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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 160918
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
218 AM PDT Fri Oct 16 2026

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

PZZ100-162230
218 AM PDT Fri Oct 16 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...High pressure over the waters will weaken today. A frontal system will move through late tonight into Saturday morning. High pressure building over the waters Saturday afternoon will remain through Sunday. Another system will move by west of the coastal waters Monday. High pressure will rebuild over the area Tuesday.

PZZ150-162230
Coastal Waters From Cape Flattery To James Island Out 10 Nm
218 AM PDT Fri Oct 16 2026

TODAY
S wind 5 to 15 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 14 seconds and SW 2 ft at 15 seconds. A chance of rain late.

TONIGHT
S wind 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 6 to 7 ft. Wave Detail: W 6 ft at 12 seconds and SW 2 ft at 15 seconds. Rain.

SAT
W wind 10 to 15 kt, becoming NW 5 to 10 kt in the afternoon. Seas 6 to 8 ft. Wave Detail: W 8 ft at 10 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 16 seconds.

SUN
NE wind around 5 kt. Seas 7 to 8 ft. Wave Detail: W 8 ft at 12 seconds and SW 2 ft at 18 seconds.

SUN NIGHT
NE wind around 5 kt, veering to E around 5 kt 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 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 15 seconds and SW 3 ft at 17 seconds. A chance of rain.

MON NIGHT
NE wind 5 to 10 kt. Seas 8 to 10 ft, subsiding to 6 to 8 ft after midnight. Wave Detail: W 9 ft at 14 seconds. A chance of rain in the evening.

TUE
N wind around 5 kt. Seas 5 to 6 ft. Wave Detail: SW 4 ft at 9 seconds, W 5 ft at 11 seconds and SW 2 ft at 15 seconds.

TUE NIGHT
N wind 5 to 10 kt, becoming NE after midnight. Seas 4 to 6 ft. Wave Detail: S 3 ft at 7 seconds and W 5 ft at 12 seconds.

PZZ153-162230
Coastal Waters From James Island To Point Grenville Out 10 Nm
218 AM PDT Fri Oct 16 2026

TODAY
SE wind 5 to 15 kt. Seas 4 to 6 ft. Wave Detail: S 2 ft at 4 seconds, W 6 ft at 14 seconds and SW 2 ft at 15 seconds.

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

SAT NIGHT
N wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at 11 seconds.

SUN
N wind around 5 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at 12 seconds and SW 2 ft at 18 seconds.

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

MON
SE wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: S 2 ft at 5 seconds, W 7 ft at 16 seconds and SW 3 ft at 17 seconds. A chance of rain.

MON NIGHT
E wind 5 to 10 kt, backing to NE after midnight. Seas 8 to 10 ft, subsiding to 6 to 8 ft after midnight. Wave Detail: S 2 ft at 8 seconds and W 10 ft at 14 seconds. A chance of rain in the evening.

TUE
N wind around 5 kt. Seas 5 to 7 ft. Wave Detail: NW 2 ft at 5 seconds, SW 4 ft at 9 seconds and W 6 ft at 12 seconds.

TUE NIGHT
N wind 5 to 10 kt, becoming NE after midnight. Seas 5 to 6 ft. Wave Detail: S 2 ft at 7 seconds and W 5 ft at 12 seconds.

PZZ156-162230
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
218 AM PDT Fri Oct 16 2026

TODAY
SE wind 5 to 10 kt, becoming S late this morning, veering to W this afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 12 seconds, W 5 ft at 15 seconds and SW 2 ft at 15 seconds.

TONIGHT
SW wind 10 to 15 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
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 11 seconds.

SAT NIGHT
N wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 2 ft at 5 seconds and W 7 ft at 11 seconds.

SUN
NE wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at 12 seconds.

SUN NIGHT
N wind 5 to 10 kt, veering to E after midnight. Seas 6 to 8 ft. Wave Detail: W 7 ft at 12 seconds.

MON
SE wind 10 to 15 kt. Seas 5 to 6 ft, building to 5 to 8 ft in the afternoon. Wave Detail: S 3 ft at 6 seconds, W 8 ft at 16 seconds and SW 6 ft at 17 seconds. A chance of rain.

MON NIGHT
E wind 5 to 10 kt, backing to NE after midnight. Seas 9 to 11 ft, subsiding to 7 to 9 ft after midnight. Wave Detail: W 11 ft at 14 seconds. A chance of rain in the evening.

TUE
N wind around 5 kt. Seas 5 to 7 ft. Wave Detail: SW 3 ft at 8 seconds and W 7 ft at 11 seconds.

TUE NIGHT
N wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: SW 2 ft at 7 seconds and W 5 ft at 10 seconds.

PZZ170-162230
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
218 AM PDT Fri Oct 16 2026

TODAY
S wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: E 2 ft at 4 seconds, W 7 ft at 12 seconds and W 5 ft at 15 seconds. A chance of rain early this afternoon. Rain likely late.

TONIGHT
S wind 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 7 to 8 ft. Wave Detail: SW 8 ft at 10 seconds and S 2 ft at 15 seconds. Rain in the evening.

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

SUN
NE wind around 5 kt. Seas 8 to 9 ft. Wave Detail: W 9 ft at 12 seconds and S 2 ft at 16 seconds.

SUN NIGHT
NE wind around 5 kt, veering to E after midnight. Seas 7 to 9 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 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 6 to 7 ft, building to 7 to 10 ft in the afternoon. Wave Detail: W 10 ft at 15 seconds and SW 10 ft at 17 seconds. A chance of rain.

MON NIGHT
E wind 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 9 to 11 ft, subsiding to 7 to 8 ft after midnight. Wave Detail: S 3 ft at 8 seconds, SW 10 ft at 13 seconds and S 2 ft at 16 seconds. A chance of rain in the evening.

TUE
N wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 5 seconds, S 5 ft at 8 seconds and W 6 ft at 12 seconds.

TUE NIGHT
N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: S 3 ft at 7 seconds, W 6 ft at 12 seconds and S 2 ft at 16 seconds.

PZZ173-162230
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
218 AM PDT Fri Oct 16 2026

TODAY
SW wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: SE 2 ft at 4 seconds, W 7 ft at 12 seconds and W 5 ft at 15 seconds. A chance of rain late.

TONIGHT
S wind 10 to 15 kt, becoming W 15 to 20 kt after midnight. Seas 6 to 8 ft. Wave Detail: SW 8 ft at 10 seconds and S 2 ft at 15 seconds. Rain in the evening.

SAT
NW wind around 15 kt, easing to around 10 kt in the afternoon. Seas 7 to 9 ft. Wave Detail: NW 3 ft at 5 seconds, W 8 ft at 10 seconds and S 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
NE wind 5 to 10 kt. Seas 8 to 9 ft. Wave Detail: W 8 ft at 12 seconds and SW 2 ft at 16 seconds.

SUN NIGHT
N wind around 5 kt, veering to SE after midnight. Seas 7 to 9 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 15 to 20 kt. Seas 6 to 7 ft, building to 7 to 10 ft in the afternoon. Wave Detail: S 3 ft at 6 seconds, W 10 ft at 15 seconds and SW 10 ft at 16 seconds. Rain likely in the morning, then showers likely in the afternoon.

MON NIGHT
E wind 10 to 15 kt, backing to N after midnight. Seas 10 to 12 ft, subsiding to 8 to 9 ft after midnight. Wave Detail: S 3 ft at 8 seconds, SW 11 ft at 13 seconds and S 2 ft at 16 seconds. A chance of rain in the evening.

TUE
N wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 3 ft at 5 seconds, S 5 ft at 8 seconds and W 6 ft at 11 seconds.

TUE NIGHT
N wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: N 2 ft at 5 seconds, S 2 ft at 7 seconds and W 6 ft at 12 seconds.

PZZ176-162230
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
218 AM PDT Fri Oct 16 2026

TODAY
W wind around 5 kt, backing to SW this afternoon. Seas 5 to 7 ft. Wave Detail: SE 2 ft at 4 seconds, W 6 ft at 12 seconds and W 5 ft at 15 seconds.

TONIGHT
SW wind 10 to 15 kt, becoming W 15 to 20 kt after midnight. Seas 6 to 8 ft. Wave Detail: W 7 ft at 12 seconds and SW 2 ft at 15 seconds. Rain likely in the evening.

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

SAT NIGHT
N wind 10 to 15 kt. Seas 8 to 9 ft. Wave Detail: W 8 ft at 11 seconds and S 2 ft at 15 seconds.

SUN
N wind around 10 kt, becoming NE in the afternoon. Seas 8 to 9 ft. Wave Detail: W 8 ft at 12 seconds and SW 2 ft at 16 seconds.

SUN NIGHT
N wind 5 to 10 kt, veering to S after midnight. Seas 7 to 9 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 15 to 20 kt. Seas 6 to 7 ft, building to 8 to 11 ft in the afternoon. Wave Detail: S 3 ft at 7 seconds, W 11 ft at 15 seconds and SW 11 ft at 16 seconds. Rain likely, mainly in the morning.

MON NIGHT
SE wind 10 to 15 kt, backing to NE after midnight. Seas 11 to 13 ft, subsiding to 8 to 10 ft after midnight. Wave Detail: S 2 ft at 7 seconds, W 12 ft at 14 seconds and S 2 ft at 16 seconds. A chance of rain in the evening.

TUE
N wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: N 3 ft at 5 seconds, S 5 ft at 8 seconds and W 6 ft at 10 seconds.

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

PZZ130-162230
West Entrance U.S. Waters Strait Of Juan De Fuca
218 AM PDT Fri Oct 16 2026

TODAY
SE wind 5 to 10 kt, becoming NE late this morning, backing to NW this afternoon. Seas 3 to 4 ft. Wave Detail: E 2 ft at 4 seconds and W 4 ft at 14 seconds. A chance of rain late.

TONIGHT
SE wind 5 to 10 kt, becoming SW 10 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 10 to 20 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 11 seconds. A chance of rain in the morning.

SAT NIGHT
W wind 10 to 15 kt, becoming NW around 5 kt 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, rising to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 12 seconds.

MON
E wind 5 to 10 kt, becoming SE in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 13 seconds and W 5 ft at 16 seconds. A chance of rain.

MON NIGHT
E wind around 5 kt. Seas 3 to 5 ft. Wave Detail: SW 2 ft at 9 seconds and W 5 ft at 14 seconds.

TUE
E wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 11 seconds.

TUE NIGHT
N wind around 5 kt, veering to E after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 10 seconds.

PZZ131-162230
Central U.S. Waters Strait Of Juan De Fuca
218 AM PDT Fri Oct 16 2026

SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON

TODAY
Variable wind less than 10 kt becoming W late this morning, rising to 10 to 15 kt late. Waves around 2 ft or less.

TONIGHT
W wind 10 to 15 kt. Waves 1 to 3 ft. A chance of rain.

SAT
W wind 20 to 30 kt. Waves 3 to 5 ft. A chance of rain in the morning.

SAT NIGHT
W wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Waves 3 to 5 ft.

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

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

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

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

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

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

PZZ132-162230
East Entrance U.S. Waters Strait Of Juan De Fuca
218 AM PDT Fri Oct 16 2026

SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON

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

TONIGHT
SW wind 5 to 10 kt, backing to S after midnight. Waves around 2 ft or less, then around 3 ft after midnight. A chance of rain.

SAT
W wind 20 to 30 kt. Waves 3 to 5 ft. A chance of rain in the morning.

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

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

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

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

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

PZZ134-162230
Admiralty Inlet
218 AM PDT Fri Oct 16 2026

TODAY
S wind 5 to 10 kt, becoming SE late this morning, backing to NW this afternoon. Waves around 2 ft or less.

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

SAT
NW wind 5 to 10 kt, becoming 10 to 20 kt in the afternoon. Waves 1 to 3 ft. Rain likely in the morning.

SAT NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Waves around 2 ft or less.

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

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

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

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

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

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

PZZ133-162230
Northern Inland Waters Including The San Juan Islands
218 AM PDT Fri Oct 16 2026

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

TONIGHT
S wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Waves around 2 ft or less. A chance of rain.

SAT
SW wind 10 to 20 kt. Waves 1 to 3 ft. A chance of rain in the morning.

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

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

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

TUE NIGHT
NW wind around 5 kt in the evening, becoming light and variable. Waves around 2 ft or less.

PZZ135-162230
Puget Sound and Hood Canal
218 AM PDT Fri Oct 16 2026

TODAY
S wind 5 to 10 kt, becoming SW this afternoon. Waves around 2 ft or less.

TONIGHT
SW wind 10 to 15 kt, becoming S 15 to 20 kt after midnight. Waves 1 to 3 ft. A chance of rain after midnight.

SAT
SW wind 10 to 20 kt, becoming N 5 to 10 kt in the afternoon. Waves 1 to 3 ft. A chance of rain in the morning.

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

SUN
N wind 5 to 10 kt. Waves 1 ft or less.

SUN NIGHT
N wind 5 to 10 kt, becoming W after midnight. Waves 1 ft or less.

MON
S wind around 5 kt. Waves 1 ft or less.

MON NIGHT
N wind around 5 kt. Waves 1 ft or less.

TUE
N wind around 5 kt, rising to 5 to 10 kt in the afternoon. Waves 1 ft or less.

TUE NIGHT
N wind 5 to 10 kt, easing to around 5 kt after midnight. Waves 1 ft or less.

PZZ110-162230
Grays Harbor Bar
218 AM PDT Fri Oct 16 2026

Combined seas 2 to 4 ft building to 4 to 6 ft tonight and 6 to 8 ft Saturday. Bar conditions light becoming moderate Saturday. Maximum ebb currents will occur around 830 AM and 845 PM today and 945 AM Saturday.