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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 292030
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
130 PM PDT Sat Aug 29 2026

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

PZZ100-300930
130 PM PDT Sat Aug 29 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...Weak systems pass by to the north through Sunday and Monday, keeping high pressure well offshore and winds relatively light. A stronger low pressure is on track to move through the area waters late Tuesday into the middle of next week.

PZZ150-300930
Coastal Waters From Cape Flattery To James Island Out 10 Nm
130 PM PDT Sat Aug 29 2026

TONIGHT
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 18 seconds.

SUN
S wind around 5 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds and SW 2 ft at 17 seconds. A chance of rain.

SUN NIGHT
SW wind around 5 kt, veering to N after midnight. Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 seconds and SW 2 ft at 17 seconds. Patchy fog.

MON
NE wind around 5 kt, backing to NW in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 10 seconds and SW 2 ft at 15 seconds.

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

TUE
S wind around 5 kt, rising to 10 to 15 kt in the afternoon. 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 afternoon.

TUE NIGHT
S wind 15 to 20 kt, rising to 20 to 25 kt after midnight. Seas 4 to 5 ft, building to 6 to 9 ft after midnight. Wave Detail: S 9 ft at 8 seconds and W 3 ft at 9 seconds. Rain likely in the evening, then showers after midnight.

WED
S wind 20 to 25 kt. Seas 8 to 10 ft. Wave Detail: S 9 ft at 8 seconds and W 4 ft at 9 seconds. Rain in the morning, then showers in the afternoon.

WED NIGHT
S wind 10 to 15 kt. Seas 6 to 9 ft, subsiding to 6 to 7 ft after midnight. Wave Detail: S 7 ft at 9 seconds and W 4 ft at 11 seconds. Rain likely.

THU
SE wind 5 to 10 kt, veering to SW in the afternoon. Seas 5 to 7 ft. Wave Detail: S 4 ft at 8 seconds and W 5 ft at 10 seconds. A chance of rain.

THU NIGHT
NW wind around 5 kt, veering to E after midnight. Seas 5 to 6 ft. Wave Detail: W 5 ft at 9 seconds and S 3 ft at 10 seconds. A chance of rain.

PZZ153-300930
Coastal Waters From James Island To Point Grenville Out 10 Nm
130 PM PDT Sat Aug 29 2026

TONIGHT
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 7 seconds and SW 2 ft at 18 seconds.

SUN
S wind around 5 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 7 seconds and SW 2 ft at 17 seconds.

SUN NIGHT
NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds and SW 2 ft at 17 seconds.

MON
N wind around 5 kt, backing to NW in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 10 seconds and SW 2 ft at 15 seconds.

MON 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 15 seconds.

TUE
S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 14 seconds. A chance of showers in the afternoon.

TUE NIGHT
S wind 15 to 20 kt, rising to 20 to 25 kt with gusts up to 35 kt after midnight. Seas 4 to 5 ft, building to 5 to 8 ft after midnight. Wave Detail: S 8 ft at 7 seconds and W 5 ft at 8 seconds. Rain likely in the evening, then showers after midnight.

WED
S wind 20 to 25 kt. Seas 8 to 11 ft. Wave Detail: S 10 ft at 8 seconds and W 4 ft at 9 seconds. Rain in the morning, then showers in the afternoon.

WED NIGHT
S wind 10 to 15 kt. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: S 8 ft at 8 seconds and W 4 ft at 10 seconds. Rain.

THU
SE wind around 10 kt, veering to SW in the afternoon. Seas 5 to 7 ft. Wave Detail: S 5 ft at 8 seconds and W 5 ft at 10 seconds. A chance of rain.

THU NIGHT
NW wind around 5 kt, veering to NE after midnight. Seas 5 to 6 ft. Wave Detail: W 5 ft at 9 seconds and S 3 ft at 10 seconds. A chance of rain.

PZZ156-300930
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
130 PM PDT Sat Aug 29 2026

TONIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 18 seconds.

SUN
W wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 17 seconds.

SUN NIGHT
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds and SW 2 ft at 17 seconds.

MON
N wind around 5 kt, becoming NW 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 10 seconds and SW 2 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: NW 6 ft at 9 seconds and SW 2 ft at 15 seconds.

TUE
SW wind around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 9 seconds and SW 2 ft at 14 seconds. A chance of showers in the afternoon.

TUE NIGHT
S wind 15 to 20 kt, rising to 25 to 30 kt after midnight. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. Wave Detail: S 9 ft at 7 seconds and W 4 ft at 8 seconds. Rain likely in the evening, then showers after midnight.

WED
S wind 25 to 30 kt. Seas 9 to 13 ft. Wave Detail: SW 12 ft at 8 seconds and W 4 ft at 9 seconds. Showers.

WED NIGHT
S wind 15 to 20 kt. Seas 8 to 11 ft, subsiding to 6 to 8 ft after midnight. Wave Detail: SW 10 ft at 9 seconds and W 5 ft at 10 seconds. Showers in the evening, then rain likely after midnight.

THU
SE wind 10 to 15 kt, veering to SW in the afternoon. Seas 5 to 7 ft. Wave Detail: S 5 ft at 8 seconds and W 6 ft at 10 seconds. Rain likely, mainly in the morning.

THU NIGHT
NW wind 5 to 10 kt, veering to N after midnight. Seas 5 to 6 ft. Wave Detail: W 6 ft at 9 seconds and SW 3 ft at 11 seconds. A chance of rain.

PZZ170-300930
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
130 PM PDT Sat Aug 29 2026

TONIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt late. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and SW 2 ft at 17 seconds. A slight chance of rain late.

SUN
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 16 seconds. A chance of rain in the morning.

SUN NIGHT
NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 10 seconds and SW 2 ft at 17 seconds.

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

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

TUE
SW wind around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: SW 5 ft at 9 seconds and SW 2 ft at 14 seconds. A chance of rain in the afternoon.

TUE NIGHT
S wind 15 to 20 kt, rising to 20 to 25 kt after midnight. Seas 5 to 6 ft, building to 7 to 9 ft after midnight. Wave Detail: S 9 ft at 8 seconds and W 3 ft at 9 seconds. Rain.

WED
S wind 20 to 25 kt. Seas 8 to 11 ft. Wave Detail: S 9 ft at 8 seconds and W 6 ft at 9 seconds. Rain, mainly in the morning.

WED NIGHT
S wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: S 7 ft at 9 seconds and W 6 ft at 11 seconds. Rain likely.

THU
E wind around 10 kt, backing to NW in the afternoon. Seas 6 to 8 ft. Wave Detail: S 5 ft at 9 seconds and W 6 ft at 10 seconds. A chance of rain in the morning.

THU NIGHT
NW wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: W 6 ft at 9 seconds and S 3 ft at 10 seconds. A chance of rain.

PZZ173-300930
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
130 PM PDT Sat Aug 29 2026

TONIGHT
NW wind 10 to 15 kt, becoming W 5 to 10 kt late. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and SW 2 ft at 17 seconds.

SUN
W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 17 seconds. A chance of rain in the morning.

SUN NIGHT
NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 8 seconds and SW 2 ft at 17 seconds.

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

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

TUE
SW wind 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 9 seconds and SW 2 ft at 14 seconds. A chance of rain in the afternoon.

TUE NIGHT
S wind 15 to 20 kt, rising to 25 to 30 kt after midnight. Seas 5 to 6 ft, building to 7 to 9 ft after midnight. Wave Detail: S 9 ft at 8 seconds and W 8 ft at 9 seconds. Rain.

WED
S wind 20 to 25 kt. Seas 8 to 11 ft. Wave Detail: S 10 ft at 8 seconds and W 6 ft at 9 seconds. Rain, mainly in the morning.

WED NIGHT
S wind around 15 kt. Seas 8 to 9 ft. Wave Detail: S 7 ft at 9 seconds and W 6 ft at 11 seconds. Rain likely.

THU
E wind 10 to 15 kt, backing to NW in the afternoon. Seas 7 to 8 ft. Wave Detail: S 5 ft at 8 seconds and NW 6 ft at 10 seconds. A chance of rain.

THU NIGHT
NW wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: W 6 ft at 9 seconds and S 3 ft at 11 seconds. A chance of rain.

PZZ176-300930
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
130 PM PDT Sat Aug 29 2026

TONIGHT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 17 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 17 seconds.

SUN NIGHT
N wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and SW 2 ft at 17 seconds.

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

MON NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 6 to 7 ft. Wave Detail: NW 6 ft at 10 seconds and SW 2 ft at 15 seconds.

TUE
SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 6 ft. Wave Detail: W 5 ft at 9 seconds and SW 2 ft at 14 seconds. A chance of rain in the afternoon.

TUE NIGHT
S wind 15 to 20 kt, rising to 25 to 30 kt after midnight. Seas 5 to 6 ft, building to 7 to 9 ft after midnight. Wave Detail: SW 9 ft at 8 seconds and S 9 ft at 8 seconds. Rain likely in the evening, then rain after midnight.

WED
SW wind 25 to 30 kt. Seas 9 to 13 ft. Wave Detail: S 12 ft at 8 seconds and W 8 ft at 9 seconds. Rain.

WED NIGHT
SW wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: S 8 ft at 8 seconds and NW 7 ft at 11 seconds. Rain, mainly in the evening.

THU
S wind around 15 kt, veering to W in the afternoon. Seas 7 to 8 ft. Wave Detail: S 5 ft at 8 seconds and W 7 ft at 10 seconds. Rain likely, mainly in the morning.

THU NIGHT
NW wind 5 to 10 kt. Seas around 7 ft. Wave Detail: W 7 ft at 9 seconds and S 3 ft at 12 seconds. A chance of rain.

PZZ130-300930
West Entrance U.S. Waters Strait Of Juan De Fuca
130 PM PDT Sat Aug 29 2026

TONIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds. A slight chance of rain late.

SUN
SW wind 5 to 10 kt, backing to SE in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds. A chance of rain in the morning.

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

MON
NE wind around 5 kt, backing to NW in the afternoon. Seas around 3 ft. Wave Detail: W 3 ft at 10 seconds. Patchy fog in the afternoon.

MON NIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 10 seconds.

TUE
SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds. A chance of showers in the afternoon.

TUE NIGHT
S wind around 10 kt, becoming SE 15 to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: SE 3 ft at 5 seconds and SW 3 ft at 8 seconds. Rain likely in the evening, then showers after midnight.

WED
SE wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SE 3 ft at 5 seconds and W 4 ft at 9 seconds. Rain in the morning, then showers in the afternoon.

WED NIGHT
S wind 5 to 10 kt, backing to SE after midnight. Seas 3 to 5 ft. Wave Detail: SE 2 ft at 6 seconds and W 4 ft at 10 seconds. Rain likely.

THU
SE wind 5 to 10 kt, becoming S in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 10 seconds and SE 2 ft at 14 seconds. A chance of rain.

THU NIGHT
W wind around 5 kt, backing to SE after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 9 seconds. A chance of rain.

PZZ131-300930
Central U.S. Waters Strait Of Juan De Fuca
130 PM PDT Sat Aug 29 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM PDT SUNDAY

TONIGHT
W wind 15 to 25 kt, easing to 10 to 15 kt after midnight. Waves 3 to 4 ft.

SUN
SW wind 10 to 15 kt, becoming N 5 to 10 kt in the afternoon. Waves around 2 ft or less.

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

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

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

TUE
SW wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain in the afternoon.

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

WED
SE wind 15 to 20 kt. Waves 3 to 4 ft. Rain in the morning, then showers in the afternoon.

WED NIGHT
SW wind 5 to 10 kt. Waves around 3 ft in the evening, then around 2 ft or less. Rain likely, mainly in the evening.

THU
S wind around 5 kt, backing to E in the afternoon. Waves around 2 ft or less. A chance of rain.

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

PZZ132-300930
East Entrance U.S. Waters Strait Of Juan De Fuca
130 PM PDT Sat Aug 29 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM PDT SUNDAY

TONIGHT
W wind 15 to 25 kt, backing to SW 5 to 10 kt late. Waves around 3 ft.

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

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

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

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

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

TUE NIGHT
SW wind 5 to 10 kt, becoming SE 25 to 30 kt with gusts up to 40 kt after midnight. Waves around 2 ft or less. A chance of rain.

WED
SE wind 25 to 35 kt. Waves 4 to 6 ft. Rain likely.

WED NIGHT
SE wind 15 to 20 kt, easing to 5 to 10 kt after midnight. Waves 3 to 4 ft in the evening, then around 2 ft or less. Rain likely, mainly in the evening.

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

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

PZZ134-300930
Admiralty Inlet
130 PM PDT Sat Aug 29 2026

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

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

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

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

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

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

TUE NIGHT
SW wind 5 to 10 kt, becoming SE 20 to 25 kt with gusts up to 40 kt after midnight. Waves around 2 ft or less, then around 3 ft after midnight. A chance of rain after midnight.

WED
SE wind 20 to 25 kt. Waves around 3 ft. Rain likely.

WED NIGHT
SE wind 15 to 20 kt. Waves around 3 ft in the evening, then around 2 ft or less. Rain likely, mainly in the evening.

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

THU NIGHT
NW wind around 5 kt, backing to SW around 5 kt after midnight. Waves around 2 ft or less. A chance of rain in the evening.

PZZ133-300930
Northern Inland Waters Including The San Juan Islands
130 PM PDT Sat Aug 29 2026

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

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

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

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

TUE NIGHT
S wind 5 to 10 kt, becoming SE 20 to 25 kt with gusts up to 35 kt after midnight. Waves around 2 ft or less. A chance of rain.

WED
SE wind 20 to 25 kt. Waves 3 to 4 ft. Rain likely.

WED NIGHT
SE wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Waves 3 to 4 ft in the evening, then around 2 ft or less. Rain likely, mainly in the evening.

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

THU NIGHT
S wind around 5 kt. Waves around 2 ft or less. A chance of rain.

PZZ135-300930
Puget Sound and Hood Canal
130 PM PDT Sat Aug 29 2026

TONIGHT
NW wind 5 to 10 kt, backing to SE late this evening and early morning, then becoming S late. Waves around 2 ft or less.

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

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

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

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

TUE
S wind around 5 kt, rising to 10 to 15 kt in the afternoon. Waves around 2 ft or less. A chance of showers in the afternoon.

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

WED
S wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Waves around 2 ft or less. Rain likely in the morning, then showers in the afternoon.

WED NIGHT
S wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Waves around 2 ft or less. Rain, mainly in the evening.

THU
S wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain in the morning, then rain likely in the afternoon.

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

PZZ110-300930
Grays Harbor Bar
130 PM PDT Sat Aug 29 2026

Combined seas 3 to 5 ft. Bar conditions light. Maximum ebb currents will occur around 615 PM Saturday, 615 AM Sunday, and 645 PM Sunday.