Coastal Waters Forecast
Issued by NWS
Issued by NWS
836 FZAK52 PAFC 151045 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 245 AM AKDT Tue Sep 15 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. PKZ199-152315- 245 AM AKDT Tue Sep 15 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 990 mb Bering Sea low 110 nm north of St. Paul Island moves to 80 nm north of Mekoryuk Tue morning. A ridge builds in across the Bering Tue afternoon with another front reaching Shemya Wed morning. $$ PKZ750-152315- Sitkinak to Castle Cape out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SW wind 30 kt diminishing to 20 kt in the afternoon. Seas 9 ft. .TONIGHT...W wind 20 kt. Seas 6 ft. .WED...W wind 15 kt. Seas 4 ft. .WED NIGHT...SW wind 20 kt. Seas 4 ft. .THU...SW wind 20 kt. Seas 4 ft. .FRI...Variable wind 10 kt. Seas 3 ft. .SAT...NW wind 25 kt. Seas 5 ft. $$ PKZ751-152315- Sitkinak to Castle Cape from 15 to 100 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 30 kt. Seas 12 ft. Rain. .TONIGHT...W wind 20 kt. Seas 9 ft. .WED...W wind 15 kt. Seas 6 ft. .WED NIGHT...SW wind 15 kt. Seas 5 ft. .THU THROUGH FRI...W wind 15 kt. Seas 6 ft. .SAT...NW wind 25 kt. Seas 9 ft. $$ PKZ752-152315- Castle Cape to Cape Tolstoi out to 15 NM- 245 AM AKDT Tue Sep 15 2026 .TODAY...SW wind 20 kt. Seas 7 ft. .TONIGHT...W wind 15 kt. Seas 5 ft. .WED...SW wind 15 kt. Seas 3 ft. .WED NIGHT...SW wind 20 kt. Seas 4 ft. .THU...SW wind 20 kt. Seas 4 ft. .FRI...W wind 15 kt. Seas 3 ft. .SAT...NW wind 25 kt. Seas 4 ft. $$ PKZ753-152315- Castle Cape to Cape Tolstoi from 15 to 100 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SW wind 25 kt. Seas 11 ft. .TONIGHT...W wind 20 kt. Seas 7 ft. .WED...SW wind 15 kt. Seas 6 ft. .WED NIGHT...SW wind 20 kt. Seas 5 ft. .THU THROUGH FRI...W wind 20 kt. Seas 6 ft. .SAT...NW wind 30 kt. Seas 9 ft. $$ PKZ754-152315- Cape Tolstoi to Cape Sarichef out to 15 NM- 245 AM AKDT Tue Sep 15 2026 .TODAY...W wind 20 kt. Seas 7 ft. .TONIGHT...W wind 20 kt in the evening becoming variable 10 kt. Seas 6 ft. .WED...SW wind 20 kt. Seas 5 ft. .WED NIGHT...SW wind 20 kt. Seas 6 ft. .THU...W wind 20 kt. Seas 5 ft. .FRI...W wind 25 kt. Seas 5 ft. .SAT...NW wind 30 kt. Seas 4 ft. $$ PKZ755-152315- Cape Tolstoi to Unalga Pass from 15 to 100 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...W wind 20 kt. Seas 9 ft. .TONIGHT...W wind 20 kt. Seas 7 ft. .WED...SW wind 20 kt. Seas 6 ft. .WED NIGHT...SW wind 25 kt. Seas 7 ft. .THU...W wind 20 kt. Seas 7 ft. .FRI THROUGH SAT...NW wind 30 kt. Seas 9 ft. $$ PKZ756-152315- Port Heiden to Nelson Lagoon out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...SW wind 25 kt. Seas 9 ft. .TONIGHT...SW wind 25 kt. Seas 10 ft. .WED...SW wind 20 kt. Seas 8 ft. .WED NIGHT...S wind 15 kt. Seas 5 ft. .THU...SW wind 20 kt. Seas 6 ft. .FRI...W wind 25 kt. Seas 5 ft. .SAT...NW wind 30 kt. Seas 9 ft. $$ PKZ757-152315- Port Heiden to Nelson Lagoon from 15 to 60 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...SW wind 30 kt. Seas 11 ft. .TONIGHT...SW wind 30 kt. Seas 12 ft. .WED...SW wind 20 kt. Seas 9 ft. .WED NIGHT...S wind 15 kt. Seas 6 ft. .THU...SW wind 20 kt. Seas 6 ft. .FRI...W wind 20 kt. Seas 6 ft. .SAT...NW wind 30 kt. Seas 10 ft. $$ PKZ758-152315- Nelson Lagoon to Cape Sarichef out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...SW wind 25 kt. Seas 9 ft. .TONIGHT...SW wind 25 kt. Seas 10 ft. .WED...S wind 20 kt. Seas 8 ft. .WED NIGHT...S wind 20 kt. Seas 6 ft. .THU...SW wind 20 kt. Seas 7 ft. .FRI THROUGH SAT...NW wind 30 kt. Seas 11 ft. $$ PKZ759-152315- Nelson Lagoon to Unalga Pass 15 to 70 nm- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...SW wind 25 kt. Seas 12 ft. .TONIGHT...SW wind 25 kt. Seas 12 ft. .WED...S wind 25 kt. Seas 9 ft. .WED NIGHT...SW wind 25 kt. Seas 8 ft. .THU...SW wind 25 kt. Seas 8 ft. .FRI THROUGH SAT...NW wind 30 kt. Seas 12 ft. $$ PKZ768-152315- Unimak Pass- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...W wind 25 kt. Seas 9 ft. .TONIGHT...W wind 20 kt. Seas 9 ft. .WED...S wind 25 kt. Seas 7 ft. .WED NIGHT...SW wind 25 kt. Seas 6 ft. .THU...W wind 25 kt. Seas 8 ft. .FRI THROUGH SAT...NW wind 30 kt. Seas 11 ft. $$ PKZ770-152315- Unalga Pass to Nikolski Bering Side out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...W wind 20 kt. Seas 8 ft. .TONIGHT...SW wind 20 kt. Seas 8 ft. .WED...S wind 25 kt. Seas 6 ft. .WED NIGHT...SW wind 20 kt. Seas 6 ft. .THU...SW wind 25 kt. Seas 8 ft. .FRI THROUGH SAT...NW wind 30 kt. Seas 10 ft. $$ PKZ772-152315- Unalga Pass to Nikolski Bering Side from 15 to 85 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...W wind 25 kt. Seas 10 ft. .TONIGHT...SW wind 20 kt. Seas 9 ft. .WED...S wind 25 kt. Seas 9 ft. .WED NIGHT...SW wind 25 kt. Seas 8 ft. .THU...W wind 25 kt. Seas 9 ft. .FRI THROUGH SAT...NW wind 25 kt. Seas 11 ft. $$ PKZ771-152315- Unalaska Bay- 245 AM AKDT Tue Sep 15 2026 .TODAY...W wind 15 kt. Seas 2 ft. .TONIGHT...W wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. .WED...SW wind 10 kt increasing to 15 kt in the afternoon. Seas 2 ft. .WED NIGHT...SW wind 15 kt. Seas 2 ft. .THU...W wind 15 kt. Seas 2 ft. .FRI THROUGH SAT...NW wind 35 kt. Seas 10 ft. $$ PKZ773-152315- Unalga Pass to Nikolski Pacific Side out to 15 NM- 245 AM AKDT Tue Sep 15 2026 .TODAY...W wind 15 kt. Seas 6 ft. .TONIGHT...SW wind 15 kt. Seas 5 ft. .WED...SW wind 20 kt. Seas 6 ft. .WED NIGHT...SW wind 25 kt. Seas 6 ft. .THU...W wind 20 kt. Seas 6 ft. .FRI THROUGH SAT...NW wind 25 kt. Seas 5 ft. $$ PKZ774-152315- Unalga Pass to Nikolski Pacific Side from 15 to 85 NM- 245 AM AKDT Tue Sep 15 2026 .TODAY...W wind 20 kt. Seas 7 ft. .TONIGHT...W wind 15 kt. Seas 6 ft. .WED...SW wind 20 kt. Seas 6 ft. .WED NIGHT...SW wind 25 kt. Seas 7 ft. .THU THROUGH SAT...NW wind 25 kt. Seas 9 ft. $$ PKZ775-152315- Nikolski to Seguam Bering Side out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY WEDNESDAY... .TODAY...W wind 15 kt. Seas 7 ft. .TONIGHT...SW wind 20 kt. Seas 7 ft. .WED...S wind 25 kt. Seas 7 ft. .WED NIGHT...SW wind 20 kt. Seas 7 ft. .THU...W wind 25 kt. Seas 8 ft. .FRI THROUGH SAT...W wind 25 kt. Seas 9 ft. $$ PKZ776-152315- Nikolski to Seguam Bering Side from 15 to 85 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...W wind 20 kt. Seas 8 ft. .TONIGHT...SW wind 15 kt becoming S 25 kt after midnight. Seas 8 ft. .WED...S wind 25 kt. Seas 9 ft. .WED NIGHT...SW wind 25 kt. Seas 9 ft. .THU...W wind 25 kt. Seas 9 ft. .FRI THROUGH SAT...W wind 25 kt. Seas 9 ft. $$ PKZ777-152315- Nikolski to Seguam Pacfic Side out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY WEDNESDAY... .TODAY...W wind 15 kt. Seas 7 ft. .TONIGHT...SW wind 20 kt. Seas 7 ft. .WED...SW wind 25 kt. Seas 8 ft. .WED NIGHT...SW wind 20 kt. Seas 7 ft. .THU...W wind 20 kt. Seas 7 ft. .FRI THROUGH SAT...W wind 25 kt. Seas 7 ft. $$ PKZ778-152315- Nikolski to Seguam Pacific Side from 15 to 75 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY WEDNESDAY... .TODAY...W wind 15 kt. Seas 7 ft. .TONIGHT...SW wind 20 kt. Seas 7 ft. .WED...SW wind 25 kt. Seas 8 ft. .WED NIGHT...SW wind 25 kt. Seas 8 ft. .THU...W wind 25 kt. Seas 8 ft. .FRI THROUGH SAT...W wind 25 kt. Seas 9 ft. $$ PKZ780-152315- Seguam to Adak Bering Side out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY... .TODAY...SW wind 20 kt. Seas 5 ft. .TONIGHT...SW wind 25 kt. Seas 6 ft. .WED...SW wind 25 kt. Seas 6 ft. .WED NIGHT...W wind 25 kt. Seas 7 ft. .THU...W wind 25 kt. Seas 7 ft. .FRI THROUGH SAT...W wind 30 kt. Seas 7 ft. $$ PKZ781-152315- Seguam to Adak Bering Side from 15 to 85 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY... .TODAY...W wind 20 kt. Seas 7 ft. .TONIGHT...SW wind 30 kt. Seas 8 ft. .WED...SW wind 25 kt. Seas 8 ft. .WED NIGHT...W wind 25 kt. Seas 9 ft. .THU...W wind 25 kt. Seas 9 ft. .FRI...NW wind 25 kt. Seas 8 ft. .SAT...W wind 30 kt. Seas 8 ft. $$ PKZ782-152315- Seguam to Adak Pacific Side out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY... .TODAY...SW wind 20 kt. Seas 6 ft. .TONIGHT...SW wind 25 kt. Seas 7 ft. .WED...SW wind 25 kt. Seas 8 ft. .WED NIGHT...W wind 20 kt. Seas 7 ft. .THU...W wind 25 kt. Seas 6 ft. .FRI THROUGH SAT...W wind 25 kt. Seas 6 ft. $$ PKZ783-152315- Seguam to Adak Pacific Side from 15 to 75 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY... .TODAY...W wind 15 kt. Seas 6 ft. .TONIGHT...SW wind 25 kt. Seas 8 ft. .WED...SW wind 25 kt. Seas 8 ft. .WED NIGHT...W wind 20 kt. Seas 8 ft. .THU...W wind 25 kt. Seas 8 ft. .FRI...NW wind 30 kt. Seas 9 ft. .SAT...W wind 25 kt. Seas 7 ft. $$ PKZ784-152315- Adak to Kiska Bering Side- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...SW wind 20 kt becoming S 30 kt in the afternoon. Seas 7 ft. .TONIGHT...SW wind 30 kt. Seas 8 ft. .WED...SW wind 25 kt. Seas 9 ft. .WED NIGHT...W wind 25 kt. Seas 9 ft. .THU THROUGH FRI...NW wind 30 kt. Seas 10 ft. .SAT...W wind 25 kt. Seas 7 ft. $$ PKZ785-152315- Adak to Kiska Pacific Side- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...SW wind 20 kt becoming S 30 kt in the afternoon. Seas 7 ft. Rain. .TONIGHT...SW wind 30 kt. Seas 9 ft. .WED...SW wind 20 kt. Seas 9 ft. .WED NIGHT...W wind 20 kt. Seas 8 ft. .THU THROUGH FRI...NW wind 30 kt. Seas 10 ft. .SAT...W wind 25 kt. Seas 7 ft. $$ PKZ786-152315- Kiska to Attu Bering Side- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...S wind 30 kt. Seas 9 ft. .TONIGHT...SW wind 25 kt. Seas 10 ft. .WED...W wind 30 kt. Seas 10 ft. .WED NIGHT...W wind 25 kt. Seas 10 ft. .THU THROUGH SAT...W wind 25 kt. Seas 8 ft. $$ PKZ787-152315- Kiska to Attu Pacific Side- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...S wind 30 kt. Seas 10 ft. .TONIGHT...SW wind 25 kt. Seas 11 ft. .WED...W wind 25 kt. Seas 10 ft. .WED NIGHT...W wind 20 kt. Seas 9 ft. .THU THROUGH SAT...W wind 25 kt. Seas 9 ft. $$ PKZ766-152315- Pribilof Islands Nearshore Waters- 245 AM AKDT Tue Sep 15 2026 ...GALE WARNING TODAY... .TODAY...W wind 35 kt diminishing to 25 kt in the afternoon. Seas 15 ft. .TONIGHT...SW wind 25 kt. Seas 11 ft. .WED...S wind 25 kt. Seas 9 ft. .WED NIGHT...SW wind 20 kt. Seas 8 ft. .THU...W wind 20 kt. Seas 7 ft. .FRI...NW wind 30 kt. Seas 9 ft. .SAT...NW wind 25 kt. Seas 9 ft. $$ PKZ760-152315- Bristol Bay greater than 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...SW wind 30 kt. Seas 9 ft. .TONIGHT...SW wind 30 kt. Seas 11 ft. .WED...SW wind 25 kt. Seas 9 ft. .WED NIGHT...S wind 15 kt. Seas 6 ft. .THU...S wind 15 kt. Seas 4 ft. .FRI...W wind 15 kt. Seas 4 ft. .SAT...NW wind 25 kt. Seas 8 ft. $$ PKZ761-152315- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...SW wind 25 kt. Seas 7 ft. .TONIGHT...SW wind 25 kt. Seas 9 ft. .WED...SW wind 20 kt. Seas 8 ft. .WED NIGHT...S wind 15 kt. Seas 5 ft. .THU...S wind 15 kt. Seas 4 ft. .FRI...W wind 15 kt. Seas 4 ft. .SAT...NW wind 25 kt. Seas 8 ft. $$ PKZ762-152315- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...SW wind 30 kt. Gusts to 40 kt W of Cape Constantine in the afternoon. Seas 7 ft. .TONIGHT...SW wind 30 kt. Gusts to 40 kt W of Cape Constantine before midnight. Seas 9 ft. .WED...SW wind 25 kt. Seas 7 ft. .WED NIGHT...S wind 15 kt. Seas 4 ft. .THU...S wind 15 kt. Seas 3 ft. .FRI...W wind 10 kt. Seas 3 ft. .SAT...NW wind 25 kt. Seas 4 ft. $$ PKZ763-152315- Kuskokwim Delta and Etolin Strait out to 15 NM- 245 AM AKDT Tue Sep 15 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...SW wind 45 kt. Gusts to 55 kt in the morning. Seas 12 ft. Rain. .TONIGHT...SW wind 40 kt. Gusts to 50 kt before midnight. Seas 12 ft. .WED...SW wind 25 kt. Seas 7 ft. .WED NIGHT...S wind 20 kt. Seas 5 ft. .THU...S wind 20 kt. Seas 5 ft. .FRI THROUGH SAT...N wind 30 kt. Seas 5 ft. $$ PKZ764-152315- Kuskokwim Delta from 15 to 80 NM- 245 AM AKDT Tue Sep 15 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...SW wind 45 kt. Seas 18 ft. Rain. .TONIGHT...SW wind 40 kt diminishing to 30 kt after midnight. Seas 17 ft. .WED...SW wind 25 kt. Seas 10 ft. .WED NIGHT...S wind 25 kt. Seas 7 ft. .THU...SW wind 20 kt. Seas 6 ft. .FRI THROUGH SAT...NW wind 30 kt. Seas 8 ft. $$ PKZ765-152315- North and West of Nunivak Island- 245 AM AKDT Tue Sep 15 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...SW wind 45 kt. Seas 18 ft. Rain. .TONIGHT...W wind 35 kt. Seas 17 ft subsiding to 12 ft after midnight. .WED...SW wind 25 kt. Seas 9 ft. .WED NIGHT...S wind 15 kt. Seas 6 ft. .THU...N wind 20 kt. Seas 6 ft. .FRI THROUGH SAT...N wind 30 kt. Seas 10 ft. $$ PKZ767-152315- Saint Matthew Island Waters- 245 AM AKDT Tue Sep 15 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...E of Saint Matthew Island, W wind 40 kt. W of Saint Matthew Island, NW wind 40 kt becoming W 30 kt in the afternoon. Seas 14 ft. .TONIGHT...E of Saint Matthew Island, W wind 35 kt diminishing to 25 kt after midnight. W of Saint Matthew Island, W wind 25 kt becoming SW 15 kt after midnight. Seas 12 ft. .WED...SE wind 20 kt. Seas 7 ft. .WED NIGHT...NE wind 20 kt. Seas 6 ft. .THU...N wind 20 kt. Seas 6 ft. .FRI THROUGH SAT...N wind 25 kt. Seas 9 ft. $$