818
FZUS56 KSEW 312149
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
249 PM PDT Sun Aug 31 2025

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

PZZ100-011100-
249 PM PDT Sun Aug 31 2025

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND
WATERS...Broad high pressure will persist over the northeast
Pacific over the next several days. This will generate continued
onshore flow which will bring westerly pushes through the Strait
of Juan de Fuca each evening over the next several days.

$$

PZZ150-011100-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
249 PM PDT Sun Aug 31 2025

.TONIGHT...SW wind around 5 kt until early morning, becoming
light and variable. Seas 3 to 4 ft. Wave Detail: W 2 ft at
5 seconds, W 2 ft at 10 seconds and SW 2 ft at 17 seconds. A
slight chance of tstms early this evening. A slight chance of
rain after midnight. Patchy dense fog late.
.MON...S wind around 5 kt. Seas around 3 ft. Wave Detail: NW 2 ft
at 6 seconds, W 2 ft at 9 seconds and SW 2 ft at 17 seconds.
Patchy dense fog in the morning.
.MON NIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail:
NW 2 ft at 8 seconds and SW 2 ft at 16 seconds. Patchy fog.
.TUE...NW wind around 5 kt, rising to 5 to 10 kt in the
afternoon. Seas around 3 ft. Wave Detail: W 3 ft at 9 seconds and
SW 2 ft at 15 seconds.
.TUE NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 8 seconds, W 2 ft at 13 seconds and SW 2 ft at
15 seconds.
.WED...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft
at 8 seconds, W 2 ft at 13 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W
3 ft at 5 seconds, W 2 ft at 12 seconds and SW 2 ft at
14 seconds.
.THU...NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 3 ft
at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds.
.THU NIGHT...W wind around 5 kt. Seas around 4 ft. Wave Detail: W
3 ft at 7 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
7 seconds and W 2 ft at 11 seconds.
.FRI NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 7 seconds and SW 2 ft at 15 seconds.

Winds and seas higher in and near tstms.

$$

PZZ153-011100-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
249 PM PDT Sun Aug 31 2025

.TONIGHT...NW wind around 5 kt until early morning, becoming
light and variable. Seas 3 to 4 ft. Wave Detail: NW 2 ft at
5 seconds, W 2 ft at 10 seconds and SW 2 ft at 17 seconds. Patchy
dense fog late this evening and overnight.
.MON...Light and variable winds, becoming SW around 5 kt in the
afternoon. Seas around 3 ft. Wave Detail: NW 2 ft at 6 seconds, W
2 ft at 9 seconds and SW 2 ft at 17 seconds. Patchy dense fog in
the morning.
.MON NIGHT...NW wind around 5 kt. Seas around 3 ft. Wave Detail:
NW 2 ft at 6 seconds, W 2 ft at 9 seconds and SW 2 ft at
16 seconds.
.TUE...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 3 ft
at 9 seconds, W 2 ft at 13 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 7 seconds, W 2 ft at 13 seconds and SW 2 ft at
15 seconds.
.WED...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft
at 8 seconds, W 2 ft at 13 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...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, SW
2 ft at 9 seconds and W 2 ft at 12 seconds.
.THU...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 3 ft
at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds.
.THU NIGHT...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: W 3 ft
at 7 seconds and W 2 ft at 11 seconds.
.FRI NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 7 seconds and W 2 ft at 10 seconds.

$$

PZZ156-011100-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
249 PM PDT Sun Aug 31 2025

.TONIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
2 ft at 6 seconds, W 2 ft at 10 seconds and SW 2 ft at
17 seconds.
.MON...W wind around 5 kt. Seas around 3 ft. Wave Detail: NW 2 ft
at 5 seconds, W 2 ft at 9 seconds and SW 2 ft at 17 seconds.
Patchy dense fog in the morning.
.MON NIGHT...NW wind around 5 kt. Seas around 3 ft. Wave Detail:
NW 2 ft at 6 seconds, W 2 ft at 9 seconds and SW 2 ft at
16 seconds.
.TUE...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at
9 seconds, W 2 ft at 12 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 7 seconds, W 2 ft at 14 seconds and SW 2 ft at
15 seconds.
.WED...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft
at 6 seconds, W 2 ft at 13 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at 13 seconds.
.THU...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft
at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds.
.THU NIGHT...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: W
3 ft at 7 seconds and W 2 ft at 11 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: W
3 ft at 7 seconds and W 2 ft at 10 seconds.

$$

PZZ170-011100-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
249 PM PDT Sun Aug 31 2025

.TONIGHT...W wind 5 to 10 kt. Seas around 4 ft. Wave Detail: W
3 ft at 6 seconds, W 2 ft at 10 seconds and SW 2 ft at
18 seconds. A slight chance of rain early this evening. A slight
chance of rain after midnight.
.MON...SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 6 seconds, W 2 ft at 9 seconds and SW 2 ft at 17 seconds.
.MON NIGHT...W wind around 5 kt in the evening, becoming light
and variable. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 9 seconds
and SW 2 ft at 17 seconds.
.TUE...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at
9 seconds, W 3 ft at 15 seconds and SW 2 ft at 16 seconds.
.TUE NIGHT...NW wind around 10 kt. Seas 4 to 5 ft. Wave Detail:
NW 3 ft at 8 seconds, W 2 ft at 14 seconds and SW 2 ft at
15 seconds.
.WED...NW wind around 10 kt. Seas 4 to 5 ft. Wave Detail: NW 3 ft
at 8 seconds, W 3 ft at 13 seconds and S 2 ft at 15 seconds.
.WED NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
4 ft at 5 seconds, SW 2 ft at 9 seconds and W 3 ft at 12 seconds.
.THU...NW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Seas 5 to 6 ft. Wave Detail: NW 4 ft at 6 seconds, SW
2 ft at 9 seconds and W 2 ft at 12 seconds.
.THU NIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. 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: W 4 ft at
7 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 and S 2 ft at 15 seconds.

$$

PZZ173-011100-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
249 PM PDT Sun Aug 31 2025

.TONIGHT...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: W
3 ft at 6 seconds, W 2 ft at 10 seconds and SW 2 ft at
18 seconds. A slight chance of rain early this evening.
.MON...SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 6 seconds, W 3 ft at 9 seconds and SW 2 ft at 17 seconds.
Patchy dense fog in the morning.
.MON NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 9 seconds and SW 2 ft at 16 seconds.
.TUE...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at
9 seconds, W 2 ft at 15 seconds and SW 2 ft at 16 seconds.
.TUE NIGHT...NW wind around 10 kt. Seas 4 to 5 ft. Wave Detail:
NW 4 ft at 8 seconds, W 2 ft at 14 seconds and SW 2 ft at
15 seconds.
.WED...NW wind 10 to 15 kt. Seas around 5 ft. Wave Detail: NW
4 ft at 8 seconds, W 3 ft at 13 seconds and S 2 ft at 15 seconds.
.WED NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 6 seconds, SW 2 ft at 9 seconds and NW 3 ft at
13 seconds.
.THU...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft
at 6 seconds, SW 2 ft at 9 seconds and W 2 ft at 12 seconds.
.THU NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 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: W 4 ft at
7 seconds, W 2 ft at 11 seconds and S 2 ft at 15 seconds.
.FRI NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W
4 ft at 7 seconds, W 2 ft at 10 seconds and S 2 ft at 15 seconds.


$$

PZZ176-011100-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
249 PM PDT Sun Aug 31 2025

.TONIGHT...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: NW
3 ft at 5 seconds, W 2 ft at 10 seconds and SW 2 ft at
18 seconds.
.MON...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 5 seconds, W 2 ft at 9 seconds and SW 2 ft at 17 seconds.
.MON NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 9 seconds and SW 2 ft at 16 seconds.
.TUE...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at
9 seconds, SW 2 ft at 15 seconds and W 2 ft at 15 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 8 seconds, W 2 ft at 14 seconds and SW 2 ft at
15 seconds.
.WED...NW wind 10 to 15 kt. Seas around 5 ft. Wave Detail: NW
4 ft at 8 seconds, W 3 ft at 13 seconds and SW 2 ft at
15 seconds.
.WED NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 6 seconds, SW 2 ft at 9 seconds and NW 5 ft at
13 seconds.
.THU...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 4 ft
at 6 seconds, SW 2 ft at 9 seconds and W 3 ft at 12 seconds.
.THU NIGHT...NW wind 10 to 15 kt. Seas around 5 ft. Wave Detail:
W 4 ft at 7 seconds, W 2 ft at 11 seconds and SW 2 ft at
15 seconds.
.FRI...NW wind 5 to 10 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 NIGHT...NW wind around 10 kt. Seas 4 to 5 ft. Wave Detail: W
3 ft at 7 seconds, W 2 ft at 10 seconds and S 2 ft at 15 seconds.


$$

PZZ130-011100-
West Entrance U.S. Waters Strait Of Juan De Fuca-
249 PM PDT Sun Aug 31 2025

.TONIGHT...W wind 5 to 10 kt, easing to around 5 kt late. Seas
around 3 ft. Wave Detail: W 2 ft at 5 seconds and W 2 ft at
10 seconds. A slight chance of rain and tstms early this evening,
then a slight chance of rain late this evening.
.MON...W wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Seas around 3 ft. Wave Detail: W 2 ft at 9 seconds.
.MON NIGHT...W wind 5 to 10 kt. Seas around 2 ft or less. Wave
Detail: W 2 ft at 9 seconds.
.TUE...W wind around 5 kt, veering to NW in the afternoon. Seas
around 2 ft or less. Wave Detail: W 2 ft at 9 seconds.
.TUE NIGHT...W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW
2 ft at 5 seconds.
.WED...W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 2 ft
at 5 seconds and W 2 ft at 12 seconds.
.WED NIGHT...W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W
2 ft at 5 seconds and W 2 ft at 11 seconds.
.THU...W wind around 5 kt. Seas around 3 ft. Wave Detail: W 2 ft
at 6 seconds and W 2 ft at 11 seconds.
.THU NIGHT...W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W
2 ft at 6 seconds and W 2 ft at 11 seconds.
.FRI...W wind around 5 kt. Seas around 3 ft. Wave Detail: W 2 ft
at 6 seconds.
.FRI NIGHT...W wind 5 to 10 kt. Seas around 3 ft in the evening,
then around 2 ft or less. Wave Detail: W 2 ft at 6 seconds.

Winds and seas higher in and near tstms.

$$

PZZ131-011100-
Central U.S. Waters Strait Of Juan De Fuca-
249 PM PDT Sun Aug 31 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM PDT MONDAY...

.TONIGHT...W wind 15 to 20 kt with gusts to 25 kt, easing to 5 to
10 kt. Waves around 3 ft.
.MON...W wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Waves around 2 ft or less.
.MON NIGHT...W wind 10 to 20 kt. Waves around 2 ft or less.
.TUE...W wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.WED...W wind around 5 kt. Waves around 2 ft or less.
.WED NIGHT...W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Waves around 2 ft or less.
.THU...W 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.

$$

PZZ132-011100-
East Entrance U.S. Waters Strait Of Juan De Fuca-
249 PM PDT Sun Aug 31 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM PDT MONDAY...

.TONIGHT...W wind 10 to 20 kt with gusts to 25 kt, easing to 5 to
10 kt late. Waves around 3 ft. A slight chance of tstms early
this evening.
.MON...SW wind 5 to 10 kt. Waves around 2 ft or less. Patchy
dense fog in the morning.
.MON NIGHT...W wind 5 to 15 kt. Waves around 2 ft or less.
.TUE...W wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.WED...W wind around 5 kt. Waves around 2 ft or less.
.WED NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.THU...W 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.

Winds and waves higher in and near tstms.

$$

PZZ134-011100-
Admiralty Inlet-
249 PM PDT Sun Aug 31 2025

.TONIGHT...NW wind around 5 kt, backing to S after midnight.
Waves around 2 ft or less. Patchy fog late.
.MON...SE wind around 5 kt, backing to N around 5 kt in the
afternoon. Waves around 2 ft or less. Patchy dense fog in the
morning.
.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, becoming W after midnight. Waves
around 2 ft or less.
.THU...SW wind around 5 kt, veering to NW around 5 kt in the
afternoon. Waves around 2 ft or less.
.THU NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.FRI...S wind around 5 kt, veering to NW around 5 kt in the
afternoon. Waves around 2 ft or less.
.FRI NIGHT...NW wind around 5 kt. Waves around 2 ft or less.

$$

PZZ133-011100-
Northern Inland Waters Including The San Juan Islands-
249 PM PDT Sun Aug 31 2025

.TONIGHT...S wind 5 to 10 kt, easing to around 5 kt late. Waves
around 2 ft or less. A slight chance of rain and tstms early this
evening.
.MON...S wind around 5 kt. Waves around 2 ft or less. Patchy
dense fog in the morning.
.MON NIGHT...S wind around 5 kt. Waves around 2 ft or less.
.TUE...S wind around 5 kt, veering to W in the afternoon. Waves
around 2 ft or less.
.TUE NIGHT...SW wind around 5 kt, backing to S after midnight.
Waves around 2 ft or less.
.WED...W wind around 5 kt. Waves around 2 ft or less.
.WED NIGHT...SW wind around 5 kt. Waves around 2 ft or less.
.THU...SW wind around 5 kt. Waves around 2 ft or less.
.THU NIGHT...S wind around 5 kt. Waves around 2 ft or less.
.FRI...S wind around 5 kt. Waves around 2 ft or less.
.FRI NIGHT...S wind around 5 kt. Waves around 2 ft or less.

Winds and waves higher in and near tstms.

$$

PZZ135-011100-
Puget Sound and Hood Canal-
249 PM PDT Sun Aug 31 2025

.TONIGHT...NW wind around 5 kt, backing to S after midnight.
Waves around 2 ft or less.
.MON...SW wind around 5 kt. Waves around 2 ft or less. Patchy
dense fog in the morning.
.MON NIGHT...NW wind around 5 kt. Waves around 2 ft or less.
.TUE...N wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...N wind around 5 kt. Waves around 2 ft or less.
.WED...N wind around 5 kt. Waves around 2 ft or less.
.WED NIGHT...N wind 5 to 10 kt, becoming W after midnight. Waves
around 2 ft or less.
.THU...SW wind around 5 kt. Waves around 2 ft or less.
.THU NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.FRI...SW wind around 5 kt. Waves around 2 ft or less.
.FRI NIGHT...NW wind around 5 kt. Waves around 2 ft or less.

$$

PZZ110-011100-
Grays Harbor Bar-
249 PM PDT Sun Aug 31 2025

Combined seas 1 to 3 ft. Bar conditions light. Maximum ebb
currents will occur around 1130 PM Sunday, and 1215 PM Monday, and
1230 AM Tuesday.

$$