Coastal Waters Forecast
Issued by NWS
Issued by NWS
011 FZAK52 PAFC 211212 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 312 AM AKST Fri Nov 21 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. PKZ199-220115- 312 AM AKST Fri Nov 21 2025 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A compact 984 mb low 150 nm NE of Cold Bay moves near Chignik by Fri afternoon and then continues into the Gulf of Alaska. Its front in the E. Aleutians moves inland by Fri afternoon. Two lows both near 975 mb arrive Fri afternoon 200 nm S of Attu. They merge and move 190 nm SW of Amchitka at 971 mb by Sat morning. $$ PKZ750-220115- Sitkinak to Castle Cape out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 25 kt. Seas 9 ft. .TONIGHT...NW wind 25 kt. Seas 8 ft. .SAT...NW wind 25 kt. Seas 7 ft. Patchy fog. .SAT NIGHT...NW wind 20 kt. Seas 5 ft. .SUN...NE wind 25 kt. Seas 6 ft. .MON...E wind 35 kt. Seas 14 ft. .TUE...E wind 30 kt. Seas 9 ft. $$ PKZ751-220115- Sitkinak to Castle Cape from 15 to 100 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 30 kt. Seas 17 ft. Snow showers and rain showers. .TONIGHT...W wind 30 kt. Seas 17 ft. Snow showers and rain showers. .SAT...NW wind 30 kt. Seas 14 ft. .SAT NIGHT...NW wind 25 kt. Seas 10 ft. .SUN...S wind 30 kt. Seas 9 ft. .MON...E wind 35 kt. Seas 15 ft. .TUE...SE wind 25 kt. Seas 13 ft. $$ PKZ752-220115- Castle Cape to Cape Tolstoi out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 30 kt. Seas 8 ft. Snow showers. .TONIGHT...W wind 25 kt. Seas 7 ft. Patchy fog. .SAT...NW wind 25 kt. Seas 5 ft. Patchy fog. .SAT NIGHT...NW wind 20 kt. Seas 3 ft. .SUN...NE wind 35 kt. Seas 9 ft. .MON...E wind 35 kt. Seas 14 ft. .TUE...E wind 25 kt. Seas 11 ft. $$ PKZ753-220115- Castle Cape to Cape Tolstoi from 15 to 100 NM- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING TODAY... .TODAY...W wind 35 kt. Seas 18 ft. Snow showers and rain showers. .TONIGHT...W wind 30 kt. Seas 17 ft. .SAT...NW wind 25 kt. Seas 13 ft. .SAT NIGHT...NW wind 25 kt. Seas 10 ft. .SUN THROUGH MON...SE wind 40 kt. Seas 14 ft. .TUE...SE wind 25 kt. Seas 15 ft. $$ PKZ754-220115- Cape Tolstoi to Cape Sarichef out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 30 kt. Seas 11 ft. Snow showers. .TONIGHT...NW wind 25 kt. Seas 8 ft. .SAT...NW wind 25 kt. Seas 6 ft. .SAT NIGHT...N wind 20 kt. Seas 4 ft. .SUN THROUGH MON...E wind 40 kt. Seas 13 ft. .TUE...E wind 25 kt. Seas 12 ft. $$ PKZ755-220115- Cape Tolstoi to Cape Sarichef from 15 to 100 NM- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING TODAY... .TODAY...W wind 35 kt. Seas 18 ft. Snow showers and rain showers. .TONIGHT...NW wind 30 kt. Seas 16 ft. Snow showers. .SAT...NW wind 25 kt. Seas 12 ft. .SAT NIGHT...NW wind 20 kt. Seas 8 ft. .SUN THROUGH MON...SE wind 40 kt. Seas 15 ft. .TUE...SE wind 30 kt. Seas 16 ft. $$ PKZ756-220115- Port Heiden to Nelson Lagoon out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 30 kt. Seas 13 ft. Widespread snow and rain showers. .TONIGHT...NW wind 30 kt. Seas 12 ft. Patchy fog. Widespread snow showers. .SAT...NW wind 25 kt. Seas 11 ft. Patchy fog. Snow showers. .SAT NIGHT...NW wind 20 kt. Seas 9 ft. .SUN...NE wind 30 kt. Seas 6 ft. .MON...E wind 35 kt. Seas 8 ft. .TUE...E wind 30 kt. Seas 5 ft. $$ PKZ757-220115- Port Heiden to Nelson Lagoon from 15 to 60 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 14 ft. Widespread snow and rain showers. .TONIGHT...NW wind 30 kt. Seas 14 ft. Patchy fog. Snow showers. .SAT...NW wind 25 kt. Seas 11 ft. Patchy fog. .SAT NIGHT...N wind 25 kt. Seas 10 ft. .SUN...NE wind 30 kt. Seas 7 ft. .MON...E wind 40 kt. Seas 13 ft. .TUE...E wind 30 kt. Seas 8 ft. $$ PKZ758-220115- Nelson Lagoon to Cape Sarichef out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING TODAY... .TODAY...W wind 35 kt. Seas 15 ft. Widespread snow and rain showers. .TONIGHT...NW wind 30 kt. Seas 14 ft. Widespread snow showers. .SAT...NW wind 25 kt. Seas 11 ft. Snow showers. .SAT NIGHT...N wind 20 kt. Seas 8 ft. .SUN THROUGH MON...E wind 35 kt. Seas 8 ft. .TUE...E wind 30 kt. Seas 6 ft. $$ PKZ759-220115- Nelson Lagoon to Cape Sarichef from 15 to 70 NM- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING TODAY... .TODAY...W wind 35 kt. Seas 18 ft. Snow showers. .TONIGHT...NW wind 30 kt. Seas 15 ft. Snow showers. .SAT...NW wind 25 kt. Seas 12 ft. .SAT NIGHT...N wind 20 kt. Seas 9 ft. .SUN THROUGH MON...E wind 35 kt. Seas 11 ft. .TUE...E wind 30 kt. Seas 9 ft. $$ PKZ770-220115- Cape Sarichef to Nikolski Bering Side out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 30 kt. Seas 13 ft. Widespread snow showers. .TONIGHT...NW wind 25 kt. Seas 13 ft. Snow showers. .SAT...NW wind 20 kt. Seas 10 ft. .SAT NIGHT...NE wind 20 kt. Seas 8 ft. .SUN THROUGH MON...E wind 30 kt. Seas 10 ft. .TUE...E wind 25 kt. Seas 7 ft. $$ PKZ772-220115- Cape Sarichef to Nikolski Bering Side from 15 to 85 NM- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING TODAY... .TODAY...NW wind 35 kt. Seas 15 ft. Snow showers. .TONIGHT...NW wind 25 kt. Seas 13 ft. .SAT...NW wind 20 kt. Seas 11 ft. .SAT NIGHT...NE wind 25 kt. Seas 8 ft. .SUN THROUGH MON...E wind 35 kt. Seas 13 ft. .TUE...NE wind 25 kt. Seas 9 ft. $$ PKZ771-220115- Unalaska Bay- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...W wind 30 kt. Gusts to 40 kt. Seas 5 ft. Widespread snow showers. .TONIGHT...NW wind 25 kt. Gusts to 35 kt. Seas 10 ft. Widespread snow showers. .SAT...NW wind 20 kt. Gusts to 30 kt. Seas 7 ft. .SAT NIGHT...NE wind 10 kt. Seas 3 ft. .SUN THROUGH MON...E wind 30 kt. Seas 5 ft. .TUE...E wind 20 kt. Seas 3 ft. $$ PKZ773-220115- Cape Sarichef to Nikolski Pacific Side out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 30 kt. Seas 13 ft. Snow showers. .TONIGHT...NW wind 25 kt. Seas 10 ft. .SAT...NW wind 25 kt. Seas 7 ft. .SAT NIGHT...NE wind 25 kt. Seas 5 ft. .SUN THROUGH MON...E wind 35 kt. Seas 15 ft. .TUE...E wind 25 kt. Seas 12 ft. $$ PKZ774-220115- Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 30 kt. Seas 17 ft. Snow showers and rain showers. .TONIGHT...NW wind 30 kt. Seas 13 ft. .SAT...NW wind 25 kt. Seas 10 ft. .SAT NIGHT...NE wind 25 kt. Seas 6 ft. .SUN...E wind 40 kt. Seas 14 ft. .MON...E wind 30 kt. Seas 16 ft. .TUE...E wind 25 kt. Seas 16 ft. $$ PKZ775-220115- Nikolski to Seguam Bering Side out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 30 kt. Seas 13 ft. Snow showers. .TONIGHT...NW wind 25 kt. Seas 13 ft. .SAT...N wind 15 kt becoming E 25 kt in the afternoon. Seas 9 ft. .SAT NIGHT...E wind 40 kt. Seas 11 ft. .SUN...E wind 40 kt. Seas 15 ft. .MON...NE wind 30 kt. Seas 15 ft. .TUE...N wind 20 kt. Seas 12 ft. $$ PKZ776-220115- Nikolski to Seguam Bering Side from 15 to 85 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 14 ft. Snow showers. .TONIGHT...NW wind 25 kt. Seas 13 ft. .SAT...N wind 15 kt becoming E in the afternoon. Seas 9 ft. .SAT NIGHT...E wind 35 kt. Seas 11 ft. .SUN...E wind 40 kt. Seas 16 ft. .MON...NE wind 35 kt. Seas 16 ft. .TUE...N wind 20 kt. Seas 12 ft. $$ PKZ777-220115- Nikolski to Seguam Pacfic Side out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 14 ft. Snow showers and rain showers. .TONIGHT...NW wind 25 kt. Seas 12 ft. .SAT...N wind 15 kt becoming E 25 kt in the afternoon. Seas 9 ft. .SAT NIGHT...E wind 40 kt. Seas 12 ft. .SUN...E wind 40 kt. Seas 18 ft. .MON...NE wind 30 kt. Seas 18 ft. .TUE...N wind 20 kt. Seas 12 ft. $$ PKZ778-220115- Nikolski to Seguam Pacific Side from 15 to 75 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 30 kt. Seas 16 ft. Snow showers and rain showers. .TONIGHT...NW wind 25 kt. Seas 13 ft. .SAT...NW wind 15 kt becoming E 25 kt in the afternoon. Seas 9 ft. .SAT NIGHT...E wind 40 kt. Seas 13 ft. .SUN...E wind 40 kt. Seas 18 ft. .MON...NE wind 20 kt. Seas 18 ft. .TUE...NW wind 25 kt. Seas 13 ft. $$ PKZ780-220115- Seguam to Adak Bering Side out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING SATURDAY... .TODAY...W wind 25 kt. Seas 11 ft. .TONIGHT...W wind 20 kt in the evening becoming variable 10 kt. Seas 10 ft. .SAT...SE wind 25 kt increasing to 40 kt in the afternoon. Seas 8 ft. .SAT NIGHT...E wind 45 kt. Seas 13 ft. .SUN...E wind 45 kt. Seas 16 ft. .MON THROUGH TUE...NW wind 30 kt. Seas 14 ft. $$ PKZ781-220115- Seguam to Adak Bering Side from 15 to 85 NM- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING SATURDAY... .TODAY...W wind 25 kt. Seas 12 ft. .TONIGHT...W wind 20 kt. Seas 11 ft. .SAT...SE wind 25 kt increasing to 40 kt in the afternoon. Seas 9 ft. .SAT NIGHT...E wind 45 kt. Seas 16 ft. .SUN...E wind 45 kt. Seas 18 ft. .MON THROUGH TUE...NW wind 30 kt. Seas 15 ft. $$ PKZ782-220115- Seguam to Adak Pacific Side out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING SATURDAY... .TODAY...W wind 30 kt. Seas 12 ft. .TONIGHT...NW wind 20 kt in the evening becoming variable 10 kt. Seas 9 ft. .SAT...SE wind 25 kt increasing to 40 kt in the afternoon. Seas 6 ft building to 10 ft in the afternoon. Rain. .SAT NIGHT...E wind 50 kt. Seas 19 ft. .SUN...E wind 45 kt. Seas 21 ft. .MON...N wind 25 kt. Seas 16 ft. .TUE...NW wind 30 kt. Seas 11 ft. $$ PKZ783-220115- Seguam to Adak Pacific Side from 15 to 75 NM- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING SATURDAY... .TODAY...W wind 30 kt. Seas 14 ft. .TONIGHT...NW wind 20 kt becoming S after midnight. Seas 11 ft. .SAT...SE wind 25 kt increasing to 40 kt in the afternoon. Seas 7 ft building to 11 ft in the afternoon. .SAT NIGHT...E wind 50 kt. Seas 22 ft. .SUN...E wind 45 kt. Seas 22 ft. .MON...N wind 30 kt. Seas 18 ft. .TUE...NW wind 30 kt. Seas 12 ft. $$ PKZ784-220115- Adak to Kiska Bering Side- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING SATURDAY... .TODAY...W wind 25 kt diminishing to 15 kt in the afternoon. Seas 10 ft. .TONIGHT...S wind 20 kt. Seas 8 ft. .SAT...SE wind 30 kt becoming E 45 kt in the afternoon. Seas 8 ft building to 13 ft in the afternoon. Rain. .SAT NIGHT...E wind 50 kt. Seas 23 ft. .SUN...E wind 50 kt. Seas 24 ft. .MON...N wind 30 kt. Seas 17 ft. .TUE...NW wind 30 kt. Seas 13 ft. $$ PKZ785-220115- Adak to Kiska Pacific Side- 312 AM AKST Fri Nov 21 2025 ...STORM WARNING SATURDAY... .TODAY...W wind 25 kt. Seas 12 ft. .TONIGHT...SW wind 15 kt becoming SE 25 kt after midnight. Seas 9 ft. .SAT...SE wind 35 kt becoming E 50 kt in the afternoon. Seas 9 ft building to 17 ft in the afternoon. Rain. .SAT NIGHT...E wind 50 kt. Seas 23 ft. .SUN...E wind 45 kt. Seas 23 ft. .MON...N wind 30 kt. Seas 16 ft. .TUE...NW wind 30 kt. Seas 12 ft. $$ PKZ786-220115- Kiska to Attu Bering Side- 312 AM AKST Fri Nov 21 2025 ...GALE WARNING SATURDAY... .TODAY...S wind 25 kt. Seas 9 ft. .TONIGHT...S wind 30 kt. Seas 10 ft. .SAT...SE wind 30 kt becoming E 45 kt in the afternoon. Seas 13 ft. Rain. .SAT NIGHT...E wind 50 kt. Seas 24 ft. .SUN...NE wind 45 kt. Seas 23 ft. .MON...N wind 25 kt. Seas 17 ft. .TUE...NW wind 30 kt. Seas 11 ft. $$ PKZ787-220115- Kiska to Attu Pacific Side- 312 AM AKST Fri Nov 21 2025 ...STORM WARNING SATURDAY... .TODAY...S wind 25 kt. Seas 10 ft. .TONIGHT...S wind 30 kt. Seas 10 ft. .SAT...SE wind 35 kt becoming E 50 kt in the afternoon. Seas 12 ft building to 17 ft in the afternoon. Rain. .SAT NIGHT...E wind 50 kt. Seas 23 ft. .SUN...NE wind 40 kt. Seas 22 ft. .MON...N wind 25 kt. Seas 16 ft. .TUE...NW wind 30 kt. Seas 10 ft. $$ PKZ766-220115- Pribilof Islands Nearshore Waters- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 14 ft. .TONIGHT...NW wind 25 kt. Seas 11 ft. .SAT...NW wind 20 kt. Seas 9 ft. .SAT NIGHT...NE wind 15 kt. Seas 6 ft. .SUN...NE wind 30 kt. Seas 8 ft. .MON...NE wind 30 kt. Seas 15 ft. .TUE...NE wind 25 kt. Seas 10 ft. $$ PKZ760-220115- Bristol Bay greater than 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 25 kt. Seas 9 ft. Rain showers. .TONIGHT...NW wind 30 kt. Seas 10 ft. Patchy fog. .SAT...NW wind 30 kt. Seas 10 ft. Patchy fog. .SAT NIGHT...N wind 20 kt. Seas 8 ft. .SUN...NE wind 30 kt. Seas 6 ft. .MON...E wind 40 kt. Seas 12 ft. .TUE...E wind 30 kt. Seas 8 ft. $$ PKZ761-220115- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 25 kt diminishing to 15 kt in the afternoon. Seas 9 ft. Snow showers and widespread rain showers. .TONIGHT...NW wind 25 kt. Seas 9 ft. Patchy fog. .SAT...NW wind 25 kt. Seas 9 ft. Patchy fog. .SAT NIGHT...N wind 20 kt. Seas 7 ft. .SUN...NE wind 25 kt. Seas 4 ft. .MON...E wind 35 kt. Seas 7 ft. .TUE...E wind 30 kt. Seas 5 ft. $$ PKZ762-220115- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...W wind 20 kt. Seas 5 ft. Patchy fog. .TONIGHT...NW wind 25 kt. Seas 5 ft. Patchy fog. .SAT...NW wind 25 kt. Seas 5 ft. Patchy freezing fog. Freezing spray. .SAT NIGHT...N wind 20 kt. Seas 3 ft. .SUN...NE wind 30 kt. Seas 5 ft. .MON...E wind 35 kt. Seas 8 ft. .TUE...E wind 30 kt. Seas 6 ft. $$ PKZ763-220115- Kuskokwim Delta and Etolin Strait out to 15 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 6 ft. Snow. .TONIGHT...NW wind 30 kt. Seas 7 ft. Freezing spray. .SAT...NW wind 30 kt. Seas 6 ft. Freezing spray. .SAT NIGHT...N wind 25 kt. Seas 4 ft. .SUN...NE wind 25 kt. Seas 3 ft. .MON...NE wind 35 kt. Seas 7 ft. .TUE...E wind 30 kt. Seas 6 ft. $$ PKZ764-220115- Kuskokwim Delta from 15 to 80 NM- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 11 ft. .TONIGHT...NW wind 30 kt. Seas 11 ft. .SAT...NW wind 30 kt. Seas 10 ft. Freezing spray. .SAT NIGHT...N wind 25 kt. Seas 9 ft. .SUN...NE wind 30 kt. Seas 8 ft. .MON...E wind 40 kt. Seas 15 ft. .TUE...E wind 30 kt. Seas 10 ft. $$ PKZ765-220115- North and West of Nunivak Island- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 12 ft. .TONIGHT...NW wind 30 kt. Seas 11 ft. Freezing spray. .SAT...NW wind 25 kt. Seas 9 ft. Freezing spray. .SAT NIGHT...N wind 15 kt. Seas 6 ft. .SUN...NE wind 25 kt. Seas 6 ft. .MON...NE wind 30 kt. Seas 12 ft. .TUE...E wind 25 kt. Seas 10 ft. $$ PKZ767-220115- Saint Matthew Island Waters- 312 AM AKST Fri Nov 21 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 12 ft. Freezing spray. .TONIGHT...NW wind 25 kt. Seas 10 ft. Freezing spray. .SAT...NW wind 20 kt E of Saint Matthew Island... SW 25 kt W of Saint Matthew Island. Seas 8 ft. Freezing spray. .SAT NIGHT...SE wind 20 kt. Seas 8 ft. .SUN...NE wind 25 kt. Seas 8 ft. .MON THROUGH TUE...NE wind 30 kt. Seas 13 ft. $$