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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 150839
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
139 AM PDT Thu Oct 15 2026

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

PZZ100-152145
139 AM PDT Thu Oct 15 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...High pressure offshore with thermal trough along the coast will promote offshore flow through Friday. The thermal trough will shift inland on Friday for a return to onshore flow. A frontal system will move across the area waters late Friday into Saturday. Another system may move near or into the area Sunday into Monday, however uncertainty remains to the exact track.


PZZ150-152145
Coastal Waters From Cape Flattery To James Island Out 10 Nm
139 AM PDT Thu Oct 15 2026

TODAY
E wind 10 to 15 kt, easing to 5 to 10 kt late. Seas 4 to 5 ft. Wave Detail: E 2 ft at 4 seconds, W 4 ft at 12 seconds and SW 2 ft at 16 seconds.

TONIGHT
E wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: E 2 ft at 4 seconds, W 5 ft at 14 seconds and SW 2 ft at 15 seconds.

FRI
S wind around 5 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 12 seconds and SW 2 ft at 15 seconds.

FRI NIGHT
S wind 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 6 to 7 ft. Wave Detail: W 7 ft at 11 seconds and SW 2 ft at 15 seconds. Rain.

SAT
W wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 6 to 8 ft. Wave Detail: W 8 ft at 11 seconds and SW 2 ft at 15 seconds.

SAT NIGHT
W wind around 5 kt, veering to N after midnight. Seas 7 to 8 ft. Wave Detail: W 8 ft at 11 seconds and SW 2 ft at 19 seconds.

SUN
NE wind around 5 kt. Seas 7 to 9 ft. Wave Detail: W 8 ft at 13 seconds and SW 2 ft at 19 seconds.

SUN NIGHT
NE wind around 5 kt, veering to E after midnight. Seas 6 to 8 ft. Wave Detail: W 7 ft at 12 seconds and SW 2 ft at 18 seconds.

MON
SE wind around 5 kt. Seas 5 to 6 ft, building to 7 to 9 ft in the afternoon. Wave Detail: W 9 ft at 14 seconds and SW 2 ft at 17 seconds. A chance of rain.

MON NIGHT
NE wind around 5 kt. Seas 7 to 9 ft. Wave Detail: W 9 ft at 13 seconds and SW 2 ft at 16 seconds.


PZZ153-152145
Coastal Waters From James Island To Point Grenville Out 10 Nm
139 AM PDT Thu Oct 15 2026

TODAY
NE wind around 5 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 12 seconds and SW 2 ft at 16 seconds.

TONIGHT
SE wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 2 ft at 4 seconds, W 4 ft at 12 seconds and SW 2 ft at 16 seconds.

FRI
S wind around 5 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 14 seconds.

FRI NIGHT
S wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 12 seconds and SW 2 ft at 15 seconds. Rain.

SAT
W wind 5 to 10 kt. Seas 5 to 6 ft, building to 6 to 8 ft in the afternoon. Wave Detail: NW 2 ft at 5 seconds, W 7 ft at 11 seconds and SW 2 ft at 16 seconds. A chance of rain in the morning.

SAT NIGHT
N wind around 5 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at 11 seconds and SW 2 ft at 19 seconds.

SUN
N wind around 5 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at 13 seconds and SW 2 ft at 18 seconds.

SUN NIGHT
N wind around 5 kt, veering to E after midnight. Seas 5 to 8 ft. Wave Detail: W 7 ft at 12 seconds and SW 2 ft at 18 seconds.

MON
SE wind around 5 kt. Seas 5 to 6 ft, building to 6 to 9 ft in the afternoon. Wave Detail: W 9 ft at 15 seconds. A chance of rain.

MON NIGHT
NE wind around 5 kt. Seas 8 to 9 ft, subsiding to 6 to 8 ft after midnight. Wave Detail: W 9 ft at 13 seconds.


PZZ156-152145
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
139 AM PDT Thu Oct 15 2026

TODAY
E wind 10 to 15 kt, easing to 5 to 10 kt late. Seas 4 to 5 ft. Wave Detail: E 2 ft at 3 seconds, W 4 ft at 12 seconds and SW 2 ft at 16 seconds.

TONIGHT
E wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E 2 ft at 3 seconds, W 4 ft at 11 seconds and SW 2 ft at 16 seconds.

FRI
SE wind 5 to 10 kt, veering to SW in the afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 13 seconds and SW 2 ft at 15 seconds.

FRI NIGHT
SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 12 seconds and SW 2 ft at 15 seconds. A chance of rain in the evening, then rain after midnight.

SAT
W wind 5 to 10 kt. Seas 5 to 6 ft, building to 6 to 8 ft in the afternoon. Wave Detail: W 7 ft at 11 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
N wind 5 to 10 kt. Seas 7 to 8 ft. Wave Detail: W 7 ft at 11 seconds and SW 2 ft at 17 seconds.

SUN
NE wind around 5 kt. Seas 7 to 8 ft. Wave Detail: W 8 ft at 13 seconds.

SUN NIGHT
N wind 5 to 10 kt, veering to E after midnight. Seas 5 to 8 ft. Wave Detail: W 7 ft at 12 seconds and SW 2 ft at 18 seconds.

MON
SE wind 5 to 10 kt. Seas 5 to 6 ft, building to 6 to 8 ft in the afternoon. Wave Detail: W 8 ft at 15 seconds. A chance of rain.

MON NIGHT
NW wind 5 to 10 kt, veering to N after midnight. Seas 7 to 9 ft. Wave Detail: S 2 ft at 6 seconds and W 9 ft at 14 seconds.


PZZ170-152145
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
139 AM PDT Thu Oct 15 2026

TODAY
E wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NE 2 ft at 4 seconds, W 5 ft at 12 seconds and S 3 ft at 15 seconds.

TONIGHT
E wind 5 to 10 kt, veering to S after midnight. Seas 4 to 6 ft. Wave Detail: NE 2 ft at 4 seconds, W 6 ft at 12 seconds and SW 3 ft at 15 seconds.

FRI
S wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at 12 seconds and S 3 ft at 15 seconds. A chance of rain in the afternoon.

FRI NIGHT
S wind around 10 kt, veering to SW after midnight. Seas 7 to 8 ft. Wave Detail: SW 7 ft at 11 seconds and S 2 ft at 15 seconds. Rain, mainly in the evening.

SAT
W wind around 15 kt, becoming NW 5 to 10 kt in the afternoon. Seas 7 to 8 ft, building to 8 to 10 ft in the afternoon. Wave Detail: NW 2 ft at 5 seconds, W 9 ft at 11 seconds and S 2 ft at 16 seconds.

SAT NIGHT
NW wind around 5 kt. Seas 8 to 9 ft. Wave Detail: W 8 ft at 11 seconds and S 2 ft at 16 seconds.

SUN
NE wind around 5 kt. Seas 8 to 9 ft. Wave Detail: W 9 ft at 13 seconds and S 2 ft at 16 seconds.

SUN NIGHT
NE wind around 5 kt, veering to E after midnight. Seas 6 to 8 ft. Wave Detail: W 8 ft at 12 seconds and SW 2 ft at 17 seconds. A chance of rain after midnight.

MON
SE wind 5 to 10 kt. Seas 6 to 8 ft, building to 8 to 11 ft in the afternoon. Wave Detail: W 10 ft at 14 seconds and S 2 ft at 17 seconds. A chance of rain.

MON NIGHT
NW wind 5 to 10 kt. Seas 9 to 10 ft, subsiding to 7 to 8 ft after midnight. Wave Detail: W 9 ft at 13 seconds and S 2 ft at 16 seconds.


PZZ173-152145
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
139 AM PDT Thu Oct 15 2026

TODAY
E wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE 2 ft at 5 seconds, W 5 ft at 12 seconds and SW 3 ft at 16 seconds.

TONIGHT
SE wind 5 to 10 kt, veering to SW after midnight. Seas 4 to 6 ft. Wave Detail: SE 2 ft at 5 seconds, W 6 ft at 12 seconds and SW 3 ft at 15 seconds.

FRI
SW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: SE 2 ft at 4 seconds, W 7 ft at 12 seconds and S 3 ft at 15 seconds.

FRI NIGHT
SW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at 11 seconds and SW 2 ft at 15 seconds. Rain, mainly in the evening.

SAT
NW wind 10 to 15 kt. Seas 7 to 10 ft. Wave Detail: NW 4 ft at 5 seconds, W 9 ft at 11 seconds and SW 2 ft at 15 seconds.

SAT NIGHT
NW wind 5 to 10 kt. Seas 8 to 9 ft. Wave Detail: W 8 ft at 11 seconds and S 2 ft at 16 seconds.

SUN
N wind around 5 kt. Seas 8 to 9 ft. Wave Detail: W 9 ft at 13 seconds and SW 2 ft at 16 seconds.

SUN NIGHT
N wind 5 to 10 kt, veering to SE after midnight. Seas around 8 ft, subsiding to 6 to 7 ft after midnight. Wave Detail: W 8 ft at 12 seconds and SW 2 ft at 17 seconds. A chance of rain after midnight.

MON
SE wind 5 to 10 kt. Seas 6 to 8 ft, building to 8 to 11 ft in the afternoon. Wave Detail: W 10 ft at 14 seconds and S 2 ft at 17 seconds. A chance of rain.

MON NIGHT
N wind 10 to 15 kt. Seas 9 to 10 ft, subsiding to 7 to 9 ft after midnight. Wave Detail: W 10 ft at 13 seconds and S 2 ft at 16 seconds.


PZZ176-152145
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
139 AM PDT Thu Oct 15 2026

TODAY
E wind 10 to 15 kt, easing to 5 to 10 kt late. Seas 5 to 6 ft. Wave Detail: E 3 ft at 4 seconds, W 5 ft at 12 seconds and SW 3 ft at 16 seconds.

TONIGHT
SE wind 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: E 2 ft at 4 seconds, W 5 ft at 12 seconds and SW 3 ft at 15 seconds.

FRI
W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: SE 2 ft at 4 seconds, W 7 ft at 13 seconds and S 3 ft at 15 seconds.

FRI NIGHT
SW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 6 to 7 ft. Wave Detail: W 7 ft at 12 seconds and SW 2 ft at 15 seconds. A chance of rain.

SAT
NW wind 10 to 15 kt. Seas 6 to 8 ft, building to 7 to 10 ft in the afternoon. Wave Detail: N 4 ft at 6 seconds, W 9 ft at 11 seconds and SW 2 ft at 16 seconds.

SAT NIGHT
N wind 5 to 10 kt. Seas 8 to 9 ft. Wave Detail: W 8 ft at 11 seconds and S 2 ft at 16 seconds.

SUN
N wind 5 to 10 kt. Seas 8 to 9 ft. Wave Detail: W 9 ft at 13 seconds and SW 2 ft at 17 seconds.

SUN NIGHT
N wind 5 to 10 kt, veering to SE after midnight. Seas 8 to 9 ft, subsiding to 6 to 7 ft after midnight. Wave Detail: W 8 ft at 12 seconds and SW 2 ft at 17 seconds. A chance of rain after midnight.

MON
SE wind around 10 kt. Seas 6 to 7 ft, building to 8 to 11 ft in the afternoon. Wave Detail: W 10 ft at 14 seconds and S 2 ft at 17 seconds. A chance of rain.

MON NIGHT
NE wind 10 to 15 kt. Seas 10 to 11 ft, subsiding to 8 to 9 ft after midnight. Wave Detail: S 2 ft at 6 seconds, W 10 ft at 13 seconds and S 2 ft at 16 seconds. A chance of rain in the evening.


PZZ130-152145
West Entrance U.S. Waters Strait Of Juan De Fuca
139 AM PDT Thu Oct 15 2026

TODAY
E wind 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: E 3 ft at 4 seconds and W 3 ft at 12 seconds.

TONIGHT
SE wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E 3 ft at 4 seconds and W 4 ft at 12 seconds.

FRI
E wind 5 to 10 kt, becoming SW in the afternoon. Seas 3 to 5 ft. Wave Detail: E 2 ft at 4 seconds and W 5 ft at 13 seconds.

FRI NIGHT
SW wind around 5 kt, rising to 15 to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 2 ft at 4 seconds and W 5 ft at 12 seconds. Rain.

SAT
W wind 15 to 20 kt, easing to around 10 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 11 seconds. A chance of rain in the morning.

SAT NIGHT
W wind 5 to 10 kt, becoming NW after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 11 seconds.

SUN
E wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 12 seconds.

SUN NIGHT
E wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 12 seconds.

MON
E wind around 5 kt. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: W 6 ft at 14 seconds. A chance of rain in the morning.

MON NIGHT
E wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 13 seconds.


PZZ131-152145
Central U.S. Waters Strait Of Juan De Fuca
139 AM PDT Thu Oct 15 2026

TODAY
E wind 10 to 15 kt. Waves around 3 ft. Patchy dense fog early this morning.

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

FRI
E wind 5 to 10 kt, becoming NW in the afternoon. Waves around 2 ft or less.

FRI NIGHT
W wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Waves around 2 ft or less, then around 3 ft after midnight. A chance of rain in the evening, then rain after midnight.

SAT
W wind 20 to 25 kt. Gusts up to 40 kt in the afternoon. Waves 4 to 6 ft. A chance of rain in the morning.

SAT NIGHT
W wind 20 to 25 kt with gusts up to 35 kt, easing to 5 to 10 kt after midnight. Waves 4 to 6 ft, subsiding to 3 ft after midnight.

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

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

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

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


PZZ132-152145
East Entrance U.S. Waters Strait Of Juan De Fuca
139 AM PDT Thu Oct 15 2026

TODAY
N wind around 5 kt. Waves around 2 ft or less. Patchy dense fog this morning.

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

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

FRI NIGHT
SW wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain after midnight.

SAT
SW wind 15 to 20 kt, becoming W 20 to 25 kt with gusts up to 35 kt in the afternoon. Waves 3 to 4 ft, building to 4 to 6 ft in the afternoon. A chance of rain in the morning.

SAT NIGHT
W wind 15 to 20 kt with gusts up to 35 kt, easing to 5 to 10 kt after midnight. Waves 4 to 6 ft, subsiding to 3 to 4 ft after midnight.

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

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

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

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


PZZ134-152145
Admiralty Inlet
139 AM PDT Thu Oct 15 2026

TODAY
N wind around 5 kt. Waves around 2 ft or less.

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

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

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

SAT
SW wind 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Waves around 2 ft or less. Rain, mainly in the morning.

SAT NIGHT
W wind 5 to 10 kt. Waves around 3 ft in the evening, then around 2 ft or less.

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

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

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

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


PZZ133-152145
Northern Inland Waters Including The San Juan Islands
139 AM PDT Thu Oct 15 2026

TODAY
N wind around 5 kt. Waves around 2 ft or less. Patchy dense fog this morning.

TONIGHT
NE wind around 5 kt, veering to E after midnight. Waves around 2 ft or less.

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

FRI NIGHT
S wind around 5 kt, rising to 5 to 10 kt after midnight. Waves around 2 ft or less. Rain likely after midnight.

SAT
SW wind 10 to 15 kt. 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
N wind around 5 kt. Waves around 2 ft or less.

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

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

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


PZZ135-152145
Puget Sound and Hood Canal
139 AM PDT Thu Oct 15 2026

TODAY
N wind around 5 kt. Waves around 2 ft or less.

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

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

FRI NIGHT
SW wind 5 to 10 kt, becoming S 10 to 15 kt after midnight. Waves around 2 ft or less. A chance of rain after midnight.

SAT
SW wind 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Waves around 2 ft or less. Rain, mainly in the morning.

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

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

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

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

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


PZZ110-152145
Grays Harbor Bar
139 AM PDT Thu Oct 15 2026

Combined seas 3 to 5 ft. Bar conditions light. Maximum ebb currents will occur around 800 AM Thursday, 800 PM Thursday, and 830 AM Friday.