335
FZUS56 KSEW 182029
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
129 PM PDT Fri Sep 18 2026

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

PZZ100-190930-
129 PM PDT Fri Sep 18 2026

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND
INLAND WATERS...Onshore flow will persist into next week as a
series of systems pass well north of the area. The onshore flow
will increase somewhat early next week.

$$

PZZ150-190930-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
129 PM PDT Fri Sep 18 2026

.TONIGHT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 9 seconds.
.SAT...S wind around 5 kt, veering to W in the afternoon. Seas
around 3 ft. Wave Detail: W 3 ft at 8 seconds.
.SAT NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 7 seconds.
.SUN...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at
10 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W
5 ft at 9 seconds and SW 2 ft at 18 seconds.
.MON...W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at
13 seconds and W 6 ft at 18 seconds.
.MON NIGHT...NW wind 5 to 10 kt. Seas 7 to 8 ft. Wave Detail: W
8 ft at 13 seconds and SW 2 ft at 18 seconds.
.TUE...NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at
12 seconds and SW 2 ft at 17 seconds.
.TUE NIGHT...W wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W
6 ft at 11 seconds and SW 2 ft at 17 seconds.
.WED...N wind around 5 kt, backing to NW in the afternoon. Seas
5 to 7 ft. Wave Detail: W 6 ft at 11 seconds and SW 2 ft at
16 seconds.
.WED NIGHT...N wind around 5 kt. Seas 6 to 7 ft. Wave Detail: W
6 ft at 10 seconds and SW 2 ft at 16 seconds.

$$

PZZ153-190930-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
129 PM PDT Fri Sep 18 2026

.TONIGHT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 8 seconds.
.SAT...SW wind around 5 kt, veering to W in the afternoon. Seas
around 3 ft. Wave Detail: W 3 ft at 8 seconds.
.SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 6 seconds.
.SUN...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft
at 6 seconds.
.SUN NIGHT...NW wind 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds.
.MON...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at
13 seconds and W 6 ft at 16 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: W
8 ft at 13 seconds and SW 4 ft at 17 seconds.
.TUE...NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at
12 seconds and SW 2 ft at 17 seconds.
.TUE NIGHT...NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W
6 ft at 11 seconds and SW 2 ft at 17 seconds.
.WED...NE wind around 5 kt, backing to NW around 5 kt in the
afternoon. Seas 5 to 6 ft. Wave Detail: W 6 ft at 11 seconds and
SW 2 ft at 16 seconds.
.WED NIGHT...N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W
6 ft at 11 seconds and SW 2 ft at 16 seconds.

$$

PZZ156-190930-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
129 PM PDT Fri Sep 18 2026

.TONIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 8 seconds.
.SAT...N wind around 5 kt, backing to NW in the afternoon. Seas
around 3 ft. Wave Detail: NW 3 ft at 8 seconds.
.SAT NIGHT...NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 6 seconds.
.SUN...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 6 seconds.
.SUN NIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 6 seconds.
.MON...NW wind 10 to 15 kt. Seas 4 to 5 ft, building to 5 to 7 ft
in the afternoon. Wave Detail: NW 6 ft at 8 seconds and W 6 ft at
16 seconds.
.MON NIGHT...NW wind 15 to 20 kt. Seas 6 to 9 ft, building to
8 to 10 ft after midnight. Wave Detail: NW 9 ft at 12 seconds and
SW 2 ft at 17 seconds.
.TUE...NW wind 10 to 15 kt. Seas 6 to 9 ft. Wave Detail: W 8 ft
at 12 seconds and SW 2 ft at 17 seconds.
.TUE NIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 11 seconds and
SW 2 ft at 17 seconds.
.WED...N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at
11 seconds and SW 2 ft at 16 seconds.
.WED NIGHT...N wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: W
7 ft at 11 seconds and SW 2 ft at 16 seconds.

$$

PZZ170-190930-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
129 PM PDT Fri Sep 18 2026

.TONIGHT...W wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft
at 9 seconds and S 2 ft at 16 seconds.
.SAT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
8 seconds and S 2 ft at 16 seconds.
.SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W
4 ft at 5 seconds and S 2 ft at 16 seconds.
.SUN...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft
at 8 seconds and SW 2 ft at 16 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W
5 ft at 8 seconds and SW 2 ft at 16 seconds.
.MON...NW wind 5 to 10 kt. Seas 4 to 5 ft, building to 5 to 8 ft
in the afternoon. Wave Detail: NW 8 ft at 14 seconds and SW 6 ft
at 18 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 8 to 9 ft. Wave Detail: W
8 ft at 13 seconds and SW 2 ft at 18 seconds.
.TUE...NW wind 5 to 10 kt. Seas 6 to 9 ft. Wave Detail: W 8 ft at
12 seconds and SW 2 ft at 17 seconds.
.TUE NIGHT...W wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: W
6 ft at 11 seconds and SW 2 ft at 17 seconds.
.WED...NW wind around 5 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft
at 11 seconds and SW 2 ft at 16 seconds.
.WED NIGHT...NW wind 5 to 10 kt, veering to N after midnight.
Seas 7 to 8 ft. Wave Detail: W 7 ft at 10 seconds and SW 2 ft at
16 seconds. A chance of rain after midnight.

$$

PZZ173-190930-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
129 PM PDT Fri Sep 18 2026

.TONIGHT...W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 9 seconds and S 2 ft at 17 seconds.
.SAT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft
at 8 seconds and S 2 ft at 16 seconds.
.SAT NIGHT...NW wind around 10 kt. Seas 3 to 5 ft. Wave Detail:
NW 4 ft at 5 seconds and S 2 ft at 16 seconds.
.SUN...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 7 seconds and SW 2 ft at 16 seconds.
.SUN NIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and
SW 2 ft at 16 seconds.
.MON...NW wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft, building to 5 to 8 ft in the
afternoon. Wave Detail: NW 8 ft at 13 seconds and SW 6 ft at
18 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 7 to 10 ft. Wave Detail:
NW 9 ft at 12 seconds and SW 2 ft at 18 seconds.
.TUE...NW wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: NW 9 ft
at 11 seconds and SW 2 ft at 17 seconds.
.TUE NIGHT...NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: NW
7 ft at 10 seconds and SW 2 ft at 17 seconds.
.WED...N wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: W 7 ft at
11 seconds and SW 2 ft at 16 seconds.
.WED NIGHT...N wind around 10 kt. Seas 7 to 8 ft. Wave Detail: NW
7 ft at 10 seconds and SW 2 ft at 16 seconds.

$$

PZZ176-190930-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
129 PM PDT Fri Sep 18 2026

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

$$

PZZ130-190930-
West Entrance U.S. Waters Strait Of Juan De Fuca-
129 PM PDT Fri Sep 18 2026

.TONIGHT...NW wind 5 to 10 kt, easing to around 5 kt late this
evening and overnight. Seas around 3 ft. Wave Detail: NW 3 ft at
9 seconds.
.SAT...NW wind around 5 kt, rising to 5 to 10 kt in the
afternoon. Seas around 2 ft or less. Wave Detail: W 2 ft at
8 seconds.
.SAT NIGHT...W wind 5 to 10 kt. Seas around 2 ft or less. Wave
Detail: NW 2 ft at 6 seconds.
.SUN...W wind 5 to 10 kt. Seas around 2 ft or less, then around
3 ft in the afternoon. Wave Detail: W 3 ft at 10 seconds.
.SUN NIGHT...W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 9 seconds.
.MON...W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at
11 seconds and W 4 ft at 14 seconds.
.MON NIGHT...W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 12 seconds.
.TUE...W wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Seas 3 to 5 ft. Wave Detail: W 5 ft at 12 seconds.
.TUE NIGHT...W wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W
5 ft at 11 seconds.
.WED...S wind around 5 kt, veering to W in the afternoon. Seas
3 to 5 ft. Wave Detail: W 5 ft at 10 seconds.
.WED NIGHT...NW wind around 5 kt, veering to E after midnight.
Seas 3 to 5 ft. Wave Detail: W 5 ft at 10 seconds.

$$

PZZ131-190930-
Central U.S. Waters Strait Of Juan De Fuca-
129 PM PDT Fri Sep 18 2026

.TONIGHT...W wind 5 to 10 kt, rising to 10 to 15 kt late this
evening, easing to 5 to 10 kt after midnight. Waves around 2 ft
or less.
.SAT...W wind 5 to 10 kt. Waves around 2 ft or less.
.SAT NIGHT...W wind around 10 kt. Waves around 2 ft or less.
.SUN...W wind 5 to 10 kt. Waves around 2 ft or less.
.SUN NIGHT...W wind 10 to 15 kt. Waves around 2 ft or less, then
around 3 ft after midnight.
.MON...W wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Waves around 3 ft.
.MON NIGHT...W wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Waves 3 to 4 ft.
.TUE...W wind 10 to 15 kt. Waves around 3 ft.
.TUE NIGHT...W wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Waves 3 to 4 ft.
.WED...SW wind 5 to 10 kt, veering to NW in the afternoon. Waves
around 3 ft.
.WED NIGHT...W wind 5 to 10 kt, backing to SW after midnight.
Waves around 3 ft.

$$

PZZ132-190930-
East Entrance U.S. Waters Strait Of Juan De Fuca-
129 PM PDT Fri Sep 18 2026

.TONIGHT...W wind around 5 kt, backing to SW late this evening
and overnight. Waves around 2 ft or less.
.SAT...SW wind around 5 kt. Waves around 2 ft or less.
.SAT NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.SUN...W wind 5 to 10 kt. Waves around 2 ft or less.
.SUN NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less.
.MON...SW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Waves around 2 ft or less.
.MON NIGHT...W wind 10 to 15 kt. Waves around 3 ft.
.TUE...W wind 5 to 10 kt. Waves around 3 ft in the morning, then
around 2 ft or less.
.TUE NIGHT...W wind 10 to 15 kt. Waves around 3 ft.
.WED...SW wind 5 to 10 kt. Waves around 2 ft or less.
.WED NIGHT...W wind around 5 kt. Waves around 2 ft or less.

$$

PZZ134-190930-
Admiralty Inlet-
129 PM PDT Fri Sep 18 2026

.TONIGHT...NW wind around 5 kt, backing to S late. Waves around
2 ft or less.
.SAT...SE wind around 5 kt, backing to NW around 5 kt in the
afternoon. 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, rising to 5 to 10 kt in the
afternoon. Waves around 2 ft or less.
.SUN NIGHT...NW wind 5 to 10 kt, becoming W after midnight. Waves
around 2 ft or less.
.MON...S wind around 5 kt, veering to NW around 5 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 5 to 10 kt, becoming W after midnight. Waves
around 2 ft or less.
.WED...S wind around 5 kt, veering to N around 5 kt in the
afternoon. Waves around 2 ft or less.
.WED NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less.

$$

PZZ133-190930-
Northern Inland Waters Including The San Juan Islands-
129 PM PDT Fri Sep 18 2026

.TONIGHT...S 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 around 5 kt, backing to SE after midnight.
Waves around 2 ft or less.
.SUN...Light and variable winds, becoming W around 5 kt in the
afternoon. Waves around 2 ft or less.
.SUN NIGHT...W wind around 5 kt, backing to S after midnight.
Waves around 2 ft or less.
.MON...S wind around 5 kt. Waves around 2 ft or less.
.MON NIGHT...SW wind around 5 kt. Waves around 2 ft or less.
.TUE...SW wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...S wind around 5 kt. Waves around 2 ft or less.
.WED...S wind around 5 kt. Waves around 2 ft or less.
.WED NIGHT...W wind around 5 kt, veering to N after midnight.
Waves around 2 ft or less.

$$

PZZ135-190930-
Puget Sound and Hood Canal-
129 PM PDT Fri Sep 18 2026

.TONIGHT...SW wind around 5 kt until early morning, becoming
light and variable. Waves around 2 ft or less.
.SAT...S wind around 5 kt, veering to W in the afternoon. Waves
around 2 ft or less.
.SAT NIGHT...N wind around 5 kt. Waves around 2 ft or less.
.SUN...Light and variable winds, becoming N around 5 kt in the
afternoon. Waves around 2 ft or less.
.SUN NIGHT...N wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
.MON...Light and variable winds, becoming SW around 5 kt in the
afternoon. Waves around 2 ft or less.
.MON NIGHT...N wind around 5 kt. Waves around 2 ft or less.
.TUE...Light and variable winds, becoming NW around 5 kt in the
afternoon. Waves around 2 ft or less.
.TUE NIGHT...N wind around 5 kt. Waves around 2 ft or less.
.WED...S wind around 5 kt, backing to N in the afternoon. Waves
around 2 ft or less.
.WED NIGHT...N wind around 5 kt. Waves around 2 ft or less.

$$

PZZ110-190930-
Grays Harbor Bar-
129 PM PDT Fri Sep 18 2026

Combined seas 4 or 5 ft. Bar conditions light. Maximum ebb
currents will occur around 1045 PM Friday, 1130 AM Saturday, and
1200 AM Sunday.

$$