678
FZUS56 KSEW 040934
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
234 AM PDT Thu Sep 4 2025

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

PZZ100-042245-
234 AM PDT Thu Sep 4 2025

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND
WATERS...Weak high pressure will remain over the coastal waters
through today, with fog expected in portions of the coastal
waters. The high will weaken Friday and Saturday as a surface low
moves over area waters. Weak high pressure briefly rebuilds over
the waters on Sunday. Another low pressure system will approach
the waters on Monday.

$$

PZZ150-042245-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
234 AM PDT Thu Sep 4 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...

.TODAY...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft
at 7 seconds, W 2 ft at 12 seconds and SW 2 ft at 14 seconds.
Widespread dense fog this morning.
.TONIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 6 seconds and W 2 ft at 11 seconds.
.FRI...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
6 seconds and W 2 ft at 11 seconds.
.FRI NIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W
2 ft at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds.
.SAT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 2 ft at
5 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds. A
chance of showers in the afternoon.
.SAT NIGHT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
2 ft at 5 seconds, SW 2 ft at 8 seconds and W 3 ft at 11 seconds.
A chance of showers.
.SUN...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: SW 2 ft
at 8 seconds and W 2 ft at 11 seconds. A chance of showers.
.SUN NIGHT...S wind around 5 kt. Seas around 3 ft. Wave Detail:
SW 2 ft at 7 seconds, W 2 ft at 10 seconds and SW 2 ft at
13 seconds. A chance of showers.
.MON...S wind around 5 kt. Seas around 3 ft. Wave Detail: SW 2 ft
at 7 seconds and SW 2 ft at 13 seconds. A chance of showers.
.MON NIGHT...SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: SW
3 ft at 7 seconds, W 2 ft at 13 seconds and SW 2 ft at
13 seconds. A chance of showers in the evening, then showers
likely after midnight.

$$

PZZ153-042245-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
234 AM PDT Thu Sep 4 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...

.TODAY...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft
at 7 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds. A
slight chance of showers this morning. Widespread dense fog this
morning.
.TONIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 7 seconds and W 2 ft at 11 seconds.
.FRI...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft
at 6 seconds and W 2 ft at 11 seconds.
.FRI NIGHT...NW wind around 5 kt. Seas around 3 ft. Wave Detail:
NW 2 ft at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at
11 seconds.
.SAT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 5 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds. A
chance of showers.
.SAT NIGHT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW
2 ft at 5 seconds, SW 2 ft at 8 seconds and W 2 ft at 12 seconds.
A chance of showers in the evening, then showers likely after
midnight.
.SUN...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: SW 2 ft
at 8 seconds and W 2 ft at 11 seconds. A chance of showers.
.SUN NIGHT...S wind around 5 kt. Seas around 3 ft. Wave Detail:
SW 2 ft at 7 seconds and W 2 ft at 10 seconds. A chance of
showers.
.MON...S wind around 5 kt. Seas around 3 ft. Wave Detail: SW 2 ft
at 7 seconds. A chance of showers in the morning, then showers
likely in the afternoon.
.MON NIGHT...SW wind around 5 kt, backing to SE after midnight.
Seas 3 to 4 ft. Wave Detail: SW 3 ft at 7 seconds and W 2 ft at
13 seconds. Showers likely.

$$

PZZ156-042245-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
234 AM PDT Thu Sep 4 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...

.TODAY...NW wind around 10 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 7 seconds and W 2 ft at 12 seconds. A slight chance of
showers early this morning. Widespread dense fog this morning.
.TONIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 6 seconds and W 2 ft at 12 seconds.
.FRI...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft
at 6 seconds and W 2 ft at 11 seconds.
.FRI NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at 11 seconds.
A chance of showers after midnight.
.SAT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds. A
chance of showers.
.SAT NIGHT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW
2 ft at 5 seconds, SW 2 ft at 8 seconds and W 2 ft at 12 seconds.
Showers likely, mainly in the evening.
.SUN...S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SW 2 ft at
8 seconds and W 2 ft at 11 seconds. A chance of showers.
.SUN NIGHT...S wind around 5 kt. Seas around 3 ft. Wave Detail:
SW 2 ft at 7 seconds and W 2 ft at 10 seconds. A chance of
showers.
.MON...S wind around 5 kt. Seas around 3 ft. Wave Detail: SW 3 ft
at 7 seconds. A chance of showers in the morning, then showers
likely in the afternoon.
.MON NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: SW
3 ft at 7 seconds and W 2 ft at 13 seconds. Showers likely.

$$

PZZ170-042245-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
234 AM PDT Thu Sep 4 2025

.TODAY...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW
4 ft at 7 seconds, W 2 ft at 12 seconds and SW 2 ft at
15 seconds. A slight chance of showers this morning. Widespread
dense fog this morning.
.TONIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 6 seconds, W
2 ft at 11 seconds and S 2 ft at 15 seconds.
.FRI...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft
at 6 seconds, W 2 ft at 11 seconds and S 2 ft at 15 seconds.
.FRI NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at 11 seconds.
.SAT...SW wind around 5 kt. Seas around 4 ft. Wave Detail: NW
2 ft at 5 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds.
A chance of showers in the afternoon.
.SAT NIGHT...S wind around 5 kt. Seas around 4 ft. Wave Detail:
NW 2 ft at 5 seconds, SW 2 ft at 8 seconds and W 3 ft at
12 seconds. A chance of showers.
.SUN...S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SW 2 ft at
8 seconds, W 2 ft at 10 seconds and S 2 ft at 14 seconds. A
chance of showers.
.SUN NIGHT...S wind around 5 kt. Seas around 3 ft. Wave Detail:
SW 2 ft at 7 seconds, W 2 ft at 10 seconds and S 2 ft at
14 seconds. A chance of showers.
.MON...SE wind around 5 kt. Seas around 3 ft. Wave Detail: S 2 ft
at 7 seconds and S 2 ft at 13 seconds. A chance of showers.
.MON NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: SW
3 ft at 7 seconds, W 2 ft at 13 seconds and S 2 ft at 13 seconds.
A chance of showers.

$$

PZZ173-042245-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
234 AM PDT Thu Sep 4 2025

.TODAY...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 7 seconds, SW 2 ft at 8 seconds and W 2 ft at 12 seconds.
A slight chance of showers this morning. Widespread dense fog
early this morning. Patchy dense fog late this morning.
.TONIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: W
4 ft at 7 seconds, W 2 ft at 11 seconds and S 2 ft at 15 seconds.
.FRI...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft
at 6 seconds, W 2 ft at 11 seconds and S 2 ft at 15 seconds.
.FRI NIGHT...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail:
NW 3 ft at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at
11 seconds.
.SAT...SW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: NW 3 ft
at 5 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds. A
chance of showers in the afternoon.
.SAT NIGHT...SW wind around 5 kt. Seas around 4 ft. Wave Detail:
NW 2 ft at 5 seconds, SW 2 ft at 8 seconds and W 3 ft at
12 seconds. A chance of showers.
.SUN...S wind 5 to 10 kt. Seas around 4 ft. Wave Detail: SW 2 ft
at 8 seconds, W 2 ft at 11 seconds and S 2 ft at 14 seconds. A
chance of showers.
.SUN NIGHT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: S
2 ft at 6 seconds, W 2 ft at 10 seconds and S 2 ft at 14 seconds.
A chance of showers.
.MON...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 7 seconds, S 2 ft at 13 seconds and W 2 ft at 14 seconds. A
chance of showers in the morning, then showers likely in the
afternoon.
.MON NIGHT...W wind 5 to 10 kt. Seas around 4 ft. Wave Detail: SW
3 ft at 7 seconds, NW 2 ft at 8 seconds and S 2 ft at 13 seconds.
A chance of showers.

$$

PZZ176-042245-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
234 AM PDT Thu Sep 4 2025

.TODAY...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 7 seconds, SW 2 ft at 8 seconds and W 2 ft at 12 seconds.
A slight chance of showers this morning. Widespread dense fog
this morning.
.TONIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: W
4 ft at 7 seconds, W 2 ft at 12 seconds and SW 2 ft at
15 seconds.
.FRI...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft
at 6 seconds, W 2 ft at 11 seconds and S 2 ft at 15 seconds.
.FRI NIGHT...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: W
3 ft at 7 seconds, W 2 ft at 11 seconds and S 2 ft at 15 seconds.
A chance of showers after midnight.
.SAT...SW wind around 5 kt. Seas around 4 ft. Wave Detail: NW
3 ft at 5 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds.
A chance of showers.
.SAT NIGHT...SW wind around 5 kt. Seas around 4 ft. Wave Detail:
NW 2 ft at 5 seconds, SW 2 ft at 8 seconds and W 3 ft at
11 seconds. Showers likely, mainly in the evening.
.SUN...S wind 5 to 10 kt. Seas around 4 ft. Wave Detail: SW 2 ft
at 8 seconds, W 2 ft at 11 seconds and S 2 ft at 14 seconds. A
chance of showers.
.SUN NIGHT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: S
2 ft at 7 seconds, W 2 ft at 10 seconds and S 2 ft at 14 seconds.
A chance of showers.
.MON...S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at
7 seconds, W 2 ft at 10 seconds and S 2 ft at 13 seconds. Showers
likely.
.MON NIGHT...W wind around 5 kt, veering to NW after midnight.
Seas 4 to 5 ft. Wave Detail: SW 3 ft at 6 seconds, S 2 ft at
13 seconds and W 2 ft at 14 seconds. Showers likely.

$$

PZZ130-042245-
West Entrance U.S. Waters Strait Of Juan De Fuca-
234 AM PDT Thu Sep 4 2025

.TODAY...W wind around 5 kt, rising to 5 to 10 kt late. Seas 3 to
4 ft. Wave Detail: W 3 ft at 7 seconds and W 2 ft at 12 seconds.
Patchy dense fog this morning.
.TONIGHT...W wind 5 to 10 kt, easing to around 5 kt after
midnight. Seas around 3 ft. Wave Detail: W 2 ft at 6 seconds.
.FRI...W wind around 5 kt. Seas around 3 ft. Wave Detail: W 2 ft
at 6 seconds.
.FRI NIGHT...W wind around 5 kt. Seas around 3 ft in the evening,
then around 2 ft or less. Wave Detail: W 2 ft at 6 seconds.
.SAT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W 2 ft
at 11 seconds.
.SAT NIGHT...W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W
2 ft at 12 seconds. A chance of showers.
.SUN...SW wind around 5 kt. Seas around 3 ft in the morning, then
around 2 ft or less. Wave Detail: W 2 ft at 11 seconds. A chance
of showers.
.SUN NIGHT...SW wind 5 to 10 kt. Seas around 2 ft or less. Wave
Detail: W 2 ft at 10 seconds. A chance of showers.
.MON...SW wind around 5 kt. Seas around 2 ft or less. A chance of
showers.
.MON NIGHT...W wind around 5 kt. Seas around 2 ft or less. A
chance of showers in the evening, then showers likely after
midnight.

$$

PZZ131-042245-
Central U.S. Waters Strait Of Juan De Fuca-
234 AM PDT Thu Sep 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT EARLY THIS
MORNING...

.TODAY...W wind 5 to 10 kt. Waves around 2 ft or less. Patchy
dense fog this morning.
.TONIGHT...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 5 to 10 kt. Waves around 2 ft or less.
.SAT NIGHT...W wind 10 to 15 kt. Waves around 2 ft or less, then
around 3 ft after midnight. A chance of showers.
.SUN...W wind 5 to 10 kt. Waves around 2 ft or less. A chance of
showers.
.SUN NIGHT...W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Waves around 2 ft or less. A chance of showers.
.MON...W wind 5 to 10 kt. Waves around 2 ft or less. A chance of
showers.
.MON NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. A
chance of showers in the evening, then showers likely after
midnight.

$$

PZZ132-042245-
East Entrance U.S. Waters Strait Of Juan De Fuca-
234 AM PDT Thu Sep 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT EARLY THIS
MORNING...

.TODAY...W wind around 5 kt. Waves around 2 ft or less. Patchy
dense fog early this morning. Hazy.
.TONIGHT...W wind around 5 kt. Waves around 2 ft or less.
.FRI...W wind around 5 kt. Waves around 2 ft or less.
.FRI NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.SAT...SW wind around 5 kt. Waves around 2 ft or less. A chance
of showers in the morning.
.SAT NIGHT...W wind 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Waves around 2 ft or less. A chance of showers.
.SUN...SW wind 5 to 10 kt. Waves around 2 ft or less. A chance of
showers.
.SUN NIGHT...SW wind 5 to 10 kt. Waves around 2 ft or less. A
chance of showers.
.MON...S wind 5 to 10 kt. Waves around 2 ft or less. A chance of
showers in the morning, then showers likely in the afternoon.
.MON NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. A
chance of showers in the evening, then showers likely after
midnight.

$$

PZZ134-042245-
Admiralty Inlet-
234 AM PDT Thu Sep 4 2025

.TODAY...NW wind around 5 kt. Waves around 2 ft or less. Hazy
until late afternoon.
.TONIGHT...NW wind around 5 kt. 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...W wind around 5 kt. Waves around 2 ft or less.
.SAT...S wind around 5 kt, veering to W around 5 kt in the
afternoon. Waves around 2 ft or less. A chance of showers.
.SAT NIGHT...W wind around 5 kt. Waves around 2 ft or less. A
chance of showers.
.SUN...S wind around 5 kt, veering to W in the afternoon. Waves
around 2 ft or less. A chance of showers.
.SUN NIGHT...W wind around 5 kt. Waves around 2 ft or less. A
chance of showers.
.MON...S wind around 5 kt. Waves around 2 ft or less. A chance of
showers in the morning, then showers likely in the afternoon.
.MON NIGHT...W wind around 5 kt. Waves around 2 ft or less.
Showers likely.

$$

PZZ133-042245-
Northern Inland Waters Including The San Juan Islands-
234 AM PDT Thu Sep 4 2025

.TODAY...S wind around 5 kt, veering to W late this morning and
afternoon. Waves around 2 ft or less. Hazy.
.TONIGHT...S wind around 5 kt. Waves around 2 ft or less.
.FRI...S wind around 5 kt, veering to W in the afternoon. Waves
around 2 ft or less.
.FRI NIGHT...SW wind around 5 kt. Waves around 2 ft or less.
.SAT...S wind around 5 kt. Waves around 2 ft or less.
.SAT NIGHT...S wind 5 to 10 kt. Waves around 2 ft or less. A
chance of showers after midnight.
.SUN...S wind 5 to 10 kt. Waves around 2 ft or less. A chance of
showers.
.SUN NIGHT...S wind around 5 kt. Waves around 2 ft or less. A
chance of showers.
.MON...S wind around 5 kt. Waves around 2 ft or less. A chance of
showers.
.MON NIGHT...S wind around 5 kt. Waves around 2 ft or less. A
chance of showers in the evening, then showers likely after
midnight.

$$

PZZ135-042245-
Puget Sound and Hood Canal-
234 AM PDT Thu Sep 4 2025

.TODAY...N wind around 5 kt. Waves around 2 ft or less. Hazy this
morning.
.TONIGHT...N wind around 5 kt. Waves around 2 ft or less.
.FRI...NW wind around 5 kt. Waves around 2 ft or less.
.FRI NIGHT...NW wind around 5 kt, backing to W around 5 kt after
midnight. Waves around 2 ft or less.
.SAT...SW wind around 5 kt. Waves around 2 ft or less. A chance
of showers.
.SAT NIGHT...SW wind 5 to 10 kt. Waves around 2 ft or less. A
chance of showers.
.SUN...S wind around 5 kt. Waves around 2 ft or less. A chance of
showers.
.SUN NIGHT...W wind 5 to 10 kt, becoming SW after midnight. Waves
around 2 ft or less. A chance of showers.
.MON...S wind around 5 kt. Waves around 2 ft or less. A chance of
showers.
.MON NIGHT...SW wind around 5 kt. Waves around 2 ft or less. A
chance of showers in the evening, then showers likely after
midnight.

$$

PZZ110-042245-
Grays Harbor Bar-
234 AM PDT Thu Sep 4 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...

Combined seas 4 to 5 ft. Bar conditions light. Maximum ebb
currents will occur around 315 PM Thursday, 330 AM Friday, and 400
PM Friday.

$$