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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 130832
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
132 AM PDT Thu Aug 13 2026

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

PZZ100-132145
132 AM PDT Thu Aug 13 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...High pressure offshore with lower pressure inland will keep the pattern onshore through the week. Expect the higher pressure to move south this weekend with pressure gradients weakening. Diurnal pushes of west winds through the Strait of Juan de Fuca will continue.


PZZ150-132145
Coastal Waters From Cape Flattery To James Island Out 10 Nm
132 AM PDT Thu Aug 13 2026

TODAY
S wind around 5 kt, veering to W around 5 kt late. Seas around 4 ft. Wave Detail: W 4 ft at 7 seconds.

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

FRI
SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds and SW 2 ft at 15 seconds.

FRI NIGHT
SW wind around 5 kt. Seas around 3 ft. Wave Detail: W 2 ft at 7 seconds, W 2 ft at 10 seconds and SW 2 ft at 15 seconds.

SAT
Light and variable winds, becoming SW around 5 kt in the afternoon. Seas around 3 ft. Wave Detail: W 2 ft at 10 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
NW wind around 5 kt. Seas around 3 ft. Wave Detail: NW 2 ft at 6 seconds, W 3 ft at 10 seconds and SW 2 ft at 17 seconds.

SUN
NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds, W 3 ft at 9 seconds and SW 2 ft at 16 seconds.

SUN NIGHT
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 5 seconds, W 2 ft at 9 seconds and SW 2 ft at 16 seconds.

MON
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds, W 2 ft at 9 seconds and SW 2 ft at 15 seconds.

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


PZZ153-132145
Coastal Waters From James Island To Point Grenville Out 10 Nm
132 AM PDT Thu Aug 13 2026

TODAY
SW wind around 5 kt, veering to W late. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds.

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

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

FRI NIGHT
W wind around 5 kt in the evening, becoming light and variable. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds, W 2 ft at 10 seconds and SW 2 ft at 16 seconds.

SAT
E wind around 5 kt, veering to W in the afternoon. Seas around 3 ft. Wave Detail: NW 2 ft at 7 seconds, W 3 ft at 10 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
NW wind around 5 kt. Seas around 3 ft. Wave Detail: NW 2 ft at 6 seconds, W 3 ft at 10 seconds and SW 2 ft at 17 seconds.

SUN
N wind around 5 kt, backing to NW in the afternoon. Seas 3 to 4 ft. Wave Detail: N 2 ft at 5 seconds, W 3 ft at 9 seconds and SW 2 ft at 17 seconds.

SUN NIGHT
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: N 3 ft at 5 seconds, W 3 ft at 9 seconds and SW 2 ft at 16 seconds.

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

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


PZZ156-132145
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
132 AM PDT Thu Aug 13 2026

TODAY
W wind around 5 kt, veering to NW late. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds.

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

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

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

SAT
Light and variable winds, becoming W around 5 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 7 seconds, W 3 ft at 10 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft at 6 seconds, W 3 ft at 10 seconds and SW 2 ft at 18 seconds.

SUN
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 6 seconds, W 3 ft at 9 seconds and SW 2 ft at 16 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds, W 3 ft at 9 seconds and SW 2 ft at 16 seconds.

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

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


PZZ170-132145
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
132 AM PDT Thu Aug 13 2026

TODAY
W wind 5 to 10 kt, becoming NW 10 to 15 kt late. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 16 seconds.

TONIGHT
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 7 seconds and SW 2 ft at 17 seconds.

FRI
SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds and SW 2 ft at 15 seconds.

FRI NIGHT
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 7 seconds, W 2 ft at 10 seconds and SW 2 ft at 15 seconds.

SAT
Light and variable winds, becoming SW around 5 kt in the afternoon. Seas around 3 ft. Wave Detail: NW 2 ft at 7 seconds, W 2 ft at 10 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: N 2 ft at 6 seconds, W 2 ft at 10 seconds and SW 2 ft at 18 seconds.

SUN
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at 5 seconds, W 2 ft at 9 seconds and SW 2 ft at 17 seconds.

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

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

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


PZZ173-132145
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
132 AM PDT Thu Aug 13 2026

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

TONIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and SW 2 ft at 16 seconds.

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

FRI NIGHT
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 7 seconds, W 3 ft at 10 seconds and SW 2 ft at 15 seconds.

SAT
SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft at 7 seconds, W 3 ft at 10 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at 6 seconds, W 3 ft at 10 seconds and SW 2 ft at 18 seconds.

SUN
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at 5 seconds, W 3 ft at 9 seconds and SW 2 ft at 17 seconds.

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

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

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


PZZ176-132145
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
132 AM PDT Thu Aug 13 2026

TODAY
NW wind 5 to 10 kt, rising to 10 to 15 kt late. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 16 seconds.

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

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

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

SAT
W wind around 5 kt. Seas around 4 ft. Wave Detail: NW 3 ft at 7 seconds, W 3 ft at 10 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds, W 3 ft at 10 seconds and SW 2 ft at 17 seconds.

SUN
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 6 seconds, W 3 ft at 9 seconds and SW 2 ft at 17 seconds.

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

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

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


PZZ130-132145
West Entrance U.S. Waters Strait Of Juan De Fuca
132 AM PDT Thu Aug 13 2026

TODAY
W wind around 5 kt, rising to 5 to 10 kt late. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds.

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

FRI
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 2 ft at 7 seconds.

FRI NIGHT
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 2 ft at 6 seconds.

SAT
W wind around 5 kt, rising to 5 to 10 kt in the afternoon. Seas around 3 ft in the morning, then around 2 ft or less. Wave Detail: W 2 ft at 10 seconds.

SAT NIGHT
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 2 ft at 10 seconds.

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

SUN NIGHT
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 2 ft at 5 seconds and W 2 ft at 10 seconds.

MON
W wind around 5 kt, rising to 5 to 10 kt in the afternoon. Seas around 3 ft. 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.


PZZ131-132145
Central U.S. Waters Strait Of Juan De Fuca
132 AM PDT Thu Aug 13 2026

TODAY
W wind 5 to 10 kt, easing to around 5 kt late this morning and early afternoon, rising to 5 to 10 kt late. Waves around 2 ft or less.

TONIGHT
W wind 10 to 15 kt. Waves around 2 ft or less, then around 3 ft after midnight.

FRI
W wind 10 to 15 kt. Waves around 3 ft in the morning, then around 2 ft or less.

FRI NIGHT
W wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Waves around 3 ft.

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

SUN NIGHT
W wind 10 to 15 kt. Waves around 2 ft or less, then around 3 ft after midnight.

MON
W wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Waves around 3 ft in the morning, then around 2 ft or less.

MON NIGHT
W wind 10 to 15 kt. Waves around 2 ft or less, then around 3 ft after midnight.


PZZ132-132145
East Entrance U.S. Waters Strait Of Juan De Fuca
132 AM PDT Thu Aug 13 2026

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

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

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

FRI NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Waves around 3 ft in the evening, then around 2 ft or less.

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

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

SUN
W wind 5 to 10 kt. 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
W 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.


PZZ134-132145
Admiralty Inlet
132 AM PDT Thu Aug 13 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.

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

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

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

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

MON
SW wind around 5 kt, veering 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.


PZZ133-132145
Northern Inland Waters Including The San Juan Islands
132 AM PDT Thu Aug 13 2026

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

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

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

SUN NIGHT
S wind around 5 kt. 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.


PZZ135-132145
Puget Sound and Hood Canal
132 AM PDT Thu Aug 13 2026

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

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

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

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

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

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

SUN
Light and variable winds, becoming W around 5 kt 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.

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

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


PZZ110-132145
Grays Harbor Bar
132 AM PDT Thu Aug 13 2026

Combined seas 2 to 4 ft. Bar conditions light. Maximum ebb currents will occur around 530 AM Thursday, 600 PM Thursday, and 615 AM Friday. The Thursday morning ebb will be very strong. The Friday morning ebb will be strong.