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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 310831
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
131 AM PDT Sat Oct 31 2026

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

PZZ100-312145
131 AM PDT Sat Oct 31 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...Low pressure offshore will start to slowly move south through the weekend, allowing for offshore flow across area waters throughout this time frame. A weak disturbance may allow for increased winds at times early this morning in the coastal waters, but will remain below small craft thresholds and decrease through the day.

PZZ150-312145
Coastal Waters From Cape Flattery To James Island Out 10 Nm
131 AM PDT Sat Oct 31 2026

TODAY
E wind 10 to 15 kt, easing to 5 to 10 kt late. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 5 seconds, W 2 ft at 13 seconds and SW 2 ft at 15 seconds.

TONIGHT
E wind around 5 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 5 seconds, W 2 ft at 12 seconds and SW 2 ft at 15 seconds.

SUN
SE wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 5 seconds, SW 3 ft at 14 seconds and W 3 ft at 19 seconds.

SUN NIGHT
SE wind around 5 kt, rising to around 10 kt after midnight. Seas 5 to 7 ft. Wave Detail: SW 3 ft at 5 seconds, SW 4 ft at 14 seconds and W 7 ft at 17 seconds.

MON
E wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: SW 5 ft at 9 seconds, SW 2 ft at 14 seconds and W 7 ft at 17 seconds.

MON NIGHT
E wind 5 to 10 kt. Seas 7 to 8 ft. Wave Detail: SW 5 ft at 9 seconds, SW 6 ft at 15 seconds and W 6 ft at 16 seconds. A chance of rain in the evening.

TUE
E wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: SW 6 ft at 11 seconds and W 6 ft at 15 seconds.

TUE NIGHT
E wind around 5 kt, veering to SE after midnight. Seas 6 to 8 ft. Wave Detail: SW 6 ft at 11 seconds and W 5 ft at 13 seconds.

WED
SE wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: SW 7 ft at 10 seconds and W 4 ft at 12 seconds. A chance of rain.

WED NIGHT
SE wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: SW 6 ft at 9 seconds, W 7 ft at 15 seconds and SW 2 ft at 15 seconds. Rain likely.

PZZ153-312145
Coastal Waters From James Island To Point Grenville Out 10 Nm
131 AM PDT Sat Oct 31 2026

TODAY
SE wind 10 to 15 kt, easing to 5 to 10 kt late this morning, easing to around 5 kt early this afternoon, backing to NE late. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds, W 2 ft at 13 seconds and SW 2 ft at 15 seconds.

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

SUN
SE wind around 5 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 14 seconds and W 3 ft at 18 seconds.

SUN NIGHT
SE wind around 5 kt, rising to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 3 ft at 8 seconds, SW 3 ft at 14 seconds and W 6 ft at 18 seconds.

MON
SE wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: SW 4 ft at 9 seconds, SW 2 ft at 15 seconds and W 7 ft at 17 seconds.

MON NIGHT
SE wind around 5 kt. Seas 6 to 7 ft. Wave Detail: SW 4 ft at 8 seconds, W 7 ft at 15 seconds and SW 4 ft at 15 seconds.

TUE
E wind around 5 kt. Seas 7 to 8 ft. Wave Detail: SW 6 ft at 12 seconds and W 7 ft at 15 seconds.

TUE NIGHT
SE wind around 5 kt, rising to 5 to 10 kt after midnight. Seas 6 to 8 ft. Wave Detail: SW 6 ft at 11 seconds and W 5 ft at 14 seconds.

WED
SE wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: SW 6 ft at 10 seconds and W 4 ft at 12 seconds. A chance of rain.

WED NIGHT
S wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 6 to 8 ft. Wave Detail: SW 5 ft at 9 seconds, SW 2 ft at 14 seconds and W 7 ft at 15 seconds. Rain likely.

PZZ156-312145
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
131 AM PDT Sat Oct 31 2026

TODAY
E wind 10 to 15 kt, easing to 5 to 10 kt this afternoon. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds, W 2 ft at 13 seconds and SW 2 ft at 15 seconds.

TONIGHT
E wind around 5 kt. Seas around 3 ft. Wave Detail: SW 2 ft at 5 seconds, W 2 ft at 12 seconds and SW 2 ft at 15 seconds.

SUN
E wind 5 to 10 kt, veering to SE in the afternoon. Seas around 3 ft. Wave Detail: SW 2 ft at 15 seconds and W 3 ft at 17 seconds.

SUN NIGHT
SE wind 5 to 10 kt. Seas 3 to 5 ft, building to 5 to 6 ft after midnight. Wave Detail: S 2 ft at 6 seconds, SW 2 ft at 14 seconds and W 6 ft at 18 seconds.

MON
E wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: SW 4 ft at 8 seconds, SW 2 ft at 15 seconds and W 6 ft at 17 seconds.

MON NIGHT
E wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: W 4 ft at 8 seconds, W 6 ft at 15 seconds and SW 5 ft at 15 seconds.

TUE
E wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: SW 6 ft at 12 seconds and W 6 ft at 15 seconds.

TUE NIGHT
SE wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: SW 5 ft at 11 seconds and W 4 ft at 14 seconds.

WED
SE wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: SW 5 ft at 10 seconds and W 3 ft at 12 seconds. A chance of rain.

WED NIGHT
S wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: SW 5 ft at 9 seconds, W 6 ft at 15 seconds and SW 2 ft at 15 seconds. Rain likely.

PZZ170-312145
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
131 AM PDT Sat Oct 31 2026

TODAY
SE wind 15 to 20 kt, becoming E 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: E 5 ft at 5 seconds, W 2 ft at 13 seconds and SW 3 ft at 15 seconds. A chance of showers until late afternoon.

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

SUN
SE wind 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: S 3 ft at 4 seconds, SW 4 ft at 14 seconds and W 4 ft at 19 seconds.

SUN NIGHT
SE wind 10 to 15 kt. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. Wave Detail: S 7 ft at 8 seconds, SW 3 ft at 14 seconds and W 8 ft at 17 seconds.

MON
SE wind 15 to 20 kt. Seas 9 to 11 ft. Wave Detail: S 7 ft at 8 seconds, SW 3 ft at 15 seconds and W 7 ft at 17 seconds. A chance of rain in the afternoon.

MON NIGHT
SE wind 10 to 15 kt. Seas 8 to 10 ft. Wave Detail: SW 6 ft at 9 seconds, SW 7 ft at 13 seconds and W 7 ft at 16 seconds. A chance of rain.

TUE
SE wind 5 to 10 kt. Seas 9 to 10 ft. Wave Detail: SW 7 ft at 11 seconds and W 6 ft at 14 seconds.

TUE NIGHT
SE wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 7 to 8 ft. Wave Detail: SW 7 ft at 11 seconds and W 5 ft at 13 seconds.

WED
SE wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 7 to 9 ft. Wave Detail: S 8 ft at 9 seconds, W 4 ft at 12 seconds and SW 6 ft at 14 seconds. A chance of rain.

WED NIGHT
S wind 15 to 20 kt, easing to around 10 kt after midnight. Seas 8 to 9 ft. Wave Detail: S 7 ft at 9 seconds, W 7 ft at 15 seconds and S 2 ft at 15 seconds. Rain likely, mainly in the evening.

PZZ173-312145
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
131 AM PDT Sat Oct 31 2026

TODAY
SE wind 15 to 20 kt, easing to 10 to 15 kt this afternoon. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 6 seconds, W 2 ft at 13 seconds and SW 3 ft at 15 seconds. Showers likely this morning, then a chance of showers early this afternoon.

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

SUN
SE wind 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 2 ft at 4 seconds, SW 4 ft at 14 seconds and W 4 ft at 19 seconds.

SUN NIGHT
S wind 10 to 15 kt, becoming SE 15 to 20 kt after midnight. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. Wave Detail: S 7 ft at 8 seconds, S 3 ft at 14 seconds and W 7 ft at 17 seconds.

MON
SE wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: S 7 ft at 7 seconds, S 3 ft at 15 seconds and W 7 ft at 17 seconds. A chance of rain in the afternoon.

MON NIGHT
SE wind 10 to 15 kt. Seas 8 to 10 ft. Wave Detail: SW 6 ft at 9 seconds, SW 7 ft at 15 seconds and W 7 ft at 16 seconds. A chance of rain.

TUE
SE wind 5 to 10 kt. Seas 8 to 10 ft. Wave Detail: SW 7 ft at 12 seconds and W 6 ft at 15 seconds.

TUE NIGHT
SE wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 7 to 8 ft. Wave Detail: SW 6 ft at 11 seconds and W 5 ft at 13 seconds.

WED
S wind 15 to 20 kt. Seas 7 to 8 ft. Wave Detail: S 7 ft at 9 seconds, W 4 ft at 12 seconds and SW 6 ft at 15 seconds. A chance of rain.

WED NIGHT
S wind 10 to 15 kt. Seas 8 to 9 ft. Wave Detail: S 7 ft at 9 seconds, W 8 ft at 15 seconds and S 2 ft at 15 seconds. Rain likely, mainly in the evening.

PZZ176-312145
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
131 AM PDT Sat Oct 31 2026

TODAY
SE wind 15 to 20 kt, becoming E 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 5 seconds, W 2 ft at 13 seconds and SW 2 ft at 15 seconds. Showers likely early this morning, then a chance of showers late this morning and early afternoon.

TONIGHT
SE wind around 5 kt. Seas 3 to 5 ft. Wave Detail: S 3 ft at 5 seconds, W 2 ft at 12 seconds and SW 2 ft at 15 seconds.

SUN
SE wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 2 ft at 6 seconds, S 4 ft at 14 seconds and W 4 ft at 17 seconds.

SUN NIGHT
SE wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave Detail: S 5 ft at 8 seconds, S 3 ft at 14 seconds and W 7 ft at 18 seconds.

MON
SE wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: SW 5 ft at 8 seconds, S 3 ft at 15 seconds and W 7 ft at 17 seconds. A chance of rain in the afternoon.

MON NIGHT
SE wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: SW 5 ft at 9 seconds, SW 7 ft at 15 seconds and W 6 ft at 16 seconds. A chance of rain in the evening.

TUE
SE wind around 10 kt. Seas 8 to 9 ft. Wave Detail: SW 7 ft at 12 seconds and W 6 ft at 15 seconds.

TUE NIGHT
SE wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 7 to 8 ft. Wave Detail: SW 6 ft at 11 seconds and W 5 ft at 13 seconds.

WED
S wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 6 to 8 ft. Wave Detail: S 7 ft at 9 seconds, W 4 ft at 12 seconds and SW 6 ft at 15 seconds. A chance of rain.

WED NIGHT
S wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: S 6 ft at 9 seconds, W 8 ft at 15 seconds and SW 2 ft at 15 seconds. Rain likely.

PZZ130-312145
West Entrance U.S. Waters Strait Of Juan De Fuca
131 AM PDT Sat Oct 31 2026

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

TONIGHT
E wind 5 to 10 kt. Seas around 3 ft. Wave Detail: E 2 ft at 3 seconds and W 2 ft at 12 seconds.

SUN
E wind 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft or less, then around 3 ft in the afternoon. Wave Detail: W 2 ft at 15 seconds.

SUN NIGHT
SE wind around 5 kt, backing to E after midnight. Seas 3 to 4 ft. Wave Detail: S 2 ft at 6 seconds and W 4 ft at 17 seconds.

MON
E wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: SE 3 ft at 5 seconds and W 5 ft at 16 seconds.

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

TUE
E wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: E 3 ft at 4 seconds, SW 3 ft at 11 seconds and W 5 ft at 14 seconds.

TUE NIGHT
E wind around 5 kt, rising to around 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 3 ft at 11 seconds and W 4 ft at 13 seconds.

WED
SE wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: SE 2 ft at 4 seconds, SW 2 ft at 10 seconds and W 3 ft at 12 seconds. A chance of rain.

WED NIGHT
SE wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: SW 2 ft at 8 seconds and W 5 ft at 14 seconds. Rain likely.

PZZ131-312145
Central U.S. Waters Strait Of Juan De Fuca
131 AM PDT Sat Oct 31 2026

TODAY
E wind 10 to 15 kt, easing to 5 to 10 kt this afternoon. Waves around 2 ft or less.

TONIGHT
SE wind 5 to 10 kt, becoming S after midnight. Waves around 2 ft or less.

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

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

MON
E wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Waves around 3 ft.

MON NIGHT
E wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Waves around 3 ft.

TUE
E wind 5 to 10 kt. Waves around 3 ft.

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

WED
E wind around 5 kt. Waves around 2 ft or less. A chance of rain in the afternoon.

WED NIGHT
E wind around 5 kt, veering to SE after midnight. Waves around 2 ft or less. A chance of rain.

PZZ132-312145
East Entrance U.S. Waters Strait Of Juan De Fuca
131 AM PDT Sat Oct 31 2026

TODAY
E wind around 5 kt, backing to N early this afternoon, backing to NW late. Waves around 2 ft or less.

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

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

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

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

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

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

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

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

WED NIGHT
SE wind around 5 kt. Waves around 2 ft or less. A chance of rain.

PZZ134-312145
Admiralty Inlet
131 AM PDT Sat Oct 31 2026

TODAY
SE wind around 5 kt early this morning, becoming light and variable, then becoming N 5 to 10 kt this afternoon. Waves around 2 ft or less.

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

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

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

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

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

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

WED NIGHT
SE wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain.

PZZ133-312145
Northern Inland Waters Including The San Juan Islands
131 AM PDT Sat Oct 31 2026

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

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

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

SUN NIGHT
Light and variable winds, becoming E around 5 kt after midnight. Waves around 2 ft or less.

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

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

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

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

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

WED NIGHT
SE wind around 5 kt, rising to 5 to 10 kt after midnight. Waves around 2 ft or less. A chance of rain.

PZZ135-312145
Puget Sound and Hood Canal
131 AM PDT Sat Oct 31 2026

TODAY
N wind around 5 kt, rising to 5 to 10 kt late. Waves around 2 ft or less. Patchy fog this morning.

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

SUN
N wind around 5 kt, veering to E in the afternoon. Waves around 2 ft or less. Patchy fog in the morning.

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

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

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

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

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

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

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

PZZ110-312145
Grays Harbor Bar
131 AM PDT Sat Oct 31 2026

Combined seas 3 to 5 ft. Bar conditions light. Maximum ebb currents will occur around 915 AM and 930 PM Saturday evening, and 930 AM Sunday morning.