


Coastal Waters Forecast
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
176 FZUS56 KSEW 202112 CWFSEW Coastal Waters Forecast for Washington National Weather Service Seattle WA 212 PM PDT Wed Aug 20 2025 Inland waters of western Washington and the northern and central Washington coastal waters including the Olympic Coast National Marine Sanctuary PZZ100-211015- 212 PM PDT Wed Aug 20 2025 .SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...A surface ridge building into the coastal and offshore waters today will remain in place into late this week, but will weaken as thermally induced low pressure expands northward along the coast Thursday into the beginning of the weekend. The thermal trough will shift inland by Sunday. $$ PZZ150-211015- Coastal Waters From Cape Flattery To James Island Out 10 Nm- 212 PM PDT Wed Aug 20 2025 .TONIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds and SW 2 ft at 15 seconds. .THU...N wind around 5 kt, rising to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds and SW 2 ft at 15 seconds. .FRI...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds. .FRI NIGHT...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds. .SAT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 7 seconds. .SAT NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 7 seconds. .SUN...NW wind around 5 kt. Seas around 5 ft. Wave Detail: W 5 ft at 8 seconds. .SUN NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 8 seconds. .MON...W wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 8 seconds. .MON NIGHT...NW wind around 5 kt. Seas around 4 ft. $$ PZZ153-211015- Coastal Waters From James Island To Point Grenville Out 10 Nm- 212 PM PDT Wed Aug 20 2025 .TONIGHT...N wind 10 to 15 kt, easing to 5 to 10 kt late. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds. .THU...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds. .THU 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 6 seconds and W 3 ft at 9 seconds. .FRI...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds. .FRI NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds. .SAT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 7 seconds. .SAT NIGHT...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 7 seconds. .SUN...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 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...NW 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 around 4 ft. $$ PZZ156-211015- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- 212 PM PDT Wed Aug 20 2025 .TONIGHT...N wind 15 to 20 kt, easing to 5 to 10 kt late. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds. .THU...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 8 seconds. .THU NIGHT...N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and W 3 ft at 10 seconds. .FRI...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds. .FRI NIGHT...NW wind 10 to 15 kt. Seas 3 to 5 ft, building to 5 to 6 ft after midnight. Wave Detail: NW 6 ft at 7 seconds. .SAT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 7 seconds. .SAT NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds. .SUN...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds. .SUN NIGHT...NW wind around 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds. .MON...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds. .MON NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. $$ PZZ170-211015- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 212 PM PDT Wed Aug 20 2025 .TONIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 15 seconds. .THU...N 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. .THU NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 5 seconds, W 3 ft at 9 seconds and SW 2 ft at 15 seconds. .FRI...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 6 seconds, W 3 ft at 9 seconds and SW 2 ft at 15 seconds. .FRI NIGHT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and SW 2 ft at 15 seconds. .SAT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 8 seconds and SW 2 ft at 14 seconds. .SAT NIGHT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 15 seconds. .SUN...NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 15 seconds. .SUN NIGHT...NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 16 seconds. .MON...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 15 seconds. .MON NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. $$ PZZ173-211015- Coastal Waters From James Island To Point Grenville 10 To 60 Nm- 212 PM PDT Wed Aug 20 2025 .TONIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 15 seconds. .THU...N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and SW 2 ft at 15 seconds. .FRI...N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 6 seconds, W 2 ft at 9 seconds and SW 2 ft at 15 seconds. .FRI NIGHT...NW wind around 15 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 15 seconds. .SAT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 14 seconds. .SAT NIGHT...NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 15 seconds. .SUN...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 8 seconds and SW 2 ft at 15 seconds. .SUN NIGHT...NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 7 seconds and SW 2 ft at 16 seconds. .MON...NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 8 seconds and SW 2 ft at 15 seconds. .MON NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. $$ PZZ176-211015- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 212 PM PDT Wed Aug 20 2025 .TONIGHT...N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 15 seconds. .THU...N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind around 15 kt. Seas 5 to 7 ft. Wave Detail: N 7 ft at 6 seconds, W 2 ft at 10 seconds and SW 2 ft at 15 seconds. .FRI...N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and SW 2 ft at 15 seconds. .FRI NIGHT...NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 7 seconds, W 3 ft at 8 seconds and SW 2 ft at 14 seconds. .SAT...NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 14 seconds. .SAT NIGHT...NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 8 seconds and SW 2 ft at 15 seconds. .SUN...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 15 seconds. .SUN NIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 8 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 8 seconds and SW 2 ft at 15 seconds. .MON NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. $$ PZZ130-211015- West Entrance U.S. Waters Strait Of Juan De Fuca- 212 PM PDT Wed Aug 20 2025 .TONIGHT...W wind 10 to 15 kt, becoming NW around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds. .THU...NE wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds. .THU NIGHT...NW wind around 5 kt, veering to N around 5 kt after midnight. Seas around 3 ft. Wave Detail: W 2 ft at 7 seconds. .FRI...NE wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 6 seconds. .FRI NIGHT...NW wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds. .SAT...NE wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 seconds. .SAT NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds. .SUN...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds. .SUN NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds. .MON...SW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds. .MON NIGHT...W wind around 5 kt. Seas 3 to 4 ft. $$ PZZ131-211015- Central U.S. Waters Strait Of Juan De Fuca- 212 PM PDT Wed Aug 20 2025 .TONIGHT...W wind 15 to 20 kt, easing to 5 to 10 kt. Waves around 2 ft or less. .THU...N wind around 5 kt. Waves around 2 ft or less. .THU NIGHT...W wind around 5 kt. Waves around 2 ft or less. .FRI...NE wind 5 to 10 kt. Waves around 2 ft or less. .FRI NIGHT...NW wind 5 to 10 kt, backing to W after midnight. Waves around 2 ft or less. .SAT...E wind 5 to 10 kt. Waves around 2 ft or less. .SAT NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. .SUN...E wind 5 to 10 kt, backing to NE in the afternoon. Waves around 2 ft or less. .SUN NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. .MON...W wind 5 to 10 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. $$ PZZ132-211015- East Entrance U.S. Waters Strait Of Juan De Fuca- 212 PM PDT Wed Aug 20 2025 .TONIGHT...W wind 15 to 20 kt, easing to 5 to 10 kt. Waves around 2 ft or less. .THU...NW wind 5 to 10 kt. Waves around 2 ft or less. .THU NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. .FRI...NW wind 5 to 10 kt. Waves around 2 ft or less. .FRI NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less. .SAT...NW wind 5 to 10 kt. Waves around 2 ft or less. .SAT NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. .SUN...NW wind 5 to 10 kt. Waves around 2 ft or less. .SUN NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. .MON...NW wind around 5 kt. Waves around 2 ft or less. .MON NIGHT...W wind around 5 kt. Waves around 2 ft or less. $$ PZZ134-211015- Admiralty Inlet- 212 PM PDT Wed Aug 20 2025 .TONIGHT...NW wind 10 to 15 kt, easing to around 5 kt late. Waves around 2 ft or less. .THU...NW wind 5 to 10 kt. Waves around 2 ft or less. .THU NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less. .FRI...NW wind around 5 kt, rising to around 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. Waves around 2 ft or less. .SAT NIGHT...NW wind 5 to 10 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, 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. $$ PZZ133-211015- Northern Inland Waters Including The San Juan Islands- 212 PM PDT Wed Aug 20 2025 .TONIGHT...S wind 5 to 10 kt, becoming SE after midnight, backing to NW late. Waves around 2 ft or less. .THU...NW wind around 5 kt, rising to 5 to 10 kt in the afternoon. Waves around 2 ft or less. .THU NIGHT...NW wind 5 to 10 kt, easing to around 5 kt after midnight. Waves around 2 ft or less. .FRI...N wind around 5 kt, backing to NW in the afternoon. Waves around 2 ft or less. .FRI NIGHT...NW wind 5 to 10 kt, easing to around 5 kt after midnight. Waves around 2 ft or less. .SAT...NW wind around 5 kt. Waves around 2 ft or less. .SAT NIGHT...NW wind 5 to 10 kt, easing to around 5 kt after midnight. Waves around 2 ft or less. .SUN...NW wind around 5 kt. Waves around 2 ft or less. .SUN NIGHT...W wind around 5 kt. Waves around 2 ft or less. .MON...NW wind around 5 kt. Waves around 2 ft or less. .MON NIGHT...SW wind around 5 kt. Waves around 2 ft or less. $$ PZZ135-211015- Puget Sound and Hood Canal- 212 PM PDT Wed Aug 20 2025 .TONIGHT...N wind 5 to 10 kt. Waves around 2 ft or less. .THU...N wind 5 to 10 kt. Waves around 2 ft or less. .THU NIGHT...N wind 5 to 10 kt. Waves around 2 ft or less. .FRI...N wind 5 to 10 kt. Waves around 2 ft or less. .FRI NIGHT...N wind 5 to 10 kt. Waves around 2 ft or less. .SAT...N wind around 5 kt, rising to 5 to 10 kt in the afternoon. Waves around 2 ft or less. .SAT NIGHT...N wind 5 to 10 kt, easing to around 5 kt after midnight. Waves around 2 ft or less. .SUN...N wind around 5 kt. Waves around 2 ft or less. .SUN NIGHT...N wind 5 to 10 kt, becoming NW after midnight. Waves around 2 ft or less. .MON...NW wind around 5 kt. Waves around 2 ft or less. .MON NIGHT...NW wind around 5 kt. Waves around 2 ft or less. $$ PZZ110-211015- Grays Harbor Bar- 212 PM PDT Wed Aug 20 2025 Combined seas 3 to 4 ft. Bar conditions light. Maximum ebb currents will occur around 330 PM Wednesday, 345 AM and 415 PM Thursday. The Wednesday and Thursday morning ebb will be strong. $$