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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 220934
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
234 AM PDT Sat Aug 22 2026

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

PZZ100-222245
234 AM PDT Sat Aug 22 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...A weak surface low will move into the coastal waters today. The low will dissipate tonight. High pressure will rebuild Sunday and remain over the area through Tuesday. A weak frontal system will move across the waters midweek.


PZZ150-222245
Coastal Waters From Cape Flattery To James Island Out 10 Nm
234 AM PDT Sat Aug 22 2026

TODAY
S wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and W 3 ft at 9 seconds. A slight chance of showers this afternoon.

TONIGHT
S wind 5 to 10 kt, easing to around 5 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 2 ft at 6 seconds and W 3 ft at 8 seconds.

SUN
W wind around 5 kt. Seas around 3 ft. Wave Detail: S 2 ft at 6 seconds and W 2 ft at 8 seconds.

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

MON
N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas around 3 ft. Wave Detail: W 3 ft at 6 seconds.

MON NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds.

TUE
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds and SW 2 ft at 17 seconds.

TUE NIGHT
W wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds and SW 2 ft at 16 seconds.

WED
SW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: W 4 ft at 8 seconds and W 2 ft at 14 seconds. A chance of showers.

WED NIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 8 seconds and W 2 ft at 13 seconds. A chance of showers.


PZZ153-222245
Coastal Waters From James Island To Point Grenville Out 10 Nm
234 AM PDT Sat Aug 22 2026

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

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

SUN
SW wind around 5 kt, veering to NW around 5 kt in the afternoon. Seas around 3 ft. Wave Detail: S 2 ft at 5 seconds and W 3 ft at 8 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds.

MON
N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds.

MON NIGHT
NW wind 15 to 20 kt, becoming N 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 6 seconds.

TUE
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds and SW 2 ft at 17 seconds.

TUE NIGHT
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and SW 2 ft at 16 seconds.

WED
SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds and SW 2 ft at 15 seconds. A chance of showers.

WED NIGHT
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 7 seconds and SW 2 ft at 14 seconds. A chance of showers.


PZZ156-222245
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
234 AM PDT Sat Aug 22 2026

TODAY
S wind 10 to 15 kt, rising to 15 to 20 kt this afternoon. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds and W 3 ft at 8 seconds.

TONIGHT
S wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds and W 3 ft at 8 seconds.

SUN
W wind around 5 kt, veering to NW in the afternoon. Seas around 3 ft. Wave Detail: S 2 ft at 5 seconds and W 3 ft at 8 seconds.

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

MON
N wind 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 6 seconds.

MON NIGHT
NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 6 seconds.

TUE
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at 17 seconds.

TUE NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at 16 seconds.

WED
SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and W 2 ft at 15 seconds. A chance of showers in the afternoon.

WED NIGHT
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 8 seconds and W 2 ft at 14 seconds.


PZZ170-222245
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
234 AM PDT Sat Aug 22 2026

TODAY
SE wind 10 to 15 kt. Seas around 4 ft. Wave Detail: SE 3 ft at 5 seconds, W 3 ft at 9 seconds and S 2 ft at 14 seconds.

TONIGHT
SE wind 5 to 10 kt, becoming W after midnight. Seas 3 to 4 ft. Wave Detail: SE 2 ft at 6 seconds, W 3 ft at 8 seconds and S 2 ft at 14 seconds.

SUN
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 5 seconds, W 3 ft at 8 seconds and S 2 ft at 14 seconds.

SUN NIGHT
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 8 seconds and S 2 ft at 14 seconds.

MON
N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 5 seconds and S 2 ft at 16 seconds.

MON NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and S 2 ft at 16 seconds.

TUE
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and S 2 ft at 16 seconds.

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

WED
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 7 seconds and W 3 ft at 14 seconds. A chance of showers.

WED NIGHT
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 8 seconds and W 3 ft at 14 seconds.


PZZ173-222245
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
234 AM PDT Sat Aug 22 2026

TODAY
SE wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: SE 3 ft at 5 seconds, NW 4 ft at 8 seconds and S 2 ft at 14 seconds.

TONIGHT
SE wind 5 to 10 kt, veering to NW after midnight. Seas 4 to 5 ft. Wave Detail: SE 3 ft at 6 seconds, W 3 ft at 8 seconds and SW 2 ft at 14 seconds.

SUN
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 5 seconds, NW 4 ft at 7 seconds and SW 2 ft at 14 seconds.

SUN NIGHT
N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and S 2 ft at 14 seconds.

MON
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 5 ft at 6 seconds and S 2 ft at 16 seconds.

MON NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and S 2 ft at 16 seconds.

TUE
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 16 seconds.

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

WED
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 6 seconds and W 2 ft at 14 seconds. A chance of showers in the morning.

WED NIGHT
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 8 seconds and SW 2 ft at 14 seconds. A chance of showers in the evening.


PZZ176-222245
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
234 AM PDT Sat Aug 22 2026

TODAY
S wind 10 to 15 kt, rising to 15 to 20 kt late this morning and early afternoon, easing to 10 to 15 kt late. Seas 4 to 5 ft. Wave Detail: SE 4 ft at 5 seconds, NW 4 ft at 8 seconds and SW 2 ft at 14 seconds.

TONIGHT
S wind 5 to 10 kt, veering to W after midnight. Seas 4 to 5 ft. Wave Detail: S 3 ft at 5 seconds, NW 3 ft at 8 seconds and SW 2 ft at 14 seconds.

SUN
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 5 seconds, NW 4 ft at 7 seconds and SW 2 ft at 14 seconds.

SUN 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.

MON
N wind 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and S 2 ft at 16 seconds.

MON NIGHT
N wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: N 7 ft at 6 seconds and SW 2 ft at 16 seconds.

TUE
NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and S 2 ft at 16 seconds.

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

WED
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and W 2 ft at 14 seconds. A chance of showers in the morning.

WED NIGHT
W wind around 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and SW 2 ft at 14 seconds.


PZZ130-222245
West Entrance U.S. Waters Strait Of Juan De Fuca
234 AM PDT Sat Aug 22 2026

TODAY
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 3 ft at 8 seconds. A slight chance of showers late this morning and afternoon.

TONIGHT
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 2 ft at 8 seconds.

SUN
W wind 5 to 10 kt. Seas around 2 ft or less. Wave Detail: W 2 ft at 8 seconds.

SUN NIGHT
W wind 5 to 10 kt. Seas around 2 ft or less. Wave Detail: W 2 ft at 7 seconds.

MON
N wind around 5 kt. Seas around 2 ft or less. Wave Detail: W 2 ft at 6 seconds.

MON NIGHT
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft at 6 seconds.

TUE
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds.

TUE NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas around 3 ft. Wave Detail: W 3 ft at 6 seconds.

WED
SW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft at 6 seconds. A chance of showers.

WED NIGHT
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds. A chance of showers.


PZZ131-222245
Central U.S. Waters Strait Of Juan De Fuca
234 AM PDT Sat Aug 22 2026

TODAY
W wind 15 to 20 kt, easing to 10 to 15 kt this morning, rising to 15 to 20 kt this afternoon. Waves 3 to 4 ft. A chance of showers late this morning and afternoon.

TONIGHT
W wind 15 to 20 kt. Waves around 3 ft.

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

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

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

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

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

TUE NIGHT
W wind 15 to 20 kt. Waves 3 to 4 ft.

WED
W wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Waves 3 to 4 ft. A chance of showers in the afternoon.

WED NIGHT
W wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Waves 3 to 4 ft. A chance of showers in the evening.


PZZ132-222245
East Entrance U.S. Waters Strait Of Juan De Fuca
234 AM PDT Sat Aug 22 2026

TODAY
SW wind 10 to 15 kt, easing to 5 to 10 kt late this morning and early afternoon, rising to 10 to 15 kt late. Waves around 3 ft this morning, then around 2 ft or less. A chance of showers late this morning and afternoon.

TONIGHT
SW wind 10 to 15 kt. Waves around 3 ft in the evening, then around 2 ft or less. A chance of showers.

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

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

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

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

WED
SW wind 10 to 15 kt. Waves 3 to 4 ft. A chance of showers in the afternoon.

WED NIGHT
W wind 10 to 15 kt. Waves around 3 ft. A chance of showers.


PZZ134-222245
Admiralty Inlet
234 AM PDT Sat Aug 22 2026

TODAY
S wind 5 to 10 kt, veering to NW this afternoon. Waves around 2 ft or less. A chance of showers late this morning and early afternoon. A slight chance of showers late.

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

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

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

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

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

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

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

WED
S wind 5 to 10 kt, veering to SW in the afternoon. Waves around 2 ft or less. A chance of showers in the afternoon.

WED NIGHT
NW wind 5 to 10 kt, backing to SW after midnight. Waves around 2 ft or less. A chance of showers.


PZZ133-222245
Northern Inland Waters Including The San Juan Islands
234 AM PDT Sat Aug 22 2026

TODAY
S wind 10 to 15 kt. Waves around 2 ft or less. A chance of showers with a slight chance of tstms late this morning and early afternoon. A chance of showers late.

TONIGHT
S wind 5 to 10 kt. Waves around 2 ft or less. A chance of showers.

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

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

MON
N wind around 5 kt, backing 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
Light and variable winds, becoming W around 5 kt in the afternoon. Waves around 2 ft or less.

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

WED
S wind 10 to 15 kt. Waves around 2 ft or less. A chance of showers in the afternoon.

WED NIGHT
SW wind 5 to 10 kt. Waves around 2 ft or less. A chance of showers.

Winds and waves higher in and near tstms.


PZZ135-222245
Puget Sound and Hood Canal
234 AM PDT Sat Aug 22 2026

TODAY
SW wind 10 to 15 kt. Waves around 2 ft or less. A slight chance of showers early this afternoon.

TONIGHT
SW wind 10 to 15 kt, becoming S around 5 kt after midnight. Waves around 2 ft or less.

SUN
Variable wind less than 10 kt. Waves less than 1 ft.

SUN NIGHT
N wind 5 to 10 kt. Waves 1 ft or less.

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

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

TUE
Light and variable winds, becoming N around 5 kt in the afternoon. Waves less than 1 ft.

TUE NIGHT
NW wind 5 to 10 kt, backing to SW after midnight. Waves 1 ft or less.

WED
S wind 5 to 10 kt. Waves 1 ft or less. A chance of showers in the afternoon.

WED NIGHT
NW wind 5 to 10 kt, backing to S after midnight. Waves 1 ft or less. A chance of showers.


PZZ110-222245
Grays Harbor Bar
234 AM PDT Sat Aug 22 2026

Combined seas 2 to 4 ft. Bar conditions light. Maximum ebb currents will occur around 115 PM today and 145 AM and 215 PM Sunday.