ft. Wave Detail: S 3 ft at 7 seconds and W 6 ft at 10 seconds.

FRI
SE wind around 5 kt, veering to W in the afternoon. Seas 4 to 5 ft. Wave Detail: S 2 ft at 7 seconds, W 4 ft at 9 seconds and SW 2 ft at 17 seconds.

FRI NIGHT
NW wind around 5 kt. Seas around 4 ft. Wave Detail: S 2 ft at 6 seconds, W 4 ft at 9 seconds and SW 2 ft at 18 seconds.

SAT
N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds and SW 2 ft at 18 seconds.

SAT NIGHT
N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds and SW 2 ft at 17 seconds.

SUN
N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft at 4 seconds, W 3 ft at 10 seconds and S 2 ft at 13 seconds.

SUN NIGHT
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 3 ft at 5 seconds, W 3 ft at 10 seconds and SW 2 ft at 15 seconds.

MON
W wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 3 ft at 5 seconds, W 3 ft at 10 seconds and SW 2 ft at 15 seconds.

MON NIGHT
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds, W 3 ft at 11 seconds and SW 2 ft at 14 seconds.

TUE
NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 3 ft at 5 seconds, W 2 ft at 10 seconds and SW 2 ft at 14 seconds.

TUE NIGHT
NW wind around 5 kt. Seas around 4 ft. Wave Detail: W 4 ft at 6 seconds, W 3 ft at 10 seconds and SW 2 ft at 14 seconds.

PZZ153-041045
Coastal Waters From James Island To Point Grenville Out 10 Nm
245 PM PDT Thu Sep 3 2026

TONIGHT
N wind around 5 kt. Seas 5 to 7 ft. Wave Detail: S 3 ft at 7 seconds and W 6 ft at 10 seconds.

FRI
SE wind around 5 kt, veering to SW in the afternoon. Seas 4 to 5 ft. Wave Detail: SW 2 ft at 7 seconds, W 4 ft at 9 seconds and SW 2 ft at 18 seconds.

FRI NIGHT
N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 6 seconds, W 4 ft at 9 seconds and SW 2 ft at 18 seconds.

SAT
NE wind around 5 kt, backing to NW in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 18 seconds.

SAT NIGHT
N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N 2 ft at 3 seconds, W 3 ft at 9 seconds and SW 2 ft at 17 seconds.

SUN
N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 4 seconds, NW 4 ft at 9 seconds and SW 2 ft at 16 seconds.

SUN NIGHT
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds, NW 4 ft at 9 seconds and SW 2 ft at 15 seconds.

MON
W wind around 5 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and SW 2 ft at 15 seconds.

MON NIGHT
NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 6 seconds, W 3 ft at 11 seconds and SW 2 ft at 14 seconds.

TUE
N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 6 seconds, W 2 ft at 10 seconds and SW 2 ft at 14 seconds.

TUE NIGHT
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 6 seconds, W 2 ft at 10 seconds and SW 2 ft at 14 seconds.

PZZ156-041045
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
245 PM PDT Thu Sep 3 2026

TONIGHT
SE wind 5 to 10 kt, backing to NE late this evening and overnight. Seas 5 to 8 ft, subsiding to 4 to 6 ft after midnight. Wave Detail: S 3 ft at 7 seconds and W 7 ft at 10 seconds. A slight chance of rain early this evening.

FRI
E wind around 5 kt, veering to SW in the afternoon. Seas 4 to 5 ft. Wave Detail: SW 2 ft at 7 seconds, W 4 ft at 9 seconds and SW 2 ft at 18 seconds.

FRI NIGHT
N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 18 seconds.

SAT
NE wind around 5 kt, backing to W in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 18 seconds.

SAT NIGHT
N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: N 2 ft at 3 seconds, NW 4 ft at 9 seconds and SW 2 ft at 17 seconds.

SUN
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 5 seconds, NW 4 ft at 9 seconds and SW 2 ft at 16 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds, NW 5 ft at 9 seconds and SW 2 ft at 15 seconds.

MON
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 8 seconds and SW 2 ft at 15 seconds.

MON NIGHT
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 3 ft at 6 seconds, W 4 ft at 11 seconds and SW 2 ft at 14 seconds.

TUE
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 6 seconds, W 2 ft at 10 seconds and SW 2 ft at 14 seconds.

TUE NIGHT
NW wind 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 6 seconds, W 2 ft at 10 seconds and SW 2 ft at 14 seconds.

PZZ170-041045
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
245 PM PDT Thu Sep 3 2026

TONIGHT
N wind 5 to 10 kt, backing to NW after midnight. Seas 5 to 7 ft. Wave Detail: S 4 ft at 7 seconds, W 6 ft at 10 seconds and SW 2 ft at 17 seconds.

FRI
NE wind around 5 kt, veering to E around 5 kt in the afternoon. Seas around 5 ft. Wave Detail: S 3 ft at 7 seconds, W 4 ft at 9 seconds and SW 2 ft at 18 seconds.

FRI NIGHT
N wind around 5 kt. Seas around 5 ft. Wave Detail: S 2 ft at 6 seconds, W 4 ft at 9 seconds and S 2 ft at 12 seconds.

SAT
N wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 9 seconds, S 2 ft at 12 seconds and SW 2 ft at 18 seconds.

SAT NIGHT
N wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NE 3 ft at 4 seconds, W 3 ft at 9 seconds and S 2 ft at 12 seconds.

SUN
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at 4 seconds, NW 4 ft at 10 seconds and S 3 ft at 16 seconds.

SUN NIGHT
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: N 4 ft at 5 seconds, NW 4 ft at 10 seconds and S 3 ft at 15 seconds.

MON
W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 5 seconds, NW 4 ft at 11 seconds and S 3 ft at 15 seconds.

MON NIGHT
NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 5 seconds, NW 4 ft at 11 seconds and S 3 ft at 15 seconds.

TUE
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 4 ft at 5 seconds, W 2 ft at 10 seconds and S 3 ft at 14 seconds.

TUE NIGHT
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at 6 seconds, W 2 ft at 10 seconds and S 2 ft at 14 seconds.

PZZ173-041045
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
245 PM PDT Thu Sep 3 2026

TONIGHT
E wind 5 to 10 kt, backing to N late this evening and overnight. Seas 6 to 8 ft, subsiding to 5 to 6 ft after midnight. Wave Detail: S 4 ft at 7 seconds and W 7 ft at 10 seconds.

FRI
N wind 5 to 10 kt, becoming E in the afternoon. Seas 5 to 6 ft. Wave Detail: S 3 ft at 7 seconds, W 5 ft at 9 seconds and SW 2 ft at 18 seconds.

FRI NIGHT
N wind around 5 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at 6 seconds, NW 4 ft at 9 seconds and SW 2 ft at 18 seconds.

SAT
N wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 9 seconds, S 2 ft at 12 seconds and SW 2 ft at 18 seconds.

SAT NIGHT
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NE 3 ft at 4 seconds, NW 4 ft at 9 seconds and S 2 ft at 12 seconds.

SUN
N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NE 4 ft at 4 seconds, NW 3 ft at 10 seconds and S 3 ft at 15 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: N 5 ft at 5 seconds, NW 4 ft at 9 seconds and S 3 ft at 15 seconds.

MON
W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: N 4 ft at 6 seconds, NW 4 ft at 9 seconds and S 3 ft at 15 seconds.

MON NIGHT
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 5 seconds, NW 4 ft at 11 seconds and S 3 ft at 15 seconds.

TUE
N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 6 seconds, W 2 ft at 10 seconds and S 3 ft at 14 seconds.

TUE NIGHT
NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 6 seconds, W 2 ft at 10 seconds and S 2 ft at 14 seconds.

PZZ176-041045
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
245 PM PDT Thu Sep 3 2026

TONIGHT
E wind 10 to 15 kt, backing to NE after midnight. Seas 6 to 9 ft, subsiding to 6 to 7 ft after midnight. Wave Detail: S 4 ft at 7 seconds and W 7 ft at 10 seconds.

FRI
NE wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: S 2 ft at 7 seconds, W 5 ft at 9 seconds and SW 2 ft at 18 seconds.

FRI NIGHT
N wind 5 to 10 kt. Seas around 5 ft. Wave Detail: NW 5 ft at 9 seconds and SW 2 ft at 18 seconds.

SAT
N wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 9 seconds, S 2 ft at 12 seconds and SW 2 ft at 18 seconds.

SAT NIGHT
N wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: N 4 ft at 5 seconds, NW 4 ft at 9 seconds and S 2 ft at 12 seconds.

SUN
N wind around 10 kt. Seas 5 to 6 ft. Wave Detail: N 5 ft at 5 seconds, NW 4 ft at 9 seconds and S 3 ft at 16 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: N 5 ft at 6 seconds, NW 4 ft at 9 seconds and S 3 ft at 14 seconds.

MON
W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 4 ft at 8 seconds and S 3 ft at 15 seconds.

MON NIGHT
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 4 ft at 6 seconds, NW 4 ft at 11 seconds and S 3 ft at 14 seconds.

TUE
N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 6 seconds, W 2 ft at 10 seconds and S 3 ft at 14 seconds.

TUE NIGHT
N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 6 seconds, W 2 ft at 10 seconds and S 2 ft at 14 seconds.

PZZ130-041045
West Entrance U.S. Waters Strait Of Juan De Fuca
245 PM PDT Thu Sep 3 2026

TONIGHT
W wind around 5 kt, backing to SE around 5 kt late. Seas 3 to 4 ft. Wave Detail: W 4 ft at 10 seconds.

FRI
E wind around 5 kt, backing to N in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds.

FRI NIGHT
W wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 9 seconds.

SAT
NE wind around 5 kt, backing to N in the afternoon. Seas around 3 ft. Wave Detail: W 3 ft at 9 seconds.

SAT NIGHT
NW wind around 5 kt, veering to NE after midnight. Seas around 3 ft. Wave Detail: W 3 ft at 9 seconds.

SUN
NE wind around 5 kt, backing to N in the afternoon. Seas around 3 ft. Wave Detail: W 3 ft at 10 seconds.

SUN NIGHT
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 2 ft at 5 seconds and W 3 ft at 9 seconds.

MON
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 11 seconds.

MON NIGHT
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N 2 ft at 4 seconds and W 3 ft at 11 seconds.

TUE
NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and W 2 ft at 10 seconds.

TUE NIGHT
NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and W 2 ft at 10 seconds.

PZZ131-041045
Central U.S. Waters Strait Of Juan De Fuca
245 PM PDT Thu Sep 3 2026

TONIGHT
W wind around 5 kt. Waves around 2 ft or less.

FRI
SW wind around 5 kt, veering to N in the afternoon. Waves around 2 ft or less.

FRI NIGHT
W wind around 5 kt. Waves around 2 ft or less.

SAT
SW wind around 5 kt, veering to NE in the afternoon. Waves around 2 ft or less. A chance of rain in the afternoon.

SAT NIGHT
W wind around 5 kt. Waves around 2 ft or less.

SUN
S wind around 5 kt, veering to N in the afternoon. Waves around 2 ft or less.

SUN NIGHT
W wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Waves around 2 ft or less, then around 3 ft after midnight.

MON
W wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Waves around 3 ft.

MON NIGHT
W wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Waves 3 to 4 ft.

TUE
W wind 5 to 10 kt, becoming N in the afternoon. Waves around 2 ft or less.

TUE NIGHT
W wind around 5 kt. Waves around 2 ft or less.

PZZ132-041045
East Entrance U.S. Waters Strait Of Juan De Fuca
245 PM PDT Thu Sep 3 2026

TONIGHT
W wind around 5 kt. Waves around 2 ft or less.

FRI
S wind around 5 kt, veering to NW around 5 kt in the afternoon. Waves around 2 ft or less.

FRI NIGHT
W wind around 5 kt. Waves around 2 ft or less.

SAT
NW wind around 5 kt. Waves around 2 ft or less.

SAT NIGHT
W wind around 5 kt. 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. Waves around 2 ft or less.

MON
SW wind 5 to 10 kt. Waves around 3 ft in the morning, then around 2 ft or less.

MON NIGHT
W wind 5 to 10 kt. Waves around 3 ft.

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.

PZZ134-041045
Admiralty Inlet
245 PM PDT Thu Sep 3 2026

TONIGHT
S wind around 5 kt, veering to NW around 5 kt late this evening and early morning, backing to SW late. Waves around 2 ft or less.

FRI
S wind around 5 kt, backing to NE around 5 kt in the afternoon. Waves around 2 ft or less.

FRI NIGHT
NW wind 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 around 5 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, becoming W after midnight. Waves around 2 ft or less.

MON
SE wind around 5 kt. Waves around 2 ft or less.

MON NIGHT
NW wind around 5 kt. Waves around 2 ft or less.

TUE
Light and variable winds, becoming NW around 5 kt in the afternoon. Waves around 2 ft or less.

TUE NIGHT
NW wind 5 to 10 kt. Waves around 2 ft or less.

PZZ133-041045
Northern Inland Waters Including The San Juan Islands
245 PM PDT Thu Sep 3 2026

TONIGHT
SW wind around 5 kt, veering to W after midnight, then becoming light and variable late. Waves around 2 ft or less.

FRI
S wind around 5 kt, veering to W in the afternoon. Waves around 2 ft or less.

FRI NIGHT
NW wind around 5 kt. Waves around 2 ft or less.

SAT
NE wind around 5 kt, backing to NW in the afternoon. Waves around 2 ft or less.

SAT NIGHT
W wind around 5 kt, veering to N after midnight. Waves around 2 ft or less.

SUN
N wind around 5 kt, backing to NW in the afternoon. Waves around 2 ft or less.

SUN NIGHT
W wind around 5 kt, backing to S after midnight. Waves around 2 ft or less.

MON
S wind 5 to 10 kt. Waves around 2 ft or less.

MON NIGHT
S wind 5 to 10 kt. Waves around 2 ft or less.

TUE
S wind around 5 kt, veering to W in the afternoon. Waves around 2 ft or less.

TUE NIGHT
NW wind around 5 kt in the evening, becoming light and variable. Waves around 2 ft or less.

PZZ135-041045
Puget Sound and Hood Canal
245 PM PDT Thu Sep 3 2026

TONIGHT
S wind around 5 kt this evening, becoming light and variable. Waves around 2 ft or less. A slight chance of rain early this evening.

FRI
S wind around 5 kt, backing to NE in the afternoon. Waves around 2 ft or less.

FRI NIGHT
N wind around 5 kt. Waves around 2 ft or less.

SAT
Light and variable winds, becoming N around 5 kt in the afternoon. Waves around 2 ft or less.

SAT NIGHT
N wind around 5 kt. Waves around 2 ft or less.

SUN
N wind around 5 kt, rising to 5 to 10 kt in the afternoon. Waves around 2 ft or less.

SUN NIGHT
N wind 5 to 10 kt, becoming SW after midnight. Waves around 2 ft or less.

MON
S wind around 5 kt, rising to 5 to 10 kt in the afternoon. Waves around 2 ft or less.

MON NIGHT
W wind 5 to 10 kt, becoming S after midnight. Waves around 2 ft or less.

TUE
N wind around 5 kt. Waves around 2 ft or less.

TUE NIGHT
N wind 5 to 10 kt, easing to around 5 kt after midnight. Waves around 2 ft or less.

PZZ110-041045
Grays Harbor Bar
245 PM PDT Thu Sep 3 2026

Combined seas 4 to 6 ft. Bar conditions light. Maximum ebb currents will occur around 1000 PM tonight, 1030 AM Friday, and 1115 PM Friday.