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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 312004
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
104 PM PDT Fri Jul 31 2026

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

PZZ100-010915
104 PM PDT Fri Jul 31 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...A weak frontal system will reach the waters tonight and Saturday. High pressure will rebuild over the coastal waters Sunday and remain in place into early next week as thermally induced low pressure expands northward across the interior.

PZZ150-010915
Coastal Waters From Cape Flattery To James Island Out 10 Nm
104 PM PDT Fri Jul 31 2026

TONIGHT
SW wind around 5 kt, rising to 10 to 15 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. Rain late.

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

SAT NIGHT
SW wind 5 to 10 kt, easing to around 5 kt after midnight. Seas 4 to 5 ft. Wave Detail: W 4 ft at 7 seconds.

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

SUN NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 5 to 6 ft. Wave Detail: NW 3 ft at 6 seconds and W 6 ft at 9 seconds.

MON
NE wind around 5 kt, backing to N 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds.

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

TUE
N wind around 5 kt, rising to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds.

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

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

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

PZZ153-010915
Coastal Waters From James Island To Point Grenville Out 10 Nm
104 PM PDT Fri Jul 31 2026

TONIGHT
W wind around 5 kt, backing to SW late this evening, 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. A slight chance of rain after midnight. Rain likely late.

SAT
W wind 5 to 10 kt. Seas 3 to 5 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, easing to around 5 kt after midnight. Seas 4 to 5 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: NW 2 ft at 5 seconds and W 5 ft at 9 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 4 ft at 5 seconds and W 6 ft at 9 seconds.

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

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

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

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

PZZ156-010915
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
104 PM PDT Fri Jul 31 2026

TONIGHT
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 late.

SAT
W wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 14 seconds. Rain likely 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 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 9 seconds.

SUN NIGHT
NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: NW 6 ft at 6 seconds and W 6 ft at 9 seconds.

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

TUE NIGHT
NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: N 3 ft at 5 seconds and NW 7 ft at 8 seconds.

WED
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: N 2 ft at 4 seconds and NW 6 ft at 8 seconds.

WED NIGHT
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: N 2 ft at 4 seconds and NW 7 ft at 8 seconds.

PZZ170-010915
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
104 PM PDT Fri Jul 31 2026

TONIGHT
SW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 5 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 15 seconds. A chance of rain late this evening. Rain likely after midnight.

SAT
W wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at 8 seconds and S 2 ft at 14 seconds. A chance of rain in the afternoon.

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

SUN
NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 4 ft at 5 seconds, W 5 ft at 9 seconds and SW 2 ft at 14 seconds.

SUN NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 14 seconds.

MON
N wind 10 to 15 kt. Seas 5 to 7 ft, subsiding to 4 to 5 ft in the afternoon. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 14 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 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 5 to 7 ft. Wave Detail: N 3 ft at 5 seconds and NW 7 ft at 8 seconds.

WED
NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: N 2 ft at 5 seconds and NW 7 ft at 8 seconds.

WED NIGHT
NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: N 3 ft at 5 seconds and NW 8 ft at 8 seconds.

PZZ173-010915
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
104 PM PDT Fri Jul 31 2026

TONIGHT
SW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 15 seconds. A chance of rain late this evening and overnight.

SAT
W wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 2 ft at 4 seconds, W 5 ft at 8 seconds and S 2 ft at 14 seconds.

SAT NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 5 to 6 ft. Wave Detail: NW 2 ft at 4 seconds, W 6 ft at 8 seconds and S 2 ft at 14 seconds.

SUN
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 4 ft at 5 seconds, W 6 ft at 9 seconds and SW 2 ft at 14 seconds.

SUN NIGHT
NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 6 ft at 6 seconds, W 6 ft at 9 seconds and SW 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.

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

TUE NIGHT
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 7 seconds.

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

WED NIGHT
NW wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: NW 3 ft at 5 seconds and NW 9 ft at 8 seconds.

PZZ176-010915
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
104 PM PDT Fri Jul 31 2026

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

SAT
W wind around 15 kt. Seas 4 to 6 ft. Wave Detail: NW 2 ft at 5 seconds, W 5 ft at 8 seconds and S 2 ft at 14 seconds. A chance of rain in the morning.

SAT NIGHT
W wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 2 ft at 4 seconds, W 6 ft at 8 seconds and SW 2 ft at 14 seconds.

SUN
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: N 4 ft at 5 seconds, W 6 ft at 9 seconds and SW 2 ft at 14 seconds.

SUN NIGHT
NW wind 15 to 20 kt. Seas 5 to 7 ft, building to 7 to 8 ft after midnight. Wave Detail: NW 6 ft at 7 seconds and W 5 ft at 8 seconds.

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

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

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

TUE NIGHT
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave Detail: NW 7 ft at 5 seconds and NW 8 ft at 8 seconds.

WED
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave Detail: N 2 ft at 5 seconds and NW 8 ft at 8 seconds.

WED NIGHT
NW wind 15 to 20 kt. Seas 8 to 10 ft. Wave Detail: NW 3 ft at 5 seconds and NW 9 ft at 8 seconds.

PZZ130-010915
West Entrance U.S. Waters Strait Of Juan De Fuca
104 PM PDT Fri Jul 31 2026

TONIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt late this evening and early morning, backing to SW late. Seas around 3 ft. Wave Detail: W 3 ft at 8 seconds. A chance of rain after midnight. Rain late.

SAT
W wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds. Rain, mainly in the morning.

SAT NIGHT
W wind 10 to 15 kt, becoming SW around 5 kt after midnight. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds. A chance of rain 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 4 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 4 ft at 8 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
NE wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds.

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

WED
S wind around 5 kt, veering to W around 5 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds.

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

PZZ131-010915
Central U.S. Waters Strait Of Juan De Fuca
104 PM PDT Fri Jul 31 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM PDT THIS AFTERNOON THROUGH SATURDAY EVENING

TONIGHT
W wind 20 to 25 kt, easing to 10 to 15 kt late. Waves 3 to 5 ft. A chance of rain late.

SAT
W wind 20 to 25 kt, rising to 25 to 30 kt. Waves around 2 ft or less, then 4 to 6 ft in the afternoon. Rain in the morning.

SAT NIGHT
W wind 20 to 25 kt with gusts up to 35 kt, easing to 10 to 15 kt after midnight. Waves 4 to 6 ft, subsiding to 3 to 4 ft after midnight. 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. Waves around 3 ft.

MON
W 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.

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

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

PZZ132-010915
East Entrance U.S. Waters Strait Of Juan De Fuca
104 PM PDT Fri Jul 31 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM PDT THIS AFTERNOON THROUGH SATURDAY EVENING

TONIGHT
W wind 15 to 20 kt, becoming S 10 to 15 kt late. Waves 3 to 5 ft.

SAT
S wind 15 to 20 kt, becoming W 20 to 30 kt in the afternoon. Waves around 2 ft or less, then 3 to 5 ft in the afternoon. Rain likely, mainly in the morning.

SAT NIGHT
W wind 15 to 25 kt with gusts up to 35 kt, easing to 10 to 15 kt after midnight. Waves 5 to 7 ft, subsiding to 3 to 4 ft after midnight.

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 around 5 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.

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

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

PZZ134-010915
Admiralty Inlet
104 PM PDT Fri Jul 31 2026

TONIGHT
NW wind 5 to 10 kt, rising to 10 to 15 kt late this evening, then becoming W 5 to 10 kt after midnight, backing to S late. Waves around 2 ft or less.

SAT
S wind 10 to 15 kt, veering to NW in the afternoon. Waves around 2 ft or less. Rain.

SAT NIGHT
NW wind 5 to 10 kt, easing to around 5 kt after midnight. Waves 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 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 5 to 10 kt. 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.

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. Waves around 2 ft or less.

PZZ133-010915
Northern Inland Waters Including The San Juan Islands
104 PM PDT Fri Jul 31 2026

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

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

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

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

PZZ135-010915
Puget Sound and Hood Canal
104 PM PDT Fri Jul 31 2026

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY EVENING

TONIGHT
N wind 5 to 10 kt, backing to S after midnight, rising to 10 to 15 kt late. Waves around 2 ft or less.

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

SAT NIGHT
NW wind 10 to 15 kt north of Seattle. S wind 10 to 15 kt south of Seattle. Waves around 2 ft or less. A chance of rain.

SUN
S wind around 5 kt, veering to NW 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.

WED
N 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, becoming W after midnight. Waves around 2 ft or less.

PZZ110-010915
Grays Harbor Bar
104 PM PDT Fri Jul 31 2026

Combined seas 3 to 5 feet. Bar conditions light. Maximum ebb currents will occur around 645 PM Friday, 645 AM Saturday, and 715 PM Saturday.