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National Weather Service Marine Forecast FZUS56 KSEW
FZUS56 KSEW 030829
CWFSEW
Coastal Waters Forecast for Washington
National Weather Service Seattle WA
129 AM PDT Sat Oct 3 2026
Inland waters of western Washington and the northern and central Washington coastal waters including the Olympic Coast National Marine Sanctuary
PZZ100-032130
129 AM PDT Sat Oct 3 2026
.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...Offshore flow will prevail this weekend with a thermal trough along the coast. The flow will turn onshore early next week as low pressure shifts inland.
PZZ150-032130
Coastal Waters From Cape Flattery To James Island Out 10 Nm
129 AM PDT Sat Oct 3 2026
TODAY
NE wind 5 to 10 kt, becoming N 10 to 15 kt late. Seas
3 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at
16 seconds.
TONIGHT
N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 8 seconds and
SW 2 ft at 15 seconds.
SUN
N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at
7 seconds and SW 2 ft at 15 seconds.
SUN NIGHT
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W
5 ft at 8 seconds and SW 2 ft at 15 seconds.
MON
W wind around 5 kt. Seas around 5 ft. Wave Detail: W 5 ft
at 9 seconds and SW 2 ft at 15 seconds.
MON NIGHT
NW wind around 5 kt. Seas around 5 ft. Wave Detail:
W 4 ft at 11 seconds and SW 2 ft at 14 seconds.
TUE
NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft
at 10 seconds and SW 2 ft at 14 seconds.
TUE NIGHT
NW wind 5 to 10 kt, easing to around 5 kt after
midnight. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds and
SW 2 ft at 14 seconds.
WED
N wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Seas 4 to 6 ft. Wave Detail: W 4 ft at 10 seconds and W 6 ft at
15 seconds.
WED NIGHT
N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W
6 ft at 11 seconds and W 6 ft at 14 seconds.
PZZ153-032130
Coastal Waters From James Island To Point Grenville Out 10 Nm
129 AM PDT Sat Oct 3 2026
TODAY
N wind around 5 kt, backing to NW late. Seas 3 to 4 ft.
Wave Detail: W 4 ft at 9 seconds. Patchy dense fog early this
morning.
TONIGHT
N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 8 seconds.
SUN
N wind around 5 kt, backing to NW in the afternoon. Seas
3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds and SW 2 ft at
15 seconds.
SUN NIGHT
NW wind 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and
SW 2 ft at 15 seconds.
MON
NW wind 5 to 10 kt. Seas around 5 ft. Wave Detail: W 5 ft
at 9 seconds.
MON NIGHT
N wind 5 to 10 kt. Seas around 5 ft. Wave Detail: W
5 ft at 11 seconds.
TUE
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at
10 seconds.
TUE NIGHT
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 11 seconds and SW 2 ft at 15 seconds.
WED
N wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at
10 seconds and W 6 ft at 15 seconds.
WED NIGHT
N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 14 seconds and
W 6 ft at 15 seconds.
PZZ156-032130
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
129 AM PDT Sat Oct 3 2026
TODAY
N wind 5 to 10 kt, rising to 10 to 15 kt late. Seas 3 to
5 ft. Wave Detail: W 4 ft at 8 seconds.
TONIGHT
N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 8 seconds.
SUN
N wind around 5 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 8 seconds and
SW 2 ft at 15 seconds.
SUN NIGHT
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 7 seconds.
MON
NW wind 10 to 15 kt. Seas around 5 ft. Wave Detail: NW
5 ft at 9 seconds.
MON NIGHT
NW wind 10 to 15 kt. Seas around 5 ft. Wave Detail:
NW 5 ft at 10 seconds.
TUE
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 10 seconds.
TUE NIGHT
N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW
6 ft at 8 seconds and SW 2 ft at 16 seconds.
WED
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at
10 seconds and W 5 ft at 15 seconds.
WED NIGHT
N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 5 to 8 ft, building to 7 to 8 ft after midnight.
Wave Detail: NW 8 ft at 13 seconds and SW 4 ft at 15 seconds.
PZZ170-032130
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
129 AM PDT Sat Oct 3 2026
TODAY
N wind 5 to 10 kt, rising to 10 to 15 kt late. Seas 4 to
5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 17 seconds.
TONIGHT
N 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 and
SW 2 ft at 15 seconds.
SUN
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 6 seconds and SW 2 ft at 15 seconds.
SUN NIGHT
NW wind around 10 kt. Seas around 5 ft. Wave Detail:
NW 5 ft at 8 seconds and SW 2 ft at 15 seconds.
MON
NW wind 5 to 10 kt. Seas around 5 ft. Wave Detail: W 5 ft
at 9 seconds and SW 2 ft at 15 seconds.
MON NIGHT
NW wind 5 to 10 kt. Seas around 5 ft. Wave Detail:
NW 5 ft at 10 seconds and SW 2 ft at 15 seconds.
TUE
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 9 seconds and SW 2 ft at 15 seconds.
TUE NIGHT
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 9 seconds and SW 2 ft at 15 seconds.
WED
N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at
10 seconds and W 6 ft at 15 seconds.
WED NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 12 seconds and
W 6 ft at 14 seconds.
PZZ173-032130
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
129 AM PDT Sat Oct 3 2026
TODAY
N wind 5 to 10 kt, rising to 10 to 15 kt late. Seas 4 to
5 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 16 seconds.
TONIGHT
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 8 seconds and SW 2 ft at 15 seconds.
SUN
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 6 seconds and SW 2 ft at 15 seconds.
SUN NIGHT
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 8 seconds and SW 2 ft at 15 seconds.
MON
NW wind 5 to 10 kt. Seas around 5 ft. Wave Detail: W 5 ft
at 9 seconds and SW 2 ft at 15 seconds.
MON NIGHT
NW wind around 10 kt. Seas around 5 ft. Wave Detail:
NW 5 ft at 9 seconds and SW 2 ft at 15 seconds.
TUE
N wind around 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 9 seconds and SW 2 ft at 14 seconds.
TUE NIGHT
N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
6 ft at 8 seconds and SW 2 ft at 15 seconds.
WED
N wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft
at 9 seconds and W 7 ft at 15 seconds.
WED NIGHT
N wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: NW
8 ft at 12 seconds and W 7 ft at 14 seconds.
PZZ176-032130
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm
129 AM PDT Sat Oct 3 2026
TODAY
N wind 5 to 10 kt, rising to 10 to 15 kt late. Seas 4 to
5 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 16 seconds.
TONIGHT
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 8 seconds and SW 2 ft at 15 seconds.
SUN
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 7 seconds and SW 2 ft at 15 seconds.
SUN NIGHT
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 15 seconds.
MON
NW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Seas around 5 ft. Wave Detail: NW 5 ft at 8 seconds
and SW 2 ft at 14 seconds.
MON NIGHT
N wind 10 to 15 kt. Seas around 5 ft. Wave Detail:
NW 5 ft at 9 seconds and SW 2 ft at 15 seconds.
TUE
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 5 ft at
8 seconds and SW 2 ft at 14 seconds.
TUE NIGHT
N wind around 15 kt. Seas 5 to 6 ft. Wave Detail: N
6 ft at 8 seconds and SW 2 ft at 15 seconds.
WED
N wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft
at 10 seconds and W 7 ft at 15 seconds.
WED NIGHT
N wind 10 to 15 kt. Seas 6 to 8 ft, building to 8 to
9 ft after midnight. Wave Detail: NW 8 ft at 13 seconds and SW
6 ft at 15 seconds.
PZZ130-032130
West Entrance U.S. Waters Strait Of Juan De Fuca
129 AM PDT Sat Oct 3 2026
TODAY
NE wind around 5 kt. Seas around 3 ft. Wave Detail: W
3 ft at 8 seconds.
TONIGHT
NW wind around 5 kt, veering to NE after midnight.
Seas around 3 ft in the evening, then around 2 ft or less. Wave
Detail: W 2 ft at 8 seconds.
SUN
NE wind around 5 kt, backing to NW around 5 kt in the
afternoon. Seas around 3 ft. Wave Detail: W 3 ft at 8 seconds.
SUN NIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 9 seconds.
MON
W wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at
10 seconds.
MON NIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 11 seconds.
TUE
W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
10 seconds.
TUE NIGHT
NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 10 seconds.
WED
N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at
10 seconds and W 4 ft at 15 seconds.
WED NIGHT
NW wind around 5 kt, veering to NE around 5 kt after
midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 13 seconds.
PZZ131-032130
Central U.S. Waters Strait Of Juan De Fuca
129 AM PDT Sat Oct 3 2026
TODAY
E wind 5 to 10 kt, backing to NE late. Waves around 2 ft
or less.
TONIGHT
W wind around 5 kt. Waves around 2 ft or less.
SUN
NW wind around 5 kt. Waves around 2 ft or less.
SUN NIGHT
W wind 5 to 10 kt, rising to 15 to 20 kt after
midnight. Waves around 2 ft or less, then 3 to 4 ft after
midnight.
MON
W wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Waves 3 to 4 ft.
MON NIGHT
W wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Waves around 3 ft.
TUE
W wind 5 to 10 kt, becoming NW in the afternoon. Waves
around 2 ft or less.
TUE NIGHT
W wind around 5 kt. Waves around 2 ft or less.
WED
W wind around 5 kt, veering to NE around 5 kt in the
afternoon. Waves around 2 ft or less.
WED NIGHT
NW wind around 5 kt. Waves around 2 ft or less.
PZZ132-032130
East Entrance U.S. Waters Strait Of Juan De Fuca
129 AM PDT Sat Oct 3 2026
TODAY
NW wind around 5 kt. Waves around 2 ft or less.
TONIGHT
W wind around 5 kt. Waves around 2 ft or less.
SUN
NW wind around 5 kt. Waves around 2 ft or less.
SUN NIGHT
W wind around 5 kt, rising to 15 to 20 kt after
midnight. Waves around 2 ft or less, then 3 to 4 ft after
midnight.
MON
W wind 15 to 20 kt, easing to around 5 kt in the
afternoon. Waves 3 to 4 ft.
MON NIGHT
W 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
W wind around 5 kt. Waves around 2 ft or less.
WED
NW wind around 5 kt. Waves around 2 ft or less.
WED NIGHT
NW wind around 5 kt. Waves around 2 ft or less.
PZZ134-032130
Admiralty Inlet
129 AM PDT Sat Oct 3 2026
TODAY
NW wind 5 to 10 kt. 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, 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
SW wind 5 to 10 kt, veering to NW in the afternoon. Waves
around 2 ft or less.
MON NIGHT
NW wind around 5 kt. Waves around 2 ft or less.
TUE
NW wind around 5 kt, rising to 5 to 10 kt in the
afternoon. Waves around 2 ft or less.
TUE NIGHT
NW wind 5 to 10 kt. Waves around 2 ft or less.
WED
NW wind 5 to 10 kt. Waves around 2 ft or less.
WED NIGHT
NW wind 5 to 10 kt. Waves around 2 ft or less.
PZZ133-032130
Northern Inland Waters Including The San Juan Islands
129 AM PDT Sat Oct 3 2026
TODAY
NW wind 5 to 10 kt. Waves around 2 ft or less. Patchy
dense fog early this morning.
TONIGHT
NW wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
SUN
Light and variable winds, becoming NW around 5 kt in the
afternoon. Waves around 2 ft or less.
SUN NIGHT
W wind around 5 kt, backing to S after midnight.
Waves around 2 ft or less.
MON
S wind around 5 kt. Waves around 2 ft or less.
MON NIGHT
S wind around 5 kt. Waves around 2 ft or less.
TUE
NE 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.
WED
Light and variable winds, becoming NW around 5 kt in the
afternoon. Waves around 2 ft or less.
WED NIGHT
NW wind around 5 kt in the evening, becoming light
and variable. Waves around 2 ft or less.
PZZ135-032130
Puget Sound and Hood Canal
129 AM PDT Sat Oct 3 2026
TODAY
N wind 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.
SUN
N wind around 5 kt. Waves around 2 ft or less.
SUN NIGHT
N wind around 5 kt in the evening, becoming light
and variable. Waves around 2 ft or less.
MON
Light and variable winds, becoming W around 5 kt in the
afternoon. 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 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, easing to around 5 kt after
midnight. Waves around 2 ft or less.
PZZ110-032130
Grays Harbor Bar
129 AM PDT Sat Oct 3 2026
Combined seas 3 to 5 ft. Bar conditions light. Maximum ebb currents will occur around 1030 AM Saturday, 1100 PM Saturday, and 1200 PM Sunday.