National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 260836
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
136 AM PDT Thu Mar 26 2026

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

PZZ100-262145
136 AM PDT Thu Mar 26 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...Surface high pressure will build into the area today and remain situated over area waters on Friday. Another frontal system will approach the waters late in the weekend.


PZZ150-262145
Coastal Waters From Cape Flattery To James Island Out 10 Nm
136 AM PDT Thu Mar 26 2026

TODAY
S wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at 11 seconds. A chance of rain.

TONIGHT
S wind 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 6 to 8 ft. Wave Detail: W 8 ft at 11 seconds. A chance of rain in the evening.

FRI
E wind around 5 kt, backing to N in the afternoon. Seas 7 to 8 ft. Wave Detail: W 8 ft at 11 seconds.

FRI NIGHT
NW wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: NW 5 ft at 5 seconds, W 7 ft at 11 seconds and W 2 ft at 15 seconds.

SAT
NW wind around 10 kt. Seas 7 to 8 ft, subsiding to 5 to 7 ft in the afternoon. Wave Detail: N 2 ft at 5 seconds, W 7 ft at 10 seconds and W 2 ft at 14 seconds.

SAT NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 5 to 6 ft. Wave Detail: N 2 ft at 4 seconds, W 6 ft at 9 seconds and SW 2 ft at 14 seconds.

SUN
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 9 seconds. A chance of rain.

SUN NIGHT
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 2 ft at 4 seconds and NW 5 ft at 7 seconds. A chance of rain.

MON
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 2 ft at 4 seconds and W 5 ft at 8 seconds. A chance of rain.

MON NIGHT
NW wind 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 5 to 6 ft. Wave Detail: N 2 ft at 4 seconds, W 6 ft at 8 seconds and W 2 ft at 14 seconds.


PZZ153-262145
Coastal Waters From James Island To Point Grenville Out 10 Nm
136 AM PDT Thu Mar 26 2026

TODAY
S wind 5 to 10 kt. Seas 5 to 8 ft. Wave Detail: W 8 ft at 10 seconds. A chance of rain this morning, then a slight chance of rain early this afternoon. A chance of rain late.

TONIGHT
S wind 5 to 10 kt, backing to E after midnight. Seas 5 to 7 ft. Wave Detail: W 7 ft at 11 seconds.

FRI
NE wind around 5 kt, becoming N 10 to 15 kt in the afternoon. Seas 6 to 7 ft. Wave Detail: W 7 ft at 11 seconds.

FRI NIGHT
NW wind 15 to 20 kt, becoming N 10 to 15 kt after midnight. Seas 6 to 7 ft, building to 6 to 9 ft after midnight. Wave Detail: NW 5 ft at 6 seconds, W 7 ft at 10 seconds and W 2 ft at 15 seconds.

SAT
N wind 10 to 15 kt, becoming NW 5 to 10 kt in the afternoon. Seas 6 to 8 ft, subsiding to 5 to 6 ft in the afternoon. Wave Detail: N 3 ft at 5 seconds, W 6 ft at 10 seconds and W 2 ft at 14 seconds.

SAT NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 3 ft at 4 seconds, W 5 ft at 9 seconds and W 2 ft at 13 seconds.

SUN
N wind around 5 kt, backing to NW in the afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 9 seconds. A chance of rain.

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 6 seconds. A chance of rain.

MON
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds. A chance of rain.

MON NIGHT
NW wind 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: N 2 ft at 5 seconds, NW 6 ft at 8 seconds and W 2 ft at 14 seconds. A chance of rain in the evening.


PZZ156-262145
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm
136 AM PDT Thu Mar 26 2026

TODAY
SW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 11 seconds. A chance of rain early this morning, then a slight chance of rain late this morning and early afternoon.

TONIGHT
NW wind 5 to 10 kt, veering to NE after midnight. Seas 5 to 6 ft. Wave Detail: W 6 ft at 9 seconds.

FRI
NE wind 5 to 10 kt, becoming N 10 to 15 kt in the afternoon. Seas 6 to 7 ft. Wave Detail: N 2 ft at 4 seconds and W 7 ft at 11 seconds.

FRI NIGHT
N wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail: NW 7 ft at 6 seconds, W 7 ft at 11 seconds and W 2 ft at 14 seconds.

SAT
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: N 4 ft at 5 seconds, W 7 ft at 10 seconds and W 2 ft at 14 seconds.

SAT NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 4 ft at 5 seconds, W 6 ft at 9 seconds and W 2 ft at 13 seconds.

SUN
N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: NW 2 ft at 5 seconds and NW 5 ft at 9 seconds. A chance of rain.

SUN NIGHT
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds. A chance of rain.

MON
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N 2 ft at 5 seconds and NW 6 ft at 8 seconds. A chance of rain.

MON NIGHT
N wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and W 2 ft at 14 seconds. A chance of rain.


PZZ170-262145
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm
136 AM PDT Thu Mar 26 2026

TODAY
SW wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: W 8 ft at 10 seconds. A chance of rain.

TONIGHT
SW wind 10 to 15 kt, becoming S 5 to 10 kt after midnight. Seas 7 to 8 ft. Wave Detail: W 8 ft at 11 seconds and SW 2 ft at 16 seconds.

FRI
S wind around 5 kt, veering to N in the afternoon. Seas 8 to 9 ft. Wave Detail: W 8 ft at 11 seconds and SW 2 ft at 15 seconds.

FRI NIGHT
NW wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: NW 6 ft at 6 seconds, W 8 ft at 11 seconds and W 2 ft at 15 seconds.

SAT
NW wind 10 to 15 kt. Seas 8 to 9 ft, subsiding to 6 to 7 ft in the afternoon. Wave Detail: N 6 ft at 6 seconds, W 8 ft at 10 seconds and W 2 ft at 14 seconds.

SAT NIGHT
NW wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: N 3 ft at 4 seconds and NW 7 ft at 9 seconds.

SUN
NW wind around 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 9 seconds. A chance of rain.

SUN NIGHT
NW wind 10 to 15 kt. Seas 4 to 5 ft, building to 5 to 8 ft after midnight. Wave Detail: NW 7 ft at 7 seconds. A chance of rain.

MON
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NE 2 ft at 4 seconds, NW 7 ft at 8 seconds and S 2 ft at 14 seconds. A chance of rain in the morning.

MON NIGHT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NE 2 ft at 4 seconds, NW 7 ft at 8 seconds and W 2 ft at 14 seconds.


PZZ173-262145
Coastal Waters From James Island To Point Grenville 10 To 60 Nm
136 AM PDT Thu Mar 26 2026

TODAY
SW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at 10 seconds and SW 2 ft at 17 seconds. A chance of rain, mainly this morning.

TONIGHT
SW wind 10 to 15 kt, becoming S 5 to 10 kt after midnight. Seas 6 to 8 ft. Wave Detail: W 8 ft at 11 seconds and SW 2 ft at 16 seconds.

FRI
NW wind around 5 kt, veering to N in the afternoon. Seas 7 to 8 ft. Wave Detail: W 8 ft at 11 seconds and SW 2 ft at 16 seconds.

FRI NIGHT
NW wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: N 6 ft at 6 seconds, W 7 ft at 11 seconds and SW 2 ft at 15 seconds.

SAT
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: N 6 ft at 7 seconds, W 6 ft at 10 seconds and W 2 ft at 14 seconds.

SAT NIGHT
NW wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: N 4 ft at 5 seconds and W 6 ft at 9 seconds.

SUN
NW wind around 10 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at 5 seconds and NW 5 ft at 9 seconds. A chance of rain.

SUN NIGHT
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: N 7 ft at 6 seconds and W 6 ft at 10 seconds. A chance of rain.

MON
NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: N 7 ft at 5 seconds, NW 7 ft at 8 seconds and S 2 ft at 14 seconds. A chance of rain in the morning.

MON NIGHT
NW wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and W 2 ft at 14 seconds.


PZZ176-262145
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
136 AM PDT Thu Mar 26 2026

TODAY
SW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at 11 seconds and SW 2 ft at 16 seconds. A slight chance of rain until late afternoon.

TONIGHT
S wind 5 to 10 kt, backing to E after midnight. Seas 6 to 8 ft. Wave Detail: W 8 ft at 11 seconds and SW 2 ft at 15 seconds.

FRI
N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 7 to 8 ft. Wave Detail: W 8 ft at 11 seconds and SW 2 ft at 16 seconds.

FRI NIGHT
N wind 15 to 20 kt. Seas 7 to 10 ft. Wave Detail: N 7 ft at 5 seconds, W 8 ft at 11 seconds and W 2 ft at 15 seconds.

SAT
N wind 10 to 15 kt. Seas 8 to 9 ft, subsiding to 6 to 7 ft in the afternoon. Wave Detail: N 6 ft at 6 seconds, W 7 ft at 10 seconds and W 2 ft at 14 seconds.

SAT NIGHT
NW wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: N 5 ft at 6 seconds and NW 6 ft at 9 seconds.

SUN
N wind around 10 kt. Seas 5 to 6 ft. Wave Detail: N 4 ft at 6 seconds and NW 5 ft at 9 seconds. A chance of rain.

SUN NIGHT
N wind around 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and W 4 ft at 11 seconds. A chance of rain.

MON
N wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: N 7 ft at 7 seconds, NW 7 ft at 11 seconds and S 2 ft at 14 seconds. A chance of rain.

MON NIGHT
N wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and W 2 ft at 14 seconds.


PZZ130-262145
West Entrance U.S. Waters Strait Of Juan De Fuca
136 AM PDT Thu Mar 26 2026

TODAY
S wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 11 seconds. A chance of rain this morning, then rain likely early this afternoon. A chance of rain late.

TONIGHT
S wind 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 11 seconds. A chance of rain in the evening.

FRI
E wind 5 to 10 kt, backing to N in the afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 11 seconds.

FRI NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 2 ft at 5 seconds and W 6 ft at 11 seconds.

SAT
NW wind 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 10 seconds.

SAT NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 5 ft at 9 seconds.

SUN
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds. A chance of rain.

SUN NIGHT
W wind 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds. A chance of rain.

MON
N wind 5 to 10 kt, backing to NW in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds. A chance of rain.

MON NIGHT
NW wind 10 to 15 kt, becoming NE 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 5 ft at 8 seconds.


PZZ131-262145
Central U.S. Waters Strait Of Juan De Fuca
136 AM PDT Thu Mar 26 2026

TODAY
SW wind 5 to 10 kt, backing to SE late this morning and afternoon. Waves around 3 ft this morning, then around 2 ft or less. A slight chance of snow early this morning. A chance of rain.

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

FRI
NE wind around 5 kt. Waves around 2 ft or less.

FRI NIGHT
W wind 5 to 10 kt. Waves around 3 ft in the evening, then around 2 ft or less.

SAT
W wind 5 to 10 kt. Waves around 2 ft or less.

SAT NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Waves around 3 ft.

SUN
W wind 5 to 10 kt, veering to NW in the afternoon. Waves around 2 ft or less. A chance of rain in the afternoon.

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

MON
SW wind around 5 kt, veering to NE in the afternoon. Waves around 2 ft or less. A chance of rain.

MON NIGHT
NW wind 5 to 10 kt, backing to SW after midnight. Waves around 2 ft or less.


PZZ132-262145
East Entrance U.S. Waters Strait Of Juan De Fuca
136 AM PDT Thu Mar 26 2026

TODAY
S wind 5 to 10 kt, becoming SE 10 to 15 kt late this morning and early afternoon, easing to 5 to 10 kt late. Waves around 2 ft or less. A slight chance of rain and snow early this morning.

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

FRI
N 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
NW wind around 5 kt. Waves around 2 ft or less.

SAT NIGHT
W wind around 5 kt. Waves around 2 ft or less.

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

SUN NIGHT
NW wind around 5 kt. Waves around 2 ft or less. A chance of rain.

MON
NW wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain.

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


PZZ134-262145
Admiralty Inlet
136 AM PDT Thu Mar 26 2026

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

TONIGHT
S wind around 5 kt, backing to NE after midnight. Waves around 2 ft or less.

FRI
NW wind around 5 kt, rising to 5 to 10 kt in the afternoon. Waves around 2 ft or less.

FRI NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Waves around 2 ft or less.

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

SAT NIGHT
NW wind around 5 kt. Waves around 2 ft or less.

SUN
W wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain in the afternoon.

SUN NIGHT
NW wind around 5 kt. Waves around 2 ft or less. A chance of rain.

MON
NW wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain.

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


PZZ133-262145
Northern Inland Waters Including The San Juan Islands
136 AM PDT Thu Mar 26 2026

TODAY
S wind 5 to 10 kt, rising to 10 to 15 kt late this morning and early afternoon, easing to 5 to 10 kt late. Waves around 2 ft or less. A slight chance of rain early this morning. A chance of rain late this morning, then a slight chance of rain this afternoon.

TONIGHT
S wind around 5 kt, backing to E after midnight. Waves around 2 ft or less.

FRI
NE wind around 5 kt, backing to N 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. Waves around 2 ft or less.

SAT NIGHT
W wind around 5 kt. Waves around 2 ft or less.

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

SUN NIGHT
NW wind around 5 kt. Waves around 2 ft or less. A chance of rain.

MON
NW wind around 5 kt. Waves around 2 ft or less. A chance of rain.

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


PZZ135-262145
Puget Sound and Hood Canal
136 AM PDT Thu Mar 26 2026

TODAY
S wind around 5 kt, rising to 5 to 10 kt late this morning and afternoon. Waves around 2 ft or less.

TONIGHT
SW wind around 5 kt, veering to N after midnight. Waves around 2 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 10 to 15 kt, easing to around 5 kt after midnight. Waves around 2 ft or less.

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

SAT NIGHT
NW wind around 5 kt. Waves around 2 ft or less.

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

SUN NIGHT
N wind around 5 kt. Waves around 2 ft or less. A chance of rain.

MON
N wind around 5 kt. Waves around 2 ft or less. A chance of rain.

MON NIGHT
N wind 5 to 10 kt, easing to around 5 kt after midnight. Waves around 2 ft or less. A chance of rain in the evening.


PZZ110-262145
Grays Harbor Bar
136 AM PDT Thu Mar 26 2026

Combined seas 6 to 8 feet. Bar conditions moderate. Maximum ebb currents will occur around 1145 AM Thursday, 1230 AM Friday, and 100 PM Friday.