Coastal Waters Forecast
Issued by NWS Seattle/Tacoma, WA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
833
FZUS56 KSEW 100950
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
250 AM PDT Sun Aug 10 2025

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

PZZ100-102300-
250 AM PDT Sun Aug 10 2025

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND
WATERS...High pressure will remain over the coastal waters through
Wednesday. A thermally induced surface trough will move up the
coastline tonight then shift inland Monday and Tuesday. High
pressure will weaken Wednesday with a weak trough moving into the
coastal waters Thursday.

$$

PZZ150-102300-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
250 AM PDT Sun Aug 10 2025

.TODAY...NW wind 5 to 15 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft
at 8 seconds. Widespread dense fog early this morning, then areas
of dense fog late this morning and early afternoon.
.TONIGHT...NW wind 5 to 15 kt. Seas 6 to 8 ft, building to 8 to 9
ft after midnight. Wave Detail: W 9 ft at 10 seconds and SW 2 ft
at 18 seconds.
.MON...N wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: W 9 ft at
11 seconds and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 5 to 10 kt. Seas 7 to 8 ft. Wave Detail:
W 8 ft at 10 seconds and SW 2 ft at 17 seconds.
.TUE...NW wind around 5 kt, rising to 10 to 15 kt in the
afternoon. Seas 7 to 8 ft. Wave Detail: W 8 ft at 10 seconds and
SW 2 ft at 17 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: W
8 ft at 9 seconds and SW 2 ft at 17 seconds.
.WED...W wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at
9 seconds and SW 2 ft at 16 seconds.
.WED NIGHT...W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W
6 ft at 9 seconds and SW 2 ft at 15 seconds.
.THU...W wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at
8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 9 seconds and SW 2 ft at 15 seconds.

$$

PZZ153-102300-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
250 AM PDT Sun Aug 10 2025

.TODAY...NW wind 5 to 15 kt. Seas 5 to 6 ft. Wave Detail:
W 6 ft at 8 seconds. Widespread dense fog early this morning,
then areas of dense fog late this morning and early afternoon.
.TONIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 6 to 9 ft. Wave Detail: W 8 ft at 10 seconds and
SW 2 ft at 18 seconds.
.MON...N wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: W 8 ft at
10 seconds and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 6 to 8 ft. Wave Detail: W 8 ft at 10 seconds and
SW 2 ft at 17 seconds.
.TUE...N wind around 5 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 6 to 8 ft. Wave Detail: W 8 ft at 10 seconds and
SW 2 ft at 17 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: W
7 ft at 9 seconds and SW 2 ft at 17 seconds.
.WED...W wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at
9 seconds and SW 2 ft at 16 seconds.
.WED NIGHT...NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W
6 ft at 9 seconds and SW 2 ft at 15 seconds.
.THU...W wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at
8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 8 seconds and SW 2 ft at 15 seconds.

$$

PZZ156-102300-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
250 AM PDT Sun Aug 10 2025

.TODAY...N wind 5 to 15 kt, becoming NW late. Seas 4 to 6 ft.
Wave Detail: W 6 ft at 8 seconds. Widespread dense fog early this
morning, then areas of dense fog late this morning and early
afternoon.
.TONIGHT...NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: W
8 ft at 10 seconds and SW 2 ft at 18 seconds.
.MON...N wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: W 8 ft at
10 seconds and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W
7 ft at 10 seconds and SW 2 ft at 17 seconds.
.TUE...NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 8 ft at
10 seconds and SW 2 ft at 17 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: W
7 ft at 10 seconds and SW 2 ft at 17 seconds.
.WED...NW wind around 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft
at 9 seconds and SW 2 ft at 16 seconds.
.WED NIGHT...NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W
6 ft at 9 seconds and SW 2 ft at 15 seconds.
.THU...W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at
8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 8 seconds and SW 2 ft at 15 seconds.

$$

PZZ170-102300-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
250 AM PDT Sun Aug 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...NW wind 10 to 15 kt, rising to 15 to 20 kt late. Seas
6 to 7 ft, building to 6 to 9 ft this afternoon. Wave Detail: W
8 ft at 9 seconds. Areas of dense fog early this morning, then
patchy dense fog late this morning.
.TONIGHT...NW wind 20 to 25 kt. Seas 9 to 12 ft. Wave Detail: NW
11 ft at 9 seconds and SW 2 ft at 18 seconds.
.MON...N wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Seas 9 to 12 ft, subsiding to 9 to 10 ft in the
afternoon. Wave Detail: W 11 ft at 11 seconds and SW 2 ft at
18 seconds.
.MON NIGHT...NW wind 15 to 20 kt. Seas 8 to 9 ft, building to
8 to 11 ft after midnight. Wave Detail: NW 10 ft at 10 seconds
and SW 2 ft at 17 seconds.
.TUE...NW wind 15 to 20 kt, rising to 20 to 25 kt with gusts up
to 35 kt in the afternoon. Seas 8 to 11 ft. Wave Detail: NW 10 ft
at 10 seconds and SW 3 ft at 17 seconds.
.TUE NIGHT...NW wind 20 to 25 kt with gusts up to 35 kt. Seas
8 to 11 ft. Wave Detail: NW 10 ft at 9 seconds and SW 3 ft at
17 seconds.
.WED...NW wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Seas 7 to 10 ft. Wave Detail: W 9 ft at 9 seconds and
SW 3 ft at 16 seconds.
.WED NIGHT...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: W
7 ft at 9 seconds and SW 3 ft at 15 seconds.
.THU...W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at
8 seconds and SW 3 ft at 15 seconds.
.THU NIGHT...W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W
3 ft at 9 seconds and SW 3 ft at 15 seconds.

$$

PZZ173-102300-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
250 AM PDT Sun Aug 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave Detail: NW
5 ft at 7 seconds and NW 8 ft at 9 seconds. Areas of dense fog
early this morning, then patchy fog late this morning. Areas of
dense fog early this afternoon.
.TONIGHT...NW wind 20 to 25 kt. Seas 9 to 12 ft. Wave Detail: NW
12 ft at 10 seconds and SW 2 ft at 18 seconds.
.MON...N wind 20 to 25 kt, easing to 10 to 15 kt in the
afternoon. Seas 9 to 12 ft. Wave Detail: NW 12 ft at 10 seconds
and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail:
NW 10 ft at 10 seconds and SW 2 ft at 17 seconds.
.TUE...NW wind 15 to 20 kt, rising to 20 to 25 kt with gusts up
to 35 kt in the afternoon. Seas 9 to 11 ft. Wave Detail: NW 10 ft
at 10 seconds and SW 3 ft at 17 seconds.
.TUE NIGHT...NW wind 20 to 25 kt with gusts up to 35 kt. Seas
9 to 11 ft. Wave Detail: NW 10 ft at 9 seconds and SW 3 ft at
17 seconds.
.WED...NW wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 9 seconds and
SW 3 ft at 16 seconds.
.WED NIGHT...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW
7 ft at 8 seconds and SW 3 ft at 15 seconds.
.THU...W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at
8 seconds and SW 3 ft at 15 seconds.
.THU NIGHT...W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW
3 ft at 6 seconds, W 3 ft at 9 seconds and SW 3 ft at 15 seconds.


$$

PZZ176-102300-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
250 AM PDT Sun Aug 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...N wind 15 to 20 kt, easing to 10 to 15 kt late this
morning, rising to 15 to 20 kt this afternoon. Seas 6 to 8 ft.
Wave Detail: NW 7 ft at 8 seconds and NW 5 ft at 8 seconds.
Widespread dense fog early this morning, then areas of dense fog
late this morning and early afternoon.
.TONIGHT...N wind 15 to 20 kt. Seas 8 to 11 ft. Wave Detail: NW
11 ft at 10 seconds and SW 2 ft at 18 seconds.
.MON...N wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Seas 9 to 11 ft. Wave Detail: NW 11 ft at 10 seconds
and SW 2 ft at 18 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 8 to 10 ft. Wave Detail:
NW 10 ft at 10 seconds and SW 2 ft at 17 seconds.
.TUE...NW wind 15 to 20 kt. Seas 8 to 10 ft. Wave Detail: NW
10 ft at 10 seconds and SW 3 ft at 17 seconds.
.TUE NIGHT...NW wind 15 to 20 kt. Seas 8 to 10 ft. Wave Detail:
NW 9 ft at 9 seconds and SW 3 ft at 17 seconds.
.WED...NW wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Seas 7 to 10 ft. Wave Detail: NW 8 ft at 9 seconds and
SW 3 ft at 16 seconds.
.WED NIGHT...NW wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: NW
7 ft at 8 seconds and SW 3 ft at 15 seconds.
.THU...NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft
at 8 seconds and SW 3 ft at 15 seconds.
.THU NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W
3 ft at 8 seconds, SW 3 ft at 14 seconds and SW 3 ft at
15 seconds.

$$

PZZ130-102300-
West Entrance U.S. Waters Strait Of Juan De Fuca-
250 AM PDT Sun Aug 10 2025

.TODAY...NE wind around 5 kt, backing to NW this afternoon. Seas
3 to 4 ft. Wave Detail: W 4 ft at 8 seconds. Widespread dense fog
early this morning, then areas of dense fog late this morning.
Patchy fog early this afternoon.
.TONIGHT...W wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W
6 ft at 9 seconds.
.MON...NE wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft
at 10 seconds.
.MON NIGHT...NW wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W
6 ft at 10 seconds.
.TUE...NE wind around 5 kt, becoming W 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 10 seconds.
.TUE NIGHT...W wind 15 to 20 kt, becoming SW 5 to 10 kt after
midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 9 seconds.
.WED...W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at
9 seconds.
.WED NIGHT...W wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W
4 ft at 8 seconds.
.THU...W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
8 seconds.
.THU NIGHT...W wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W
2 ft at 8 seconds.

$$

PZZ131-102300-
Central U.S. Waters Strait Of Juan De Fuca-
250 AM PDT Sun Aug 10 2025

.TODAY...W wind around 5 kt, veering to NE late this morning and
early afternoon, backing to NW late. Waves around 2 ft or less.
Areas of dense fog until late afternoon.
.TONIGHT...W wind 5 to 10 kt. Waves around 2 ft or less, then
around 3 ft after midnight.
.MON...E wind 5 to 10 kt. Waves around 3 ft.
.MON NIGHT...W wind 5 to 10 kt. Waves around 3 ft.
.TUE...E wind 5 to 10 kt, becoming W 15 to 20 kt in the
afternoon. Waves around 3 ft.
.TUE NIGHT...W wind 20 to 30 kt. Waves 3 to 5 ft.
.WED...W wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Waves around 3 ft.
.WED NIGHT...W wind 15 to 20 kt. Waves 3 to 4 ft.
.THU...W wind 10 to 15 kt. Waves around 3 ft in the morning, then
around 2 ft or less.
.THU NIGHT...W wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Waves around 3 ft.

$$

PZZ132-102300-
East Entrance U.S. Waters Strait Of Juan De Fuca-
250 AM PDT Sun Aug 10 2025

.TODAY...W wind 5 to 10 kt. Waves around 2 ft or less. Areas of
dense fog early this morning.
.TONIGHT...W wind 5 to 10 kt, backing to SE after midnight. Waves
around 2 ft or less.
.MON...NW wind 5 to 10 kt. Waves around 2 ft or less.
.MON NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.TUE...N wind 5 to 10 kt, backing to NW in the afternoon. Waves
around 2 ft or less.
.TUE NIGHT...W wind 20 to 30 kt. Waves 3 to 5 ft.
.WED...SW wind 5 to 10 kt. Waves around 2 ft or less.
.WED NIGHT...W wind 10 to 15 kt. Waves 2 or 3 ft.
.THU...SW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Waves 2 or 3 ft.
.THU NIGHT...W wind 10 to 15 kt. Waves 2 ft or less.

$$

PZZ134-102300-
Admiralty Inlet-
250 AM PDT Sun Aug 10 2025

.TODAY...NW wind 5 to 10 kt. Waves around 2 ft or less.
.TONIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.MON...NW wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. Waves around 2 ft or less.
.MON NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.TUE...NW wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...NW wind 15 to 20 kt. Waves 2 or 3 ft.
.WED...S wind 5 to 10 kt. Waves around 2 ft or less.
.WED NIGHT...NW wind 5 to 10 kt, backing to SW after midnight.
Waves around 2 ft or less.
.THU...S wind around 5 kt. Waves around 2 ft or less.
.THU NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.

$$

PZZ133-102300-
Northern Inland Waters Including The San Juan Islands-
250 AM PDT Sun Aug 10 2025

.TODAY...NW wind around 5 kt. Waves around 2 ft or less.
.TONIGHT...W wind around 5 kt, veering to NW after midnight.
Waves around 2 ft or less.
.MON...NW wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. Waves around 2 ft or less.
.MON NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.TUE...NW wind 5 to 10 kt, backing to W in the afternoon. Waves
around 2 ft or less.
.TUE NIGHT...SW wind 10 to 15 kt. Waves around 2 ft or less.
.WED...S wind 5 to 10 kt. Waves around 2 ft or less.
.WED NIGHT...SW wind 5 to 10 kt. Waves around 2 ft or less.
.THU...S wind 5 to 10 kt. Waves around 2 ft or less.
.THU NIGHT...SW wind 5 to 10 kt. Waves around 2 ft or less.

$$

PZZ135-102300-
Puget Sound and Hood Canal-
250 AM PDT Sun Aug 10 2025

.TODAY...N wind 5 to 10 kt. Waves 1 ft or less.
.TONIGHT...N wind 5 to 10 kt. Waves 1 ft or less.
.MON...N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Waves around 2 ft or less.
.MON NIGHT...N wind 5 to 10 kt. Waves 1 ft or less.
.TUE...N wind 5 to 10 kt. Waves 1 ft or less.
.TUE NIGHT...N wind 5 to 10 kt, veering to S after midnight.
Waves 1 ft or less.
.WED...S wind 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...W wind 5 to 10 kt, backing to S after midnight.
Waves 1 ft or less.
.THU...S wind 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...W wind 5 to 10 kt, becoming SW after midnight. Waves
1 ft or less.

$$

PZZ110-102300-
Grays Harbor Bar-
250 AM PDT Sun Aug 10 2025

Combined seas 3 to 5 ft building to 6 or 7 ft tonight. Bar
conditions light becoming moderate tonight. Maximum ebb currents
will occur around 545 AM and 615 PM today and 630 AM Monday. The
morning ebbs will be strong.

$$