Coastal Waters Forecast
Issued by NWS
Issued by NWS
982 FZAK52 PAFC 201128 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 328 AM AKDT Sun Sep 20 2026 Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. PKZ199-210000- 328 AM AKDT Sun Sep 20 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 1008 mb North Pacific low Mon morning moves to 140 nm W of Shemya at 1001 mb Tue morning. Its front moves along the Western and Central Aleutian Chain Mon afternoon through Tue morning. $$ PKZ750-210000- Sitkinak to Castle Cape out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...GALE WARNING TODAY... .TODAY...NW wind 35 kt. Seas 7 ft. .TONIGHT...W wind 30 kt. Seas 6 ft. Rain showers. .MON...NW wind 30 kt. Seas 5 ft. .MON NIGHT...NW wind 30 kt. Seas 5 ft. .TUE...NW wind 30 kt. Seas 5 ft. .WED...SW wind 25 kt. Seas 4 ft. .THU...S wind 30 kt. Seas 12 ft. $$ PKZ751-210000- Sitkinak to Castle Cape from 15 to 100 NM- 328 AM AKDT Sun Sep 20 2026 ...GALE WARNING TODAY AND MONDAY... .TODAY...NW wind 35 kt. Seas 13 ft. .TONIGHT...W wind 30 kt. Seas 12 ft. Rain showers. Isolated thunderstorms in the evening. .MON...NW wind 35 kt. Seas 10 ft. .MON NIGHT...NW wind 30 kt. Seas 10 ft. .TUE...NW wind 30 kt. Seas 9 ft. .WED...SW wind 25 kt. Seas 6 ft. .THU...S wind 30 kt. Seas 15 ft. $$ PKZ752-210000- Castle Cape to Cape Tolstoi out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...GALE WARNING TODAY... .TODAY...NW wind 35 kt. Seas 5 ft. Isolated thunderstorms. .TONIGHT...NW wind 30 kt. Seas 4 ft. .MON...NW wind 30 kt. Seas 4 ft. .MON NIGHT...NW wind 25 kt. Seas 3 ft. .TUE...NW wind 15 kt. Seas 2 ft. .WED...S wind 30 kt. Seas 5 ft. .THU...S wind 30 kt. Seas 11 ft. $$ PKZ753-210000- Castle Cape to Cape Tolstoi from 15 to 100 NM- 328 AM AKDT Sun Sep 20 2026 ...GALE WARNING THROUGH MONDAY... .TODAY...NW wind 35 kt. Seas 12 ft. Isolated thunderstorms. .TONIGHT...NW wind 35 kt. Seas 10 ft. Rain showers. .MON...NW wind 35 kt. Seas 10 ft. .MON NIGHT...NW wind 30 kt. Seas 9 ft. .TUE...NW wind 25 kt. Seas 7 ft. .WED...S wind 30 kt. Seas 8 ft. .THU...S wind 30 kt. Seas 14 ft. $$ PKZ754-210000- Cape Tolstoi to Cape Sarichef out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 25 kt. Seas 3 ft. Isolated thunderstorms. .TONIGHT...NW wind 25 kt. Seas 3 ft. .MON...NW wind 25 kt. Seas 3 ft. .MON NIGHT...NW wind 20 kt. Seas 3 ft. .TUE...W wind 15 kt. Seas 3 ft. .WED...S wind 40 kt. Seas 10 ft. .THU...S wind 40 kt. Seas 14 ft. $$ PKZ755-210000- Cape Tolstoi to Unalga Pass from 15 to 100 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 30 kt. Seas 9 ft. .TONIGHT...NW wind 30 kt. Seas 7 ft. .MON...NW wind 30 kt. Seas 7 ft. .MON NIGHT...NW wind 25 kt. Seas 7 ft. .TUE...W wind 20 kt. Seas 6 ft. .WED...S wind 30 kt. Seas 12 ft. .THU...SW wind 30 kt. Seas 21 ft. $$ PKZ756-210000- Port Heiden to Nelson Lagoon out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 30 kt. Seas 10 ft. Widespread rain showers. Isolated thunderstorms. .TONIGHT...NW wind 30 kt. Seas 11 ft. Widespread rain showers. .MON...NW wind 25 kt. Seas 10 ft. Rain showers. .MON NIGHT...NW wind 20 kt. Seas 7 ft. .TUE...NW wind 15 kt. Seas 5 ft. .WED...SE wind 30 kt. Seas 3 ft. .THU...S wind 30 kt. Seas 7 ft. $$ PKZ757-210000- Port Heiden to Nelson Lagoon from 15 to 60 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 30 kt. Seas 10 ft. Rain showers. Isolated thunderstorms. .TONIGHT...NW wind 30 kt. Seas 11 ft. Rain showers. .MON...NW wind 30 kt. Seas 10 ft. .MON NIGHT...NW wind 20 kt. Seas 7 ft. .TUE...NW wind 15 kt. Seas 5 ft. .WED...SE wind 35 kt. Seas 7 ft. .THU...S wind 35 kt. Seas 12 ft. $$ PKZ758-210000- Nelson Lagoon to Cape Sarichef out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 30 kt. Seas 9 ft. Widespread rain showers. Isolated thunderstorms. .TONIGHT...NW wind 30 kt. Seas 10 ft. Rain showers. .MON...NW wind 25 kt. Seas 9 ft. Rain showers. .MON NIGHT...NW wind 20 kt. Seas 6 ft. .TUE...W wind 15 kt. Seas 5 ft. .WED...SE wind 40 kt. Seas 5 ft. .THU...S wind 40 kt. Seas 13 ft. $$ PKZ759-210000- Nelson Lagoon to Unalga Pass 15 to 70 nm- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 30 kt. Seas 10 ft. Rain showers. Isolated thunderstorms. .TONIGHT...NW wind 30 kt. Seas 10 ft. .MON...NW wind 25 kt. Seas 9 ft. .MON NIGHT...NW wind 20 kt. Seas 6 ft. .TUE...SW wind 20 kt. Seas 5 ft. .WED...SE wind 35 kt. Seas 12 ft. .THU...S wind 35 kt. Seas 20 ft. $$ PKZ768-210000- Unimak Pass- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NW wind 25 kt. Seas 8 ft. Rain showers. .TONIGHT...NW wind 25 kt. Seas 7 ft. Rain showers. .MON...NW wind 20 kt. Seas 7 ft. .MON NIGHT...W wind 20 kt. Seas 6 ft. .TUE...SW wind 15 kt. Seas 5 ft. .WED...S wind 40 kt. Seas 13 ft. .THU...SW wind 35 kt. Seas 16 ft. $$ PKZ770-210000- Unalga Pass to Nikolski Bering Side out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NW wind 25 kt. Seas 8 ft. Rain showers. .TONIGHT...NW wind 25 kt. Seas 8 ft. Rain showers. .MON...NW wind 20 kt. Seas 6 ft. .MON NIGHT...W wind 20 kt. Seas 5 ft. .TUE...S wind 25 kt. Seas 5 ft. .WED...S wind 40 kt. Seas 9 ft. .THU...SW wind 45 kt. Seas 19 ft. $$ PKZ772-210000- Unalga Pass to Nikolski Bering Side from 15 to 85 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NW wind 25 kt. Seas 8 ft. Rain showers. .TONIGHT...NW wind 25 kt. Seas 8 ft. Rain showers. .MON...NW wind 20 kt. Seas 6 ft. .MON NIGHT...W wind 20 kt. Seas 6 ft. .TUE...S wind 25 kt. Seas 6 ft. .WED...S wind 35 kt. Seas 16 ft. .THU...SW wind 40 kt. Seas 27 ft. $$ PKZ771-210000- Unalaska Bay- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NW wind 25 kt. Seas 8 ft. Widespread rain showers. .TONIGHT...NW wind 25 kt. Seas 7 ft. Rain showers. .MON...W wind 20 kt. Seas 5 ft subsiding to 3 ft in the afternoon. Rain showers. .MON NIGHT...W wind 20 kt. Seas 3 ft. .TUE...S wind 15 kt. Seas 2 ft. .WED THROUGH THU...SW wind 30 kt. Seas 5 ft. $$ PKZ773-210000- Unalga Pass to Nikolski Pacific Side out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NW wind 25 kt. Seas 4 ft. .TONIGHT...NW wind 25 kt. Seas 4 ft. .MON...NW wind 20 kt. Seas 3 ft. .MON NIGHT...W wind 15 kt. Seas 3 ft. .TUE...SW wind 25 kt. Seas 6 ft. .WED THROUGH THU...SW wind 40 kt. Seas 20 ft. $$ PKZ774-210000- Unalga Pass to Nikolski Pacific Side from 15 to 85 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 25 kt. Seas 6 ft. .TONIGHT...NW wind 25 kt. Seas 6 ft. .MON...NW wind 25 kt. Seas 6 ft. .MON NIGHT...W wind 20 kt. Seas 5 ft. .TUE...SW wind 25 kt. Seas 7 ft. .WED...S wind 35 kt. Seas 19 ft. .THU...SW wind 35 kt. Seas 28 ft. $$ PKZ775-210000- Nikolski to Seguam Bering Side out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY TONIGHT AND MONDAY... .TODAY...N wind 20 kt. Seas 7 ft. .TONIGHT...NW wind 25 kt. Seas 8 ft. .MON...NW wind 25 kt. Seas 8 ft. .MON NIGHT...W wind 15 kt. Seas 5 ft. .TUE...S wind 25 kt. Seas 7 ft. .WED...S wind 40 kt. Seas 18 ft. .THU...SW wind 40 kt. Seas 29 ft. $$ PKZ776-210000- Nikolski to Seguam Bering Side from 15 to 85 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 25 kt. Seas 8 ft. .TONIGHT...NW wind 25 kt. Seas 9 ft. .MON...NW wind 20 kt. Seas 8 ft. .MON NIGHT...W wind 20 kt. Seas 6 ft. .TUE...S wind 25 kt. Seas 9 ft. .WED...S wind 35 kt. Seas 18 ft. .THU...SW wind 45 kt. Seas 30 ft. $$ PKZ777-210000- Nikolski to Seguam Pacfic Side out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 25 kt. Seas 6 ft. .TONIGHT...NW wind 25 kt. Seas 7 ft. .MON...NW wind 25 kt. Seas 7 ft. .MON NIGHT...W wind 15 kt. Seas 5 ft. .TUE...SW wind 25 kt. Seas 9 ft. .WED...S wind 35 kt. Seas 21 ft. .THU...SW wind 40 kt. Seas 34 ft. $$ PKZ778-210000- Nikolski to Seguam Pacific Side from 15 to 75 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...N wind 25 kt. Seas 6 ft. .TONIGHT...NW wind 25 kt. Seas 7 ft. .MON...NW wind 25 kt. Seas 7 ft. .MON NIGHT...W wind 20 kt. Seas 5 ft. .TUE...SW wind 25 kt. Seas 11 ft. .WED...S wind 35 kt. Seas 20 ft. .THU...SW wind 35 kt. Seas 36 ft. $$ PKZ780-210000- Seguam to Adak Bering Side out to 15 NM- 328 AM AKDT Sun Sep 20 2026 .TODAY...N wind 20 kt. Seas 6 ft. .TONIGHT...NW wind 20 kt. Seas 6 ft. .MON...W wind 20 kt. Seas 6 ft. .MON NIGHT...SW wind 20 kt. Seas 4 ft. .TUE...S wind 30 kt. Seas 5 ft. .WED...SW wind 50 kt. Seas 17 ft. .THU...SW wind 50 kt. Seas 28 ft. $$ PKZ781-210000- Seguam to Adak Bering Side from 15 to 85 NM- 328 AM AKDT Sun Sep 20 2026 .TODAY...NW wind 20 kt. Seas 7 ft. .TONIGHT...NW wind 20 kt. Seas 7 ft. .MON...W wind 20 kt. Seas 6 ft. .MON NIGHT...SW wind 20 kt. Seas 5 ft. .TUE...S wind 30 kt. Seas 8 ft. .WED...SW wind 45 kt. Seas 23 ft. .THU...SW wind 45 kt. Seas 34 ft. $$ PKZ782-210000- Seguam to Adak Pacific Side out to 15 NM- 328 AM AKDT Sun Sep 20 2026 .TODAY...N wind 20 kt. Seas 4 ft. .TONIGHT...NW wind 20 kt. Seas 4 ft. .MON...W wind 15 kt. Seas 4 ft. .MON NIGHT...SW wind 20 kt. Seas 4 ft. .TUE...S wind 30 kt. Seas 11 ft. .WED...SW wind 45 kt. Seas 28 ft. .THU...SW wind 45 kt. Seas 36 ft. $$ PKZ783-210000- Seguam to Adak Pacific Side from 15 to 75 NM- 328 AM AKDT Sun Sep 20 2026 .TODAY...N wind 20 kt. Seas 5 ft. .TONIGHT...NW wind 20 kt. Seas 6 ft. .MON...W wind 15 kt. Seas 5 ft. .MON NIGHT...SW wind 20 kt. Seas 5 ft. .TUE...SW wind 35 kt. Seas 13 ft. .WED...SW wind 40 kt. Seas 28 ft. .THU...SW wind 40 kt. Seas 38 ft. $$ PKZ784-210000- Adak to Kiska Bering Side- 328 AM AKDT Sun Sep 20 2026 .TODAY...NW wind 15 kt. Seas 6 ft. .TONIGHT...W wind 15 kt. Seas 5 ft. .MON...SW wind 20 kt. Seas 5 ft. .MON NIGHT...S wind 30 kt. Seas 6 ft. .TUE...SW wind 35 kt. Seas 11 ft. .WED...SW wind 45 kt. Seas 25 ft. .THU...W wind 45 kt. Seas 34 ft. $$ PKZ785-210000- Adak to Kiska Pacific Side- 328 AM AKDT Sun Sep 20 2026 .TODAY...N wind 15 kt. Seas 5 ft. .TONIGHT...W wind 15 kt. Seas 4 ft. .MON...SW wind 20 kt. Seas 5 ft. .MON NIGHT...S wind 35 kt. Seas 8 ft. .TUE...SW wind 35 kt. Seas 13 ft. .WED...SW wind 40 kt. Seas 28 ft. .THU...W wind 40 kt. Seas 35 ft. $$ PKZ786-210000- Kiska to Attu Bering Side- 328 AM AKDT Sun Sep 20 2026 .TODAY...Variable wind 10 kt. Seas 5 ft. .TONIGHT...SW wind 15 kt. Seas 5 ft. .MON...SW wind 20 kt. Seas 4 ft. .MON NIGHT...S wind 35 kt. Seas 10 ft. .TUE...W wind 30 kt. Seas 11 ft. .WED...W wind 45 kt. Seas 20 ft. .THU...W wind 45 kt. Seas 32 ft. $$ PKZ787-210000- Kiska to Attu Pacific Side- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY MONDAY... .TODAY...Variable wind 10 kt. Seas 5 ft. .TONIGHT...SW wind 15 kt. Seas 5 ft. .MON...SW wind 15 kt becoming S 25 kt in the afternoon. Seas 5 ft. Rain. .MON NIGHT...S wind 40 kt. Seas 13 ft. .TUE...W wind 30 kt. Seas 14 ft. .WED...W wind 40 kt. Seas 21 ft. .THU...W wind 40 kt. Seas 31 ft. $$ PKZ766-210000- Pribilof Islands Nearshore Waters- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...NW wind 25 kt. Seas 7 ft. Rain showers. .TONIGHT...NW wind 20 kt. Seas 6 ft. .MON...NW wind 15 kt. Seas 5 ft. .MON NIGHT...NW wind 15 kt. Seas 5 ft. .TUE...SE wind 25 kt. Seas 5 ft. .WED...SE wind 40 kt. Seas 15 ft. .THU...S wind 40 kt. Seas 25 ft. $$ PKZ760-210000- Bristol Bay greater than 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 30 kt. Seas 9 ft. .TONIGHT...NW wind 30 kt. Seas 9 ft. .MON...NW wind 30 kt. Seas 9 ft. .MON NIGHT...NW wind 20 kt. Seas 6 ft. .TUE...NW wind 15 kt. Seas 4 ft. .WED...SE wind 35 kt. Seas 6 ft. .THU...SE wind 40 kt. Seas 11 ft. $$ PKZ761-210000- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 30 kt. Seas 9 ft. Rain showers. .TONIGHT...NW wind 25 kt. Seas 8 ft. .MON...NW wind 25 kt. Seas 8 ft. .MON NIGHT...NW wind 20 kt. Seas 6 ft. .TUE...N wind 15 kt. Seas 4 ft. .WED THROUGH THU...SE wind 30 kt. Seas 5 ft. $$ PKZ762-210000- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 30 kt. Seas 4 ft. .TONIGHT...N wind 30 kt. Seas 4 ft. .MON...NW wind 25 kt. Seas 4 ft. .MON NIGHT...N wind 20 kt. Seas 3 ft. .TUE...N wind 15 kt. Seas 2 ft. .WED...E wind 40 kt. Seas 4 ft. .THU...SE wind 40 kt. Seas 9 ft. $$ PKZ763-210000- Kuskokwim Delta and Etolin Strait out to 15 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...N wind 30 kt. Seas 5 ft. .TONIGHT...NW wind 30 kt. Seas 5 ft. .MON...NW wind 25 kt. Seas 4 ft. .MON NIGHT...N wind 15 kt. Seas 3 ft. .TUE...SE wind 10 kt. Seas 2 ft. .WED...SE wind 45 kt. Seas 7 ft. .THU...SE wind 45 kt. Seas 11 ft. $$ PKZ764-210000- Kuskokwim Delta from 15 to 80 NM- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 30 kt. Seas 9 ft. .TONIGHT...NW wind 30 kt. Seas 10 ft. .MON...NW wind 25 kt. Seas 8 ft. .MON NIGHT...NW wind 20 kt. Seas 6 ft. .TUE...S wind 20 kt. Seas 4 ft. .WED THROUGH THU...S wind 45 kt. Seas 14 ft. $$ PKZ765-210000- North and West of Nunivak Island- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 25 kt. Seas 7 ft. .TONIGHT...NW wind 25 kt. Seas 7 ft. .MON...NW wind 15 kt. Seas 5 ft. .MON NIGHT...Variable wind 10 kt. Seas 5 ft. .TUE...S wind 20 kt. Seas 4 ft. .WED THROUGH THU...SE wind 40 kt. Seas 14 ft. $$ PKZ767-210000- Saint Matthew Island Waters- 328 AM AKDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...NW wind 25 kt. Seas 7 ft. .TONIGHT...NW wind 20 kt. Seas 5 ft. .MON...NW wind 20 kt. Seas 5 ft. .MON NIGHT...W wind 15 kt. Seas 4 ft. .TUE...SE wind 25 kt. Seas 5 ft. .WED...E wind 40 kt. Seas 17 ft. .THU...E wind 40 kt. Seas 24 ft. $$