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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 302117
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
217 PM PDT Thu Jul 30 2026

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

PZZ100-311030
217 PM PDT Thu Jul 30 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...High pressure will remain over the waters through Friday. Another weak system will reach the waters Friday night and Saturday. High pressure will rebuild over the coastal waters Sunday and remain in place through Monday.

PZZ150-311030
Coastal Waters From Cape Flattery To James Island Out 10 Nm
217 PM PDT Thu Jul 30 2026

TONIGHT
SE wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds.

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

FRI NIGHT
S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds. A chance of rain after midnight.

SAT
SW wind 10 to 15 kt. Seas around 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 14 seconds. Rain.

SAT NIGHT
SW wind 5 to 10 kt, becoming W after midnight. Seas around 4 ft. Wave Detail: SW 4 ft at 8 seconds. A chance of rain in the evening.

SUN
NW wind around 5 kt, rising to 5 to 10 kt in the afternoon. Seas around 4 ft. Wave Detail: W 4 ft at 8 seconds.

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

MON
NE wind around 5 kt, backing to NW in the afternoon. Seas around 4 ft. Wave Detail: W 4 ft at 7 seconds.

MON NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: N 2 ft at 4 seconds and W 4 ft at 7 seconds.

TUE
N wind around 5 kt, backing to NW in the afternoon. Seas around 4 ft. Wave Detail: W 4 ft at 7 seconds.

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

PZZ153-311030
Coastal Waters From James Island To Point Grenville Out 10 Nm
217 PM PDT Thu Jul 30 2026

TONIGHT
SW wind around 5 kt early this evening, becoming light and variable, then becoming SE around 5 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds.

FRI
SE wind around 5 kt, veering to SW around 5 kt in the afternoon. Seas around 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds.

FRI NIGHT
W wind around 5 kt, backing to S after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds. Rain likely after midnight.

SAT
SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 14 seconds. Rain, mainly in the morning.

SAT NIGHT
SW wind 5 to 10 kt, becoming W after midnight. Seas around 4 ft. Wave Detail: W 4 ft at 7 seconds. A chance of rain in the evening.

SUN
N wind around 5 kt, backing to NW 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 8 seconds.

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

MON
N wind 5 to 10 kt, backing to NW in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds.

MON NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds.

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

TUE NIGHT
NW wind 10 to 15 kt. Seas around 2 ft or less.

PZZ156-311030
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
217 PM PDT Thu Jul 30 2026

TONIGHT
W wind around 5 kt, backing to SE after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds.

FRI
SE wind around 5 kt, veering to W in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds.

FRI NIGHT
W wind 5 to 10 kt, backing to SW after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds. A chance of rain after midnight.

SAT
W wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 14 seconds. Rain in the morning.

SAT NIGHT
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 7 seconds.

SUN
NW wind around 5 kt, rising to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 8 seconds.

SUN NIGHT
NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: NW 5 ft at 5 seconds and W 6 ft at 8 seconds.

MON
N wind 10 to 15 kt. Seas 4 to 6 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: NW 4 ft at 7 seconds.

MON NIGHT
NW wind 15 to 20 kt, becoming N 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: N 4 ft at 4 seconds and NW 5 ft at 7 seconds.

TUE
N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds.

TUE NIGHT
NW wind 15 to 20 kt. Seas around 2 ft or less.

PZZ170-311030
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
217 PM PDT Thu Jul 30 2026

TONIGHT
S wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at 9 seconds and SW 3 ft at 15 seconds.

FRI
S wind 5 to 10 kt. Seas around 5 ft. Wave Detail: SW 4 ft at 8 seconds and SW 3 ft at 15 seconds.

FRI NIGHT
S wind 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 4 to 5 ft. Wave Detail: W 4 ft at 8 seconds and S 3 ft at 15 seconds. Rain likely after midnight.

SAT
W wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 2 ft at 3 seconds, W 4 ft at 8 seconds and S 2 ft at 14 seconds. Rain likely, mainly in the morning.

SAT NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 4 to 5 ft. Wave Detail: SW 4 ft at 7 seconds and S 2 ft at 14 seconds.

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

SUN NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 14 seconds.

MON
N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at 13 seconds.

MON NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N 4 ft at 4 seconds and W 5 ft at 7 seconds.

TUE
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N 3 ft at 4 seconds and NW 5 ft at 7 seconds.

TUE NIGHT
NW wind 15 to 20 kt. Seas around 2 ft or less.

PZZ173-311030
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
217 PM PDT Thu Jul 30 2026

TONIGHT
S wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 9 seconds and SW 3 ft at 15 seconds.

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

FRI NIGHT
SW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 5 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds. A chance of rain after midnight.

SAT
W wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 2 ft at 4 seconds, W 5 ft at 7 seconds and S 2 ft at 14 seconds. A chance of rain.

SAT NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas around 5 ft. Wave Detail: SW 5 ft at 7 seconds and S 2 ft at 14 seconds.

SUN
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: N 3 ft at 4 seconds, W 5 ft at 8 seconds and S 2 ft at 14 seconds.

SUN NIGHT
NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds.

MON
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 13 seconds.

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

TUE
NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: N 3 ft at 4 seconds and NW 6 ft at 7 seconds.

TUE NIGHT
NW wind 15 to 20 kt. Seas around 2 ft or less.

PZZ176-311030
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
217 PM PDT Thu Jul 30 2026

TONIGHT
S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 3 ft at 15 seconds.

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

FRI NIGHT
SW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 5 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds. A chance of rain after midnight.

SAT
W wind around 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and S 2 ft at 14 seconds. A chance of rain in the morning.

SAT NIGHT
W wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 7 seconds and S 2 ft at 14 seconds.

SUN
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N 2 ft at 4 seconds, W 5 ft at 9 seconds and SW 2 ft at 14 seconds.

SUN NIGHT
NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 14 seconds.

MON
N wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds.

MON NIGHT
N wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 7 seconds.

TUE
NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: N 5 ft at 4 seconds and NW 6 ft at 7 seconds.

TUE NIGHT
NW wind 15 to 20 kt. Seas around 2 ft or less.

PZZ130-311030
West Entrance U.S. Waters Strait Of Juan De Fuca
217 PM PDT Thu Jul 30 2026

TONIGHT
W wind 5 to 10 kt, becoming NE after midnight, veering to SE late. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds.

FRI
SW wind around 5 kt, veering to W in the afternoon. Seas around 3 ft. Wave Detail: W 3 ft at 9 seconds.

FRI NIGHT
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds. Rain likely after midnight.

SAT
W wind 10 to 15 kt. Seas around 3 ft. Wave Detail: W 3 ft at 8 seconds. Rain.

SAT 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 8 seconds. Rain likely in the evening.

SUN
W wind around 5 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds.

SUN NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds.

MON
NE wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds.

MON NIGHT
NW wind 5 to 10 kt, becoming N after midnight. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds.

TUE
E wind around 5 kt, backing to N in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds.

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

PZZ131-311030
Central U.S. Waters Strait Of Juan De Fuca
217 PM PDT Thu Jul 30 2026

TONIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt late. Waves around 3 ft this evening, then around 2 ft or less.

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

FRI NIGHT
W wind 20 to 25 kt. Waves around 3 ft. A chance of rain after midnight.

SAT
SW wind 10 to 15 kt, becoming W 25 to 30 kt with gusts up to 40 kt in the afternoon. Waves 3 to 4 ft. Rain.

SAT NIGHT
W wind 25 to 35 kt. Waves 4 to 6 ft. A chance of rain in the evening.

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

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

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

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

PZZ132-311030
East Entrance U.S. Waters Strait Of Juan De Fuca
217 PM PDT Thu Jul 30 2026

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

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

FRI NIGHT
W wind 20 to 25 kt. Waves around 2 ft or less, then around 3 ft after midnight. A chance of rain after midnight.

SAT
S wind 5 to 10 kt, becoming W 25 to 30 kt in the afternoon. Waves around 2 ft or less, then 3 to 4 ft in the afternoon. Rain.

SAT NIGHT
W wind 25 to 35 kt. Waves 5 to 7 ft. A chance of rain in the evening.

SUN
W 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. Waves around 2 ft or less.

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

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

PZZ134-311030
Admiralty Inlet
217 PM PDT Thu Jul 30 2026

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

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

FRI NIGHT
NW wind 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Waves around 2 ft or less.

SAT
SE wind 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Waves around 2 ft or less. Rain in the afternoon.

SAT NIGHT
NW wind 10 to 15 kt, becoming W 5 to 10 kt after midnight. Waves around 3 ft in the evening, then around 2 ft or less. A chance of rain.

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

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

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

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

PZZ133-311030
Northern Inland Waters Including The San Juan Islands
217 PM PDT Thu Jul 30 2026

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

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

FRI NIGHT
SW wind 5 to 10 kt, backing to S after midnight. Waves around 2 ft or less. A chance of rain after midnight.

SAT
S wind 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Waves around 2 ft or less. Rain.

SAT NIGHT
W wind 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Waves around 2 ft or less. A chance of rain.

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

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

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

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

PZZ135-311030
Puget Sound and Hood Canal
217 PM PDT Thu Jul 30 2026

TONIGHT
NW wind 5 to 10 kt early this evening, easing to around 5 kt, veering to NE after midnight, becoming light and variable. 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 S after midnight. Waves around 2 ft or less.

SAT
S wind 10 to 15 kt, becoming SW 15 to 25 kt in the afternoon. Waves around 2 ft or less. A chance of rain.

SAT NIGHT
W wind 15 to 20 kt, becoming S 5 to 10 kt after midnight. Waves around 2 ft or less. A chance of rain.

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

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

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

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

TUE
N wind around 5 kt, rising to 5 to 10 kt in the afternoon. 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.

PZZ110-311030
Grays Harbor Bar
217 PM PDT Thu Jul 30 2026

Combined seas 2 to 4 feet. Bar conditions light. Maximum ebb currents will occur around 615 PM today, 615 AM Friday, and 645 PM Friday. The Friday morning ebb will be strong.