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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 170915
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
215 AM PDT Wed Jun 17 2026

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

PZZ100-172215
215 AM PDT Wed Jun 17 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...High pressure will generally remain in place over the northeast Pacific and coastal waters through the end of the week, bringing persistent north to northwest winds over the coastal waters. High pressure will start to ease over the weekend as a low pressure system moves from inland B.C. into far northern WA. Elevated seas and winds will continue into the weekend.

PZZ150-172215
Coastal Waters From Cape Flattery To James Island Out 10 Nm
215 AM PDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING

TODAY
NW wind 10 to 15 kt. Seas 7 to 10 ft, subsiding to 5 to 8 ft this afternoon. Wave Detail: W 10 ft at 10 seconds and SW 2 ft at 18 seconds.

TONIGHT
NW wind 10 to 15 kt, becoming N around 5 kt after midnight. Seas 7 to 10 ft. Wave Detail: W 10 ft at 10 seconds and SW 2 ft at 18 seconds.

THU
N wind around 5 kt, becoming NW 10 to 15 kt in the afternoon. Seas 6 to 8 ft, subsiding to 5 to 6 ft in the afternoon. Wave Detail: W 7 ft at 9 seconds and SW 2 ft at 18 seconds.

THU NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 6 to 9 ft, building to 8 to 10 ft after midnight. Wave Detail: W 9 ft at 10 seconds and SW 2 ft at 17 seconds.

FRI
NW wind around 5 kt, becoming W 10 to 15 kt in the afternoon. Seas 7 to 9 ft. Wave Detail: W 8 ft at 10 seconds and SW 2 ft at 17 seconds.

FRI NIGHT
NW wind 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 7 to 10 ft, building to 9 to 11 ft after midnight. Wave Detail: W 11 ft at 10 seconds and SW 2 ft at 15 seconds.

SAT
SE wind 5 to 10 kt, veering to SW in the afternoon. Seas 8 to 10 ft, subsiding to 6 to 8 ft in the afternoon. Wave Detail: W 9 ft at 10 seconds and SW 2 ft at 15 seconds.

SAT NIGHT
W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 9 seconds and SW 2 ft at 15 seconds.

SUN
SW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 15 seconds.

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

PZZ153-172215
Coastal Waters From James Island To Point Grenville Out 10 Nm
215 AM PDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING

TODAY
NW wind 10 to 15 kt, rising to 15 to 20 kt late. Seas 6 to 9 ft. Wave Detail: NW 9 ft at 10 seconds and SW 2 ft at 19 seconds.

TONIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 7 to 10 ft. Wave Detail: NW 10 ft at 9 seconds and SW 2 ft at 18 seconds.

THU
NW wind around 5 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: W 7 ft at 10 seconds and SW 2 ft at 18 seconds.

THU NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 8 ft, building to 7 to 9 ft after midnight. Wave Detail: NW 8 ft at 10 seconds and SW 2 ft at 17 seconds.

FRI
NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 6 to 9 ft. Wave Detail: W 9 ft at 10 seconds and SW 2 ft at 17 seconds.

FRI NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 7 to 10 ft. Wave Detail: W 9 ft at 10 seconds and SW 2 ft at 15 seconds.

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

SAT NIGHT
W wind 5 to 10 kt, becoming NW after midnight. Seas 5 to 7 ft. Wave Detail: W 6 ft at 9 seconds and SW 2 ft at 15 seconds.

SUN
W wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 15 seconds.

SUN NIGHT
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 15 seconds.

PZZ156-172215
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
215 AM PDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING

TODAY
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail: NW 10 ft at 10 seconds and SW 2 ft at 19 seconds.

TONIGHT
N wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail: NW 10 ft at 9 seconds and SW 2 ft at 18 seconds.

THU
N wind around 5 kt, backing to NW 10 to 15 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 10 seconds and SW 2 ft at 18 seconds.

THU NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 7 to 10 ft. Wave Detail: NW 10 ft at 9 seconds and SW 2 ft at 17 seconds.

FRI
NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 7 to 9 ft. Wave Detail: W 9 ft at 10 seconds and SW 2 ft at 17 seconds.

FRI NIGHT
NW wind 10 to 15 kt. Seas 7 to 10 ft. Wave Detail: W 10 ft at 10 seconds and SW 2 ft at 15 seconds.

SAT
W wind around 10 kt. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 10 seconds and SW 2 ft at 15 seconds.

SAT NIGHT
NW wind 5 to 10 kt. Seas 5 to 8 ft. Wave Detail: W 7 ft at 9 seconds and SW 2 ft at 15 seconds.

SUN
NW wind around 5 kt, backing to W in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 9 seconds and SW 2 ft at 15 seconds.

SUN NIGHT
NW wind around 10 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 8 seconds and SW 2 ft at 15 seconds.

PZZ170-172215
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
215 AM PDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING

TODAY
NW wind 25 to 30 kt, easing to 20 to 25 kt late this morning and afternoon. Seas 9 to 13 ft, subsiding to 8 to 11 ft this afternoon. Wave Detail: NW 13 ft at 10 seconds and SW 3 ft at 17 seconds.

TONIGHT
NW wind 20 to 25 kt. Seas 9 to 13 ft. Wave Detail: NW 13 ft at 10 seconds and SW 3 ft at 17 seconds.

THU
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 9 seconds and SW 3 ft at 17 seconds.

THU NIGHT
NW wind 15 to 20 kt, rising to 20 to 25 kt after midnight. Seas 8 to 11 ft, building to 10 to 13 ft after midnight. Wave Detail: NW 12 ft at 10 seconds and SW 3 ft at 16 seconds.

FRI
NW wind 20 to 25 kt. Seas 9 to 12 ft. Wave Detail: NW 12 ft at 9 seconds and SW 2 ft at 16 seconds.

FRI NIGHT
NW wind 20 to 25 kt, rising to 25 to 30 kt after midnight. Seas 10 to 14 ft, building to 12 to 15 ft after midnight. Wave Detail: NW 15 ft at 10 seconds and SW 2 ft at 15 seconds.

SAT
NW wind 25 to 30 kt, easing to 15 to 20 kt in the afternoon. Seas 10 to 14 ft, subsiding to 8 to 11 ft in the afternoon. Wave Detail: NW 13 ft at 10 seconds and SW 3 ft at 15 seconds.

SAT 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 9 seconds and SW 3 ft at 15 seconds.

SUN
W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and SW 3 ft at 15 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 5 to 6 ft, building to 5 to 8 ft after midnight. Wave Detail: NW 7 ft at 8 seconds and SW 3 ft at 15 seconds.

PZZ173-172215
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
215 AM PDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING

TODAY
NW wind 25 to 30 kt, easing to 20 to 25 kt late this morning and afternoon. Seas 9 to 13 ft. Wave Detail: NW 13 ft at 10 seconds and SW 3 ft at 17 seconds.

TONIGHT
NW wind 20 to 25 kt. Seas 10 to 14 ft. Wave Detail: NW 13 ft at 9 seconds and SW 3 ft at 17 seconds.

THU
NW wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: NW 10 ft at 9 seconds and SW 3 ft at 17 seconds.

THU NIGHT
NW wind 20 to 25 kt. Seas 9 to 12 ft, building to 10 to 14 ft after midnight. Wave Detail: NW 13 ft at 10 seconds and SW 3 ft at 16 seconds.

FRI
NW wind 20 to 25 kt. Seas 11 to 15 ft. Wave Detail: NW 14 ft at 9 seconds and SW 3 ft at 16 seconds.

FRI NIGHT
NW wind 20 to 25 kt, rising to 25 to 30 kt after midnight. Seas 12 to 16 ft. Wave Detail: NW 16 ft at 10 seconds and SW 3 ft at 15 seconds.

SAT
NW wind 25 to 30 kt, easing to 15 to 20 kt in the afternoon. Seas 12 to 16 ft, subsiding to 9 to 13 ft in the afternoon. Wave Detail: NW 15 ft at 10 seconds and SW 3 ft at 15 seconds.

SAT NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 9 seconds and SW 3 ft at 15 seconds.

SUN
NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and SW 3 ft at 16 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and SW 3 ft at 15 seconds.

PZZ176-172215
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
215 AM PDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING

TODAY
NW wind 20 to 25 kt. Seas 10 to 14 ft. Wave Detail: NW 14 ft at 10 seconds and SW 3 ft at 18 seconds.

TONIGHT
NW wind 20 to 25 kt. Seas 10 to 14 ft. Wave Detail: NW 13 ft at 9 seconds and SW 3 ft at 17 seconds.

THU
N wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: NW 11 ft at 9 seconds and SW 3 ft at 17 seconds.

THU NIGHT
NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 9 to 13 ft. Wave Detail: NW 12 ft at 9 seconds and SW 3 ft at 16 seconds.

FRI
NW wind 20 to 25 kt. Seas 10 to 14 ft. Wave Detail: NW 13 ft at 10 seconds and SW 3 ft at 16 seconds.

FRI NIGHT
NW wind 20 to 25 kt. Seas 11 to 14 ft. Wave Detail: NW 14 ft at 10 seconds and SW 2 ft at 15 seconds.

SAT
NW wind 20 to 25 kt, easing to 15 to 20 kt in the afternoon. Seas 11 to 15 ft, subsiding to 9 to 12 ft in the afternoon. Wave Detail: NW 14 ft at 10 seconds and SW 3 ft at 15 seconds.

SAT 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 9 seconds and SW 3 ft at 14 seconds.

SUN
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and SW 3 ft at 16 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 5 to 8 ft, building to 7 to 8 ft after midnight. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 15 seconds.

PZZ130-172215
West Entrance U.S. Waters Strait Of Juan De Fuca
215 AM PDT Wed Jun 17 2026

TODAY
NW wind around 5 kt, rising to 5 to 10 kt this afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 9 seconds.

TONIGHT
W wind 5 to 10 kt, backing to S after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 10 seconds.

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

THU NIGHT
W wind 5 to 10 kt, becoming NW after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 10 seconds.

FRI
NW wind around 5 kt, backing to W in the afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 10 seconds.

FRI NIGHT
W wind around 10 kt, backing to SW after midnight. Seas 5 to 7 ft. Wave Detail: W 7 ft at 10 seconds.

SAT
S wind around 5 kt, veering to W in the afternoon. Seas 5 to 7 ft. Wave Detail: W 7 ft at 10 seconds.

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

SUN
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds.

SUN NIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds.

PZZ131-172215
Central U.S. Waters Strait Of Juan De Fuca
215 AM PDT Wed Jun 17 2026

TODAY
W wind around 5 kt, veering to N around 5 kt early this afternoon, backing to W late. Waves around 3 ft.

TONIGHT
W wind 5 to 10 kt, easing to around 5 kt after midnight. Waves around 3 ft.

THU
E wind 5 to 10 kt, backing to NE in the afternoon. Waves around 3 ft in the morning, then around 2 ft or less.

THU NIGHT
W wind around 5 kt. Waves around 2 ft or less, then around 3 ft after midnight.

FRI
E wind around 5 kt, backing to NE in the afternoon. Waves around 3 ft in the morning, then around 2 ft or less.

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

SAT
W wind around 5 kt, veering to NE around 5 kt in the afternoon. Waves around 3 ft in the morning, then around 2 ft or less.

SAT NIGHT
W wind 10 to 15 kt. Waves around 3 ft.

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

SUN NIGHT
W wind 5 to 10 kt. Waves around 2 ft or less.

PZZ132-172215
East Entrance U.S. Waters Strait Of Juan De Fuca
215 AM PDT Wed Jun 17 2026

TODAY
S wind around 5 kt, veering to N around 5 kt early this afternoon, backing to W late. Waves around 2 ft or less.

TONIGHT
W wind 5 to 10 kt, becoming NW after midnight. Waves around 2 ft or less.

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

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

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

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

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

SAT NIGHT
W wind 5 to 10 kt. Waves around 2 ft or less.

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

SUN NIGHT
W wind 5 to 10 kt. Waves around 2 ft or less.

PZZ134-172215
Admiralty Inlet
215 AM PDT Wed Jun 17 2026

TODAY
S wind around 5 kt, veering to NW this afternoon. Waves around 2 ft or less.

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

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

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

SAT
SE wind 5 to 10 kt, backing to E in the afternoon. Waves around 2 ft or less.

SAT NIGHT
NW wind around 5 kt, backing to SW around 5 kt after midnight. Waves around 2 ft or less.

SUN
S wind around 5 kt, veering to NW in the afternoon. 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.

PZZ133-172215
Northern Inland Waters Including The San Juan Islands
215 AM PDT Wed Jun 17 2026

TODAY
SW wind 5 to 10 kt, becoming W this afternoon. Waves around 2 ft or less.

TONIGHT
W wind around 5 kt, veering to NW after midnight. 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
W wind around 5 kt, rising to 5 to 10 kt after midnight. Waves around 2 ft or less.

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

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

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

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

PZZ135-172215
Puget Sound and Hood Canal
215 AM PDT Wed Jun 17 2026

TODAY
SE wind around 5 kt, backing to N early this afternoon, rising to 5 to 10 kt late. Waves around 2 ft or less.

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

THU
N wind 5 to 10 kt. Waves around 2 ft or less.

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

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

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

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

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

PZZ110-172215
Grays Harbor Bar
215 AM PDT Wed Jun 17 2026

Combined seas 6 to 9 ft. Bar conditions moderate. Maximum ebb currents will occur around 645 AM Wednesday, 730 PM Wednesday, and 730 AM Thursday. The morning ebbs on Wednesday and Thursday will be very strong.