248
FZUS56 KSEW 230928
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
228 AM PDT Sat Aug 23 2025

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

PZZ100-232230-
228 AM PDT Sat Aug 23 2025

.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND
WATERS...A thermally induced surface low continues to expand
northwards along the coast. Northerly flow will continue into
early next week. The thermal trough will slowly shift inland the
middle of next week for a return towards onshore flow late week.

$$

PZZ150-232230-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
228 AM PDT Sat Aug 23 2025

.TODAY...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft
at 7 seconds.
.TONIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 7 seconds.
.SUN...NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft
at 8 seconds.
.SUN NIGHT...NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W
5 ft at 8 seconds.
.MON...SW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft
at 8 seconds.
.MON NIGHT...NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W
4 ft at 8 seconds.
.TUE...W wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at
8 seconds.
.TUE NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 8 seconds.
.WED...SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft
at 7 seconds.
.WED NIGHT...SW wind around 5 kt. Seas around 3 ft. Wave Detail:
W 3 ft at 7 seconds.

$$

PZZ153-232230-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
228 AM PDT Sat Aug 23 2025

.TODAY...NW wind 5 to 10 kt, rising to 10 to 15 kt late. Seas 3
to 4 ft. Wave Detail: W 4 ft at 7 seconds.
.TONIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds.
.SUN...NW wind around 5 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft
at 8 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W
5 ft at 8 seconds.
.MON...W wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at
8 seconds.
.MON NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W
4 ft at 8 seconds.
.TUE...NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 8 seconds.
.TUE NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 8 seconds.
.WED...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft
at 7 seconds.
.WED NIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail:
NW 3 ft at 7 seconds.

$$

PZZ156-232230-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
228 AM PDT Sat Aug 23 2025

.TODAY...N wind 5 to 10 kt, becoming NW 10 to 15 kt late. Seas
3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds.
.TONIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds.
.SUN...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at
8 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 8 seconds.
.MON...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 8 seconds.
.MON NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 8 seconds.
.TUE...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 8 seconds.
.TUE NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 8 seconds.
.WED...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft
at 7 seconds.
.WED NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 7 seconds.

$$

PZZ170-232230-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
228 AM PDT Sat Aug 23 2025

.TODAY...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 7 seconds and SW 2 ft at 14 seconds.
.TONIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 15 seconds.
.SUN...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft
at 8 seconds and SW 2 ft at 15 seconds.
.SUN NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
6 ft at 8 seconds and SW 2 ft at 15 seconds.
.MON...NW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
6 ft at 8 seconds.
.TUE...NW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 8 seconds.
.TUE 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 8 seconds and
SW 2 ft at 17 seconds.
.WED...W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at
7 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 7 seconds and S 2 ft at 15 seconds.

$$

PZZ173-232230-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
228 AM PDT Sat Aug 23 2025

.TODAY...NW wind 10 to 15 kt, rising to 15 to 20 kt late. Seas
4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at
14 seconds.
.TONIGHT...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 7 seconds and
SW 2 ft at 15 seconds.
.SUN...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 8 seconds and SW 2 ft at 15 seconds.
.SUN NIGHT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW
6 ft at 7 seconds and SW 2 ft at 15 seconds.
.MON...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft
at 8 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW
6 ft at 8 seconds.
.TUE...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft
at 8 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 8 seconds and SW 2 ft at 17 seconds.
.WED...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 7 seconds and S 2 ft at 15 seconds.
.WED NIGHT...W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 7 seconds and S 2 ft at 17 seconds.

$$

PZZ176-232230-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
228 AM PDT Sat Aug 23 2025

.TODAY...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 14 seconds.
.TONIGHT...NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 7 seconds and SW 2 ft at 15 seconds.
.SUN...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 8 seconds and SW 2 ft at 15 seconds.
.SUN NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
6 ft at 8 seconds and SW 2 ft at 15 seconds.
.MON...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft
at 8 seconds.
.MON NIGHT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW
6 ft at 8 seconds.
.TUE...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 8 seconds and SW 2 ft at 19 seconds.
.TUE NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 8 seconds and SW 2 ft at 18 seconds.
.WED...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft
at 7 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 7 seconds and SW 2 ft at 17 seconds.

$$

PZZ130-232230-
West Entrance U.S. Waters Strait Of Juan De Fuca-
228 AM PDT Sat Aug 23 2025

.TODAY...E wind 5 to 10 kt, backing to N late. Seas around 3 ft.
Wave Detail: W 3 ft at 7 seconds.
.TONIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W
3 ft at 7 seconds.
.SUN...NE wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft
at 8 seconds.
.SUN NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 8 seconds.
.MON...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at
8 seconds.
.MON NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 8 seconds.
.TUE...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
8 seconds.
.TUE NIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W
3 ft at 8 seconds.
.WED...W wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft
at 7 seconds.
.WED NIGHT...W wind around 5 kt. Seas around 3 ft in the evening,
then around 2 ft or less. Wave Detail: W 2 ft at 7 seconds.

$$

PZZ131-232230-
Central U.S. Waters Strait Of Juan De Fuca-
228 AM PDT Sat Aug 23 2025

.TODAY...E wind 5 to 10 kt. Waves around 2 ft or less.
.TONIGHT...W wind around 5 kt. Waves around 2 ft or less.
.SUN...E wind around 5 kt. Waves around 2 ft or less.
.SUN NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.MON...W wind around 5 kt, veering to N in the afternoon. Waves
around 2 ft or less.
.MON NIGHT...W 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...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.

$$

PZZ132-232230-
East Entrance U.S. Waters Strait Of Juan De Fuca-
228 AM PDT Sat Aug 23 2025

.TODAY...NW wind 5 to 10 kt. Waves around 2 ft or less.
.TONIGHT...W 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...W wind around 5 kt. Waves around 2 ft or less.
.MON...NW wind around 5 kt. Waves around 2 ft or less.
.MON NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.TUE...NW 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.

$$

PZZ134-232230-
Admiralty Inlet-
228 AM PDT Sat Aug 23 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.
.SUN...NW wind 5 to 10 kt. Waves around 2 ft or less.
.SUN NIGHT...NW wind 5 to 10 kt, easing to around 5 kt after
midnight. Waves around 2 ft or less.
.MON...NW wind around 5 kt, rising to 5 to 10 kt in the
afternoon. Waves around 2 ft or less.
.MON NIGHT...NW wind 5 to 10 kt, easing to around 5 kt after
midnight. 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, easing to around 5 kt after
midnight. Waves around 2 ft or less.
.WED...SW wind around 5 kt, veering to NW around 5 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.

$$

PZZ133-232230-
Northern Inland Waters Including The San Juan Islands-
228 AM PDT Sat Aug 23 2025

.TODAY...NW wind 5 to 10 kt. Waves around 2 ft or less.
.TONIGHT...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...W wind around 5 kt. Waves around 2 ft or less.
.MON...NW wind around 5 kt. Waves around 2 ft or less.
.MON NIGHT...W wind around 5 kt. Waves around 2 ft or less.
.TUE...NW wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...SW wind around 5 kt. Waves around 2 ft or less.
.WED...S wind around 5 kt. Waves around 2 ft or less.
.WED NIGHT...SW wind around 5 kt. Waves around 2 ft or less.

$$

PZZ135-232230-
Puget Sound and Hood Canal-
228 AM PDT Sat Aug 23 2025

.TODAY...N wind 5 to 15 kt. Waves around 2 ft or less.
.TONIGHT...NE wind 5 to 10 kt, becoming N after midnight. Waves
around 2 ft or less.
.SUN...N wind around 5 kt, rising to 5 to 10 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...N wind around 5 kt. Waves around 2 ft or less.
.MON NIGHT...N wind around 5 kt. Waves around 2 ft or less.
.TUE...N wind around 5 kt. Waves around 2 ft or less.
.TUE NIGHT...NW wind around 5 kt. Waves around 2 ft or less.
.WED...SW wind around 5 kt. Waves around 2 ft or less.
.WED NIGHT...NW wind around 5 kt, backing to SW around 5 kt after
midnight. Waves around 2 ft or less.

$$

PZZ110-232230-
Grays Harbor Bar-
228 AM PDT Sat Aug 23 2025

Combined seas 2 to 4 ft. Bar conditions light. Maximum ebb
currents will occur around 515 AM and 545 PM Saturday, and 545 AM
Sunday. The Saturday and Sunday morning ebbs will be strong.

$$