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 15 16 17 18 19 20 21
343
FZUS56 KSEW 311608
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
908 AM 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

PZZ100-010515-
908 AM 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.

$$

PZZ150-010515-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
908 AM PDT Sun Aug 31 2025

.TODAY...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 4 seconds, W 2 ft at 11 seconds and SW 2 ft at 17 seconds. A
slight chance of tstms early this morning. Patchy dense fog early
this morning.
.TONIGHT...SW wind around 5 kt in the evening, becoming light and
variable. Seas around 3 ft. Wave Detail: W 2 ft at 10 seconds and
SW 2 ft at 16 seconds. Patchy dense fog.
.MON...S wind around 5 kt. Seas around 3 ft. Wave Detail: 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 9 seconds and SW 2 ft at 16 seconds.
.TUE...NW wind around 5 kt, rising to 5 to 10 kt in the
afternoon. Seas around 3 ft. Wave Detail: NW 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 around 4 ft. Wave Detail: NW 3 ft
at 7 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: NW
3 ft at 5 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: W 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 around 4 ft. Wave Detail: W
3 ft at 7 seconds and W 2 ft at 11 seconds.

Winds and seas higher in and near tstms.

$$

PZZ153-010515-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
908 AM PDT Sun Aug 31 2025

.TODAY...NW wind around 5 kt. Seas around 3 ft. Wave Detail: NW
2 ft at 4 seconds, W 2 ft at 11 seconds and SW 2 ft at
17 seconds.
.TONIGHT...NW wind around 5 kt. Seas around 3 ft. Wave Detail: W
2 ft at 10 seconds and SW 2 ft at 17 seconds. Patchy dense fog.
.MON...Light and variable winds, becoming W around 5 kt in the
afternoon. Seas around 3 ft. Wave Detail: 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 8 seconds and SW 2 ft at 16 seconds.
.TUE...NW wind 5 to 10 kt. 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 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. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 5 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 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 around 4 ft. Wave Detail: W
3 ft at 7 seconds and W 2 ft at 11 seconds.

$$

PZZ156-010515-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
908 AM PDT Sun Aug 31 2025

.TODAY...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 4 seconds, W 2 ft at 11 seconds and SW 2 ft at 17 seconds.
.TONIGHT...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW
2 ft at 4 seconds, W 2 ft at 10 seconds and SW 2 ft at
17 seconds.
.MON...NW 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.
.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: W 3 ft at
10 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 6 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, W 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 around 10 kt. Seas 4 to 5 ft. Wave Detail: W
4 ft at 7 seconds and W 2 ft at 11 seconds.

$$

PZZ170-010515-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
908 AM PDT Sun Aug 31 2025

.TODAY...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 4 seconds, W 2 ft at 11 seconds and SW 2 ft at 17 seconds. A
slight chance of tstms early this morning.
.TONIGHT...W wind 5 to 10 kt, easing to around 5 kt after
midnight. Seas 3 to 4 ft. Wave Detail: W 2 ft at 5 seconds, W
2 ft at 10 seconds and SW 2 ft at 18 seconds.
.MON...SW 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.
Patchy dense fog in the morning.
.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 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 4 to 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
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. 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. Seas around 5 ft. Wave Detail:
W 4 ft at 7 seconds, W 2 ft at 11 seconds and S 2 ft at
15 seconds.

Winds and seas higher in and near tstms.

$$

PZZ173-010515-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
908 AM PDT Sun Aug 31 2025

.TODAY...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: N
2 ft at 4 seconds, W 2 ft at 11 seconds and SW 2 ft at
17 seconds. A slight chance of tstms early this morning.
.TONIGHT...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: W
2 ft at 5 seconds, W 2 ft at 10 seconds and SW 2 ft at
18 seconds.
.MON...SW 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.
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 17 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 14 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
12 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 5 to 6 ft. Wave Detail: W
5 ft at 7 seconds, W 2 ft at 11 seconds and S 2 ft at 15 seconds.


Winds and seas higher in and near tstms.

$$

PZZ176-010515-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
908 AM PDT Sun Aug 31 2025

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


$$

PZZ130-010515-
West Entrance U.S. Waters Strait Of Juan De Fuca-
908 AM PDT Sun Aug 31 2025

.TODAY...Light and variable winds, becoming W 5 to 10 kt. Seas
around 3 ft. Wave Detail: W 2 ft at 11 seconds. A slight chance
of rain until late afternoon. A slight chance of tstms this
afternoon.
.TONIGHT...W wind 5 to 10 kt, easing to around 5 kt after
midnight. Seas around 3 ft. Wave Detail: W 2 ft at 10 seconds.
.MON...W wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Seas around 3 ft in the morning, then around 2 ft or less. 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...NW wind 5 to 10 kt. 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.

Winds and seas higher in and near tstms.

$$

PZZ131-010515-
Central U.S. Waters Strait Of Juan De Fuca-
908 AM PDT Sun Aug 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM PDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...W wind around 5 kt, rising to 10 to 20 kt late with gusts
to 25 kt. Waves around 2 ft or less. A slight chance of rain late
this morning and afternoon.
.TONIGHT...W wind 10 to 20 kt with gusts to 25 kt. Waves around 3
ft.
.MON...W wind 5 to 10 kt. Waves around 2 ft or less.
.MON NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.TUE...W wind 5 to 10 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 5 to 10 kt. Waves around 2 ft or less.
.THU...W wind 5 to 10 kt. Waves around 2 ft or less.
.THU NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.

$$

PZZ132-010515-
East Entrance U.S. Waters Strait Of Juan De Fuca-
908 AM PDT Sun Aug 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM PDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...W wind 5 to 15 kt. Waves around 2 ft or less. A slight
chance of rain and tstms late this morning and early afternoon. A
slight chance of rain late.
.TONIGHT...W wind 10 to 20 kt with gusts to 25 kt, becoming SW 5
to 15 kt after midnight. Waves around 2 ft or less.
.MON...W wind 5 to 10 kt. Waves around 2 ft or less. Patchy dense
fog in the morning.
.MON NIGHT...W wind 5 to 10 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 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.

Winds and waves higher in and near tstms.

$$

PZZ134-010515-
Admiralty Inlet-
908 AM PDT Sun Aug 31 2025

.TODAY...NW wind around 5 kt. Waves around 2 ft or less. A slight
chance of rain late this morning. A slight chance of tstms late
this morning and early afternoon. A slight chance of rain late.
.TONIGHT...NW wind around 5 kt, backing to S after midnight.
Waves around 2 ft or less.
.MON...NW 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...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 in the afternoon. Waves
around 2 ft or less.
.THU NIGHT...NW wind 5 to 10 kt, becoming W after midnight. Waves
around 2 ft or less.

Winds and waves higher in and near tstms.

$$

PZZ133-010515-
Northern Inland Waters Including The San Juan Islands-
908 AM PDT Sun Aug 31 2025

.TODAY...W wind around 5 kt, backing to SW around 5 kt late.
Waves around 2 ft or less. Patchy dense fog early this morning. A
slight chance of rain and tstms this afternoon.
.TONIGHT...S wind around 5 kt. Waves around 2 ft or less.
.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...SW 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...NW 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...SW wind around 5 kt. Waves around 2 ft or less.

Winds and waves higher in and near tstms.

$$

PZZ135-010515-
Puget Sound and Hood Canal-
908 AM PDT Sun Aug 31 2025

.TODAY...Light and variable winds, becoming E around 5 kt late
this morning, backing to W this afternoon. Waves around 2 ft or
less. Patchy dense fog early this morning. A slight chance of
tstms late this morning.
.TONIGHT...W 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 5 to 10 kt, easing to around 5 kt after
midnight. 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 NW 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...NW wind around 5 kt. Waves around 2 ft or less.

Winds and waves higher in and near tstms.

$$

PZZ110-010515-
Grays Harbor Bar-
908 AM PDT Sun Aug 31 2025

Combined seas 1 to 3 ft. Bar conditions light. Maximum ebb
currents will occur around 1030 AM Sunday, 1130 PM Sunday, and
1215 PM Monday.

$$