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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 010903
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
203 AM PDT Thu Oct 1 2026

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

PZZ100-012215
203 AM PDT Thu Oct 1 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...High pressure will remain over the coastal waters, with thermal low pressure building north along the coast this weekend.


PZZ150-012215
Coastal Waters From Cape Flattery To James Island Out 10 Nm
203 AM PDT Thu Oct 1 2026

TODAY
SE wind 5 to 10 kt, easing to around 5 kt this afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 10 seconds and SW 2 ft at 15 seconds. A slight chance of rain early this afternoon. A chance of rain late.

TONIGHT
S wind around 5 kt, rising to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 10 seconds and SW 2 ft at 15 seconds. A chance of rain after midnight.

FRI
S wind 5 to 10 kt. Seas around 4 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 14 seconds. A chance of rain in the morning.

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

SAT
NE wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N 2 ft at 3 seconds, W 3 ft at 8 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 4 seconds, W 3 ft at 8 seconds and SW 2 ft at 15 seconds.

SUN
N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds, W 3 ft at 8 seconds and SW 2 ft at 15 seconds.

SUN NIGHT
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 5 seconds, W 5 ft at 8 seconds and SW 2 ft at 15 seconds.

MON
W wind around 5 kt. Seas around 5 ft. Wave Detail: NW 3 ft at 6 seconds and W 5 ft at 9 seconds.

MON NIGHT
NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 2 ft at 5 seconds, W 5 ft at 11 seconds and SW 2 ft at 14 seconds.


PZZ153-012215
Coastal Waters From James Island To Point Grenville Out 10 Nm
203 AM PDT Thu Oct 1 2026

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

TONIGHT
S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.

FRI
S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds. A chance of rain in the morning.

FRI NIGHT
SW wind around 5 kt, veering to NE after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.

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

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

SUN
N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and W 2 ft at 8 seconds.

SUN NIGHT
N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and W 5 ft at 9 seconds.

MON
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and W 5 ft at 9 seconds.

MON NIGHT
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 2 ft at 5 seconds and W 5 ft at 11 seconds.


PZZ156-012215
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
203 AM PDT Thu Oct 1 2026

TODAY
SE wind 5 to 10 kt, becoming S this afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds.

TONIGHT
SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.

FRI
SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.

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

SAT
NE wind around 5 kt, becoming N 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds.

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

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

SUN NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and W 3 ft at 12 seconds.

MON
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 4 ft at 6 seconds and W 4 ft at 11 seconds.

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


PZZ170-012215
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
203 AM PDT Thu Oct 1 2026

TODAY
SE wind 5 to 10 kt, rising to 10 to 15 kt late this morning and afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds and SW 2 ft at 15 seconds. A slight chance of rain this morning, then a chance of rain this afternoon.

TONIGHT
S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 9 seconds and SW 2 ft at 15 seconds. A chance of rain after midnight.

FRI
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds. A chance of rain in the morning.

FRI NIGHT
SW wind around 5 kt, veering to NE after midnight. Seas 4 to 5 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds.

SAT
N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE 2 ft at 3 seconds, W 4 ft at 8 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at 4 seconds, NW 3 ft at 8 seconds and SW 2 ft at 15 seconds.

SUN
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 5 seconds, W 3 ft at 11 seconds and SW 2 ft at 15 seconds.

SUN NIGHT
NW wind around 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds, W 4 ft at 12 seconds and SW 2 ft at 15 seconds.

MON
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 6 seconds, W 4 ft at 11 seconds and SW 2 ft at 15 seconds.

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


PZZ173-012215
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
203 AM PDT Thu Oct 1 2026

TODAY
SE wind 5 to 10 kt, becoming S 10 to 15 kt late this morning and early afternoon, easing to 5 to 10 kt late. Seas around 5 ft. Wave Detail: W 5 ft at 10 seconds and SW 2 ft at 15 seconds. A slight chance of rain early this afternoon.

TONIGHT
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds.

FRI
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 9 seconds and SW 2 ft at 15 seconds.

FRI NIGHT
NW wind around 5 kt, veering to N after midnight. Seas 4 to 5 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 14 seconds.

SAT
N wind 5 to 10 kt. Seas around 4 ft. Wave Detail: N 2 ft at 3 seconds, W 4 ft at 8 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds, NW 3 ft at 8 seconds and SW 2 ft at 15 seconds.

SUN
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 5 seconds, W 3 ft at 11 seconds and SW 2 ft at 15 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 5 seconds, W 4 ft at 12 seconds and SW 2 ft at 15 seconds.

MON
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 6 seconds, W 5 ft at 11 seconds and SW 2 ft at 15 seconds.

MON NIGHT
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 4 ft at 5 seconds, W 5 ft at 11 seconds and SW 2 ft at 15 seconds.


PZZ176-012215
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
203 AM PDT Thu Oct 1 2026

TODAY
SE wind 5 to 10 kt, veering to S this afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 10 seconds and SW 2 ft at 15 seconds.

TONIGHT
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 9 seconds and SW 2 ft at 15 seconds.

FRI
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds.

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

SAT
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at 4 seconds, W 4 ft at 8 seconds and SW 2 ft at 16 seconds.

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

SUN
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 6 seconds, W 3 ft at 9 seconds and SW 2 ft at 15 seconds.

SUN NIGHT
N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds, W 3 ft at 12 seconds and SW 2 ft at 15 seconds.

MON
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 6 seconds, W 4 ft at 12 seconds and SW 2 ft at 15 seconds.

MON NIGHT
N wind around 10 kt. Seas 5 to 6 ft. Wave Detail: NW 4 ft at 5 seconds, W 4 ft at 11 seconds and SW 2 ft at 15 seconds.


PZZ130-012215
West Entrance U.S. Waters Strait Of Juan De Fuca
203 AM PDT Thu Oct 1 2026

TODAY
E wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 9 seconds. A slight chance of rain early this afternoon. A chance of rain late.

TONIGHT
SE wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft at 10 seconds. A chance of rain.

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

FRI NIGHT
NE wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 9 seconds. Patchy fog in the evening.

SAT
E wind around 5 kt. Seas around 3 ft. Wave Detail: W 2 ft at 8 seconds.

SAT NIGHT
NE wind around 5 kt. Seas around 2 ft or less. Wave Detail: W 2 ft at 8 seconds.

SUN
NE wind around 5 kt. Seas around 2 ft or less, then around 3 ft in the afternoon. Wave Detail: W 2 ft at 9 seconds.

SUN NIGHT
W wind around 5 kt, rising to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.

MON
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.

MON NIGHT
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 11 seconds.


PZZ131-012215
Central U.S. Waters Strait Of Juan De Fuca
203 AM PDT Thu Oct 1 2026

TODAY
E wind 5 to 10 kt, easing to around 5 kt late this morning and afternoon. Waves around 2 ft or less. A slight chance of rain late.

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

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

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

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

SAT NIGHT
E wind around 5 kt, veering to SE after midnight. Waves around 2 ft or less.

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

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

MON
W wind 10 to 15 kt. Waves around 2 ft or less.

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


PZZ132-012215
East Entrance U.S. Waters Strait Of Juan De Fuca
203 AM PDT Thu Oct 1 2026

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

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

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

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

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

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

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

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

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

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


PZZ134-012215
Admiralty Inlet
203 AM PDT Thu Oct 1 2026

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

TONIGHT
NW wind around 5 kt in the evening, becoming light and variable. Waves around 2 ft or less.

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

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

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

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

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

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

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

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


PZZ133-012215
Northern Inland Waters Including The San Juan Islands
203 AM PDT Thu Oct 1 2026

TODAY
Light and variable winds, becoming N around 5 kt this afternoon. Waves around 2 ft or less.

TONIGHT
N wind around 5 kt in the evening, becoming light and variable. Waves around 2 ft or less.

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

FRI NIGHT
NW 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.

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

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

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

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


PZZ135-012215
Puget Sound and Hood Canal
203 AM PDT Thu Oct 1 2026

TODAY
NE wind around 5 kt. Waves around 2 ft or less.

TONIGHT
N wind around 5 kt in the evening, becoming light and variable. Waves around 2 ft or less. Patchy dense fog after midnight.

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

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

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

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

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

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

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

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


PZZ110-012215
Grays Harbor Bar
203 AM PDT Thu Oct 1 2026

Combined seas 4 to 6 ft. Bar conditions light. Maximum ebb currents will occur around 815 AM Thursday, 830 PM Thursday, and 915 AM Friday. The Thursday evening ebb will be strong.