National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 062108
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
208 PM PDT Thu Aug 6 2026

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

PZZ100-071015
208 PM PDT Thu Aug 6 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...High pressure over the waters will continue to strengthen tonight and will remain in place through the majority of next week. Increasing onshore flow will lead to strong westerlies through the Strait of Juan de Fuca each evening starting Friday. Steep seas for the coastal waters this weekend.


PZZ150-071015
Coastal Waters From Cape Flattery To James Island Out 10 Nm
208 PM PDT Thu Aug 6 2026

TONIGHT
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 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 13 seconds.

FRI NIGHT
W wind around 5 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds and W 2 ft at 13 seconds.

SAT
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 7 seconds and W 2 ft at 13 seconds.

SAT 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 14 seconds.

SUN
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 7 seconds and SW 2 ft at 14 seconds.

SUN 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 14 seconds.

MON
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds and SW 2 ft at 14 seconds.

MON NIGHT
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds.

TUE
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and SW 2 ft at 14 seconds.

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


PZZ153-071015
Coastal Waters From James Island To Point Grenville Out 10 Nm
208 PM PDT Thu Aug 6 2026

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

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

FRI NIGHT
NW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 13 seconds.

SAT
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and W 2 ft at 13 seconds.

SAT 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 7 seconds.

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

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

MON
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and SW 2 ft at 14 seconds.

MON NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds.

TUE
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds.

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


PZZ156-071015
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
208 PM PDT Thu Aug 6 2026

TONIGHT
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 8 seconds.

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

FRI NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and W 2 ft at 13 seconds.

SAT
NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and W 2 ft at 13 seconds.

SAT NIGHT
NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 6 seconds.

SUN
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds.

SUN NIGHT
NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 6 seconds.

MON
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and W 2 ft at 14 seconds.

MON NIGHT
NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 5 seconds.

TUE
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 5 seconds.

TUE NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds.


PZZ170-071015
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
208 PM PDT Thu Aug 6 2026

TONIGHT
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 7 seconds.

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

FRI NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and W 2 ft at 13 seconds.

SAT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 14 seconds.

SAT NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 14 seconds.

SUN
NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 14 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 6 seconds and SW 2 ft at 14 seconds.

MON
NW wind 10 to 15 kt. Seas 5 to 7 ft, subsiding to 4 to 5 ft in the afternoon. Wave Detail: NW 6 ft at 6 seconds and SW 2 ft at 14 seconds.

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

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

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


PZZ173-071015
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
208 PM PDT Thu Aug 6 2026

TONIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds.

FRI
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 13 seconds.

FRI NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 6 seconds and W 2 ft at 13 seconds.

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

SAT NIGHT
NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 14 seconds.

SUN
NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 15 seconds.

SUN NIGHT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 6 seconds and SW 2 ft at 14 seconds.

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

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

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

TUE NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and S 2 ft at 14 seconds.


PZZ176-071015
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
208 PM PDT Thu Aug 6 2026

TONIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds.

FRI
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 13 seconds.

FRI NIGHT
NW wind around 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and W 2 ft at 13 seconds.

SAT
NW wind around 15 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 14 seconds.

SAT NIGHT
NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 14 seconds.

SUN
NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 15 seconds.

SUN NIGHT
NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 15 seconds.

MON
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 14 seconds.

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

TUE
NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at 14 seconds.

TUE NIGHT
NW wind around 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and S 2 ft at 14 seconds.


PZZ130-071015
West Entrance U.S. Waters Strait Of Juan De Fuca
208 PM PDT Thu Aug 6 2026

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 3 ft at 7 seconds.

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

SAT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds.

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

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

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

MON
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds.

MON NIGHT
W wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 6 seconds.

TUE
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 6 seconds.

TUE NIGHT
W wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 6 seconds.


PZZ131-071015
Central U.S. Waters Strait Of Juan De Fuca
208 PM PDT Thu Aug 6 2026

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

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

FRI NIGHT
W wind 15 to 20 kt. Waves 3 to 4 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 15 to 20 kt. Waves 3 to 4 ft.

SUN
W wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Waves 3 to 4 ft in the morning, then around 2 ft or less.

SUN NIGHT
W wind 15 to 20 kt. Waves around 3 ft.

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

MON NIGHT
W wind 15 to 20 kt. Waves 3 to 4 ft.

TUE
W wind 15 to 20 kt. Waves 3 to 4 ft.

TUE NIGHT
W wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Waves 3 to 5 ft.


PZZ132-071015
East Entrance U.S. Waters Strait Of Juan De Fuca
208 PM PDT Thu Aug 6 2026

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

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

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

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

SAT NIGHT
W wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Waves 3 to 4 ft.

SUN
W wind 5 to 10 kt. Waves 3 to 4 ft in the morning, then 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, then around 3 ft after midnight.

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

MON NIGHT
W wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Waves 3 to 4 ft.

TUE
W wind 10 to 15 kt. Waves 3 to 4 ft.

TUE NIGHT
W wind 15 to 20 kt. Waves 3 to 4 ft.


PZZ134-071015
Admiralty Inlet
208 PM PDT Thu Aug 6 2026

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

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

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

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

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

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

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

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

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


PZZ133-071015
Northern Inland Waters Including The San Juan Islands
208 PM PDT Thu Aug 6 2026

TONIGHT
W wind around 5 kt early this evening, becoming light and variable, then becoming S around 5 kt after midnight. 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
SW wind around 5 kt. Waves around 2 ft or less.

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

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

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

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

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


PZZ135-071015
Puget Sound and Hood Canal
208 PM PDT Thu Aug 6 2026

TONIGHT
N wind around 5 kt, backing to W after midnight, backing to S late. Waves around 2 ft or less. Patchy smoke early this evening.

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

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

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

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


PZZ110-071015
Grays Harbor Bar
208 PM PDT Thu Aug 6 2026

Combined seas 3 to 5 feet. Bar conditions light. Maximum ebb currents will occur around 1130 PM Thursday, 1200 PM Friday, and 1245 AM Saturday.