National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 272131
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
231 PM PDT Mon Apr 27 2026

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

PZZ100-281045
231 PM PDT Mon Apr 27 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...Broad high pressure will persist well offshore with low pressure over land. The pattern remains steady through early next week. High pressure will weaken slightly on on Thursday as a weak cold front moves over the waters.


PZZ150-281045
Coastal Waters From Cape Flattery To James Island Out 10 Nm
231 PM PDT Mon Apr 27 2026

TONIGHT
W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 9 seconds. A slight chance of rain late this evening and overnight.

TUE
W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 9 seconds and W 2 ft at 18 seconds.

TUE NIGHT
NW wind around 5 kt. Seas 5 to 7 ft. Wave Detail: W 5 ft at 11 seconds and W 4 ft at 17 seconds.

WED
E wind around 5 kt, backing to NW in the afternoon. Seas 6 to 7 ft. Wave Detail: W 5 ft at 8 seconds and W 7 ft at 15 seconds.

WED NIGHT
NW wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: W 7 ft at 13 seconds.

THU
NW wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 9 seconds.

THU NIGHT
NW wind 10 to 15 kt. Seas 6 to 9 ft, building to 8 to 9 ft after midnight. Wave Detail: NW 9 ft at 9 seconds.

FRI
NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at 12 seconds.

FRI NIGHT
NW wind around 10 kt, easing to around 5 kt after midnight. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 11 seconds.

SAT
N wind around 5 kt, backing to NW in the afternoon. Seas 5 to 7 ft. Wave Detail: W 6 ft at 9 seconds and W 2 ft at 19 seconds.

SAT NIGHT
N wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at 9 seconds and W 5 ft at 17 seconds.


PZZ153-281045
Coastal Waters From James Island To Point Grenville Out 10 Nm
231 PM PDT Mon Apr 27 2026

TONIGHT
W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 9 seconds. A slight chance of rain this evening, then a chance of rain after midnight. A slight chance of rain late.

TUE
W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 9 seconds. A chance of rain in the morning.

TUE NIGHT
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at 11 seconds and W 3 ft at 18 seconds.

WED
NE wind around 5 kt, backing to W in the afternoon. Seas 5 to 7 ft. Wave Detail: W 5 ft at 9 seconds and W 5 ft at 15 seconds.

WED NIGHT
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 9 seconds and W 5 ft at 14 seconds.

THU
NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: W 6 ft at 9 seconds and SW 3 ft at 15 seconds.

THU NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and W 3 ft at 14 seconds.

FRI
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 12 seconds.

FRI NIGHT
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 10 seconds.

SAT
N wind around 5 kt, backing to NW in the afternoon. Seas 5 to 6 ft. Wave Detail: W 6 ft at 10 seconds and W 2 ft at 19 seconds.

SAT NIGHT
NW wind 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 9 seconds and W 4 ft at 17 seconds.


PZZ156-281045
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
231 PM PDT Mon Apr 27 2026

TONIGHT
W wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 9 seconds. A slight chance of rain after midnight. A chance of rain late.

TUE
W wind around 10 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 11 seconds. A chance of rain in the morning.

TUE NIGHT
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 11 seconds and W 4 ft at 17 seconds.

WED
N wind around 5 kt, backing to NW in the afternoon. Seas 5 to 7 ft. Wave Detail: W 6 ft at 9 seconds and W 6 ft at 15 seconds.

WED NIGHT
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 14 seconds and W 4 ft at 14 seconds.

THU
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 8 seconds.

THU NIGHT
NW wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: NW 11 ft at 8 seconds and W 3 ft at 14 seconds.

FRI
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 9 seconds.

FRI NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 7 to 9 ft. Wave Detail: NW 9 ft at 8 seconds.

SAT
NW wind 5 to 10 kt. Seas 5 to 8 ft, subsiding to 5 to 6 ft in the afternoon. Wave Detail: W 7 ft at 11 seconds.

SAT NIGHT
N wind 5 to 10 kt. Seas 5 to 6 ft, building to 6 to 8 ft after midnight. Wave Detail: W 7 ft at 9 seconds and W 4 ft at 17 seconds.


PZZ170-281045
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
231 PM PDT Mon Apr 27 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM PDT THIS AFTERNOON THROUGH TUESDAY MORNING

TONIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight, rising to 15 to 20 kt late. Seas 6 to 8 ft. Wave Detail: W 8 ft at 9 seconds.

TUE
NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 9 seconds and W 2 ft at 18 seconds.

TUE NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 6 to 8 ft. Wave Detail: W 6 ft at 11 seconds and W 5 ft at 16 seconds.

WED
N wind around 5 kt, backing to NW in the afternoon. Seas 6 to 8 ft. Wave Detail: NW 6 ft at 8 seconds and W 7 ft at 15 seconds.

WED NIGHT
NW wind around 10 kt. Seas 6 to 7 ft. Wave Detail: W 7 ft at 14 seconds and SW 2 ft at 14 seconds.

THU
NW wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: NW 8 ft at 10 seconds.

THU NIGHT
NW wind 15 to 20 kt. Seas 7 to 9 ft. Wave Detail: NW 9 ft at 9 seconds.

FRI
NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 8 to 9 ft, subsiding to 6 to 7 ft in the afternoon. Wave Detail: NW 8 ft at 12 seconds.

FRI NIGHT
NW wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: NW 8 ft at 12 seconds.

SAT
NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 6 to 8 ft. Wave Detail: W 7 ft at 9 seconds and W 2 ft at 18 seconds.

SAT NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 6 to 8 ft, building to 8 to 10 ft after midnight. Wave Detail: NW 8 ft at 9 seconds and W 6 ft at 17 seconds.


PZZ173-281045
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
231 PM PDT Mon Apr 27 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM PDT THIS AFTERNOON THROUGH TUESDAY MORNING

TONIGHT
NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds. A slight chance of rain after midnight.

TUE
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds and W 2 ft at 17 seconds.

TUE NIGHT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 10 seconds and W 5 ft at 16 seconds.

WED
NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at 15 seconds.

WED NIGHT
NW wind around 10 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 14 seconds.

THU
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds.

THU NIGHT
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 9 seconds.

FRI
NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 7 to 9 ft. Wave Detail: NW 9 ft at 10 seconds.

FRI NIGHT
NW wind 15 to 20 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 11 seconds.

SAT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds and W 2 ft at 18 seconds.

SAT NIGHT
NW wind 10 to 15 kt. Seas 6 to 9 ft, building to 8 to 9 ft after midnight. Wave Detail: NW 8 ft at 9 seconds and W 6 ft at 17 seconds.


PZZ176-281045
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
231 PM PDT Mon Apr 27 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM PDT THIS AFTERNOON THROUGH TUESDAY MORNING

TONIGHT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds. A slight chance of rain after midnight.

TUE
NW wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 10 seconds and W 2 ft at 18 seconds.

TUE NIGHT
NW wind 10 to 15 kt. Seas 6 to 9 ft. Wave Detail: NW 7 ft at 11 seconds and W 4 ft at 17 seconds.

WED
N wind 5 to 10 kt. Seas 7 to 8 ft. Wave Detail: NW 7 ft at 15 seconds.

WED NIGHT
NW wind 10 to 15 kt. Seas 6 to 9 ft. Wave Detail: NW 9 ft at 14 seconds.

THU
NW wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: NW 9 ft at 8 seconds.

THU NIGHT
NW wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: NW 10 ft at 8 seconds.

FRI
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 10 seconds.

FRI NIGHT
NW wind 15 to 20 kt. Seas 7 to 9 ft. Wave Detail: NW 9 ft at 9 seconds.

SAT
NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 11 seconds and W 2 ft at 18 seconds.

SAT NIGHT
N wind 10 to 15 kt. Seas 6 to 9 ft, building to 8 to 10 ft after midnight. Wave Detail: NW 8 ft at 9 seconds and W 5 ft at 17 seconds.


PZZ130-281045
West Entrance U.S. Waters Strait Of Juan De Fuca
231 PM PDT Mon Apr 27 2026

TONIGHT
SW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 9 seconds. A slight chance of rain late this evening and overnight.

TUE
SW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 9 seconds. A chance of rain in the morning.

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

WED
E wind around 5 kt, backing to NW in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 9 seconds and W 5 ft at 14 seconds.

WED NIGHT
W wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 12 seconds.

THU
W wind around 5 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 9 seconds.

THU NIGHT
W wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave Detail: W 7 ft at 8 seconds.

FRI
W wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 12 seconds.

FRI NIGHT
W wind 10 to 15 kt, easing to around 5 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 5 ft at 12 seconds.

SAT
N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 9 seconds.

SAT NIGHT
NW wind around 5 kt, veering to N after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 9 seconds and W 3 ft at 17 seconds.


PZZ131-281045
Central U.S. Waters Strait Of Juan De Fuca
231 PM PDT Mon Apr 27 2026

TONIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt late. Waves 3 to 4 ft.

TUE
W wind 5 to 10 kt. Waves around 3 ft.

TUE NIGHT
W wind 5 to 10 kt. Waves around 3 ft in the evening, then around 2 ft or less.

WED
NW wind around 5 kt, veering to NE around 5 kt in the afternoon. 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, rising to 10 to 15 kt in the afternoon. Waves around 2 ft or less, then around 3 ft in the afternoon.

THU NIGHT
W wind 15 to 20 kt. Waves 3 to 5 ft.

FRI
W wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Waves around 3 ft.

FRI NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Waves 3 to 4 ft.

SAT
NW wind around 5 kt, veering to NE in the afternoon. Waves around 3 ft.

SAT NIGHT
W wind around 5 kt. Waves around 3 ft.


PZZ132-281045
East Entrance U.S. Waters Strait Of Juan De Fuca
231 PM PDT Mon Apr 27 2026

TONIGHT
W wind 5 to 10 kt, backing to S late. Waves around 2 ft or less.

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

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

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

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

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

THU NIGHT
W wind 10 to 15 kt. Waves 3 to 4 ft.

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


PZZ134-281045
Admiralty Inlet
231 PM PDT Mon Apr 27 2026

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

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

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

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

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

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

THU NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Waves around 2 ft or less.

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

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

SAT
NW wind around 5 kt, rising to 10 to 15 kt in the afternoon. Waves around 2 ft or less.

SAT NIGHT
NW wind 10 to 15 kt, easing to around 5 kt after midnight. Waves around 2 ft or less.


PZZ133-281045
Northern Inland Waters Including The San Juan Islands
231 PM PDT Mon Apr 27 2026

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

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

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

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

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

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

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

FRI
SW wind around 5 kt, veering to W 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, rising to 5 to 10 kt in the afternoon. 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.


PZZ135-281045
Puget Sound and Hood Canal
231 PM PDT Mon Apr 27 2026

TONIGHT
SW wind 10 to 15 kt, becoming S 5 to 10 kt late this evening and overnight. Waves around 2 ft or less.

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

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

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

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

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

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

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

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

SAT
N wind around 5 kt, rising to 10 to 15 kt in the afternoon. Waves around 2 ft or less.

SAT NIGHT
N wind 10 to 15 kt, easing to around 5 kt after midnight. Waves around 2 ft or less.


PZZ110-281045
Grays Harbor Bar
231 PM PDT Mon Apr 27 2026

Combined seas around 4 to 6 ft. Bar conditions light. Maximum ebb currents will occur around 300 AM Tuesday, 315 PM Tuesday, and 345 AM Wednesday.