Coastal Waters Forecast
Issued by NWS
Issued by NWS
947 FZAK52 PAJK 211146 CWFAEG Coastal Waters Forecast for Southeast Alaska National Weather Service Juneau AK 346 AM AKDT Mon Sep 21 2026 Southeast Alaska Coastal Waters from Dixon Entrance to Cape Suckling out 100 NM Wind forecasts reflect the predominant speed and direction expected. Seas forecasts represent the average of the highest one-third of the combined windwave and swell height. PKZ099-220600- 346 AM AKDT Mon Sep 21 2026 .SYNOPSIS FOR OUTSIDE WATERS... Southwest onshore flow will continue through Monday shifting to a south and east as another developing low moving into the southern and eastern gulf by Tuesday. Winds across the inner channels weakening Monday. Another system approaches the southern gulf late Monday into Tuesday building winds and seas again. $$ PKZ641-220600- Dixon Entrance to Cape Decision out to 15 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY LATE TONIGHT THROUGH TUESDAY... .TODAY...S wind 10 kt. Seas 10 ft. SW swell. Showers early in the morning. Slight chance of thunderstorms. .TONIGHT...S wind 10 kt becoming SE 25 kt late. Seas 9 ft. Slight chance of thunderstorms. .TUE...S wind 25 kt. Gusts to 40 kt in the afternoon. Seas 12 ft. Showers. Slight chance of thunderstorms in the afternoon. .TUE NIGHT...S wind 20 kt. Seas 12 ft. Showers and slight chance of thunderstorms. .WED...SE wind 20 kt. Seas 10 ft. .THU...SE wind 15 kt. Seas 6 ft. .FRI...SE wind 20 kt. Seas 4 ft. $$ PKZ661-220600- Dixon Entrance to Cape Decision from 15 to 90 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 10 kt. Seas 10 ft. W swell. Showers early in the morning. Slight chance of thunderstorms. .TONIGHT...S wind 15 kt increasing to 25 kt late. Seas 9 ft. Slight chance of thunderstorms. Showers late. .TUE...S wind 30 kt. Seas 15 ft. Showers. Slight chance of thunderstorms in the afternoon. .TUE NIGHT...S wind 25 kt. Seas 14 ft. Showers and slight chance of thunderstorms. .WED...S wind 20 kt. Seas 10 ft. .THU...S wind 15 kt. Seas 6 ft. .FRI...S wind 20 kt. Seas 6 ft. $$ PKZ642-220600- Cape Decision to Cape Edgecumbe out to 15 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...S wind 10 kt. Seas 10 ft. SW swell early in the morning. Showers early in the morning. Slight chance of thunderstorms. Showers in the morning. .TONIGHT...SE wind 15 kt. Seas 9 ft. Slight chance of thunderstorms in the evening. .TUE...SE wind 25 kt. Gusts to 40 kt in the afternoon. Seas 12 ft. Showers. .TUE NIGHT...SE wind 25 kt. Seas 12 ft. Showers and slight chance of thunderstorms. .WED...SE wind 25 kt. Seas 10 ft. .THU...SE wind 15 kt. Seas 6 ft. .FRI...SE wind 20 kt. Seas 5 ft. $$ PKZ662-220600- Cape Decision to Cape Edgecumbe from 15 to 80 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 15 kt. Seas 10 ft. SW swell early in the morning. Showers early in the morning. Slight chance of thunderstorms. .TONIGHT...S wind 10 kt becoming SE 25 kt late. Seas 9 ft. Slight chance of thunderstorms in the evening. .TUE...SE wind 30 kt. Seas 14 ft. Showers. Slight chance of thunderstorms in the afternoon. .TUE NIGHT...S wind 25 kt. Seas 14 ft. Showers and slight chance of thunderstorms. .WED...S wind 25 kt. Seas 11 ft. .THU...SE wind 15 kt. Seas 6 ft. .FRI...S wind 20 kt. Seas 6 ft. $$ PKZ643-220600- Cape Edgecumbe to Cape Spencer out to 15 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...S wind 15 kt. Seas 11 ft. Showers and chance of thunderstorms early in the morning, then slight chance of thunderstorms in the afternoon. .TONIGHT...S wind 10 kt becoming E 20 kt late. Seas 8 ft. SW swell. Slight chance of thunderstorms in the evening. .TUE...E wind 25 kt. Seas 10 ft. Showers. .TUE NIGHT...SE wind 25 kt. Seas 12 ft. Showers and slight chance of thunderstorms. .WED...SE wind 25 kt. Seas 10 ft. .THU...E wind 15 kt. Seas 6 ft. .FRI...SE wind 20 kt. Seas 5 ft. $$ PKZ663-220600- Cape Edgecumbe to Cape Spencer from 15 to 80 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 15 kt. Seas 11 ft. Showers early in the morning. Slight chance of thunderstorms. .TONIGHT...S wind 10 kt becoming SE 25 kt late. Seas 9 ft. .TUE...SE wind 30 kt. Seas 13 ft. Showers. Slight chance of thunderstorms in the afternoon. .TUE NIGHT...SE wind 30 kt. Seas 12 ft. Showers and slight chance of thunderstorms. .WED...SE wind 25 kt. Seas 11 ft. .THU...SE wind 20 kt. Seas 6 ft. .FRI...SE wind 20 kt. Seas 7 ft. $$ PKZ644-220600- Cape Spencer to Cape Fairweather out to 15 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TODAY...S wind 15 kt. Seas 11 ft. Showers and chance of thunderstorms early in the morning, then slight chance of thunderstorms in the afternoon. .TONIGHT...E wind 15 kt. Seas 8 ft. SW swell. .TUE...E wind 30 kt. Seas 10 ft. Showers in the afternoon. .TUE NIGHT...E wind 30 kt. Seas 11 ft. Rain showers. .WED...E wind 30 kt. Seas 10 ft. .THU...E wind 15 kt. Seas 6 ft. .FRI...SE wind 20 kt. Seas 5 ft. $$ PKZ664-220600- Cape Spencer to Cape Fairweather from 15 to 85 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TODAY...SW wind 25 kt diminishing to 15 kt in the afternoon. Seas 11 ft. Showers early in the morning. Slight chance of thunderstorms. .TONIGHT...SE wind 15 kt. Seas 8 ft. S swell. .TUE...E wind 30 kt. Seas 12 ft. Showers. .TUE NIGHT...SE wind 30 kt. Seas 13 ft. Showers. .WED...E wind 30 kt. Seas 12 ft. .THU...E wind 20 kt. Seas 6 ft. .FRI...SE wind 25 kt. Seas 7 ft. $$ PKZ651-220600- Cape Fairweather to Icy Cape out to 15 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TODAY...S wind 25 kt diminishing to 15 kt in the afternoon. Seas 11 ft. Showers early in the morning. Slight chance of thunderstorms. Showers in the afternoon. .TONIGHT...E wind 15 kt. Seas 8 ft. .TUE...E wind 15 kt. Seas 7 ft. .TUE NIGHT...E wind 15 kt. Seas 9 ft. .WED...E wind 15 kt. Seas 8 ft. .THU...E wind 10 kt. Seas 5 ft. .FRI...E wind 25 kt. Seas 8 ft. $$ PKZ671-220600- Cape Fairweather to Icy Cape from 15 to 80 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TODAY...SW wind 15 kt. Seas 11 ft. S swell early in the morning. Showers early in the morning. Slight chance of thunderstorms early in the morning. Showers in the morning. .TONIGHT...S wind 10 kt becoming E late. Seas 8 ft. S swell. .TUE...E wind 30 kt. Seas 12 ft. .TUE NIGHT...E wind 30 kt. Seas 14 ft. .WED...E wind 30 kt. Seas 11 ft. .THU...E wind 15 kt. Seas 6 ft. .FRI...SE wind 25 kt. Seas 8 ft. $$ PKZ652-220600- Icy Cape to Cape Suckling out to 15 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TODAY...SE wind 15 kt. Seas 10 ft. Patchy fog early in the morning. Showers and slight chance of thunderstorms early in the morning. Showers in the afternoon. .TONIGHT...E wind 20 kt. Seas 8 ft. Showers in the evening. .TUE...NE wind 15 kt. Seas 6 ft. .TUE NIGHT...NE wind 15 kt. Seas 8 ft. .WED...E wind 10 kt. Seas 7 ft. .THU...E wind 15 kt. Seas 5 ft. .FRI...E wind 30 kt. Seas 11 ft. $$ PKZ672-220600- Icy Cape to Cape Suckling from 15 to 80 NM- 346 AM AKDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... .TODAY...SW wind 25 kt becoming S 15 kt in the afternoon. Seas 11 ft. Showers early in the morning. .TONIGHT...SE wind 15 kt. Seas 8 ft. .TUE...E wind 25 kt. Seas 8 ft. .TUE NIGHT...E wind 25 kt. Seas 11 ft. .WED...E wind 20 kt. Seas 9 ft. .THU...SE wind 15 kt. Seas 5 ft. .FRI...SE wind 30 kt. Seas 9 ft. $$