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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 160835
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
135 AM PDT Sun Aug 16 2026

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

PZZ100-162145
135 AM PDT Sun Aug 16 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...Onshore flow will continue to bring diurnal pushes of westerly winds through the Strait of Juan de Fuca, which will slowly ease through next week. High pressure will rebuild over the coastal waters from the north tonight and remain situated offshore the Pacific Northwest and strengthen going into next week.


PZZ150-162145
Coastal Waters From Cape Flattery To James Island Out 10 Nm
135 AM PDT Sun Aug 16 2026

TODAY
W wind around 5 kt, veering to NW late. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds, W 2 ft at 10 seconds and SW 2 ft at 15 seconds. Patchy dense fog after midnight.

TONIGHT
NW wind 5 to 10 kt, becoming W after midnight. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 6 seconds, W 2 ft at 9 seconds and SW 2 ft at 16 seconds. Patchy fog after midnight.

MON
Light and variable winds, becoming W around 5 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds and SW 2 ft at 15 seconds. Patchy fog in the morning.

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

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

TUE NIGHT
W wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 3 ft at 6 seconds, W 5 ft at 9 seconds and SW 2 ft at 14 seconds.

WED
S wind around 5 kt. Seas around 5 ft. Wave Detail: W 3 ft at 6 seconds, W 5 ft at 12 seconds and SW 2 ft at 14 seconds.

WED NIGHT
NW wind around 5 kt in the evening, becoming light and variable. Seas around 5 ft. Wave Detail: NW 2 ft at 6 seconds, W 5 ft at 12 seconds and SW 2 ft at 14 seconds. Patchy fog.

THU
SE wind around 5 kt, veering to SW in the afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 11 seconds and SW 2 ft at 15 seconds. Patchy fog in the morning.

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


PZZ153-162145
Coastal Waters From James Island To Point Grenville Out 10 Nm
135 AM PDT Sun Aug 16 2026

TODAY
N wind around 5 kt, backing to NW this afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds, W 2 ft at 10 seconds and SW 2 ft at 15 seconds. Patchy dense fog early this morning.

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

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

MON NIGHT
NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog after midnight.

TUE
SW wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 15 seconds.

TUE NIGHT
NW wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 8 seconds and SW 2 ft at 14 seconds. Patchy fog after midnight.

WED
SE wind around 5 kt, veering to SW in the afternoon. Seas 4 to 6 ft. Wave Detail: W 4 ft at 6 seconds, W 5 ft at 11 seconds and SW 2 ft at 14 seconds.

WED NIGHT
NW wind around 5 kt in the evening, becoming light and variable. Seas 5 to 6 ft. Wave Detail: NW 3 ft at 7 seconds, W 5 ft at 12 seconds and SW 2 ft at 14 seconds.

THU
E wind around 5 kt, veering to SW in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 11 seconds and SW 2 ft at 15 seconds.

THU NIGHT
NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds.


PZZ156-162145
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
135 AM PDT Sun Aug 16 2026

TODAY
NW wind around 5 kt, rising to 5 to 10 kt this afternoon. Seas 3 to 4 ft. Wave Detail: NW 2 ft at 5 seconds, W 3 ft at 9 seconds and SW 2 ft at 16 seconds.

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

MON
NW wind 5 to 10 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, easing to around 5 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds.

TUE
W wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 15 seconds.

TUE NIGHT
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 7 seconds, W 5 ft at 11 seconds and SW 2 ft at 14 seconds.

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

WED NIGHT
NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 3 ft at 7 seconds and W 5 ft at 12 seconds.

THU
Light and variable winds, becoming W around 5 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 11 seconds.

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


PZZ170-162145
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
135 AM PDT Sun Aug 16 2026

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

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

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

TUE
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 7 seconds, W 5 ft at 14 seconds and SW 2 ft at 15 seconds.

TUE NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 5 to 8 ft. Wave Detail: NW 6 ft at 6 seconds, W 4 ft at 12 seconds and SW 2 ft at 14 seconds.

WED
W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 7 seconds, W 5 ft at 12 seconds and SW 2 ft at 14 seconds.

WED NIGHT
NW wind 5 to 10 kt, easing to around 5 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 3 ft at 7 seconds, W 6 ft at 12 seconds and SW 2 ft at 14 seconds.

THU
NE wind around 5 kt, veering to S around 5 kt in the afternoon. Seas 5 to 6 ft. Wave Detail: W 5 ft at 11 seconds and SW 2 ft at 15 seconds.

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


PZZ173-162145
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
135 AM PDT Sun Aug 16 2026

TODAY
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 17 seconds.

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

MON
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 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 7 ft. Wave Detail: NW 7 ft at 7 seconds, W 2 ft at 9 seconds and SW 3 ft at 15 seconds.

TUE
NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 7 seconds, W 4 ft at 13 seconds and SW 2 ft at 15 seconds.

TUE NIGHT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds, W 4 ft at 12 seconds and SW 2 ft at 14 seconds.

WED
NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: NW 6 ft at 7 seconds, W 6 ft at 12 seconds and SW 2 ft at 14 seconds.

WED NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 6 ft at 7 seconds, W 7 ft at 12 seconds and SW 2 ft at 14 seconds.

THU
NW wind 5 to 10 kt, backing to W in the afternoon. Seas 5 to 7 ft. Wave Detail: W 6 ft at 11 seconds and SW 2 ft at 15 seconds.

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


PZZ176-162145
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
135 AM PDT Sun Aug 16 2026

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

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

TUE
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 7 seconds, W 3 ft at 15 seconds and SW 2 ft at 15 seconds.

TUE NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds, W 4 ft at 12 seconds and SW 2 ft at 14 seconds.

WED
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds, W 4 ft at 12 seconds and SW 2 ft at 14 seconds.

WED NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 6 ft at 7 seconds, W 6 ft at 12 seconds and SW 2 ft at 14 seconds.

THU
NW wind around 5 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 11 seconds and SW 2 ft at 15 seconds.

THU NIGHT
NW 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.


PZZ130-162145
West Entrance U.S. Waters Strait Of Juan De Fuca
135 AM PDT Sun Aug 16 2026

TODAY
W wind 5 to 10 kt, rising to 10 to 15 kt late. Seas around 3 ft. Wave Detail: NW 2 ft at 5 seconds and W 2 ft at 10 seconds.

TONIGHT
W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft at 6 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 and W 2 ft at 9 seconds.

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

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

TUE NIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 2 ft at 5 seconds and W 4 ft at 11 seconds.

WED
SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 2 ft at 6 seconds and W 4 ft at 12 seconds.

WED NIGHT
W wind 5 to 10 kt, easing to around 5 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 12 seconds.

THU
SE wind around 5 kt, veering to W in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 11 seconds.

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


PZZ131-162145
Central U.S. Waters Strait Of Juan De Fuca
135 AM PDT Sun Aug 16 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT EARLY THIS MORNING

SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT

TODAY
W wind 10 to 15 kt with gusts to 25 kt, easing to 5 to 10 kt this morning, rising to 10 to 15 kt with gusts to 20 kt this afternoon. Waves around 3 ft after midnight, then around 2 ft or less.

TONIGHT
W wind 15 to 20 kt with gusts to 25, easing to 10 to 15 kt after midnight. Waves around 3 ft.

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

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

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

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

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

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

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

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


PZZ132-162145
East Entrance U.S. Waters Strait Of Juan De Fuca
135 AM PDT Sun Aug 16 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT EARLY THIS MORNING

SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT

TODAY
W wind 10 to 15 kt with gusts to 25 kt, easing to 5 to 10 kt this morning, rising to 10 to 15 kt with gusts to 20 kt this afternoon. Waves around 3 ft after midnight, then around 2 ft or less.

TONIGHT
W wind 15 to 20 kt with gusts to 25, easing to 10 to 15 kt after midnight. Waves around 3 ft.

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.

TUE
SW 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
S wind 5 to 10 kt, becoming W in the afternoon. Waves around 2 ft or less.

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

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

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


PZZ134-162145
Admiralty Inlet
135 AM PDT Sun Aug 16 2026

TODAY
W wind around 5 kt after midnight, becoming light and variable, then becoming SW around 5 kt late this morning, veering to NW. Waves around 2 ft or less. Patchy fog early this morning.

TONIGHT
NW wind 5 to 10 kt, becoming W after midnight. Waves around 2 ft or less. Patchy fog after midnight.

MON
W wind around 5 kt, veering to NW 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. Patchy fog after midnight.

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

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

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

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

THU
Light and variable winds, becoming NW 5 to 10 kt in the afternoon. Waves around 2 ft or less.

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


PZZ133-162145
Northern Inland Waters Including The San Juan Islands
135 AM PDT Sun Aug 16 2026

TODAY
S wind 5 to 10 kt, easing to around 5 kt. Waves around 2 ft or less.

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

MON
SW wind around 5 kt. Waves around 2 ft or less. Patchy fog in the morning.

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

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

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

WED
S wind 5 to 10 kt, becoming SW in the afternoon. Waves around 2 ft or less.

WED NIGHT
W wind around 5 kt in the evening, becoming light and variable. Waves around 2 ft or less. Patchy fog after midnight.

THU
Light and variable winds, becoming W around 5 kt in the afternoon. Waves around 2 ft or less. Patchy fog in the morning.

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


PZZ135-162145
Puget Sound and Hood Canal
135 AM PDT Sun Aug 16 2026

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

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

MON
Light and variable winds, becoming N around 5 kt in the afternoon. Waves around 2 ft or less. Patchy fog in the morning.

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

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

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

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

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

THU
Light and variable winds, becoming N around 5 kt in the afternoon. Waves around 2 ft or less. Patchy fog in the morning.

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


PZZ110-162145
Grays Harbor Bar
135 AM PDT Sun Aug 16 2026

Combined seas 1 to 3 ft, rising to 3 to 4 ft late tonight. Bar conditions light. Maximum ebb currents will occur around 730 AM Sunday, 815 PM Sunday, and 815 AM Monday.