


Coastal Waters Forecast
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
830 FZUS56 KSEW 200435 CWFSEW Coastal Waters Forecast for Washington National Weather Service Seattle WA 935 PM PDT Tue Aug 19 2025 Inland waters of western Washington and the northern and central Washington coastal waters including the Olympic Coast National Marine Sanctuary PZZ100-201745- 935 PM PDT Tue Aug 19 2025 .SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND WATERS...A weak front will dissipate as it moves onshore this evening. Surface high pressure will rebuild in its wake over the coastal and offshore waters tonight into Wednesday. Thermally induced low pressure will expand northward along the coast Thursday into Friday before shifting into the interior late in the weekend. $$ PZZ150-201745- Coastal Waters From Cape Flattery To James Island Out 10 Nm- 935 PM PDT Tue Aug 19 2025 .TONIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft at 3 seconds, S 2 ft at 5 seconds and W 3 ft at 9 seconds. .WED...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft at 8 seconds. .WED NIGHT...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 2 ft at 4 seconds and W 3 ft at 8 seconds. .THU...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 3 ft at 5 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 3 ft at 5 seconds and SW 2 ft at 15 seconds. .FRI...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds. .FRI NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds. .SAT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds. .SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds. .SUN...NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 8 seconds. .SUN NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 7 seconds. $$ PZZ153-201745- Coastal Waters From James Island To Point Grenville Out 10 Nm- 935 PM PDT Tue Aug 19 2025 .TONIGHT...NW wind 5 to 10 kt, veering to N late. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and W 4 ft at 9 seconds. .WED...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 2 ft at 5 seconds and W 3 ft at 8 seconds. .WED NIGHT...N wind around 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds. .THU...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds. .THU NIGHT...NW wind 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds. .FRI...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 3 ft at 5 seconds. .FRI NIGHT...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 2 ft at 4 seconds and NW 4 ft at 7 seconds. .SAT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds. .SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft at 4 seconds and W 4 ft at 7 seconds. .SUN...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 6 seconds. .SUN NIGHT...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 6 seconds. $$ PZZ156-201745- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- 935 PM PDT Tue Aug 19 2025 .TONIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and W 4 ft at 9 seconds. .WED...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft at 5 seconds and NW 4 ft at 8 seconds. .WED NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and NW 4 ft at 8 seconds. .THU...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds. .THU NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds. .FRI...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft at 4 seconds and NW 4 ft at 7 seconds. .FRI NIGHT...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and NW 4 ft at 7 seconds. .SAT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds. .SAT NIGHT...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds. .SUN...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 6 seconds. .SUN NIGHT...NW wind around 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds. $$ PZZ170-201745- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 935 PM PDT Tue Aug 19 2025 .TONIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds, SE 2 ft at 4 seconds and W 4 ft at 9 seconds. .WED...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 4 seconds, W 4 ft at 8 seconds and SW 2 ft at 15 seconds. .WED NIGHT...NW wind around 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds, NW 4 ft at 8 seconds and SW 2 ft at 15 seconds. .THU...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds and SW 2 ft at 15 seconds. .THU NIGHT...NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds, W 4 ft at 9 seconds and SW 2 ft at 15 seconds. .FRI...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 seconds and SW 2 ft at 15 seconds. .FRI NIGHT...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. .SAT...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. .SAT NIGHT...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 14 seconds. .SUN...NW 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. .SUN NIGHT...NW 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. $$ PZZ173-201745- Coastal Waters From James Island To Point Grenville 10 To 60 Nm- 935 PM PDT Tue Aug 19 2025 .TONIGHT...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: NW 4 ft at 4 seconds, W 4 ft at 9 seconds and SW 2 ft at 15 seconds. .WED...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: N 4 ft at 5 seconds, W 4 ft at 8 seconds and SW 2 ft at 15 seconds. .WED NIGHT...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail: NW 4 ft at 6 seconds and SW 2 ft at 15 seconds. .THU...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail: NW 4 ft at 6 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at 15 seconds. .FRI...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at 15 seconds. .FRI NIGHT...NW wind around 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at 14 seconds. .SAT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 14 seconds. .SAT NIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 15 seconds. .SUN...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and SW 2 ft at 15 seconds. .SUN NIGHT...NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and SW 2 ft at 15 seconds. $$ PZZ176-201745- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 935 PM PDT Tue Aug 19 2025 .TONIGHT...NW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: NW 4 ft at 3 seconds, W 4 ft at 9 seconds and SW 2 ft at 15 seconds. .WED...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail: N 4 ft at 5 seconds, NW 4 ft at 8 seconds and SW 2 ft at 15 seconds. .WED NIGHT...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail: N 4 ft at 5 seconds, NW 4 ft at 8 seconds and SW 2 ft at 15 seconds. .THU...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail: NW 4 ft at 7 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind around 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 15 seconds. .FRI...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 5 ft at 6 seconds, W 4 ft at 9 seconds and SW 2 ft at 15 seconds. .FRI NIGHT...NW wind 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 14 seconds. .SAT...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. .SAT NIGHT...NW wind around 15 kt. Seas 4 to 5 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 6 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 6 seconds and SW 2 ft at 15 seconds. $$ PZZ130-201745- West Entrance U.S. Waters Strait Of Juan De Fuca- 935 PM PDT Tue Aug 19 2025 .TONIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W 2 ft at 9 seconds. .WED...W wind 5 to 10 kt. Seas around 2 ft or less. Wave Detail: W 2 ft at 8 seconds. .WED NIGHT...W wind 5 to 10 kt, easing to around 5 kt after midnight. Seas around 3 ft. Wave Detail: W 3 ft at 8 seconds. .THU...NE wind around 5 kt. Seas around 2 ft or less. Wave Detail: W 2 ft at 7 seconds. .THU NIGHT...NW wind around 5 kt, veering to NE after midnight. Seas around 2 ft or less. Wave Detail: W 2 ft at 6 seconds. .FRI...NE wind 5 to 10 kt. Seas around 2 ft or less, then around 3 ft in the afternoon. Wave Detail: W 3 ft at 6 seconds. .FRI NIGHT...NW wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 6 seconds. .SAT...NE wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds. .SAT NIGHT...W wind around 5 kt. Seas around 3 ft. Wave Detail: W 3 ft at 7 seconds. .SUN...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds. .SUN NIGHT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds. $$ PZZ131-201745- Central U.S. Waters Strait Of Juan De Fuca- 935 PM PDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT WEDNESDAY... .TONIGHT...W wind 10 to 20 kt, rising to 15 to 25 kt after midnight, easing to 10 to 15 kt late. Waves 3 ft or less. .WED...W wind 5 to 10 kt. Waves around 2 ft or less. .WED NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. .THU...NW wind around 5 kt, veering to NE in the afternoon. Waves around 2 ft or less. .THU NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. .FRI...E 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, backing to NE in the afternoon. 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. $$ PZZ132-201745- East Entrance U.S. Waters Strait Of Juan De Fuca- 935 PM PDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT WEDNESDAY... .TONIGHT...W wind 10 to 20 kt, rising to 15 to 25 kt. Waves around 3 ft or less. .WED...W wind 5 to 10 kt. Waves around 2 ft or less. .WED NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. .THU...NW wind 5 to 10 kt. Waves around 2 ft or less. .THU NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. .FRI...NW wind 5 to 10 kt. Waves around 2 ft or less. .FRI NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less. .SAT...NW wind 5 to 10 kt. Waves around 2 ft or less. .SAT NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. .SUN...W wind around 5 kt. Waves around 2 ft or less. .SUN NIGHT...W wind 5 to 10 kt. Waves around 2 ft or less. $$ PZZ134-201745- Admiralty Inlet- 935 PM PDT Tue Aug 19 2025 .TONIGHT...NW wind around 5 kt, rising to 10 to 15 kt late this evening and overnight. Waves around 2 ft or less. .WED...NW wind 5 to 10 kt. Waves around 2 ft or less. .WED NIGHT...NW wind 5 to 10 kt. Waves around 2 ft or less. .THU...NW wind around 5 kt, rising to around 10 kt in the afternoon. 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, becoming W after midnight. 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. $$ PZZ133-201745- Northern Inland Waters Including The San Juan Islands- 935 PM PDT Tue Aug 19 2025 .TONIGHT...SW wind around 5 kt, rising to 5 to 10 kt late this evening and early morning, veering to W late. Waves around 2 ft or less. .WED...W wind around 5 kt. Waves around 2 ft or less. .WED NIGHT...W wind around 5 kt, veering to NW after midnight. Waves around 2 ft or less. .THU...N wind around 5 kt, backing to NW in the afternoon. Waves around 2 ft or less. .THU NIGHT...NW wind 5 to 10 kt, easing to around 5 kt after midnight. Waves around 2 ft or less. .FRI...N wind around 5 kt, backing to NW in the afternoon. Waves around 2 ft or less. .FRI NIGHT...NW wind 5 to 10 kt, easing to around 5 kt after midnight. Waves around 2 ft or less. .SAT...NW wind around 5 kt. Waves around 2 ft or less. .SAT NIGHT...W wind around 5 kt. Waves around 2 ft or less. .SUN...NW wind around 5 kt. Waves around 2 ft or less. .SUN NIGHT...SW wind around 5 kt. Waves around 2 ft or less. $$ PZZ135-201745- Puget Sound and Hood Canal- 935 PM PDT Tue Aug 19 2025 .TONIGHT...N wind around 5 kt. Waves around 2 ft or less. .WED...NE wind around 5 kt, backing to N in the afternoon. Waves around 2 ft or less. .WED NIGHT...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, becoming NW after midnight. Waves around 2 ft or less. .SUN...NW 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. $$ PZZ110-201745- Grays Harbor Bar- 935 PM PDT Tue Aug 19 2025 Combined seas 3 or 4 ft. Bar conditions light. Maximum ebb currents will occur around 245 AM and 330 PM Wednesday, and 345 AM Thursday. The Wednesday and Thursday morning ebb will be strong. $$