Coastal Waters Forecast
Issued by NWS
Issued by NWS
178 FZAK52 PAFC 301149 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 349 AM AKDT Sat Aug 30 2025 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. PKZ199-310045- 349 AM AKDT Sat Aug 30 2025 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 981 mb low 140 nm NE of Shemya moves to 290 nm SW of St. Matthew Island at 991 mb Mon morning. Its initial front moves from the Eastern Aleutians to the Southern Alaska Peninsula for this afternoon and inland of Southwest Alaska through Mon morning. Its trailing front moves from the Western Aleutians this afternoon to the Central Aleutians and Pribilof Islands by Sun afternoon and to the Kuskokwim Delta Coast for Mon morning. $$ PKZ750-310045- Sitkinak to Castle Cape out to 15 NM- 349 AM AKDT Sat Aug 30 2025 .TODAY...S wind 15 kt. Seas 3 ft. .TONIGHT...S wind 15 kt. Seas 4 ft. .SUN...S wind 20 kt. Seas 5 ft. .SUN NIGHT...S wind 20 kt. Seas 5 ft. .MON THROUGH TUE...SE wind 20 kt. Seas 6 ft. .WED...SE wind 20 kt. Seas 10 ft. $$ PKZ751-310045- Sitkinak to Castle Cape from 15 to 100 NM- 349 AM AKDT Sat Aug 30 2025 .TODAY...S wind 15 kt. Seas 4 ft. .TONIGHT...S wind 15 kt. Seas 5 ft. .SUN...S wind 20 kt. Seas 7 ft. .SUN NIGHT...S wind 20 kt. Seas 7 ft. .MON THROUGH WED...SE wind 25 kt. Seas 9 ft. $$ PKZ752-310045- Castle Cape to Cape Tolstoi out to 15 NM- 349 AM AKDT Sat Aug 30 2025 .TODAY...S wind 20 kt. Seas 3 ft. .TONIGHT...S wind 20 kt. Seas 3 ft. .SUN...S wind 20 kt. Seas 4 ft. Rain. .SUN NIGHT...S wind 20 kt. Seas 5 ft. .MON...S wind 20 kt. Seas 5 ft. .TUE...E wind 15 kt. Seas 7 ft. .WED...E wind 15 kt. Seas 13 ft. $$ PKZ753-310045- Castle Cape to Cape Tolstoi from 15 to 100 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY... .TODAY...S wind 20 kt. Seas 5 ft. .TONIGHT...S wind 20 kt. Seas 8 ft. .SUN...S wind 20 kt. Seas 8 ft. .SUN NIGHT...S wind 20 kt. Seas 9 ft. .MON...S wind 25 kt. Seas 8 ft. .TUE...SE wind 20 kt. Seas 8 ft. .WED...SE wind 20 kt. Seas 14 ft. $$ PKZ754-310045- Cape Tolstoi to Cape Sarichef out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 30 kt. Seas 4 ft in the morning building to 9 ft in the afternoon. Rain. .TONIGHT...S wind 30 kt. Seas 9 ft. Rain. .SUN...S wind 30 kt. Seas 9 ft. Widespread rain showers. .SUN NIGHT...S wind 25 kt. Seas 7 ft. .MON...W wind 15 kt. Seas 6 ft. .TUE...N wind 15 kt. Seas 4 ft. .WED...N wind 15 kt. Seas 9 ft. $$ PKZ755-310045- Cape Tolstoi to Cape Sarichef from 15 to 100 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 30 kt. Seas 5 ft in the morning building to 12 ft in the afternoon. Rain. .TONIGHT...S wind 30 kt. Seas 13 ft. Rain. .SUN...S wind 30 kt. Seas 12 ft. Rain. .SUN NIGHT...S wind 25 kt. Seas 10 ft. .MON...W wind 20 kt. Seas 8 ft. .TUE...NE wind 15 kt. Seas 8 ft. .WED...N wind 15 kt. Seas 14 ft. $$ PKZ756-310045- Port Heiden to Nelson Lagoon out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...SE wind 25 kt. Seas 5 ft. .TONIGHT...SE wind 30 kt. Seas 5 ft. Rain. .SUN...SE wind 30 kt. Seas 6 ft. .SUN NIGHT...SE wind 25 kt. Seas 4 ft. .MON...SW wind 15 kt. Seas 3 ft. .TUE...NE wind 15 kt. Seas 5 ft. .WED...Variable wind 10 kt. Seas 5 ft. $$ PKZ757-310045- Port Heiden to Nelson Lagoon from 15 to 60 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...SE wind 30 kt. Seas 9 ft. Rain. .TONIGHT...SE wind 30 kt. Seas 9 ft. Rain. .SUN...SE wind 30 kt. Seas 10 ft. Rain. .SUN NIGHT...S wind 30 kt. Seas 9 ft. .MON...SW wind 15 kt. Seas 6 ft. .TUE THROUGH WED...N wind 15 kt. Seas 6 ft. $$ PKZ758-310045- Nelson Lagoon to Cape Sarichef out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 35 kt. Seas 6 ft. Rain. .TONIGHT...SE wind 35 kt. Seas 6 ft. Rain. .SUN...S wind 30 kt. Seas 6 ft. .SUN NIGHT...S wind 25 kt. Seas 5 ft. .MON...Variable wind 10 kt. Seas 5 ft. .TUE...N wind 20 kt. Seas 7 ft. .WED...N wind 15 kt. Seas 8 ft. $$ PKZ759-310045- Nelson Lagoon to Cape Sarichef from 15 to 70 NM- 349 AM AKDT Sat Aug 30 2025 ...GALE WARNING THROUGH SUNDAY... .TODAY...S wind 35 kt. Seas 11 ft. Rain. .TONIGHT...S wind 35 kt. Seas 11 ft. .SUN...S wind 35 kt. Seas 10 ft. .SUN NIGHT...S wind 25 kt. Seas 8 ft. .MON...SW wind 15 kt. Seas 6 ft. .TUE...N wind 20 kt. Seas 7 ft. .WED...N wind 15 kt. Seas 7 ft. $$ PKZ770-310045- Cape Sarichef to Nikolski Bering Side out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...GALE WARNING TODAY... .TODAY...S wind 35 kt. Seas 7 ft. Rain. .TONIGHT...S wind 30 kt. Seas 6 ft. .SUN...S wind 25 kt. Seas 6 ft. .SUN NIGHT...SW wind 20 kt. Seas 5 ft. .MON...SW wind 15 kt. Seas 5 ft. .TUE THROUGH WED...NW wind 20 kt. Seas 9 ft. $$ PKZ772-310045- Cape Sarichef to Nikolski Bering Side from 15 to 85 NM- 349 AM AKDT Sat Aug 30 2025 ...GALE WARNING TODAY... .TODAY...S wind 40 kt. Seas 12 ft. Rain. .TONIGHT...S wind 30 kt. Seas 9 ft. .SUN...S wind 25 kt. Seas 9 ft. .SUN NIGHT...SW wind 20 kt. Seas 7 ft. .MON...SW wind 20 kt. Seas 7 ft. .TUE THROUGH WED...NW wind 15 kt. Seas 9 ft. $$ PKZ771-310045- Unalaska Bay- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 25 kt. Seas 4 ft. Rain. .TONIGHT...S wind 25 kt. Seas 4 ft. .SUN...S wind 15 kt. Seas 2 ft. .SUN NIGHT...SW wind 15 kt. Seas 2 ft. .MON...W wind 10 kt. Seas 3 ft. .TUE THROUGH WED...NW wind 15 kt. Seas 5 ft. $$ PKZ773-310045- Cape Sarichef to Nikolski Pacific Side out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...GALE WARNING TODAY... .TODAY...S wind 35 kt. Seas 13 ft. Rain. .TONIGHT...S wind 30 kt. Seas 11 ft. .SUN...S wind 25 kt. Seas 10 ft. .SUN NIGHT...SW wind 15 kt. Seas 8 ft. .MON...Variable wind 10 kt. Seas 7 ft. .TUE THROUGH WED...NW wind 20 kt. Seas 8 ft. $$ PKZ774-310045- Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM- 349 AM AKDT Sat Aug 30 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 35 kt. Seas 15 ft. Rain. .TONIGHT...S wind 35 kt. Seas 14 ft. Rain. .SUN...S wind 30 kt. Seas 13 ft. .SUN NIGHT...SW wind 20 kt. Seas 9 ft. .MON...Variable wind 10 kt. Seas 7 ft. .TUE...N wind 20 kt. Seas 8 ft. .WED...NW wind 25 kt. Seas 11 ft. $$ PKZ775-310045- Nikolski to Seguam Bering Side out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 25 kt. Seas 10 ft. .TONIGHT...S wind 25 kt. Seas 9 ft. .SUN...S wind 25 kt. Seas 8 ft. .SUN NIGHT...SW wind 15 kt. Seas 7 ft. .MON...SW wind 15 kt. Seas 7 ft. .TUE THROUGH WED...W wind 15 kt. Seas 5 ft. $$ PKZ776-310045- Nikolski to Seguam Bering Side from 15 to 85 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 30 kt. Seas 10 ft. .TONIGHT...S wind 30 kt. Seas 11 ft. .SUN...S wind 25 kt. Seas 9 ft. .SUN NIGHT...SW wind 20 kt. Seas 8 ft. .MON...SW wind 20 kt. Seas 8 ft. .TUE...W wind 15 kt. Seas 8 ft. .WED...NW wind 15 kt. Seas 4 ft. $$ PKZ777-310045- Nikolski to Seguam Pacfic Side out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 25 kt. Seas 14 ft. .TONIGHT...S wind 25 kt. Seas 11 ft. .SUN...S wind 25 kt. Seas 10 ft. .SUN NIGHT...SW wind 15 kt. Seas 8 ft. .MON...SW wind 15 kt. Seas 7 ft. .TUE THROUGH WED...W wind 20 kt. Seas 6 ft. $$ PKZ778-310045- Nikolski to Seguam Pacific Side from 15 to 75 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 25 kt. Seas 15 ft. .TONIGHT...S wind 25 kt. Seas 13 ft. .SUN...S wind 25 kt. Seas 12 ft. .SUN NIGHT...W wind 15 kt. Seas 9 ft. .MON...W wind 15 kt. Seas 8 ft. .TUE THROUGH WED...W wind 20 kt. Seas 7 ft. $$ PKZ780-310045- Seguam to Adak Bering Side out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 30 kt. Seas 7 ft. .TONIGHT...S wind 25 kt. Seas 7 ft. .SUN...SW wind 20 kt. Seas 7 ft. .SUN NIGHT...SW wind 20 kt. Seas 7 ft. .MON...SW wind 20 kt. Seas 6 ft. .TUE...SW wind 15 kt. Seas 6 ft. .WED...E wind 15 kt. Seas 3 ft. $$ PKZ781-310045- Seguam to Adak Bering Side from 15 to 85 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 30 kt. Seas 11 ft. .TONIGHT...S wind 30 kt. Seas 10 ft. .SUN...SW wind 25 kt. Seas 10 ft. .SUN NIGHT...SW wind 25 kt. Seas 10 ft. .MON...SW wind 25 kt. Seas 8 ft. .TUE...SW wind 15 kt. Seas 7 ft. .WED...SE wind 15 kt. Seas 4 ft. $$ PKZ782-310045- Seguam to Adak Pacific Side out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 30 kt. Seas 14 ft. .TONIGHT...S wind 25 kt. Seas 12 ft. .SUN...SW wind 25 kt. Seas 10 ft. .SUN NIGHT...SW wind 20 kt. Seas 7 ft. .MON...SW wind 20 kt. Seas 6 ft. .TUE...Variable wind 10 kt. Seas 4 ft. .WED...SE wind 20 kt. Seas 4 ft. $$ PKZ783-310045- Seguam to Adak Pacific Side from 15 to 75 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 30 kt. Seas 16 ft. .TONIGHT...S wind 30 kt. Seas 15 ft. .SUN...SW wind 25 kt. Seas 12 ft. .SUN NIGHT...W wind 20 kt. Seas 9 ft. .MON THROUGH TUE...W wind 15 kt. Seas 6 ft. .WED...S wind 25 kt. Seas 5 ft. $$ PKZ784-310045- Adak to Kiska Bering Side- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...SW wind 30 kt. Seas 13 ft. .TONIGHT...W wind 30 kt. Seas 14 ft. .SUN...W wind 30 kt. Seas 14 ft. .SUN NIGHT...SW wind 25 kt. Seas 11 ft. .MON...SW wind 25 kt. Seas 9 ft. .TUE...SW wind 15 kt. Seas 6 ft. .WED...E wind 25 kt. Seas 4 ft. $$ PKZ785-310045- Adak to Kiska Pacific Side- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...SW wind 30 kt. Seas 19 ft. .TONIGHT...W wind 30 kt. Seas 13 ft. .SUN...W wind 25 kt. Seas 12 ft. .SUN NIGHT...SW wind 20 kt. Seas 8 ft. .MON...SW wind 20 kt. Seas 7 ft. .TUE...S wind 15 kt. Seas 5 ft. .WED...E wind 30 kt. Seas 8 ft. $$ PKZ786-310045- Kiska to Attu Bering Side- 349 AM AKDT Sat Aug 30 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...NW wind 35 kt. Seas 17 ft. .TONIGHT...NW wind 35 kt. Seas 17 ft. .SUN...W wind 25 kt. Seas 14 ft. .SUN NIGHT...W wind 25 kt. Seas 10 ft. .MON...W wind 20 kt. Seas 8 ft. .TUE...S wind 15 kt. Seas 5 ft. .WED...E wind 25 kt. Seas 5 ft. $$ PKZ787-310045- Kiska to Attu Pacific Side- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...NW wind 30 kt. Seas 16 ft. .TONIGHT...NW wind 30 kt. Seas 15 ft. .SUN...W wind 20 kt. Seas 12 ft. .SUN NIGHT...W wind 20 kt. Seas 9 ft. .MON...SW wind 20 kt. Seas 8 ft. .TUE...SE wind 20 kt. Seas 5 ft. .WED...NE wind 30 kt. Seas 9 ft. $$ PKZ766-310045- Pribilof Islands Nearshore Waters- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 30 kt. Seas 15 ft. .TONIGHT...S wind 25 kt. Seas 11 ft. .SUN...S wind 30 kt. Seas 12 ft. .SUN NIGHT...SW wind 25 kt. Seas 9 ft. .MON THROUGH TUE...SW wind 30 kt. Seas 12 ft. .WED...Variable wind 10 kt. Seas 5 ft. $$ PKZ760-310045- Bristol Bay greater than 15 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY... .TODAY...SE wind 20 kt. Seas 3 ft building to 6 ft in the afternoon. Rain. .TONIGHT...SE wind 25 kt. Seas 7 ft. Rain. .SUN...SE wind 25 kt. Seas 8 ft. Rain. .SUN NIGHT...SE wind 25 kt. Seas 6 ft. .MON...S wind 25 kt. Seas 6 ft. .TUE...NE wind 15 kt. Seas 4 ft. .WED...E wind 15 kt. Seas 7 ft. $$ PKZ761-310045- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 349 AM AKDT Sat Aug 30 2025 .TODAY...SE wind 20 kt. Seas 3 ft. .TONIGHT...SE wind 20 kt. Seas 4 ft. Rain. .SUN...SE wind 20 kt. Seas 4 ft. .SUN NIGHT...SE wind 25 kt. Seas 4 ft. .MON...S wind 20 kt. Seas 4 ft. .TUE...E wind 15 kt. Seas 4 ft. .WED...SE wind 15 kt. Seas 4 ft. $$ PKZ762-310045- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...SE wind 25 kt. Seas 4 ft. Rain. .TONIGHT...SE wind 25 kt. Seas 5 ft. Rain. .SUN...SE wind 30 kt. Seas 6 ft. Widespread rain showers. .SUN NIGHT...SE wind 25 kt. Seas 5 ft. .MON...S wind 25 kt. Seas 5 ft. .TUE THROUGH WED...E wind 15 kt. Seas 5 ft. $$ PKZ763-310045- Kuskokwim Delta and Etolin Strait out to 15 NM- 349 AM AKDT Sat Aug 30 2025 ...GALE WARNING TODAY AND SUNDAY... .TODAY...S wind 35 kt. Seas 9 ft. Rain. .TONIGHT...S wind 30 kt. Seas 9 ft. Rain. .SUN...SE wind 35 kt. Seas 8 ft. Widespread rain showers. .SUN NIGHT...S wind 30 kt. Seas 7 ft. .MON THROUGH TUE...S wind 30 kt. Seas 6 ft. .WED...N wind 15 kt. Seas 4 ft. $$ PKZ764-310045- Kuskokwim Delta from 15 to 80 NM- 349 AM AKDT Sat Aug 30 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 35 kt. Seas 13 ft. Rain. .TONIGHT...S wind 35 kt. Seas 13 ft. .SUN...S wind 30 kt. Seas 11 ft. .SUN NIGHT...S wind 25 kt. Seas 10 ft. .MON THROUGH TUE...S wind 30 kt. Seas 10 ft. .WED...N wind 15 kt. Seas 6 ft. $$ PKZ765-310045- North and West of Nunivak Island- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...S wind 30 kt. Seas 14 ft. Rain. .TONIGHT...SE wind 30 kt. Seas 12 ft. .SUN...S wind 25 kt. Seas 10 ft. .SUN NIGHT...S wind 25 kt. Seas 10 ft. .MON THROUGH TUE...S wind 30 kt. Seas 12 ft. .WED...NW wind 15 kt. Seas 6 ft. $$ PKZ767-310045- Saint Matthew Island Waters- 349 AM AKDT Sat Aug 30 2025 ...SMALL CRAFT ADVISORY THROUGH SUNDAY... .TODAY...SE wind 30 kt. Seas 13 ft. Rain. .TONIGHT...SE wind 25 kt. Seas 11 ft. Rain. .SUN...SE wind 25 kt. Seas 10 ft. Rain. .SUN NIGHT...SE wind 25 kt. Seas 10 ft. .MON...S wind 30 kt. Seas 10 ft. .TUE...SW wind 25 kt. Seas 9 ft. .WED...Variable wind 10 kt. Seas 5 ft. $$