Coastal Waters Forecast
Issued by NWS
Issued by NWS
686 FZAK52 PAFC 291147 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 347 AM AKDT Fri Aug 29 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. PKZ199-300100- 347 AM AKDT Fri Aug 29 2025 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 982 mb 210 nm W of Shemya moves to 280 nm N of Adak at 987 mb Sun morning. Its initial front moves across the Aleutian Chain to the Alaska Peninsula and inland of Southwest Alaska through Sun morning. Its trailing front moves from the Western Aleutians to the Central Aleutians this evening through Sun morning. $$ PKZ750-300100- Sitkinak to Castle Cape out to 15 NM- 347 AM AKDT Fri Aug 29 2025 .TODAY...W wind 20 kt. Seas 5 ft. .TONIGHT...SW wind 15 kt. Seas 3 ft. .SAT...S wind 15 kt. Seas 3 ft. .SAT NIGHT...S wind 15 kt. Seas 3 ft. .SUN THROUGH TUE...SE wind 20 kt. Seas 5 ft. $$ PKZ751-300100- Sitkinak to Castle Cape from 15 to 100 NM- 347 AM AKDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...W wind 15 kt. Seas 8 ft. .TONIGHT...S wind 15 kt. Seas 5 ft. .SAT...S wind 15 kt. Seas 4 ft. .SAT NIGHT...S wind 15 kt. Seas 5 ft. .SUN THROUGH MON...S wind 25 kt. Seas 9 ft. .TUE...S wind 20 kt. Seas 7 ft. $$ PKZ752-300100- Castle Cape to Cape Tolstoi out to 15 NM- 347 AM AKDT Fri Aug 29 2025 .TODAY...W wind 15 kt. Seas 4 ft. .TONIGHT...S wind 20 kt. Seas 3 ft. .SAT...S wind 20 kt. Seas 3 ft. .SAT NIGHT...S wind 20 kt. Seas 3 ft. .SUN THROUGH MON...S wind 20 kt. Seas 6 ft. .TUE...SE wind 15 kt. Seas 6 ft. $$ PKZ753-300100- Castle Cape to Cape Tolstoi from 15 to 100 NM- 347 AM AKDT Fri Aug 29 2025 .TODAY...W wind 15 kt. Seas 6 ft. .TONIGHT...S wind 15 kt. Seas 4 ft. .SAT...S wind 20 kt. Seas 5 ft. .SAT NIGHT...S wind 20 kt. Seas 9 ft. .SUN THROUGH TUE...SE wind 25 kt. Seas 9 ft. $$ PKZ754-300100- Cape Tolstoi to Cape Sarichef out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...SW wind 15 kt. Seas 4 ft. .TONIGHT...S wind 25 kt. Seas 6 ft. .SAT...S wind 30 kt. Seas 7 ft building to 11 ft in the afternoon. Rain. .SAT NIGHT...S wind 30 kt. Seas 12 ft. .SUN...S wind 30 kt. Seas 12 ft. .MON...S wind 15 kt. Seas 7 ft. .TUE...N wind 20 kt. Seas 4 ft. $$ PKZ755-300100- Cape Tolstoi to Cape Sarichef from 15 to 100 NM- 347 AM AKDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...SW wind 15 kt. Seas 5 ft. .TONIGHT...S wind 25 kt. Seas 6 ft. .SAT...S wind 30 kt. Seas 12 ft. Rain. .SAT NIGHT...S wind 30 kt. Seas 13 ft. .SUN...S wind 30 kt. Seas 12 ft. .MON...S wind 20 kt. Seas 9 ft. .TUE...E wind 20 kt. Seas 7 ft. $$ PKZ756-300100- Port Heiden to Nelson Lagoon out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...SW wind 25 kt diminishing to 15 kt in the afternoon. Seas 6 ft. .TONIGHT...S wind 25 kt. Seas 3 ft. .SAT...S wind 30 kt. Seas 3 ft. .SAT NIGHT...SE wind 30 kt. Seas 4 ft. .SUN...SE wind 35 kt. Seas 5 ft. .MON...SE wind 15 kt. Seas 3 ft. .TUE...E wind 15 kt. Seas 4 ft. $$ PKZ757-300100- Port Heiden to Nelson Lagoon from 15 to 60 NM- 347 AM AKDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...SW wind 20 kt. Seas 6 ft. .TONIGHT...S wind 25 kt. Seas 5 ft. .SAT...SE wind 30 kt. Seas 8 ft. Rain. .SAT NIGHT...S wind 35 kt. Seas 9 ft. .SUN...S wind 35 kt. Seas 9 ft. .MON...S wind 20 kt. Seas 6 ft. .TUE...NE wind 20 kt. Seas 4 ft. $$ PKZ758-300100- Nelson Lagoon to Cape Sarichef out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING SATURDAY... .TODAY...SW wind 20 kt. Seas 5 ft. .TONIGHT...S wind 30 kt. Seas 4 ft. Rain. .SAT...S wind 35 kt. Seas 5 ft. Rain. .SAT NIGHT...SE wind 30 kt. Seas 5 ft. .SUN...S wind 30 kt. Seas 5 ft. .MON...W wind 15 kt. Seas 5 ft. .TUE...N wind 20 kt. Seas 6 ft. $$ PKZ759-300100- Nelson Lagoon to Cape Sarichef from 15 to 70 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TONIGHT AND SATURDAY... .TODAY...SW wind 15 kt becoming S 25 kt in the afternoon. Seas 5 ft. .TONIGHT...S wind 35 kt. Seas 8 ft. Rain. .SAT...S wind 35 kt. Seas 10 ft. Rain. .SAT NIGHT...S wind 35 kt. Seas 10 ft. .SUN...S wind 35 kt. Seas 10 ft. .MON...SW wind 20 kt. Seas 6 ft. .TUE...N wind 25 kt. Seas 6 ft. $$ PKZ770-300100- Cape Sarichef to Nikolski Bering Side out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TONIGHT AND SATURDAY... .TODAY...S wind 20 kt increasing to 30 kt in the afternoon. Seas 4 ft. .TONIGHT...S wind 40 kt. Seas 7 ft. Rain. .SAT...S wind 35 kt. Seas 6 ft. Rain. .SAT NIGHT...S wind 30 kt. Seas 5 ft. .SUN...S wind 30 kt. Seas 5 ft. .MON...Variable wind 10 kt. Seas 5 ft. .TUE...N wind 25 kt. Seas 5 ft. $$ PKZ772-300100- Cape Sarichef to Nikolski Bering Side from 15 to 85 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING THROUGH SATURDAY... .TODAY...S wind 20 kt increasing to 35 kt in the afternoon. Seas 6 ft. Rain. .TONIGHT...S wind 40 kt. Seas 13 ft. Rain. .SAT...S wind 40 kt. Seas 12 ft. .SAT NIGHT...S wind 30 kt. Seas 8 ft. .SUN...S wind 25 kt. Seas 9 ft. .MON...SW wind 15 kt. Seas 6 ft. .TUE...N wind 20 kt. Seas 5 ft. $$ PKZ771-300100- Unalaska Bay- 347 AM AKDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...S wind 10 kt increasing to 20 kt in the afternoon. Seas 3 ft. .TONIGHT...S wind 30 kt. Seas 4 ft. Rain. .SAT...S wind 25 kt. Seas 4 ft. Rain. .SAT NIGHT...S wind 20 kt. Seas 2 ft. .SUN...S wind 15 kt. Seas 2 ft. .MON...Variable wind less than 10 kt. Seas 3 ft. .TUE...N wind 15 kt. Seas 4 ft. $$ PKZ773-300100- Cape Sarichef to Nikolski Pacific Side out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TONIGHT AND SATURDAY... .TODAY...SW wind 15 kt becoming S 25 kt in the afternoon. Seas 5 ft. .TONIGHT...S wind 35 kt. Seas 13 ft. Rain. .SAT...S wind 35 kt. Seas 13 ft. Rain. .SAT NIGHT...S wind 30 kt. Seas 12 ft. .SUN...S wind 25 kt. Seas 11 ft. .MON...Variable wind 10 kt. Seas 7 ft. .TUE...N wind 25 kt. Seas 5 ft. $$ PKZ774-300100- Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TONIGHT AND SATURDAY... .TODAY...SW wind 15 kt becoming S 25 kt in the afternoon. Seas 6 ft. .TONIGHT...S wind 35 kt. Seas 8 ft building to 14 ft after midnight. Rain. .SAT...S wind 35 kt. Seas 15 ft. Rain. .SAT NIGHT...S wind 30 kt. Seas 14 ft. .SUN...S wind 30 kt. Seas 14 ft. .MON...NW wind 15 kt. Seas 8 ft. .TUE...N wind 25 kt. Seas 7 ft. $$ PKZ775-300100- Nikolski to Seguam Bering Side out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 30 kt increasing to 45 kt in the afternoon. Seas 6 ft building to 12 ft in the afternoon. Rain. .TONIGHT...S wind 40 kt. Seas 14 ft. Rain. .SAT...S wind 25 kt. Seas 10 ft. .SAT NIGHT...S wind 25 kt. Seas 9 ft. .SUN...SW wind 25 kt. Seas 8 ft. .MON...Variable wind 10 kt. Seas 7 ft. .TUE...NW wind 15 kt. Seas 5 ft. $$ PKZ776-300100- Nikolski to Seguam Bering Side from 15 to 85 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 35 kt increasing to 45 kt in the afternoon. Seas 7 ft building to 14 ft in the afternoon. Rain. .TONIGHT...S wind 40 kt. Seas 14 ft. .SAT...S wind 30 kt. Seas 10 ft. .SAT NIGHT...S wind 30 kt. Seas 10 ft. .SUN...SW wind 25 kt. Seas 9 ft. .MON...SW wind 20 kt. Seas 8 ft. .TUE...Variable wind 10 kt. Seas 5 ft. $$ PKZ777-300100- Nikolski to Seguam Pacfic Side out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 35 kt increasing to 45 kt in the afternoon. Seas 6 ft building to 12 ft in the afternoon. Rain. .TONIGHT...S wind 40 kt. Seas 16 ft. Rain. .SAT...S wind 25 kt. Seas 14 ft. .SAT NIGHT...S wind 25 kt. Seas 11 ft. .SUN...SW wind 25 kt. Seas 11 ft. .MON...SW wind 15 kt. Seas 7 ft. .TUE...NW wind 20 kt. Seas 5 ft. $$ PKZ778-300100- Nikolski to Seguam Pacific Side from 15 to 75 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 30 kt increasing to 45 kt in the afternoon. Seas 6 ft building to 12 ft in the afternoon. Isolated thunderstorms in the afternoon. .TONIGHT...S wind 40 kt. Seas 17 ft. Rain. .SAT...S wind 25 kt. Seas 15 ft. .SAT NIGHT...S wind 25 kt. Seas 13 ft. .SUN...SW wind 25 kt. Seas 12 ft. .MON...W wind 15 kt. Seas 7 ft. .TUE...N wind 20 kt. Seas 5 ft. $$ PKZ780-300100- Seguam to Adak Bering Side out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TODAY... .TODAY...S wind 45 kt. Seas 10 ft. Isolated thunderstorms. .TONIGHT...S wind 30 kt. Seas 6 ft. .SAT...S wind 30 kt. Seas 6 ft. .SAT NIGHT...S wind 30 kt. Seas 6 ft. .SUN...SW wind 25 kt. Seas 8 ft. .MON...SW wind 15 kt. Seas 6 ft. .TUE...Variable wind 10 kt. Seas 4 ft. $$ PKZ781-300100- Seguam to Adak Bering Side from 15 to 85 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TODAY... .TODAY...S wind 45 kt. Seas 13 ft. Isolated thunderstorms in the morning. .TONIGHT...S wind 30 kt. Seas 10 ft. .SAT...S wind 30 kt. Seas 11 ft. .SAT NIGHT...S wind 30 kt. Seas 9 ft. .SUN...SW wind 25 kt. Seas 11 ft. .MON...SW wind 20 kt. Seas 8 ft. .TUE...W wind 15 kt. Seas 5 ft. $$ PKZ782-300100- Seguam to Adak Pacific Side out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TODAY... .TODAY...S wind 45 kt. Seas 17 ft. Isolated thunderstorms. .TONIGHT...S wind 30 kt. Seas 16 ft. .SAT...S wind 30 kt. Seas 14 ft. .SAT NIGHT...SW wind 30 kt. Seas 14 ft. .SUN...SW wind 25 kt. Seas 12 ft. .MON...SW wind 15 kt. Seas 6 ft. .TUE...Variable wind 10 kt. Seas 4 ft. $$ PKZ783-300100- Seguam to Adak Pacific Side from 15 to 75 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 45 kt. Seas 18 ft. Isolated thunderstorms. .TONIGHT...S wind 35 kt. Seas 17 ft. .SAT...S wind 30 kt. Seas 17 ft. .SAT NIGHT...SW wind 30 kt. Seas 15 ft. .SUN...SW wind 25 kt. Seas 12 ft. .MON...SW wind 15 kt. Seas 7 ft. .TUE...Variable wind 10 kt. Seas 4 ft. $$ PKZ784-300100- Adak to Kiska Bering Side- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TODAY... .TODAY...S wind 45 kt diminishing to 30 kt in the afternoon. Seas 14 ft. Isolated thunderstorms in the morning. .TONIGHT...S wind 30 kt. Seas 14 ft. Rain showers. .SAT...SW wind 30 kt. Seas 13 ft. .SAT NIGHT...W wind 30 kt. Seas 14 ft. .SUN...W wind 30 kt. Seas 14 ft. .MON...SW wind 20 kt. Seas 8 ft. .TUE...SW wind 15 kt. Seas 5 ft. $$ PKZ785-300100- Adak to Kiska Pacific Side- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 45 kt diminishing to 30 kt in the afternoon. Seas 17 ft. Isolated thunderstorms in the morning. .TONIGHT...S wind 35 kt. Seas 19 ft. Rain showers. .SAT...SW wind 30 kt. Seas 19 ft. .SAT NIGHT...W wind 30 kt. Seas 14 ft. .SUN...W wind 25 kt. Seas 13 ft. .MON THROUGH TUE...SW wind 15 kt. Seas 6 ft. $$ PKZ786-300100- Kiska to Attu Bering Side- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TONIGHT AND SATURDAY... .TODAY...S wind 30 kt. Seas 13 ft. Rain. .TONIGHT...NW wind 35 kt. Seas 17 ft. Rain. .SAT...NW wind 35 kt. Seas 17 ft. .SAT NIGHT...NW wind 35 kt. Seas 17 ft. .SUN...W wind 30 kt. Seas 14 ft. .MON...W wind 20 kt. Seas 8 ft. .TUE...S wind 15 kt. Seas 6 ft. $$ PKZ787-300100- Kiska to Attu Pacific Side- 347 AM AKDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...S wind 30 kt. Seas 18 ft. Rain. .TONIGHT...W wind 30 kt. Seas 19 ft. .SAT...NW wind 30 kt. Seas 16 ft. .SAT NIGHT...NW wind 30 kt. Seas 16 ft. .SUN...W wind 25 kt. Seas 13 ft. .MON...SW wind 15 kt. Seas 7 ft. .TUE...S wind 20 kt. Seas 5 ft. $$ PKZ766-300100- Pribilof Islands Nearshore Waters- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 20 kt becoming SE 35 kt in the afternoon. Seas 7 ft. Rain. .TONIGHT...SE wind 40 kt. Seas 16 ft. Rain. .SAT...S wind 30 kt. Seas 15 ft. .SAT NIGHT...S wind 30 kt. Seas 12 ft. .SUN...S wind 30 kt. Seas 12 ft. .MON...S wind 25 kt. Seas 9 ft. .TUE...SW wind 20 kt. Seas 8 ft. $$ PKZ760-300100- Bristol Bay greater than 15 NM- 347 AM AKDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...SW wind 20 kt. Seas 6 ft. .TONIGHT...S wind 10 kt becoming SE after midnight. Seas 3 ft. .SAT...SE wind 25 kt. Seas 5 ft. Rain. .SAT NIGHT...SE wind 25 kt. Seas 7 ft. .SUN...SE wind 25 kt. Seas 7 ft. .MON...S wind 20 kt. Seas 6 ft. .TUE...E wind 15 kt. Seas 3 ft. $$ PKZ761-300100- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SW wind 25 kt. Seas 5 ft. .TONIGHT...S wind 10 kt becoming SE after midnight. Seas 3 ft. .SAT...SE wind 20 kt. Seas 3 ft. .SAT NIGHT...SE wind 20 kt. Seas 3 ft. .SUN THROUGH MON...SE wind 25 kt. Seas 4 ft. .TUE...SE wind 20 kt. Seas 3 ft. $$ PKZ762-300100- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...W wind 20 kt. Seas 2 ft. .TONIGHT...S wind 10 kt becoming SE 20 kt after midnight. Seas 2 ft. Rain. .SAT...SE wind 25 kt. Seas 4 ft. Rain. .SAT NIGHT...SE wind 30 kt. Seas 5 ft. .SUN...SE wind 30 kt. Seas 6 ft. .MON...S wind 25 kt. Seas 5 ft. .TUE...E wind 20 kt. Seas 2 ft. $$ PKZ763-300100- Kuskokwim Delta and Etolin Strait out to 15 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING SATURDAY... .TODAY...SW wind 10 kt becoming S in the afternoon. Seas 2 ft. .TONIGHT...S wind 20 kt becoming SE 30 kt after midnight. Seas 5 ft. Rain. .SAT...S wind 35 kt. Seas 9 ft. Rain. .SAT NIGHT...S wind 30 kt. Seas 9 ft. .SUN...S wind 30 kt. Seas 7 ft. .MON...S wind 25 kt. Seas 6 ft. .TUE...SW wind 20 kt. Seas 4 ft. $$ PKZ764-300100- Kuskokwim Delta from 15 to 80 NM- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TONIGHT AND SATURDAY... .TODAY...SW wind 15 kt. Seas 5 ft. .TONIGHT...S wind 35 kt. Seas 5 ft building to 10 ft after midnight. Rain. .SAT...S wind 35 kt. Seas 13 ft. Rain. .SAT NIGHT...S wind 30 kt. Seas 13 ft. .SUN...S wind 30 kt. Seas 11 ft. .MON...S wind 25 kt. Seas 8 ft. .TUE...W wind 20 kt. Seas 7 ft. $$ PKZ765-300100- North and West of Nunivak Island- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TONIGHT... .TODAY...S wind 15 kt. Seas 4 ft. .TONIGHT...SE wind 35 kt. Seas 6 ft building to 10 ft after midnight. Rain. .SAT...S wind 30 kt. Seas 14 ft. Rain. .SAT NIGHT...S wind 30 kt. Seas 12 ft. .SUN...S wind 25 kt. Seas 11 ft. .MON THROUGH TUE...SW wind 30 kt. Seas 11 ft. $$ PKZ767-300100- Saint Matthew Island Waters- 347 AM AKDT Fri Aug 29 2025 ...GALE WARNING TONIGHT... .TODAY...SE wind 20 kt increasing to 30 kt in the afternoon. Seas 6 ft. .TONIGHT...E wind 35 kt. Seas 14 ft. Rain. .SAT...SE wind 30 kt. Seas 13 ft. Rain. .SAT NIGHT...SE wind 25 kt. Seas 11 ft. .SUN...SE wind 25 kt. Seas 11 ft. .MON THROUGH TUE...SW wind 30 kt. Seas 13 ft. $$