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National Weather Service Marine Forecast FZUS56 KSEW
FZUS56 KSEW 131517 AAA
CWFSEW
Coastal Waters Forecast for Washington...UPDATED
National Weather Service Seattle WA
817 AM PDT Sun Sep 13 2026
Inland waters of western Washington and the northern and central Washington coastal waters including the Olympic Coast National Marine Sanctuary
PZZ100-140430
817 AM PDT Sun Sep 13 2026
.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...Weak low pressure over the waters this morning. High pressure will build over the area this afternoon and remain through Wednesday. A thermally induced surface trough will move up the coastline Wednesday night then shift inland Thursday afternoon.
PZZ150-140430
Coastal Waters From Cape Flattery To James Island Out 10 Nm
817 AM PDT Sun Sep 13 2026
TODAY
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft
at 9 seconds and SW 2 ft at 14 seconds.
TONIGHT
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W
4 ft at 8 seconds and SW 2 ft at 14 seconds.
MON
SW wind around 5 kt. Seas around 4 ft. Wave Detail: W 4 ft
at 8 seconds and SW 2 ft at 14 seconds.
MON NIGHT
W wind around 5 kt, veering to NW after midnight.
Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 seconds and SW 2 ft at
14 seconds.
TUE
N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at
8 seconds.
TUE NIGHT
NW wind 5 to 10 kt, becoming N after midnight. Seas
3 to 4 ft. Wave Detail: W 4 ft at 8 seconds.
WED
N wind around 5 kt. Seas around 4 ft. Wave Detail: W 4 ft
at 8 seconds.
WED NIGHT
NW wind 5 to 10 kt, becoming N after midnight. Seas
4 to 5 ft. Wave Detail: W 5 ft at 8 seconds.
THU
NE wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft
at 9 seconds.
THU NIGHT
NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 9 seconds.
PZZ153-140430
Coastal Waters From James Island To Point Grenville Out 10 Nm
817 AM PDT Sun Sep 13 2026
TODAY
SW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft
at 9 seconds and SW 2 ft at 14 seconds. A slight chance of rain
early this morning.
TONIGHT
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft
at 8 seconds and SW 2 ft at 14 seconds.
MON
SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft
at 8 seconds and SW 2 ft at 14 seconds.
MON NIGHT
NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 8 seconds.
TUE
N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at
8 seconds.
TUE NIGHT
N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW
5 ft at 7 seconds.
WED
NE wind around 5 kt, backing to W in the afternoon. Seas
3 to 4 ft. Wave Detail: NW 4 ft at 8 seconds.
WED NIGHT
N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW
5 ft at 8 seconds.
THU
NE wind around 5 kt, backing to W in the afternoon. Seas
3 to 5 ft. Wave Detail: NW 5 ft at 9 seconds.
THU NIGHT
N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 9 seconds.
PZZ156-140430
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
817 AM PDT Sun Sep 13 2026
TODAY
SW wind 5 to 10 kt, rising to 10 to 15 kt late this
morning and early afternoon, then becoming W 5 to 10 kt late.
Seas 3 to 5 ft. Wave Detail: SW 2 ft at 5 seconds, NW 4 ft at
9 seconds and SW 2 ft at 14 seconds. A chance of rain early this
morning, then a slight chance of rain late this morning. A slight
chance of rain late.
TONIGHT
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft
at 5 seconds, W 4 ft at 8 seconds and SW 2 ft at 14 seconds.
MON
SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft
at 8 seconds and SW 2 ft at 14 seconds.
MON NIGHT
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 8 seconds.
TUE
N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at
8 seconds.
TUE NIGHT
N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW
5 ft at 8 seconds.
WED
NE wind around 5 kt, backing to N in the afternoon. Seas
3 to 5 ft. Wave Detail: NW 4 ft at 8 seconds.
WED NIGHT
NW wind 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds.
THU
NE wind around 5 kt, backing to NW in the afternoon. Seas
4 to 5 ft. Wave Detail: NW 5 ft at 9 seconds.
THU NIGHT
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 9 seconds.
PZZ170-140430
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
817 AM PDT Sun Sep 13 2026
TODAY
W wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft
at 8 seconds and SW 2 ft at 14 seconds.
TONIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds and SW
2 ft at 14 seconds.
MON
SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at
8 seconds and SW 2 ft at 14 seconds.
MON NIGHT
W wind 5 to 10 kt, veering to NW after midnight.
Seas 4 to 5 ft. Wave Detail: NW 4 ft at 8 seconds and SW 2 ft at
14 seconds.
TUE
NW wind 10 to 15 kt, becoming N 5 to 10 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and
SW 2 ft at 14 seconds.
TUE NIGHT
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 8 seconds.
WED
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at
8 seconds.
WED NIGHT
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW
6 ft at 9 seconds.
THU
N wind around 5 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft
at 9 seconds.
THU NIGHT
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 9 seconds.
PZZ173-140430
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
817 AM PDT Sun Sep 13 2026
TODAY
W wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft
at 8 seconds and SW 2 ft at 14 seconds.
TONIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 5 to 7 ft, subsiding to 4 to 5 ft after midnight.
Wave Detail: NW 6 ft at 8 seconds and SW 2 ft at 14 seconds.
MON
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at
8 seconds and SW 2 ft at 14 seconds.
MON NIGHT
NW wind 5 to 10 kt, rising to 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and
SW 2 ft at 14 seconds.
TUE
N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft
at 7 seconds and SW 2 ft at 14 seconds.
TUE NIGHT
N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds.
WED
N wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at
8 seconds.
WED NIGHT
N wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW
6 ft at 8 seconds.
THU
N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at
9 seconds.
THU NIGHT
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 9 seconds.
PZZ176-140430
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm
817 AM PDT Sun Sep 13 2026
TODAY
W wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: S 2 ft
at 7 seconds, NW 6 ft at 9 seconds and SW 2 ft at 14 seconds. A
slight chance of rain early this morning.
TONIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and
SW 2 ft at 14 seconds.
MON
W wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 8 seconds and SW 2 ft at 14 seconds.
MON NIGHT
NW wind 5 to 10 kt, rising to 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and
SW 2 ft at 14 seconds.
TUE
N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 7 seconds.
TUE NIGHT
N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
6 ft at 8 seconds.
WED
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at
8 seconds.
WED NIGHT
N wind 10 to 15 kt. Seas 4 to 6 ft, building to 6 to
7 ft after midnight. Wave Detail: NW 7 ft at 9 seconds.
THU
N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at
9 seconds.
THU NIGHT
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW
6 ft at 9 seconds.
PZZ130-140430
West Entrance U.S. Waters Strait Of Juan De Fuca
817 AM PDT Sun Sep 13 2026
TODAY
SW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W
3 ft at 9 seconds.
TONIGHT
SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 8 seconds.
MON
SW wind around 5 kt, veering to NW in the afternoon. Seas
around 3 ft. Wave Detail: W 3 ft at 8 seconds.
MON NIGHT
W wind around 5 kt. Seas around 3 ft. Wave Detail: W
3 ft at 8 seconds.
TUE
NW wind around 5 kt, veering to NE in the afternoon. Seas
around 3 ft. Wave Detail: W 3 ft at 8 seconds. Patchy fog in the
afternoon.
TUE NIGHT
NW wind around 5 kt, veering to NE after midnight.
Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds.
WED
E wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at
8 seconds.
WED NIGHT
NW wind around 5 kt, veering to NE after midnight.
Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds.
THU
E wind 5 to 10 kt, easing to around 5 kt in the afternoon.
Seas 3 to 4 ft. Wave Detail: E 2 ft at 3 seconds and W 4 ft at
9 seconds.
THU NIGHT
NW wind around 5 kt, backing to SW after midnight.
Seas around 3 ft. Wave Detail: W 3 ft at 9 seconds.
PZZ131-140430
Central U.S. Waters Strait Of Juan De Fuca
817 AM PDT Sun Sep 13 2026
SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM PDT THIS EVENING THROUGH LATE TONIGHT
TODAY
W wind 15 to 20 kt, easing to 10 to 15 kt late this
morning and early afternoon, rising to 15 to 20 kt late. Waves
3 to 4 ft.
TONIGHT
W wind 15 to 25 kt. Waves 3 to 5 ft.
MON
W wind 5 to 10 kt. Waves around 2 ft or less.
MON NIGHT
W wind 5 to 10 kt. Waves around 2 ft or less.
TUE
W wind 5 to 10 kt, becoming N in the afternoon. Waves
around 2 ft or less.
TUE NIGHT
W wind around 5 kt. Waves around 2 ft or less.
WED
E wind around 5 kt. Waves around 2 ft or less.
WED NIGHT
NW wind around 5 kt, veering to SE after midnight.
Waves around 2 ft or less.
THU
E wind 5 to 10 kt. Waves around 2 ft or less.
THU NIGHT
W wind around 5 kt. Waves around 2 ft or less.
PZZ132-140430
East Entrance U.S. Waters Strait Of Juan De Fuca
817 AM PDT Sun Sep 13 2026
SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM PDT THIS EVENING THROUGH LATE TONIGHT
TODAY
W wind 10 to 15 kt, becoming SW 5 to 10 kt late this
morning and early afternoon, then becoming S 10 to 15 kt late.
Waves around 3 ft this morning, then around 2 ft or less. A
slight chance of rain early this morning.
TONIGHT
SW wind 15 to 25 kt, becoming S after midnight. Waves
3 to 4 ft.
MON
SE wind around 5 kt. Waves around 2 ft or less.
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 in the evening, becoming light
and variable. Waves around 2 ft or less.
THU
NW wind around 5 kt. Waves around 2 ft or less.
THU NIGHT
W wind around 5 kt in the evening, becoming light
and variable. Waves around 2 ft or less.
PZZ134-140430
Admiralty Inlet
817 AM PDT Sun Sep 13 2026
TODAY
S wind around 5 kt, backing to SE late this morning and
afternoon. Waves around 2 ft or less. A chance of rain this
morning.
TONIGHT
SE wind 5 to 10 kt, easing to around 5 kt after
midnight. 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
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, 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, easing to around 5 kt after
midnight. Waves around 2 ft or less.
THU
NW wind around 5 kt, rising to around 10 kt in the
afternoon. Waves around 2 ft or less.
THU NIGHT
NW wind 5 to 10 kt in the evening, becoming light
and variable. Waves around 2 ft or less.
PZZ133-140430
Northern Inland Waters Including The San Juan Islands
817 AM PDT Sun Sep 13 2026
SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM PDT THIS EVENING THROUGH LATE TONIGHT
TODAY
S wind 5 to 10 kt, rising to 15 to 20 kt late. Waves
around 2 ft or less. A chance of rain early this morning.
TONIGHT
S wind 15 to 25 kt. Waves 2 to 4 ft.
MON
S wind 5 to 10 kt. Waves around 2 ft or less.
MON NIGHT
S 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 in the evening, becoming light
and variable. Waves around 2 ft or less.
WED
N wind around 5 kt, backing to NW in the afternoon. Waves
around 2 ft or less.
WED NIGHT
NW wind around 5 kt. Waves around 2 ft or less.
THU
N wind around 5 kt, backing to NW in the afternoon. Waves
around 2 ft or less.
THU NIGHT
W wind around 5 kt in the evening, becoming light
and variable. Waves around 2 ft or less.
PZZ135-140430
Puget Sound and Hood Canal
817 AM PDT Sun Sep 13 2026
SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM PDT THIS EVENING THROUGH LATE TONIGHT
TODAY
S wind 5 to 10 kt, rising to 10 to 20 kt late. Waves
around 2 ft or less. Rain early this morning, then a chance of
rain late this morning. A slight chance of rain early this
afternoon.
TONIGHT
S wind 15 to 25 kt. Waves 2 to 3 ft.
MON
S wind 5 to 10 kt, easing to around 5 kt in the afternoon.
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, rising to 5 to 10 kt in the afternoon.
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.
THU
N wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Waves around 2 ft or less.
THU NIGHT
N wind around 5 kt. Waves around 2 ft or less.
PZZ110-140430
Grays Harbor Bar
817 AM PDT Sun Sep 13 2026
Combined seas 3 to 5 ft. Bar conditions light. Maximum ebb currents will occur around 645 PM tonight and 7 AM Monday. The evening ebb will be strong.