578
FZUS56 KSEW 300934
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
234 AM PDT Wed Sep 30 2026

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

PZZ100-302245-
234 AM PDT Wed Sep 30 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND
INLAND WATERS...High pressure continues to build over the coastal
waters. Offshore flow will develop late Wednesday and will persist
at times throughout the week, increasing by the weekend as a
thermal trough builds along the coast.

$$

PZZ150-302245-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
234 AM PDT Wed Sep 30 2026

.TODAY...N wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft
at 11 seconds and SW 2 ft at 16 seconds.
.TONIGHT...NE wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W
5 ft at 11 seconds and SW 2 ft at 16 seconds.
.THU...E wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at
10 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...E wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 10 seconds and SW 2 ft at 15 seconds. A chance of rain.
.FRI...NE wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft
at 9 seconds and SW 2 ft at 14 seconds.
.FRI NIGHT...N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: N
2 ft at 4 seconds, W 3 ft at 9 seconds and SW 2 ft at 14 seconds.
.SAT...NE wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 4 seconds, W 3 ft at 8 seconds and SW 2 ft at 16 seconds.
.SAT NIGHT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 4 seconds, W 3 ft at 7 seconds and SW 2 ft at 15 seconds.
.SUN...N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: N 2 ft at
4 seconds, W 3 ft at 7 seconds and W 2 ft at 14 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 5 seconds, W 3 ft at 12 seconds and SW 2 ft at
15 seconds.

$$

PZZ153-302245-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
234 AM PDT Wed Sep 30 2026

.TODAY...N wind around 5 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft
at 11 seconds.
.TONIGHT...N wind around 5 kt, veering to NE after midnight. Seas
4 to 5 ft. Wave Detail: W 5 ft at 11 seconds.
.THU...SE wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft
at 10 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...SE wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 10 seconds and SW 2 ft at 15 seconds.
.FRI...E wind around 5 kt, backing to NW in the afternoon. Seas
3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.
.FRI NIGHT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N
2 ft at 4 seconds and W 4 ft at 9 seconds.
.SAT...N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft
at 5 seconds and W 3 ft at 8 seconds.
.SAT NIGHT...N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 5 seconds and W 3 ft at 8 seconds.
.SUN...NE wind around 5 kt, backing to NW in the afternoon. Seas
around 3 ft. Wave Detail: NW 3 ft at 6 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 6 seconds and W 3 ft at 12 seconds.

$$

PZZ156-302245-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
234 AM PDT Wed Sep 30 2026

.TODAY...N wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft
at 11 seconds.
.TONIGHT...N wind 5 to 10 kt, veering to E after midnight. Seas
4 to 6 ft. Wave Detail: N 3 ft at 4 seconds and W 5 ft at
11 seconds.
.THU...E wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at
10 seconds.
.THU NIGHT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 10 seconds.
.FRI...E wind around 5 kt, backing to N in the afternoon. Seas
3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.
.FRI NIGHT...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N
3 ft at 4 seconds and W 4 ft at 9 seconds.
.SAT...NE wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft
at 8 seconds.
.SAT NIGHT...N wind 10 to 15 kt, becoming NE 5 to 10 kt after
midnight. Seas 3 to 5 ft. Wave Detail: NW 3 ft at 5 seconds and
NW 4 ft at 8 seconds.
.SUN...NE wind 5 to 10 kt, backing to N in the afternoon. Seas
around 3 ft. Wave Detail: NW 3 ft at 8 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 6 seconds and W 3 ft at 12 seconds.

$$

PZZ170-302245-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
234 AM PDT Wed Sep 30 2026

.TODAY...N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: N 2 ft
at 4 seconds, W 6 ft at 11 seconds and SW 2 ft at 15 seconds.
.TONIGHT...N wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W
5 ft at 11 seconds and SW 2 ft at 16 seconds.
.THU...E wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE 2 ft at
3 seconds, W 5 ft at 10 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...E wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S
2 ft at 6 seconds, W 4 ft at 10 seconds and SW 2 ft at
15 seconds.
.FRI...N wind around 5 kt. Seas around 4 ft. Wave Detail: NE 2 ft
at 3 seconds, W 4 ft at 9 seconds and SW 2 ft at 14 seconds.
.FRI NIGHT...N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: N
3 ft at 4 seconds, NW 3 ft at 9 seconds and SW 2 ft at
14 seconds.
.SAT...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at
4 seconds, NW 3 ft at 8 seconds and SW 2 ft at 16 seconds.
.SAT NIGHT...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N
4 ft at 4 seconds, NW 2 ft at 8 seconds and SW 2 ft at
15 seconds.
.SUN...N wind 5 to 10 kt. Seas around 4 ft. Wave Detail: N 3 ft
at 5 seconds, W 3 ft at 8 seconds and W 2 ft at 13 seconds.
.SUN NIGHT...NW wind around 10 kt. Seas 4 to 5 ft, building to
5 to 7 ft after midnight. Wave Detail: NW 5 ft at 6 seconds, W
4 ft at 12 seconds and SW 2 ft at 15 seconds.

$$

PZZ173-302245-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
234 AM PDT Wed Sep 30 2026

.TODAY...N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: N 2 ft
at 5 seconds, W 6 ft at 11 seconds and SW 2 ft at 15 seconds.
.TONIGHT...N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft
at 11 seconds and SW 2 ft at 16 seconds.
.THU...SE wind 5 to 10 kt. Seas around 5 ft. Wave Detail: SE 2 ft
at 4 seconds, SW 2 ft at 8 seconds and W 5 ft at 10 seconds.
.THU NIGHT...SE wind 5 to 10 kt, veering to SW after midnight.
Seas 4 to 5 ft. Wave Detail: W 4 ft at 10 seconds and SW 2 ft at
15 seconds.
.FRI...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NE 3 ft at
4 seconds, NW 4 ft at 8 seconds and SW 2 ft at 14 seconds.
.FRI NIGHT...N wind around 10 kt. Seas 4 to 5 ft. Wave Detail: N
4 ft at 4 seconds, NW 4 ft at 9 seconds and SW 2 ft at
14 seconds.
.SAT...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at
5 seconds, NW 3 ft at 8 seconds and SW 2 ft at 16 seconds.
.SAT NIGHT...N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N
5 ft at 5 seconds, NW 3 ft at 8 seconds and SW 2 ft at
15 seconds.
.SUN...N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: N 4 ft at
5 seconds, W 3 ft at 8 seconds and W 2 ft at 13 seconds.
.SUN NIGHT...NW wind around 10 kt. Seas 5 to 7 ft. Wave Detail:
NW 5 ft at 6 seconds, W 4 ft at 12 seconds and SW 2 ft at
15 seconds.

$$

PZZ176-302245-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
234 AM PDT Wed Sep 30 2026

.TODAY...N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: N 3 ft
at 5 seconds, W 6 ft at 11 seconds and SW 2 ft at 16 seconds.
.TONIGHT...N wind 5 to 10 kt, veering to NE after midnight. Seas
5 to 6 ft. Wave Detail: W 6 ft at 11 seconds and SW 2 ft at
16 seconds.
.THU...SE wind 5 to 10 kt. Seas around 5 ft. Wave Detail: SW 2 ft
at 8 seconds, W 5 ft at 10 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...SW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W
4 ft at 10 seconds and SW 2 ft at 15 seconds.
.FRI...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at
4 seconds, W 4 ft at 9 seconds and SW 2 ft at 15 seconds.
.FRI NIGHT...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N
4 ft at 5 seconds, W 4 ft at 9 seconds and SW 2 ft at 15 seconds.
.SAT...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at
5 seconds, NW 4 ft at 8 seconds and SW 2 ft at 16 seconds.
.SAT NIGHT...N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N
5 ft at 5 seconds, NW 3 ft at 8 seconds and SW 2 ft at
15 seconds.
.SUN...N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at
5 seconds, NW 3 ft at 8 seconds and W 2 ft at 14 seconds.
.SUN NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft, building to
6 to 7 ft after midnight. Wave Detail: NW 6 ft at 7 seconds, W
4 ft at 12 seconds and SW 2 ft at 15 seconds.

$$

PZZ130-302245-
West Entrance U.S. Waters Strait Of Juan De Fuca-
234 AM PDT Wed Sep 30 2026

.TODAY...E wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft
at 11 seconds.
.TONIGHT...E wind around 5 kt, rising to 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 11 seconds.
.THU...E wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 2 ft at
3 seconds and W 4 ft at 10 seconds.
.THU NIGHT...E wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W
3 ft at 10 seconds. A chance of rain.
.FRI...E wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft
at 9 seconds.
.FRI NIGHT...NE wind around 5 kt. Seas around 3 ft in the
evening, then around 2 ft or less. Wave Detail: W 2 ft at
9 seconds.
.SAT...E wind 5 to 10 kt, easing to around 5 kt in the afternoon.
Seas around 3 ft. Wave Detail: W 2 ft at 8 seconds.
.SAT NIGHT...NE wind around 5 kt, rising to 5 to 10 kt after
midnight. Seas around 2 ft or less. Wave Detail: W 2 ft at
8 seconds.
.SUN...E wind 5 to 10 kt, easing to around 5 kt in the afternoon.
Seas around 3 ft. Wave Detail: W 2 ft at 6 seconds.
.SUN NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 7 seconds and W 3 ft at 12 seconds.

$$

PZZ131-302245-
Central U.S. Waters Strait Of Juan De Fuca-
234 AM PDT Wed Sep 30 2026

.TODAY...W wind 5 to 10 kt, becoming NE late this morning,
veering to E this afternoon. Waves around 2 ft or less.
.TONIGHT...E wind around 5 kt, veering to SE after midnight.
Waves around 2 ft or less.
.THU...E wind 5 to 10 kt. Waves around 2 ft or less.
.THU NIGHT...E wind around 5 kt. Waves around 2 ft or less.
.FRI...NE wind around 5 kt. Waves around 2 ft or less.
.FRI NIGHT...N wind around 5 kt, veering to E after midnight.
Waves around 2 ft or less.
.SAT...E wind 5 to 10 kt. Waves around 2 ft or less.
.SAT NIGHT...E wind 5 to 10 kt. Waves around 2 ft or less.
.SUN...E wind 5 to 10 kt, easing to around 5 kt in the afternoon.
Waves around 2 ft or less.
.SUN NIGHT...NW wind around 5 kt, backing to W after midnight.
Waves around 2 ft or less.

$$

PZZ132-302245-
East Entrance U.S. Waters Strait Of Juan De Fuca-
234 AM PDT Wed Sep 30 2026

.TODAY...NW wind 5 to 10 kt, becoming around 5 kt this afternoon.
Waves around 2 ft or less. Patchy dense fog early this morning.
.TONIGHT...NW wind around 5 kt. Waves around 2 ft or less.
.THU...NW wind around 5 kt. Waves around 2 ft or less.
.THU NIGHT...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. Waves around 2 ft or less.
.SAT...NW wind around 5 kt. Waves around 2 ft or less.
.SAT NIGHT...NW wind around 5 kt. Waves around 2 ft or less.
.SUN...NW wind around 5 kt. Waves around 2 ft or less.
.SUN NIGHT...W wind around 5 kt in the evening, becoming light
and variable. Waves around 2 ft or less.

$$

PZZ134-302245-
Admiralty Inlet-
234 AM PDT Wed Sep 30 2026

.TODAY...NW wind around 5 kt, rising to 5 to 10 kt this
afternoon. Waves around 2 ft or less. Patchy dense fog early this
morning.
.TONIGHT...NW wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
.THU...NW wind around 5 kt. Waves around 2 ft or less.
.THU NIGHT...NW wind around 5 kt. 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 5 to 10 kt. Waves around 2 ft or less.
.SAT...NW wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. Waves around 2 ft or less.
.SAT NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.
.SUN...NW wind 5 to 10 kt. Waves around 2 ft or less.
.SUN NIGHT...NW wind around 5 kt in the evening, becoming light
and variable. Waves around 2 ft or less.

$$

PZZ133-302245-
Northern Inland Waters Including The San Juan Islands-
234 AM PDT Wed Sep 30 2026

.TODAY...NW wind around 5 kt. Waves around 2 ft or less. Patchy
dense fog early this morning.
.TONIGHT...NW wind around 5 kt. Waves around 2 ft or less.
.THU...N wind around 5 kt. Waves around 2 ft or less.
.THU NIGHT...N wind around 5 kt in the evening, becoming light
and variable. Waves around 2 ft or less. A chance of rain after
midnight.
.FRI...NW wind around 5 kt. Waves around 2 ft or less.
.FRI NIGHT...NW wind around 5 kt. Waves around 2 ft or less.
.SAT...N wind around 5 kt, backing to NW in the afternoon. Waves
around 2 ft or less.
.SAT NIGHT...NW wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
.SUN...NW wind around 5 kt. Waves around 2 ft or less.
.SUN NIGHT...NW wind around 5 kt in the evening, becoming light
and variable. Waves around 2 ft or less.

$$

PZZ135-302245-
Puget Sound and Hood Canal-
234 AM PDT Wed Sep 30 2026

.TODAY...N wind around 5 kt, rising to 5 to 10 kt this afternoon.
Waves around 2 ft or less. Patchy fog early this morning.
.TONIGHT...N wind around 5 kt. Waves around 2 ft or less.
.THU...N wind around 5 kt. Waves around 2 ft or less.
.THU NIGHT...N wind around 5 kt. Waves around 2 ft or less.
.FRI...N wind around 5 kt. Waves around 2 ft or less.
.FRI NIGHT...N wind 5 to 10 kt. Waves around 2 ft or less.
.SAT...N wind 5 to 10 kt. Waves around 2 ft or less.
.SAT NIGHT...N wind 5 to 10 kt. Waves around 2 ft or less.
.SUN...N wind around 5 kt. Waves around 2 ft or less.
.SUN NIGHT...N wind around 5 kt in the evening, becoming light
and variable. Waves around 2 ft or less.

$$

PZZ110-302245-
Grays Harbor Bar-
234 AM PDT Wed Sep 30 2026

Combined seas 6 to 8 ft, subsiding to 4 to 6 ft Wednesday. Bar
conditions moderate, becoming light. Maximum ebb currents will
occur around 715 AM Wednesday, 745 PM Wednesday, and 815 AM
Thursday. The Wednesday evening ebb will be strong.

$$