National Weather Service Marine Forecast FZUS56 KSEW
FZUS56 KSEW 200915
CWFSEW
Coastal Waters Forecast for Washington
National Weather Service Seattle WA
215 AM PDT Wed May 20 2026
Inland waters of western Washington and the northern and central Washington coastal waters including the Olympic Coast National Marine Sanctuary
PZZ100-202215
215 AM PDT Wed May 20 2026
.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...High pressure will remain offshore throughout the week, with westerly pushes expected through the Strait of Juan de Fuca. A system on Friday could bring elevated seas and winds to the coastal waters.
PZZ150-202215
Coastal Waters From Cape Flattery To James Island Out 10 Nm
215 AM PDT Wed May 20 2026
TODAY
SE wind around 5 kt, backing to NW this afternoon. Seas
6 to 8 ft, subsiding to 5 to 6 ft this afternoon. Wave Detail: W
7 ft at 11 seconds.
TONIGHT
NW wind 5 to 10 kt, becoming W after midnight. Seas
5 to 7 ft. Wave Detail: NW 2 ft at 5 seconds and W 7 ft at
11 seconds.
THU
W wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Seas 5 to 6 ft. Wave Detail: NW 2 ft at 5 seconds and W 6 ft at
10 seconds.
THU NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft, building to
7 to 8 ft after midnight. Wave Detail: NW 8 ft at 8 seconds.
FRI
W wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: NW 2 ft at
7 seconds and W 8 ft at 9 seconds.
FRI NIGHT
NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: NW
2 ft at 5 seconds and W 7 ft at 9 seconds.
SAT
W wind 5 to 10 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 7 to 8 ft. Wave Detail: NW 2 ft at 6 seconds and
W 7 ft at 9 seconds.
SAT NIGHT
NW wind 10 to 15 kt. Seas 7 to 10 ft. Wave Detail:
NW 3 ft at 6 seconds, W 9 ft at 9 seconds and W 2 ft at
17 seconds.
SUN
W wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: NW 3 ft at
6 seconds and W 7 ft at 11 seconds.
SUN NIGHT
SW wind 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Seas 5 to 6 ft. Wave Detail: NW 2 ft at 5 seconds and W
6 ft at 12 seconds. A chance of rain in the evening, then rain
after midnight.
PZZ153-202215
Coastal Waters From James Island To Point Grenville Out 10 Nm
215 AM PDT Wed May 20 2026
TODAY
N wind 5 to 10 kt, becoming NW late this morning, rising
to 5 to 10 kt this afternoon. Seas 5 to 7 ft. Wave Detail: NW
3 ft at 7 seconds and W 7 ft at 11 seconds.
TONIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 5 to 7 ft. Wave Detail: N 3 ft at 5 seconds and W
7 ft at 10 seconds.
THU
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 3 ft
at 6 seconds and W 6 ft at 10 seconds.
THU NIGHT
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW
3 ft at 7 seconds and NW 7 ft at 8 seconds.
FRI
NW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Seas 5 to 8 ft. Wave Detail: NW 4 ft at 8 seconds and
W 7 ft at 9 seconds.
FRI NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 5 to 8 ft. Wave Detail: NW 3 ft at 6 seconds and W
7 ft at 9 seconds.
SAT
NW wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 9 seconds.
SAT NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 8 seconds, SW
2 ft at 16 seconds and W 2 ft at 17 seconds.
SUN
NW wind 5 to 10 kt, backing to W in the afternoon. Seas
5 to 8 ft. Wave Detail: NW 4 ft at 7 seconds and W 7 ft at
11 seconds.
SUN NIGHT
SW wind 5 to 10 kt, becoming S 10 to 15 kt after
midnight. Seas 5 to 6 ft. Wave Detail: NW 3 ft at 6 seconds and W
6 ft at 12 seconds. A chance of rain in the evening, then rain
likely after midnight.
PZZ156-202215
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
215 AM PDT Wed May 20 2026
TODAY
N wind 10 to 15 kt, becoming NW 5 to 10 kt late this
morning and early afternoon, rising to 10 to 15 kt late. Seas
5 to 8 ft. Wave Detail: NW 2 ft at 6 seconds and W 8 ft at
11 seconds.
TONIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: N
3 ft at 5 seconds and NW 7 ft at 11 seconds.
THU
N wind 5 to 10 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 5 to 6 ft. Wave Detail: NW 2 ft at 8 seconds and
W 6 ft at 10 seconds.
THU NIGHT
NW wind 15 to 20 kt. Seas 5 to 8 ft, building to
7 to 9 ft after midnight. Wave Detail: NW 8 ft at 8 seconds.
FRI
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft
at 9 seconds.
FRI NIGHT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW
2 ft at 5 seconds and NW 8 ft at 9 seconds.
SAT
NW wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds.
SAT NIGHT
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave Detail: NW
8 ft at 9 seconds and W 2 ft at 17 seconds.
SUN
NW wind 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 9 seconds.
SUN NIGHT
W wind around 10 kt, backing to SW after midnight.
Seas 5 to 6 ft. Wave Detail: NW 3 ft at 6 seconds and W 6 ft at
12 seconds. A chance of rain after midnight.
PZZ170-202215
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
215 AM PDT Wed May 20 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING
TODAY
N wind 15 to 20 kt, becoming NW 10 to 15 kt late this
morning and afternoon. Seas 7 to 10 ft, subsiding to 5 to 7 ft
this afternoon. Wave Detail: NW 5 ft at 7 seconds and W 9 ft at
11 seconds.
TONIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 6 to 9 ft. Wave Detail: NW 7 ft at 6 seconds and
NW 9 ft at 11 seconds.
THU
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft
at 6 seconds and NW 7 ft at 10 seconds.
THU NIGHT
NW wind 15 to 20 kt. Seas 6 to 9 ft, building to
8 to 11 ft after midnight. Wave Detail: NW 9 ft at 9 seconds.
FRI
NW wind 15 to 20 kt. Seas 8 to 11 ft, subsiding to 6 to
8 ft in the afternoon. Wave Detail: NW 7 ft at 8 seconds and W
9 ft at 9 seconds.
FRI NIGHT
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail:
NW 10 ft at 8 seconds and SW 2 ft at 17 seconds.
SAT
NW wind 20 to 25 kt, easing to 15 to 20 kt in the
afternoon. Seas 8 to 11 ft. Wave Detail: NW 7 ft at 6 seconds, NW
10 ft at 9 seconds and SW 2 ft at 17 seconds.
SAT NIGHT
NW wind 15 to 20 kt. Seas 9 to 11 ft. Wave Detail:
NW 10 ft at 8 seconds, SW 2 ft at 16 seconds and W 2 ft at
17 seconds.
SUN
NW wind 10 to 15 kt, backing to SW in the afternoon. Seas
7 to 9 ft. Wave Detail: NW 6 ft at 7 seconds, W 8 ft at
14 seconds and SW 2 ft at 16 seconds.
SUN NIGHT
SW wind 10 to 15 kt, rising to 15 to 20 kt after
midnight. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 6 seconds, W
7 ft at 12 seconds and SW 2 ft at 15 seconds. Rain.
PZZ173-202215
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
215 AM PDT Wed May 20 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING
TODAY
NW wind 15 to 20 kt, easing to 10 to 15 kt early this
afternoon, rising to 15 to 20 kt late. Seas 7 to 10 ft, subsiding
to 6 to 8 ft this afternoon. Wave Detail: NW 6 ft at 7 seconds
and NW 9 ft at 11 seconds.
TONIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 7 seconds and
NW 8 ft at 11 seconds.
THU
NW wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and
NW 8 ft at 10 seconds.
THU NIGHT
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail:
NW 9 ft at 9 seconds.
FRI
NW wind 15 to 20 kt. Seas 8 to 11 ft, subsiding to 7 to
8 ft in the afternoon. Wave Detail: NW 8 ft at 9 seconds and W
8 ft at 10 seconds.
FRI NIGHT
NW wind 15 to 20 kt, rising to 20 to 25 kt after
midnight. Seas 8 to 11 ft. Wave Detail: NW 7 ft at 6 seconds, NW
10 ft at 9 seconds and SW 2 ft at 17 seconds.
SAT
NW wind 20 to 25 kt, easing to 15 to 20 kt in the
afternoon. Seas 8 to 11 ft. Wave Detail: NW 9 ft at 9 seconds, SW
2 ft at 17 seconds and W 2 ft at 19 seconds.
SAT NIGHT
NW wind 15 to 20 kt. Seas 9 to 10 ft. Wave Detail:
NW 9 ft at 9 seconds, SW 2 ft at 16 seconds and W 2 ft at
17 seconds.
SUN
NW wind 5 to 10 kt, backing to SW in the afternoon. Seas
8 to 9 ft, subsiding to 6 to 7 ft in the afternoon. Wave Detail:
NW 7 ft at 8 seconds, W 6 ft at 14 seconds and SW 2 ft at
16 seconds.
SUN NIGHT
SW wind 10 to 15 kt, rising to 15 to 20 kt after
midnight. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 6 seconds, W
7 ft at 12 seconds and SW 2 ft at 15 seconds. A chance of rain in
the evening, then rain after midnight.
PZZ176-202215
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm
215 AM PDT Wed May 20 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING
TODAY
NW wind 15 to 20 kt, easing to 10 to 15 kt late this
morning and early afternoon, rising to 15 to 20 kt late. Seas
7 to 10 ft. Wave Detail: N 7 ft at 8 seconds and NW 9 ft at
12 seconds.
TONIGHT
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave Detail: N
8 ft at 7 seconds and NW 8 ft at 11 seconds.
THU
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: N 7 ft
at 7 seconds and NW 7 ft at 10 seconds.
THU NIGHT
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail:
NW 9 ft at 8 seconds and W 6 ft at 9 seconds.
FRI
NW wind 15 to 20 kt. Seas 9 to 10 ft, subsiding to 7 to
9 ft in the afternoon. Wave Detail: NW 9 ft at 8 seconds and W
6 ft at 10 seconds.
FRI NIGHT
NW wind 15 to 20 kt. Seas 8 to 10 ft. Wave Detail:
NW 9 ft at 8 seconds and SW 2 ft at 17 seconds.
SAT
NW wind 15 to 20 kt. Seas 8 to 10 ft. Wave Detail: NW 9 ft
at 9 seconds and SW 2 ft at 17 seconds.
SAT NIGHT
NW wind around 20 kt, easing to around 15 kt after
midnight. Seas 9 to 10 ft. Wave Detail: NW 9 ft at 8 seconds, W
7 ft at 12 seconds and SW 2 ft at 16 seconds.
SUN
NW wind around 10 kt, backing to W in the afternoon. Seas
7 to 9 ft. Wave Detail: NW 7 ft at 8 seconds, W 6 ft at
14 seconds and SW 2 ft at 16 seconds.
SUN NIGHT
SW wind around 10 kt, rising to around 15 kt after
midnight. Seas 6 to 7 ft. Wave Detail: NW 3 ft at 6 seconds, W
7 ft at 12 seconds and SW 2 ft at 15 seconds. A chance of rain in
the evening, then rain likely after midnight.
PZZ130-202215
West Entrance U.S. Waters Strait Of Juan De Fuca
215 AM PDT Wed May 20 2026
TODAY
SE wind around 5 kt, backing to NE late this morning,
backing to NW this afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft
at 11 seconds.
TONIGHT
W wind 5 to 10 kt, becoming SW after midnight. Seas
3 to 5 ft. Wave Detail: W 5 ft at 10 seconds.
THU
E wind around 5 kt, backing to NW in the afternoon. Seas
3 to 5 ft. Wave Detail: W 5 ft at 10 seconds.
THU NIGHT
W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W
6 ft at 9 seconds.
FRI
SW wind around 5 kt, veering to W in the afternoon. Seas
4 to 6 ft. Wave Detail: W 6 ft at 10 seconds.
FRI NIGHT
W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W
6 ft at 9 seconds.
SAT
SW wind around 5 kt, becoming W 10 to 15 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 9 seconds.
SAT NIGHT
W wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 5 to 7 ft. Wave Detail: NW 2 ft at 5 seconds and W
7 ft at 9 seconds.
SUN
W wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at
10 seconds.
SUN NIGHT
W wind 10 to 15 kt, backing to S after midnight.
Seas 3 to 5 ft. Wave Detail: W 5 ft at 12 seconds. A chance of
rain in the evening, then rain likely after midnight.
PZZ131-202215
Central U.S. Waters Strait Of Juan De Fuca
215 AM PDT Wed May 20 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT EARLY THIS MORNING
SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING
TODAY
NW wind around 5 kt, backing to W 15 to 20 kt late.
Waves around 2 ft or less.
TONIGHT
W wind 20 to 25 kt, easing to 5 to 10 kt after
midnight. Waves 3 to 4 ft.
THU
N wind around 5 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
W wind around 5 kt. Waves around 3 ft in the morning, then
around 2 ft or less.
FRI NIGHT
W wind 10 to 15 kt. Waves around 3 ft.
SAT
W wind around 5 kt, becoming NW 10 to 15 kt in the
afternoon. Waves around 3 ft.
SAT NIGHT
W wind 20 to 25 kt. Waves 4 to 6 ft.
SUN
W wind 15 to 20 kt. Waves 3 to 5 ft.
SUN NIGHT
W wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Waves 3 to 4 ft. A chance of rain.
PZZ132-202215
East Entrance U.S. Waters Strait Of Juan De Fuca
215 AM PDT Wed May 20 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT EARLY THIS MORNING
SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING
TODAY
W wind around 5 kt, rising to 15 to 20 kt late. Waves
around 2 ft or less.
TONIGHT
W wind 20 to 25 kt, easing to 5 to 10 kt after
midnight. Waves 3 to 4 ft.
THU
NW wind around 5 kt. Waves around 2 ft or less.
THU NIGHT
W wind 5 to 10 kt. Waves around 2 ft or less.
FRI
W wind around 5 kt. Waves around 2 ft or less.
FRI NIGHT
W wind 5 to 10 kt. Waves around 2 ft or less.
SAT
W wind around 5 kt. Waves around 2 ft or less.
SAT NIGHT
W wind 15 to 20 kt. Waves 3 to 5 ft.
SUN
SW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Waves 3 to 5 ft in the morning, then around 2 ft or
less.
SUN NIGHT
W wind 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Waves around 3 ft. A chance of rain.
PZZ134-202215
Admiralty Inlet
215 AM PDT Wed May 20 2026
TODAY
NW wind around 5 kt, rising to 5 to 10 kt late this
morning and afternoon. Waves around 2 ft or less.
TONIGHT
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 5 to 10 kt in the
afternoon. Waves around 2 ft or less.
THU NIGHT
NW wind around 5 kt. Waves around 2 ft or less.
FRI
W wind around 5 kt, veering to NW in the afternoon. Waves
around 2 ft or less.
FRI NIGHT
NW wind 5 to 10 kt, becoming W after midnight. Waves
around 2 ft or less.
SAT
SW wind around 5 kt, veering to NW in the afternoon. Waves
around 2 ft or less.
SAT NIGHT
W wind 5 to 10 kt. Waves around 2 ft or less.
SUN
SW wind around 5 kt. Waves around 2 ft or less.
SUN NIGHT
NW wind 5 to 10 kt, backing to SW after midnight.
Waves around 2 ft or less. A chance of rain.
PZZ133-202215
Northern Inland Waters Including The San Juan Islands
215 AM PDT Wed May 20 2026
TODAY
NW wind around 5 kt, rising to 5 to 10 kt early this
afternoon, easing to around 5 kt late. Waves around 2 ft or less.
TONIGHT
W 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
SW wind around 5 kt, backing to S after midnight.
Waves around 2 ft or less.
FRI
W wind around 5 kt. Waves around 2 ft or less.
FRI NIGHT
SW wind around 5 kt. Waves around 2 ft or less.
SAT
SW wind around 5 kt. Waves around 2 ft or less.
SAT NIGHT
SW wind 5 to 10 kt. Waves around 2 ft or less.
SUN
S wind 5 to 10 kt. Waves around 2 ft or less.
SUN NIGHT
SW wind 5 to 10 kt. Waves around 2 ft or less. A
chance of rain.
PZZ135-202215
Puget Sound and Hood Canal
215 AM PDT Wed May 20 2026
TODAY
Light and variable winds, becoming N 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.
THU
N wind around 5 kt. Waves around 2 ft or less.
THU NIGHT
N wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
FRI
Light and variable winds, becoming NW around 5 kt in the
afternoon. Waves around 2 ft or less.
FRI NIGHT
NW wind 5 to 10 kt, becoming W after midnight. Waves
around 2 ft or less.
SAT
SW wind around 5 kt. Waves around 2 ft or less.
SAT NIGHT
NW wind 5 to 10 kt, becoming SW after midnight.
Waves around 2 ft or less.
SUN
S wind around 5 kt, veering to SW in the afternoon. Waves
around 2 ft or less.
SUN NIGHT
W wind 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Waves around 2 ft or less. A chance of rain after
midnight.
PZZ110-202215
Grays Harbor Bar
215 AM PDT Wed May 20 2026
Combined seas 6 to 8 feet subsiding to 5 to 6 ft this afternoon. Bar conditions moderate becoming light this afternoon. Maximum ebb currents will occur around 745 AM Wednesday, 840 PM Wednesday and 845 AM Thursday. The morning ebb on Wednesday will be very strong. The morning ebb on Thursday will be strong.