Coastal Waters Forecast
Issued by NWS
Issued by NWS
147 FZAK52 PAFC 201224 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 324 AM AKST Thu Nov 20 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. PKZ199-210145- 324 AM AKST Thu Nov 20 2025 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 945 mb low 75 nm E of Chignik shortly moves into the Gulf of Alaska. A 982 mb low 100 nm S of Adak is quickly assimilated into the 945 mb low`s circulation. A 990 mb low arrives 350 nm S of Shemya by Sat morning. $$ PKZ750-210145- Sitkinak to Castle Cape out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...W wind 40 kt. Seas 18 ft. .TONIGHT...W wind 35 kt. Seas 14 ft. .FRI...W wind 25 kt. Seas 10 ft. .FRI NIGHT...W wind 30 kt. Seas 9 ft. .SAT...NW wind 25 kt. Seas 8 ft. .SUN...N wind 20 kt. Seas 4 ft. .MON...E wind 35 kt. Seas 12 ft. $$ PKZ751-210145- Sitkinak to Castle Cape from 15 to 100 NM- 324 AM AKST Thu Nov 20 2025 ...STORM WARNING TODAY... .TODAY...W wind 50 kt. Seas 31 ft. .TONIGHT...W wind 35 kt. Seas 22 ft. Rain showers and snow showers. .FRI...W wind 25 kt. Seas 17 ft. Snow showers and rain showers. .FRI NIGHT...W wind 30 kt. Seas 17 ft. .SAT...NW wind 30 kt. Seas 14 ft. .SUN...NW wind 25 kt. Seas 7 ft. .MON...SE wind 40 kt. Seas 15 ft. $$ PKZ752-210145- Castle Cape to Cape Tolstoi out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING TODAY... .TODAY...W wind 45 kt diminishing to 35 kt in the afternoon. Seas 12 ft. .TONIGHT...W wind 30 kt. Seas 9 ft. .FRI...W wind 30 kt. Seas 7 ft. .FRI NIGHT...W wind 30 kt. Seas 7 ft. .SAT...NW wind 25 kt. Seas 6 ft. .SUN...NE wind 25 kt. Seas 4 ft. .MON...E wind 30 kt. Seas 12 ft. $$ PKZ753-210145- Castle Cape to Cape Tolstoi from 15 to 100 NM- 324 AM AKST Thu Nov 20 2025 ...STORM WARNING TODAY... .TODAY...W wind 50 kt diminishing to 35 kt in the afternoon. Seas 26 ft. .TONIGHT...W wind 35 kt. Seas 19 ft. Rain showers and snow showers. .FRI...W wind 30 kt increasing to 40 kt in the afternoon. Seas 19 ft. Snow showers and rain showers. .FRI NIGHT...W wind 30 kt. Seas 17 ft. .SAT...NW wind 30 kt. Seas 13 ft. .SUN...E wind 30 kt. Seas 7 ft. .MON...SE wind 40 kt. Seas 15 ft. $$ PKZ754-210145- Cape Tolstoi to Cape Sarichef out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING THROUGH FRIDAY... .TODAY...W wind 35 kt diminishing to 25 kt in the afternoon. Seas 15 ft. .TONIGHT...W wind 25 kt increasing to 35 kt after midnight. Seas 12 ft. Snow showers. .FRI...W wind 35 kt. Seas 12 ft. Snow showers. .FRI NIGHT...NW wind 25 kt. Seas 9 ft. .SAT...NW wind 25 kt. Seas 7 ft. .SUN...NE wind 30 kt. Seas 7 ft. .MON...E wind 35 kt. Seas 11 ft. $$ PKZ755-210145- Cape Tolstoi to Cape Sarichef from 15 to 100 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING THROUGH FRIDAY... .TODAY...W wind 35 kt. Seas 23 ft. .TONIGHT...W wind 35 kt. Seas 18 ft. Rain showers and snow showers. .FRI...W wind 35 kt. Seas 19 ft. Snow showers and rain showers. .FRI NIGHT...NW wind 30 kt. Seas 16 ft. .SAT...NW wind 25 kt. Seas 12 ft. .SUN...E wind 40 kt. Seas 10 ft. .MON...SE wind 40 kt. Seas 15 ft. $$ PKZ756-210145- Port Heiden to Nelson Lagoon out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...W wind 35 kt. Seas 12 ft. Rain showers and snow showers. .TONIGHT...W wind 35 kt. Seas 13 ft. Snow showers and rain showers. .FRI...W wind 30 kt. Seas 13 ft. Snow showers and rain showers. .FRI NIGHT...NW wind 30 kt. Seas 13 ft. .SAT...NW wind 25 kt. Seas 12 ft. .SUN...NE wind 25 kt. Seas 7 ft. .MON...E wind 30 kt. Seas 10 ft. $$ PKZ757-210145- Port Heiden to Nelson Lagoon from 15 to 60 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...NW wind 35 kt. Seas 13 ft. .TONIGHT...W wind 35 kt. Seas 14 ft. Snow showers and rain showers. .FRI...W wind 30 kt. Seas 15 ft. Snow showers and rain showers. .FRI NIGHT...NW wind 30 kt. Seas 14 ft. .SAT...NW wind 30 kt. Seas 13 ft. .SUN...NE wind 25 kt. Seas 8 ft. .MON...E wind 40 kt. Seas 13 ft. $$ PKZ758-210145- Nelson Lagoon to Cape Sarichef out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING FRIDAY... .TODAY...W wind 30 kt. Seas 11 ft. Snow showers. .TONIGHT...W wind 30 kt. Seas 13 ft. Snow showers with rain showers. .FRI...W wind 35 kt. Seas 16 ft. Snow showers. .FRI NIGHT...NW wind 30 kt. Seas 13 ft. .SAT...N wind 25 kt. Seas 12 ft. .SUN...NE wind 30 kt. Seas 7 ft. .MON...E wind 35 kt. Seas 11 ft. $$ PKZ759-210145- Nelson Lagoon to Cape Sarichef from 15 to 70 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING TONIGHT AND FRIDAY... .TODAY...W wind 30 kt. Seas 13 ft. .TONIGHT...W wind 35 kt. Seas 15 ft. Snow showers. .FRI...NW wind 40 kt diminishing to 30 kt in the afternoon. Seas 18 ft. Snow showers. .FRI NIGHT...NW wind 30 kt. Seas 15 ft. .SAT...N wind 25 kt. Seas 13 ft. .SUN...NE wind 30 kt. Seas 8 ft. .MON...E wind 35 kt. Seas 14 ft. $$ PKZ770-210145- Cape Sarichef to Nikolski Bering Side out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...W wind 25 kt. Seas 9 ft. Rain showers and snow showers. .TONIGHT...NW wind 30 kt. Seas 14 ft. Snow showers and rain showers. .FRI...NW wind 30 kt. Seas 15 ft. Snow showers. .FRI NIGHT...NW wind 30 kt. Seas 12 ft. .SAT...N wind 25 kt. Seas 11 ft. .SUN...E wind 35 kt. Seas 8 ft. .MON...NE wind 35 kt. Seas 14 ft. $$ PKZ772-210145- Cape Sarichef to Nikolski Bering Side from 15 to 85 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING TONIGHT AND FRIDAY... .TODAY...NW wind 30 kt. Seas 12 ft. Rain showers and snow showers. .TONIGHT...W wind 35 kt. Seas 15 ft. Snow showers. .FRI...NW wind 35 kt. Seas 16 ft. Snow showers. .FRI NIGHT...NW wind 30 kt. Seas 13 ft. .SAT...N wind 25 kt. Seas 11 ft. .SUN...NE wind 35 kt. Seas 10 ft. .MON...NE wind 35 kt. Seas 14 ft. $$ PKZ771-210145- Unalaska Bay- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 25 kt. Seas 4 ft building to 8 ft in the afternoon. Rain showers and snow showers. .TONIGHT...NW wind 30 kt. Gusts to 40 kt after midnight. Seas 9 ft. Snow showers. .FRI...W wind 30 kt. Gusts to 40 kt early. Seas 9 ft. Snow showers. .FRI NIGHT...NW wind 25 kt. Seas 10 ft. .SAT...N wind 20 kt. Seas 8 ft. .SUN THROUGH MON...NE wind 30 kt. Seas 6 ft. $$ PKZ773-210145- Cape Sarichef to Nikolski Pacific Side out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING TONIGHT... .TODAY...W wind 25 kt. Seas 16 ft. .TONIGHT...W wind 35 kt. Seas 14 ft. Snow showers. .FRI...W wind 30 kt. Seas 13 ft. Snow showers. .FRI NIGHT...NW wind 25 kt. Seas 10 ft. .SAT...N wind 25 kt. Seas 8 ft. .SUN THROUGH MON...NE wind 35 kt. Seas 14 ft. $$ PKZ774-210145- Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING FRIDAY... .TODAY...NW wind 25 kt. Seas 19 ft. Rain showers and snow showers. .TONIGHT...NW wind 30 kt. Seas 18 ft. .FRI...W wind 35 kt. Seas 17 ft. Snow showers and rain showers. .FRI NIGHT...NW wind 30 kt. Seas 13 ft. .SAT...N wind 25 kt. Seas 10 ft. .SUN...E wind 40 kt. Seas 14 ft. .MON...E wind 40 kt. Seas 18 ft. $$ PKZ775-210145- Nikolski to Seguam Bering Side out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 25 kt. Seas 13 ft. .TONIGHT...NW wind 30 kt. Seas 14 ft. Snow showers. .FRI...W wind 30 kt. Seas 14 ft. Snow showers. .FRI NIGHT...NW wind 25 kt. Seas 12 ft. .SAT...E wind 35 kt. Seas 8 ft. .SUN...E wind 35 kt. Seas 13 ft. .MON...N wind 30 kt. Seas 15 ft. $$ PKZ776-210145- Nikolski to Seguam Bering Side from 15 to 85 NM- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 25 kt. Seas 13 ft. Snow showers. .TONIGHT...NW wind 30 kt. Seas 15 ft. Snow showers. .FRI...W wind 30 kt. Seas 15 ft. Snow showers. .FRI NIGHT...NW wind 25 kt. Seas 13 ft. .SAT...E wind 35 kt. Seas 9 ft. .SUN...E wind 35 kt. Seas 14 ft. .MON...N wind 30 kt. Seas 15 ft. $$ PKZ777-210145- Nikolski to Seguam Pacfic Side out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 25 kt. Seas 17 ft. .TONIGHT...NW wind 30 kt. Seas 17 ft. Snow showers. .FRI...W wind 30 kt. Seas 15 ft. Snow showers and rain showers. .FRI NIGHT...NW wind 25 kt. Seas 12 ft. .SAT...E wind 35 kt. Seas 8 ft. .SUN...E wind 40 kt. Seas 16 ft. .MON...N wind 30 kt. Seas 17 ft. $$ PKZ778-210145- Nikolski to Seguam Pacific Side from 15 to 75 NM- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 20 kt increasing to 30 kt in the afternoon. Seas 20 ft. .TONIGHT...NW wind 30 kt. Seas 20 ft. Snow showers. .FRI...W wind 30 kt. Seas 17 ft. Snow showers and rain showers. .FRI NIGHT...NW wind 30 kt. Seas 13 ft. .SAT...E wind 35 kt. Seas 9 ft. .SUN...E wind 40 kt. Seas 18 ft. .MON...N wind 30 kt. Seas 19 ft. $$ PKZ780-210145- Seguam to Adak Bering Side out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 25 kt. Seas 10 ft. .TONIGHT...W wind 30 kt. Seas 11 ft. Snow showers and rain showers. .FRI...W wind 25 kt. Seas 11 ft. .FRI NIGHT...W wind 20 kt. Seas 10 ft. .SAT...SE wind 45 kt. Seas 10 ft. .SUN...NE wind 45 kt. Seas 12 ft. .MON...N wind 25 kt. Seas 13 ft. $$ PKZ781-210145- Seguam to Adak Bering Side from 15 to 85 NM- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 30 kt. Seas 12 ft. .TONIGHT...NW wind 30 kt. Seas 13 ft. Snow showers. .FRI...W wind 30 kt. Seas 13 ft. .FRI NIGHT...W wind 20 kt. Seas 11 ft. .SAT...SE wind 45 kt. Seas 12 ft. .SUN...NE wind 45 kt. Seas 15 ft. .MON...N wind 30 kt. Seas 15 ft. $$ PKZ782-210145- Seguam to Adak Pacific Side out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 25 kt. Seas 18 ft. .TONIGHT...W wind 30 kt. Seas 16 ft. .FRI...W wind 25 kt. Seas 12 ft. .FRI NIGHT...W wind 20 kt. Seas 9 ft. .SAT...SE wind 45 kt. Seas 14 ft. .SUN...E wind 45 kt. Seas 19 ft. .MON...N wind 25 kt. Seas 18 ft. $$ PKZ783-210145- Seguam to Adak Pacific Side from 15 to 75 NM- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 30 kt. Seas 22 ft. .TONIGHT...W wind 30 kt. Seas 19 ft. .FRI...W wind 30 kt. Seas 15 ft. .FRI NIGHT...W wind 20 kt. Seas 11 ft. .SAT...SE wind 50 kt. Seas 17 ft. .SUN...E wind 50 kt. Seas 19 ft. .MON...N wind 25 kt. Seas 18 ft. $$ PKZ784-210145- Adak to Kiska Bering Side- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 25 kt. Seas 14 ft. Snow showers. .TONIGHT...W wind 30 kt. Seas 12 ft. .FRI...W wind 25 kt. Seas 11 ft. .FRI NIGHT...S wind 20 kt. Seas 9 ft. .SAT...SE wind 50 kt. Seas 18 ft. .SUN...NE wind 50 kt. Seas 19 ft. .MON...N wind 30 kt. Seas 17 ft. $$ PKZ785-210145- Adak to Kiska Pacific Side- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 30 kt. Seas 21 ft. .TONIGHT...NW wind 25 kt. Seas 16 ft. .FRI...W wind 25 kt. Seas 12 ft. .FRI NIGHT...S wind 25 kt. Seas 9 ft. .SAT...SE wind 50 kt. Seas 23 ft. .SUN...E wind 50 kt. Seas 23 ft. .MON...N wind 25 kt. Seas 19 ft. $$ PKZ786-210145- Kiska to Attu Bering Side- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 25 kt. Seas 15 ft. .TONIGHT...W wind 25 kt. Seas 11 ft. .FRI...SW wind 20 kt becoming S 30 kt in the afternoon. Seas 9 ft. .FRI NIGHT...S wind 35 kt. Seas 11 ft. .SAT...SE wind 50 kt. Seas 21 ft. .SUN...NE wind 50 kt. Seas 23 ft. .MON...N wind 25 kt. Seas 16 ft. $$ PKZ787-210145- Kiska to Attu Pacific Side- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 30 kt. Seas 17 ft. .TONIGHT...W wind 25 kt. Seas 13 ft. .FRI...SW wind 20 kt increasing to 30 kt in the afternoon. Seas 10 ft. .FRI NIGHT...S wind 30 kt. Seas 11 ft. .SAT...E wind 50 kt. Seas 25 ft. .SUN...NE wind 45 kt. Seas 25 ft. .MON...NW wind 25 kt. Seas 16 ft. $$ PKZ766-210145- Pribilof Islands Nearshore Waters- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING TONIGHT... .TODAY...NW wind 30 kt. Seas 13 ft. Snow showers. .TONIGHT...NW wind 35 kt. Seas 15 ft. Snow showers. .FRI...NW wind 30 kt. Seas 15 ft. Snow showers. .FRI NIGHT...NW wind 25 kt. Seas 11 ft. .SAT...N wind 20 kt. Seas 9 ft. .SUN...NE wind 25 kt. Seas 9 ft. .MON...NE wind 30 kt. Seas 15 ft. $$ PKZ760-210145- Bristol Bay greater than 15 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...NW wind 35 kt becoming W in the afternoon. Gusts to 45 kt in the afternoon. Seas 12 ft. Rain showers and snow showers. .TONIGHT...W wind 35 kt. Gusts to 45 kt in the evening. Seas 13 ft. Snow showers and rain showers. .FRI...W wind 30 kt. Seas 10 ft. Snow showers and rain showers. .FRI NIGHT...NW wind 30 kt. Seas 12 ft. .SAT...N wind 30 kt. Seas 11 ft. .SUN...NE wind 20 kt. Seas 5 ft. .MON...E wind 35 kt. Seas 10 ft. $$ PKZ761-210145- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...NW wind 35 kt becoming W in the afternoon. Gusts to 45 kt in the afternoon. Seas 11 ft. Rain showers. .TONIGHT...W wind 35 kt. Gusts to 45 kt in the evening. Seas 12 ft. Snow showers and rain showers. .FRI...W wind 30 kt. Seas 10 ft. Snow showers and rain showers. .FRI NIGHT...NW wind 30 kt. Seas 11 ft. .SAT...N wind 25 kt. Seas 11 ft. .SUN...NE wind 20 kt. Seas 5 ft. .MON...E wind 30 kt. Seas 6 ft. $$ PKZ762-210145- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING TONIGHT... .TODAY...W wind 30 kt. Seas 7 ft. Snow showers and rain. .TONIGHT...W wind 35 kt. Seas 8 ft. Snow showers and rain showers. .FRI...W wind 25 kt. Seas 6 ft. .FRI NIGHT...NW wind 30 kt. Seas 7 ft. .SAT...N wind 25 kt. Seas 6 ft. .SUN...NE wind 20 kt. Seas 3 ft. .MON...NE wind 30 kt. Seas 7 ft. $$ PKZ763-210145- Kuskokwim Delta and Etolin Strait out to 15 NM- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 25 kt. Gusts to 35 kt in the afternoon. Seas 6 ft. Snow showers. .TONIGHT...NW wind 25 kt. Gusts to 35 kt. Seas 5 ft. Snow showers. .FRI...NW wind 30 kt. Seas 7 ft. .FRI NIGHT...NW wind 30 kt. Seas 7 ft. .SAT...N wind 30 kt. Seas 6 ft. .SUN...NE wind 25 kt. Seas 3 ft. .MON...NE wind 30 kt. Seas 5 ft. $$ PKZ764-210145- Kuskokwim Delta from 15 to 80 NM- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING TODAY... .TODAY...NW wind 35 kt. Seas 12 ft. Snow showers. .TONIGHT...W wind 30 kt. Seas 13 ft. Snow showers and rain showers. .FRI...NW wind 30 kt. Seas 13 ft. .FRI NIGHT...NW wind 30 kt. Seas 12 ft. .SAT...N wind 30 kt. Seas 11 ft. .SUN...NE wind 25 kt. Seas 7 ft. .MON...NE wind 40 kt. Seas 11 ft. $$ PKZ765-210145- North and West of Nunivak Island- 324 AM AKST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NW wind 30 kt. Seas 11 ft. Snow showers. .TONIGHT...NW wind 30 kt. Seas 12 ft. Snow showers. .FRI...NW wind 30 kt. Seas 12 ft. .FRI NIGHT...NW wind 30 kt. Seas 12 ft. .SAT...N wind 25 kt. Seas 9 ft. .SUN...NE wind 25 kt. Seas 6 ft. .MON...NE wind 30 kt. Seas 8 ft. $$ PKZ767-210145- Saint Matthew Island Waters- 324 AM AKST Thu Nov 20 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...NW wind 35 kt. Seas 15 ft. Snow showers. Freezing spray. .TONIGHT...NW wind 35 kt. Seas 15 ft. Freezing spray. .FRI...NW wind 30 kt. Seas 12 ft. Freezing spray. .FRI NIGHT...W wind 25 kt. Seas 10 ft. .SAT...S wind 25 kt. Seas 9 ft. .SUN THROUGH MON...NE wind 30 kt. Seas 10 ft. $$