National Weather Service Marine Forecast FZUS56 KSEW
FZUS56 KSEW 210924
CWFSEW
Coastal Waters Forecast for Washington
National Weather Service Seattle WA
224 AM PDT Tue Apr 21 2026
Inland waters of western Washington and the northern and central Washington coastal waters including the Olympic Coast National Marine Sanctuary
PZZ100-212230
224 AM PDT Tue Apr 21 2026
.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...Onshore flow today as a broad area of low pressure south of the waters shifts inland. Seas will build over 10 ft Wednesday over the outer coastal waters. This weak low pressure will remain over area waters with broad ridging well offshore resulting in generally light onshore flow. This general pattern will continue through much of this week.
PZZ150-212230
Coastal Waters From Cape Flattery To James Island Out 10 Nm
224 AM PDT Tue Apr 21 2026
SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING
TODAY
SW wind 5 to 10 kt, veering to W this afternoon. Seas
4 to 6 ft. Wave Detail: S 3 ft at 7 seconds, W 4 ft at 9 seconds
and W 3 ft at 16 seconds. A chance of rain until late afternoon,
then rain likely late.
TONIGHT
SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: SW
3 ft at 7 seconds, W 4 ft at 9 seconds and W 5 ft at 14 seconds.
Rain likely, mainly in the evening.
WED
W wind around 10 kt. Seas 6 to 7 ft, building to 7 to
10 ft in the afternoon. Wave Detail: W 10 ft at 12 seconds.
WED NIGHT
W wind around 10 kt, backing to S after midnight.
Seas 9 to 12 ft. Wave Detail: W 12 ft at 12 seconds.
THU
SE wind 5 to 10 kt, veering to SW in the afternoon. Seas
8 to 10 ft, subsiding to 6 to 8 ft in the afternoon. Wave Detail:
W 9 ft at 12 seconds.
THU NIGHT
NW wind 5 to 10 kt, becoming W after midnight. Seas
5 to 7 ft. Wave Detail: W 7 ft at 11 seconds.
FRI
NE wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at
10 seconds.
FRI NIGHT
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N
2 ft at 4 seconds, W 4 ft at 10 seconds and W 2 ft at 15 seconds.
SAT
NE wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft
at 11 seconds and W 4 ft at 16 seconds.
SAT NIGHT
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW
4 ft at 9 seconds and W 7 ft at 15 seconds.
PZZ153-212230
Coastal Waters From James Island To Point Grenville Out 10 Nm
224 AM PDT Tue Apr 21 2026
SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING
TODAY
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SW 3 ft
at 7 seconds, W 4 ft at 9 seconds and W 3 ft at 16 seconds. Rain
likely this morning, then a chance of rain early this afternoon.
Rain late.
TONIGHT
W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: S 2 ft
at 7 seconds, W 5 ft at 9 seconds and W 5 ft at 14 seconds. Rain
likely.
WED
W wind 10 to 15 kt. Seas 6 to 7 ft, building to 7 to 10 ft
in the afternoon. Wave Detail: W 10 ft at 13 seconds.
WED NIGHT
W wind around 10 kt, backing to S after midnight.
Seas 9 to 12 ft. Wave Detail: W 11 ft at 12 seconds.
THU
SE wind 5 to 10 kt, veering to W in the afternoon. Seas
7 to 10 ft, subsiding to 6 to 8 ft in the afternoon. Wave Detail:
W 9 ft at 11 seconds.
THU NIGHT
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W
7 ft at 11 seconds.
FRI
NE wind around 5 kt, backing to NW around 5 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 10 seconds.
FRI NIGHT
N wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: N
4 ft at 4 seconds, W 5 ft at 9 seconds and W 2 ft at 16 seconds.
SAT
NE wind around 5 kt, backing to NW around 5 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 11 seconds and
W 3 ft at 17 seconds.
SAT NIGHT
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: N
2 ft at 5 seconds, NW 5 ft at 9 seconds and W 7 ft at 15 seconds.
PZZ156-212230
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
224 AM PDT Tue Apr 21 2026
SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING
TODAY
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SW 3 ft
at 7 seconds, W 4 ft at 10 seconds and W 3 ft at 17 seconds.
Rain.
TONIGHT
W wind 5 to 10 kt, rising to 10 to 15 kt after
midnight. Seas 4 to 5 ft, building to 5 to 7 ft after midnight.
Wave Detail: SW 2 ft at 6 seconds, W 5 ft at 9 seconds and W 4 ft
at 15 seconds. A chance of rain in the evening, then rain likely
after midnight.
WED
W wind around 15 kt. Seas 6 to 7 ft, building to 6 to 9 ft
in the afternoon. Wave Detail: W 9 ft at 13 seconds. A chance of
rain in the morning.
WED NIGHT
W wind 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Seas 8 to 11 ft. Wave Detail: W 11 ft at 12 seconds.
THU
S wind 5 to 10 kt. Seas 6 to 9 ft. Wave Detail: W 9 ft at
11 seconds.
THU NIGHT
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW
7 ft at 11 seconds.
FRI
N wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at
10 seconds.
FRI NIGHT
N wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW
4 ft at 5 seconds, NW 5 ft at 9 seconds and W 2 ft at 16 seconds.
SAT
NE wind around 5 kt, backing to NW in the afternoon. Seas
4 to 5 ft. Wave Detail: NW 5 ft at 9 seconds and W 3 ft at
17 seconds.
SAT NIGHT
NW wind 5 to 10 kt. Seas 5 to 8 ft. Wave Detail: NW
3 ft at 4 seconds, NW 7 ft at 9 seconds and W 5 ft at 15 seconds.
PZZ170-212230
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
224 AM PDT Tue Apr 21 2026
SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING
TODAY
SW wind 10 to 15 kt, becoming W 5 to 10 kt this
afternoon. Seas 5 to 7 ft. Wave Detail: S 3 ft at 7 seconds, W
4 ft at 9 seconds and W 4 ft at 16 seconds. Rain likely.
TONIGHT
W wind 10 to 15 kt. Seas 6 to 7 ft, building to 6 to
9 ft after midnight. Wave Detail: S 2 ft at 7 seconds, NW 5 ft at
9 seconds and W 8 ft at 14 seconds. Rain likely, mainly in the
evening.
WED
NW wind 15 to 20 kt, rising to 20 to 25 kt in the
afternoon. Seas 8 to 11 ft, building to 11 to 15 ft in the
afternoon. Wave Detail: NW 15 ft at 12 seconds.
WED NIGHT
NW wind 15 to 20 kt. Seas 13 to 18 ft, subsiding to
11 to 14 ft after midnight. Wave Detail: NW 16 ft at 12 seconds.
THU
E wind 5 to 10 kt, backing to W in the afternoon. Seas
8 to 11 ft, subsiding to 8 to 9 ft in the afternoon. Wave Detail:
NW 10 ft at 11 seconds.
THU NIGHT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW
8 ft at 11 seconds.
FRI
N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at
10 seconds and W 2 ft at 16 seconds.
FRI NIGHT
NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 9 seconds and W 3 ft at 18 seconds.
SAT
N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at
9 seconds and W 4 ft at 16 seconds.
SAT NIGHT
NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: NW
5 ft at 9 seconds and NW 8 ft at 15 seconds.
PZZ173-212230
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
224 AM PDT Tue Apr 21 2026
SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING
TODAY
SW wind 10 to 15 kt, becoming W 5 to 10 kt this
afternoon. Seas 5 to 6 ft. Wave Detail: S 3 ft at 7 seconds, NW
5 ft at 9 seconds and W 4 ft at 16 seconds. Rain likely this
morning, then a chance of rain early this afternoon. Rain likely
late.
TONIGHT
W wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: S
2 ft at 7 seconds, NW 6 ft at 9 seconds and W 8 ft at 14 seconds.
Rain likely, mainly in the evening.
WED
NW wind 15 to 20 kt, rising to 20 to 25 kt in the
afternoon. Seas 8 to 11 ft, building to 11 to 15 ft in the
afternoon. Wave Detail: NW 2 ft at 5 seconds and W 15 ft at
12 seconds.
WED NIGHT
NW wind 20 to 25 kt, easing to 15 to 20 kt after
midnight. Seas 13 to 18 ft, subsiding to 11 to 14 ft after
midnight. Wave Detail: NW 2 ft at 5 seconds and NW 16 ft at
11 seconds.
THU
E wind 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Seas 10 to 11 ft, subsiding to 8 to 9 ft in the
afternoon. Wave Detail: NW 11 ft at 11 seconds.
THU NIGHT
NW wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: NW
8 ft at 11 seconds.
FRI
N wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at
10 seconds and W 2 ft at 16 seconds.
FRI NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW
3 ft at 4 seconds, NW 6 ft at 9 seconds and W 3 ft at 17 seconds.
SAT
N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at
9 seconds and W 4 ft at 17 seconds.
SAT NIGHT
NW wind 10 to 15 kt. Seas 6 to 9 ft. Wave Detail: N
2 ft at 5 seconds, NW 6 ft at 9 seconds and W 8 ft at 15 seconds.
PZZ176-212230
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm
224 AM PDT Tue Apr 21 2026
SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING
TODAY
W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: S 3 ft
at 7 seconds, W 4 ft at 10 seconds and W 3 ft at 16 seconds.
Rain, mainly this morning.
TONIGHT
W wind 5 to 10 kt, rising to 10 to 15 kt after
midnight. Seas 5 to 8 ft. Wave Detail: SW 2 ft at 7 seconds, NW
6 ft at 9 seconds and W 5 ft at 14 seconds. A chance of rain in
the evening, then rain likely after midnight.
WED
NW wind 15 to 20 kt. Seas 7 to 9 ft, building to 10 to
14 ft in the afternoon. Wave Detail: W 14 ft at 12 seconds.
WED NIGHT
NW wind 15 to 20 kt. Seas 12 to 15 ft, subsiding to
11 to 13 ft after midnight. Wave Detail: NW 14 ft at 11 seconds.
THU
N wind 5 to 10 kt, backing to SW in the afternoon. Seas
10 to 11 ft, subsiding to 8 to 9 ft in the afternoon. Wave
Detail: NW 11 ft at 11 seconds.
THU NIGHT
NW wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: NW
8 ft at 11 seconds.
FRI
N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at
10 seconds.
FRI NIGHT
N wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW
2 ft at 4 seconds, NW 6 ft at 9 seconds and W 2 ft at 15 seconds.
SAT
N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NE 2 ft at
4 seconds, NW 6 ft at 9 seconds and W 4 ft at 17 seconds.
SAT NIGHT
NW wind 10 to 15 kt. Seas 6 to 9 ft. Wave Detail: NE
2 ft at 5 seconds, NW 7 ft at 9 seconds and W 5 ft at 15 seconds.
PZZ130-212230
West Entrance U.S. Waters Strait Of Juan De Fuca
224 AM PDT Tue Apr 21 2026
TODAY
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft
at 9 seconds and W 2 ft at 15 seconds. A chance of rain until
late afternoon, then rain likely late.
TONIGHT
W wind around 10 kt. Seas 3 to 5 ft. Wave Detail: W
4 ft at 9 seconds and W 4 ft at 14 seconds. Rain likely, mainly
in the evening.
WED
W wind 5 to 10 kt. Seas 3 to 5 ft, building to 5 to 7 ft
in the afternoon. Wave Detail: W 7 ft at 12 seconds.
WED NIGHT
SW wind 5 to 10 kt. Seas 6 to 9 ft, subsiding to
5 to 7 ft after midnight. Wave Detail: W 9 ft at 12 seconds.
THU
W wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Seas 5 to 7 ft. Wave Detail: W 7 ft at 11 seconds.
THU NIGHT
W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W
5 ft at 11 seconds.
FRI
E wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at
10 seconds.
FRI NIGHT
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
2 ft at 4 seconds and NW 4 ft at 10 seconds.
SAT
E wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at
12 seconds and W 2 ft at 16 seconds.
SAT NIGHT
W wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 9 seconds and W 5 ft at 15 seconds.
PZZ131-212230
Central U.S. Waters Strait Of Juan De Fuca
224 AM PDT Tue Apr 21 2026
SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING
TODAY
W wind 5 to 10 kt, rising to 20 to 25 kt. Waves 3 to 4
ft. A slight chance of rain early this morning, then a chance of
rain late this morning and afternoon.
TONIGHT
W wind 20 to 25 kt, easing to 10 to 15 kt after
midnight. Waves 3 to 5 ft. A chance of rain.
WED
W wind 10 to 15 kt, becoming NW 15 to 20 kt in the
afternoon. Waves 3 to 4 ft.
WED NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Waves 3 to 4 ft.
THU
W wind 5 to 10 kt, becoming N in the afternoon. Waves 3 to
4 ft.
THU NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Waves around 3 ft.
FRI
NE wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. Waves around 3 ft.
FRI NIGHT
NW wind 5 to 10 kt, backing to W after midnight.
Waves around 3 ft in the evening, then around 2 ft or less.
SAT
NE wind 5 to 10 kt. Waves around 2 ft or less, then around
3 ft in the afternoon.
SAT NIGHT
W wind 5 to 10 kt. Waves around 2 ft or less.
PZZ132-212230
East Entrance U.S. Waters Strait Of Juan De Fuca
224 AM PDT Tue Apr 21 2026
SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING
TODAY
SW wind 5 to 10 kt, becoming W 10 to 15 kt early this
afternoon, rising to 15 to 20 kt late. Waves around 2 ft or less,
then 3 to 4 ft this afternoon. A slight chance of rain until late
afternoon, then a chance of rain late.
TONIGHT
W wind 15 to 25 kt. Waves 3 to 4 ft. A chance of rain.
WED
W wind 10 to 15 kt. Waves 3 to 4 ft. A chance of rain in
the morning.
WED NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Waves around 3 ft.
THU
W wind 5 to 10 kt. Waves around 2 ft or less.
THU NIGHT
W wind 10 to 15 kt. Waves around 2 ft or less, then
around 3 ft after midnight.
FRI
NW wind 5 to 10 kt. Waves around 2 ft or less.
FRI NIGHT
W wind 5 to 10 kt. Waves around 2 ft or less.
SAT
NW wind around 5 kt. Waves around 1 ft or less.
SAT NIGHT
W wind around 5 kt. Waves around 1 ft or less.
PZZ134-212230
Admiralty Inlet
224 AM PDT Tue Apr 21 2026
TODAY
S wind around 5 kt, veering to NW. Waves around 1 ft or
less. A slight chance of rain this morning, then a chance of rain
this afternoon.
TONIGHT
NW wind 5 to 10 kt, backing to SW after midnight.
Waves around 2 ft or less. Rain likely.
WED
SW wind around 5 kt. Waves around 1 ft or less. A chance
of rain in the morning.
WED NIGHT
S wind 5 to 10 kt. Waves around 2 ft or less.
THU
S wind around 5 kt, veering to NW in the afternoon. Waves
around 1 ft or less.
THU NIGHT
NW wind 5 to 10 kt, becoming S after midnight. Waves
around 2 ft or less.
FRI
NW wind around 5 kt, rising to 10 to 15 kt in the
afternoon. Waves around 2 ft or less.
FRI NIGHT
NW wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
SAT
NW wind around 5 kt, rising to 5 to 10 kt in the
afternoon. Waves around 2 ft or less.
SAT NIGHT
NW wind 5 to 10 kt, backing to SW after midnight.
Waves around 2 ft or less.
PZZ133-212230
Northern Inland Waters Including The San Juan Islands
224 AM PDT Tue Apr 21 2026
TODAY
S wind 5 to 10 kt, veering to SW late. Waves around 2 ft
or less. A slight chance of rain late this morning and early
afternoon. A chance of rain late.
TONIGHT
SW wind 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Waves around 2 ft or less. A chance of rain.
WED
W wind 5 to 10 kt. Waves around 2 ft or less.
WED NIGHT
S wind 5 to 10 kt. Waves around 2 ft or less.
THU
SE wind 5 to 10 kt, veering to W in the afternoon. Waves
around 2 ft or less.
THU NIGHT
SW wind 5 to 10 kt, backing to SE after midnight.
Waves around 2 ft or less.
FRI
N wind around 5 kt, backing to NW in the afternoon. Waves
around 1 ft or less.
FRI NIGHT
NW wind 5 to 10 kt, becoming N after midnight. Waves
around 2 ft or less.
SAT
NE wind around 5 kt, backing to NW in the afternoon. Waves
around 1 ft or less.
SAT NIGHT
W wind around 5 kt, backing to S after midnight.
Waves around 1 ft or less.
PZZ135-212230
Puget Sound and Hood Canal
224 AM PDT Tue Apr 21 2026
TODAY
S wind 5 to 10 kt. Waves around 2 ft or less. A chance
of rain this morning, then rain likely this afternoon.
TONIGHT
SW wind 5 to 10 kt. Waves around 2 ft or less. Rain
likely.
WED
SW wind 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Waves around 2 ft or less. Rain likely, mainly in the
morning.
WED NIGHT
S wind 10 to 15 kt. Waves around 2 ft or less.
THU
SW wind 5 to 10 kt, becoming NW in the afternoon. Waves
around 2 ft or less.
THU NIGHT
NW wind around 5 kt, backing to S after midnight.
Waves around 1 ft or less.
FRI
N wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Waves around 2 ft or less.
FRI NIGHT
N wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
SAT
N wind around 5 kt. Waves around 1 ft or less.
SAT NIGHT
N wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
PZZ110-212230
Grays Harbor Bar
224 AM PDT Tue Apr 21 2026
Combined seas 4 to 6 ft. Bar conditions generally light. Maximum ebb currents will occur around 800 AM this morning, 845 PM this evening and 900 AM Wednesday morning. The ebb this morning will be very strong, the ebb Wednesday morning will be strong.