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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 210919
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
219 AM PDT Tue Jul 21 2026

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

PZZ100-212230
219 AM PDT Tue Jul 21 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...High pressure will remain centered well inland through midweek as a thermally induced trough builds along the Pacific coastline. Stronger onshore flow and pushes down the strait look to resume in the latter half of the week as the thermal trough shifts eastward.

PZZ150-212230
Coastal Waters From Cape Flattery To James Island Out 10 Nm
219 AM PDT Tue Jul 21 2026

TODAY
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 16 seconds.

TONIGHT
W wind around 5 kt. Seas around 4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy dense fog in the evening.

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

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

THU
S wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 2 ft at 4 seconds, W 5 ft at 9 seconds and SW 2 ft at 13 seconds. A chance of rain in the afternoon.

THU NIGHT
S wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: S 2 ft at 7 seconds, W 5 ft at 9 seconds and SW 2 ft at 14 seconds.

FRI
S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at 6 seconds, W 4 ft at 8 seconds and SW 2 ft at 15 seconds.

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

SAT
S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 8 seconds, W 3 ft at 9 seconds and SW 2 ft at 14 seconds.

SAT NIGHT
S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 6 seconds, W 3 ft at 8 seconds and SW 2 ft at 14 seconds. A chance of rain.

PZZ153-212230
Coastal Waters From James Island To Point Grenville Out 10 Nm
219 AM PDT Tue Jul 21 2026

TODAY
NW wind around 5 kt, rising to 5 to 10 kt this afternoon. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 8 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 8 seconds. Patchy dense fog.

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

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

THU
S wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: SW 2 ft at 7 seconds, NW 4 ft at 9 seconds and SW 2 ft at 13 seconds.

THU NIGHT
S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at 5 seconds, NW 4 ft at 9 seconds and SW 2 ft at 14 seconds.

FRI
S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 7 seconds and NW 4 ft at 9 seconds.

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

SAT
S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 7 seconds and W 3 ft at 8 seconds.

SAT NIGHT
S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 5 seconds, W 3 ft at 8 seconds and SW 2 ft at 21 seconds. A chance of rain after midnight.

PZZ156-212230
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
219 AM PDT Tue Jul 21 2026

TODAY
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 8 seconds. Patchy dense fog early this morning.

TONIGHT
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 2 ft at 4 seconds and NW 5 ft at 8 seconds. Patchy dense fog in the evening.

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

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

THU
S wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: S 2 ft at 3 seconds, W 4 ft at 9 seconds and SW 2 ft at 13 seconds. A chance of rain in the morning.

THU NIGHT
S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at 7 seconds, NW 4 ft at 9 seconds and SW 2 ft at 15 seconds.

FRI
S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 2 ft at 7 seconds and NW 4 ft at 9 seconds.

FRI NIGHT
SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 seconds and S 2 ft at 8 seconds.

SAT
S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 5 seconds and NW 3 ft at 9 seconds.

SAT NIGHT
SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 5 seconds, W 3 ft at 8 seconds and SW 2 ft at 21 seconds.

PZZ170-212230
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
219 AM PDT Tue Jul 21 2026

TODAY
W wind 5 to 10 kt. Seas around 4 ft. Wave Detail: NW 4 ft at 8 seconds and SW 2 ft at 16 seconds.

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

WED
NW wind around 5 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 15 seconds.

WED NIGHT
NW wind around 5 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 9 seconds and S 3 ft at 14 seconds.

THU
S wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: S 2 ft at 4 seconds, NW 5 ft at 9 seconds and S 3 ft at 13 seconds.

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

FRI
S wind 5 to 10 kt. Seas around 5 ft. Wave Detail: S 2 ft at 8 seconds, NW 4 ft at 9 seconds and S 2 ft at 15 seconds.

FRI NIGHT
SW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NE 2 ft at 5 seconds, NW 4 ft at 8 seconds and S 2 ft at 8 seconds.

SAT
S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E 2 ft at 5 seconds, S 2 ft at 8 seconds and NW 3 ft at 9 seconds.

SAT NIGHT
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at 7 seconds, NW 3 ft at 9 seconds and S 3 ft at 14 seconds. A chance of rain after midnight.

PZZ173-212230
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
219 AM PDT Tue Jul 21 2026

TODAY
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and SW 2 ft at 16 seconds.

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

WED
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 9 seconds and S 3 ft at 14 seconds.

WED NIGHT
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 9 seconds and S 3 ft at 14 seconds.

THU
SW wind 5 to 10 kt. Seas 5 to 8 ft. Wave Detail: NW 6 ft at 9 seconds and S 3 ft at 13 seconds.

THU NIGHT
SW wind 5 to 10 kt. Seas 5 to 8 ft. Wave Detail: NW 6 ft at 9 seconds, S 2 ft at 10 seconds and S 3 ft at 15 seconds.

FRI
S wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: S 2 ft at 8 seconds, NW 5 ft at 9 seconds and S 2 ft at 15 seconds.

FRI NIGHT
SW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 8 seconds, S 2 ft at 8 seconds and S 2 ft at 14 seconds.

SAT
SW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: S 2 ft at 8 seconds, NW 4 ft at 9 seconds and S 2 ft at 14 seconds.

SAT NIGHT
SW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: S 2 ft at 6 seconds, NW 4 ft at 8 seconds and S 3 ft at 14 seconds. A chance of rain after midnight.

PZZ176-212230
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
219 AM PDT Tue Jul 21 2026

TODAY
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NE 2 ft at 4 seconds, NW 5 ft at 8 seconds and SW 2 ft at 17 seconds.

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

WED
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 15 seconds.

WED NIGHT
NW wind around 10 kt, becoming W after midnight. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 9 seconds and S 3 ft at 14 seconds.

THU
SW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 9 seconds, S 2 ft at 9 seconds and S 3 ft at 13 seconds. A chance of rain in the morning.

THU NIGHT
SW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 9 seconds, S 2 ft at 10 seconds and SW 2 ft at 15 seconds.

FRI
S wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: S 2 ft at 8 seconds, NW 5 ft at 9 seconds and S 2 ft at 15 seconds.

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

SAT
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at 7 seconds, NW 4 ft at 9 seconds and S 2 ft at 14 seconds.

SAT NIGHT
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at 5 seconds, NW 4 ft at 9 seconds and S 3 ft at 14 seconds.

PZZ130-212230
West Entrance U.S. Waters Strait Of Juan De Fuca
219 AM PDT Tue Jul 21 2026

TODAY
W wind around 5 kt, rising to 5 to 10 kt late. Seas around 3 ft. Wave Detail: W 3 ft at 8 seconds.

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

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

WED NIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.

THU
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.

THU 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 9 seconds.

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

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

SAT
SW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 2 ft at 9 seconds. A chance of rain in the afternoon.

SAT NIGHT
SW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 2 ft at 8 seconds. A chance of rain.

PZZ131-212230
Central U.S. Waters Strait Of Juan De Fuca
219 AM PDT Tue Jul 21 2026

TODAY
W wind around 5 kt, rising to 10 to 15 kt late. Waves around 2 ft or less.

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

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

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

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

THU NIGHT
W wind 15 to 25 kt. Waves 3 to 4 ft.

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 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Waves around 3 ft in the morning, then around 2 ft or less.

SAT NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Waves around 3 ft.

PZZ132-212230
East Entrance U.S. Waters Strait Of Juan De Fuca
219 AM PDT Tue Jul 21 2026

TODAY
W wind around 5 kt, rising to 5 to 10 kt late. Waves around 2 ft or less.

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

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

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

THU
SW wind around 5 kt, veering to W 10 to 15 kt in the afternoon. Waves around 2 ft or less.

THU NIGHT
W wind 15 to 25 kt. Waves 3 to 4 ft.

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

FRI 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.

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

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

PZZ134-212230
Admiralty Inlet
219 AM PDT Tue Jul 21 2026

TODAY
Light and variable winds, becoming NW 5 to 10 kt. Waves around 2 ft or less.

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

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

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

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

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

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

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

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

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

PZZ133-212230
Northern Inland Waters Including The San Juan Islands
219 AM PDT Tue Jul 21 2026

TODAY
Light and variable winds, becoming W around 5 kt late this morning and afternoon. Waves around 2 ft or less.

TONIGHT
S wind around 5 kt in the evening, becoming light and variable. Waves around 2 ft or less.

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

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

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

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

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

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

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

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

PZZ135-212230
Puget Sound and Hood Canal
219 AM PDT Tue Jul 21 2026

TODAY
Light and variable winds, becoming N 5 to 10 kt. Waves around 2 ft or less.

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

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

THU NIGHT
SW wind 10 to 15 kt. Waves around 2 ft or less.

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

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

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

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

PZZ110-212230
Grays Harbor Bar
219 AM PDT Tue Jul 21 2026

Combined seas 3 to 5 feet. Bar conditions light. Maximum ebb currents will occur around 1030 AM Tuesday, 1130 PM Tuesday and 1130 AM Wednesday.