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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 082028
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
128 PM PDT Tue Sep 8 2026

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

PZZ100-090930
128 PM PDT Tue Sep 8 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...High pressure will build over the waters and strengthen through the middle of the week. High pressure then retreats west of area waters as the next frontal system moves over the area Thursday into Friday.

PZZ150-090930
Coastal Waters From Cape Flattery To James Island Out 10 Nm
128 PM PDT Tue Sep 8 2026

TONIGHT
NW wind 5 to 10 kt, becoming N late this evening and overnight. Seas 4 to 5 ft. Wave Detail: W 4 ft at 7 seconds, W 3 ft at 14 seconds and SW 2 ft at 14 seconds.

WED
N wind around 5 kt, backing to NW in the afternoon. Seas 4 to 5 ft. Wave Detail: W 4 ft at 7 seconds, W 4 ft at 13 seconds and SW 2 ft at 14 seconds.

WED NIGHT
NW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 5 ft, building to 5 to 7 ft after midnight. Wave Detail: NW 2 ft at 5 seconds and NW 7 ft at 8 seconds.

THU
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds and SW 2 ft at 18 seconds.

THU NIGHT
NW wind 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 6 to 8 ft. Wave Detail: W 8 ft at 9 seconds and SW 2 ft at 18 seconds.

FRI
SW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 9 seconds and SW 2 ft at 17 seconds.

FRI NIGHT
NW wind around 5 kt, veering to NE after midnight. Seas 4 to 5 ft. Wave Detail: W 4 ft at 10 seconds and SW 2 ft at 17 seconds.

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

SAT NIGHT
NW wind 5 to 10 kt, becoming W after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds.

SUN
S wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 14 seconds.

SUN NIGHT
W wind around 5 kt. Seas around 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 14 seconds.

PZZ153-090930
Coastal Waters From James Island To Point Grenville Out 10 Nm
128 PM PDT Tue Sep 8 2026

TONIGHT
NW wind 10 to 15 kt, becoming N 5 to 10 kt late this evening and overnight. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and W 3 ft at 15 seconds.

WED
N wind around 5 kt, backing to NW in the afternoon. Seas 4 to 5 ft. Wave Detail: W 4 ft at 7 seconds and W 4 ft at 12 seconds.

WED NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and W 3 ft at 12 seconds.

THU
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 2 ft at 7 seconds, NW 7 ft at 9 seconds and SW 2 ft at 18 seconds.

THU NIGHT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at 9 seconds and SW 2 ft at 18 seconds.

FRI
W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 9 seconds and SW 2 ft at 17 seconds.

FRI NIGHT
NW wind around 5 kt, veering to N after midnight. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds and SW 2 ft at 17 seconds.

SAT
NE wind around 5 kt, backing to NW in the afternoon. Seas 4 to 5 ft. Wave Detail: W 4 ft at 10 seconds and SW 2 ft at 15 seconds.

SAT NIGHT
NW wind 5 to 10 kt, easing to around 5 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds.

SUN
S wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 14 seconds.

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

PZZ156-090930
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
128 PM PDT Tue Sep 8 2026

TONIGHT
N 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 W 2 ft at 15 seconds.

WED
N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and W 3 ft at 14 seconds.

WED NIGHT
NW wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 7 seconds and W 4 ft at 12 seconds.

THU
NW wind 15 to 20 kt. Seas 6 to 9 ft, subsiding to 6 to 7 ft in the afternoon. Wave Detail: N 2 ft at 7 seconds and NW 8 ft at 8 seconds.

THU NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 9 seconds and SW 2 ft at 17 seconds.

FRI
W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 9 seconds and SW 2 ft at 17 seconds.

FRI NIGHT
W wind around 5 kt, veering to N after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 10 seconds and SW 2 ft at 16 seconds. A chance of rain after midnight.

SAT
NE wind around 5 kt, backing to W in the afternoon. Seas 4 to 5 ft. Wave Detail: W 4 ft at 10 seconds and SW 2 ft at 15 seconds. A chance of rain.

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

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

SUN NIGHT
NW 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.

PZZ170-090930
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
128 PM PDT Tue Sep 8 2026

TONIGHT
NW wind 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 5 to 6 ft. Wave Detail: NE 2 ft at 4 seconds, NW 5 ft at 7 seconds and W 3 ft at 14 seconds.

WED
N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 9 seconds, W 5 ft at 12 seconds and S 2 ft at 14 seconds.

WED NIGHT
NW wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 7 seconds and S 2 ft at 13 seconds.

THU
NW wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 8 to 11 ft. Wave Detail: NW 3 ft at 5 seconds, NW 10 ft at 9 seconds and S 2 ft at 13 seconds.

THU NIGHT
NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 8 to 11 ft. Wave Detail: NW 10 ft at 7 seconds and SW 2 ft at 18 seconds.

FRI
NW wind 15 to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 9 seconds and SW 2 ft at 17 seconds.

FRI NIGHT
NW wind around 5 kt, veering to NE after midnight. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 10 seconds and SW 2 ft at 16 seconds.

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

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

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

SUN NIGHT
NW 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.

PZZ173-090930
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
128 PM PDT Tue Sep 8 2026

TONIGHT
N wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: N 5 ft at 6 seconds, W 3 ft at 14 seconds and S 2 ft at 14 seconds.

WED
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: N 3 ft at 5 seconds, NW 6 ft at 7 seconds and W 4 ft at 13 seconds.

WED NIGHT
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave Detail: NW 7 ft at 7 seconds, W 3 ft at 12 seconds and S 2 ft at 13 seconds.

THU
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail: NW 10 ft at 8 seconds, S 2 ft at 13 seconds and SW 2 ft at 18 seconds.

THU NIGHT
NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 8 to 11 ft. Wave Detail: N 2 ft at 6 seconds, NW 10 ft at 9 seconds and S 2 ft at 12 seconds.

FRI
NW wind 15 to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 7 to 9 ft, subsiding to 6 to 7 ft in the afternoon. Wave Detail: NW 8 ft at 9 seconds and SW 2 ft at 17 seconds.

FRI NIGHT
NW wind around 5 kt, veering to NE after midnight. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 10 seconds, S 2 ft at 11 seconds and SW 2 ft at 16 seconds. A chance of rain.

SAT
N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: N 2 ft at 4 seconds, NW 5 ft at 10 seconds and S 2 ft at 10 seconds. A chance of rain in the morning.

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

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

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

PZZ176-090930
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
128 PM PDT Tue Sep 8 2026

TONIGHT
N wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds, W 3 ft at 14 seconds and SW 2 ft at 14 seconds.

WED
N wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds, W 4 ft at 13 seconds and S 2 ft at 13 seconds.

WED NIGHT
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave Detail: N 6 ft at 6 seconds, NW 7 ft at 9 seconds and W 4 ft at 12 seconds.

THU
NW wind 15 to 20 kt. Seas 8 to 9 ft. Wave Detail: NW 9 ft at 8 seconds and SW 2 ft at 18 seconds.

THU NIGHT
NW wind 15 to 20 kt. Seas 8 to 10 ft. Wave Detail: NW 9 ft at 9 seconds and SW 2 ft at 17 seconds.

FRI
NW wind 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 7 to 9 ft, subsiding to 6 to 7 ft in the afternoon. Wave Detail: NW 8 ft at 9 seconds and SW 2 ft at 17 seconds.

FRI NIGHT
NW wind around 5 kt, veering to N after midnight. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 10 seconds and SW 2 ft at 16 seconds. A chance of rain.

SAT
N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 10 seconds and SW 2 ft at 15 seconds. A chance of rain in the morning.

SAT NIGHT
NW wind around 10 kt. Seas 5 to 6 ft. Wave Detail: N 2 ft at 5 seconds, NW 5 ft at 9 seconds and SW 2 ft at 15 seconds.

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

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

PZZ130-090930
West Entrance U.S. Waters Strait Of Juan De Fuca
128 PM PDT Tue Sep 8 2026

TONIGHT
W wind around 5 kt, backing to E after midnight. Seas 3 to 4 ft. Wave Detail: W 3 ft at 10 seconds and W 3 ft at 14 seconds.

WED
E wind around 5 kt, backing to NW in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds and W 4 ft at 12 seconds.

WED NIGHT
W wind 5 to 10 kt, rising to 15 to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 5 ft at 9 seconds.

THU
W wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 9 seconds.

THU NIGHT
W wind 5 to 10 kt, backing to SW after midnight. Seas 3 to 5 ft. Wave Detail: W 5 ft at 9 seconds.

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

FRI NIGHT
NW wind around 5 kt, veering to NE after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 10 seconds.

SAT
NE wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 10 seconds. A chance of rain in the morning.

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

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

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

PZZ131-090930
Central U.S. Waters Strait Of Juan De Fuca
128 PM PDT Tue Sep 8 2026

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

WED
E wind around 5 kt, backing to NE in the afternoon. Waves around 2 ft or less.

WED NIGHT
W wind 10 to 15 kt, rising to 20 to 25 kt after midnight. Waves around 2 ft or less, then 3 to 5 ft after midnight.

THU
W wind 20 to 25 kt, easing to 10 to 15 kt in the afternoon. Waves 4 to 6 ft.

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

FRI
S wind around 5 kt, backing to E in the afternoon. Waves around 3 ft in the morning, then around 2 ft or less.

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

SAT
NE wind around 5 kt, backing to N in the afternoon. Waves around 2 ft or less. A chance of rain.

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

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

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

PZZ132-090930
East Entrance U.S. Waters Strait Of Juan De Fuca
128 PM PDT Tue Sep 8 2026

TONIGHT
W 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, rising to 15 to 20 kt after midnight. Waves around 2 ft or less, then 3 to 4 ft after midnight.

THU
W wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Waves 3 to 5 ft.

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

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

FRI NIGHT
NW wind around 5 kt. Waves around 2 ft or less. A chance of rain after midnight.

SAT
NW wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain.

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

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

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

PZZ134-090930
Admiralty Inlet
128 PM PDT Tue Sep 8 2026

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

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

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

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

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

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

FRI NIGHT
NW wind around 5 kt. Waves around 2 ft or less. A chance of rain after midnight.

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

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

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

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

PZZ133-090930
Northern Inland Waters Including The San Juan Islands
128 PM PDT Tue Sep 8 2026

TONIGHT
W wind around 5 kt this evening, becoming light and variable, then becoming NW around 5 kt late. Waves around 2 ft or less.

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

WED NIGHT
SW wind around 5 kt, rising to 5 to 10 kt after midnight. Waves around 2 ft or less.

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

THU NIGHT
SW wind around 5 kt. Waves around 2 ft or less.

FRI
S wind 5 to 10 kt. 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. A chance of rain in the morning.

SAT NIGHT
W wind 5 to 10 kt, becoming S after midnight. 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.

PZZ135-090930
Puget Sound and Hood Canal
128 PM PDT Tue Sep 8 2026

TONIGHT
N wind 5 to 10 kt, easing to around 5 kt late. 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
N wind around 5 kt. Waves around 2 ft or less.

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

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

FRI
S wind 5 to 10 kt. 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
N wind around 5 kt, rising to 5 to 10 kt in the afternoon. Waves around 2 ft or less. A chance of rain.

SAT NIGHT
SW wind around 5 kt. Waves around 2 ft or less. A chance of rain in the evening.

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

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

PZZ110-090930
Grays Harbor Bar
128 PM PDT Tue Sep 8 2026

Combined seas 3 to 5 ft. Bar conditions light. Maximum ebb currents will occur around 330 PM Tuesday, 330 AM Wednesday, and 415 PM Wednesday. The Wednesday morning ebb will be strong.