Coastal Waters Forecast
Issued by NWS
Issued by NWS
015 FZAK52 PAFC 301143 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 343 AM AKDT Wed Sep 30 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. PKZ199-010100- 343 AM AKDT Wed Sep 30 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 991 mb low 60 nm SW of Shemya moves to 100 nm SW of Nikolski Thu morning. The low continues to 160 nm S of Sand Point at 994 mb Fri morning. Its front moves across the Aleutian Chain through Fri morning. $$ PKZ750-010100- Sitkinak to Castle Cape out to 15 NM- 343 AM AKDT Wed Sep 30 2026 .TODAY...W wind 15 kt. Seas 3 ft. .TONIGHT...Variable wind 10 kt. Seas 3 ft. .THU...NE wind 15 kt. Seas 2 ft. .THU NIGHT...NE wind 25 kt. Seas 5 ft. .FRI...NE wind 35 kt. Seas 12 ft. .SAT...E wind 30 kt. Seas 11 ft. .SUN...SW wind 15 kt. Seas 6 ft. $$ PKZ751-010100- Sitkinak to Castle Cape from 15 to 100 NM- 343 AM AKDT Wed Sep 30 2026 .TODAY...W wind 20 kt. Seas 6 ft. .TONIGHT...W wind 15 kt. Seas 6 ft. .THU...Variable wind 10 kt becoming SE 15 kt in the afternoon. Seas 4 ft. .THU NIGHT...E wind 25 kt. Seas 7 ft. .FRI...NE wind 35 kt. Seas 14 ft. .SAT THROUGH SUN...SW wind 25 kt. Seas 11 ft. $$ PKZ752-010100- Castle Cape to Cape Tolstoi out to 15 NM- 343 AM AKDT Wed Sep 30 2026 .TODAY...W wind 20 kt. Seas 3 ft. .TONIGHT...NW wind 15 kt in the evening becoming variable 10 kt. Seas 2 ft. .THU...E wind 20 kt. Seas 3 ft. Rain. .THU NIGHT...NE wind 30 kt. Seas 7 ft. .FRI...NE wind 35 kt. Seas 13 ft. .SAT...W wind 25 kt. Seas 11 ft. .SUN...SW wind 20 kt. Seas 6 ft. $$ PKZ753-010100- Castle Cape to Cape Tolstoi from 15 to 100 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...W wind 20 kt. Seas 6 ft. .TONIGHT...W wind 15 kt. Seas 5 ft. Rain. .THU...SE wind 15 kt becoming E 25 kt in the afternoon. Seas 6 ft. Rain showers. .THU NIGHT...E wind 35 kt. Seas 13 ft. .FRI...NE wind 40 kt. Seas 15 ft. .SAT THROUGH SUN...SW wind 25 kt. Seas 12 ft. $$ PKZ754-010100- Cape Tolstoi to Cape Sarichef out to 15 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...SW wind 15 kt. Seas 3 ft. Rain showers. .TONIGHT...E wind 15 kt. Seas 3 ft. Rain. .THU...E wind 30 kt. Seas 8 ft. Rain. .THU NIGHT...NE wind 35 kt. Seas 11 ft. .FRI...N wind 30 kt. Seas 10 ft. .SAT...SW wind 20 kt. Seas 7 ft. .SUN...SW wind 30 kt. Seas 9 ft. $$ PKZ755-010100- Cape Tolstoi to Unalga Pass from 15 to 100 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...W wind 15 kt. Seas 5 ft. Rain showers. .TONIGHT...SE wind 15 kt. Seas 4 ft. Rain. .THU...E wind 30 kt. Seas 7 ft building to 12 ft in the afternoon. Rain showers. .THU NIGHT...NE wind 40 kt. Seas 15 ft. .FRI...NE wind 35 kt. Seas 15 ft. .SAT...SW wind 25 kt. Seas 11 ft. .SUN...SW wind 30 kt. Seas 13 ft. $$ PKZ756-010100- Port Heiden to Nelson Lagoon out to 15 NM- 343 AM AKDT Wed Sep 30 2026 .TODAY...W wind 15 kt. Seas 4 ft. Isolated thunderstorms in the morning. .TONIGHT...Variable wind 10 kt. Seas 3 ft. .THU...E wind 20 kt. Seas 5 ft. .THU NIGHT...NE wind 25 kt. Seas 7 ft. .FRI...NE wind 30 kt. Seas 8 ft. .SAT...SE wind 20 kt. Seas 6 ft. .SUN...SW wind 25 kt. Seas 11 ft. $$ PKZ757-010100- Port Heiden to Nelson Lagoon from 15 to 60 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...NW wind 15 kt in the morning becoming variable 10 kt. Seas 4 ft. Isolated thunderstorms in the morning. .TONIGHT...N wind 15 kt. Seas 4 ft. .THU...E wind 25 kt. Seas 6 ft. .THU NIGHT...NE wind 30 kt. Seas 9 ft. .FRI...NE wind 30 kt. Seas 9 ft. .SAT...SE wind 20 kt. Seas 7 ft. .SUN...SW wind 25 kt. Seas 13 ft. $$ PKZ758-010100- Nelson Lagoon to Cape Sarichef out to 15 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...W wind 15 kt. Seas 5 ft. Isolated thunderstorms in the morning. .TONIGHT...E wind 15 kt. Seas 3 ft. .THU...E wind 30 kt. Seas 6 ft. .THU NIGHT...NE wind 30 kt. Seas 9 ft. .FRI...NE wind 30 kt. Seas 9 ft. .SAT...S wind 20 kt. Seas 7 ft. .SUN...SW wind 35 kt. Seas 14 ft. $$ PKZ759-010100- Nelson Lagoon to Unalga Pass 15 to 70 nm- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...W wind 15 kt. Isolated thunderstorms in the morning. Seas 5 ft. .TONIGHT...NE wind 15 kt becoming E 25 kt after midnight. Seas 5 ft. .THU...E wind 30 kt. Seas 9 ft. .THU NIGHT...NE wind 35 kt. Seas 12 ft. .FRI...NE wind 30 kt. Seas 12 ft. .SAT...S wind 20 kt. Seas 8 ft. .SUN...SW wind 30 kt. Seas 17 ft. $$ PKZ768-010100- Unimak Pass- 343 AM AKDT Wed Sep 30 2026 ...GALE WARNING THURSDAY... .TODAY...SW wind 15 kt. Seas 5 ft. Rain showers. .TONIGHT...E wind 20 kt. Seas 4 ft. Rain. .THU...NE wind 35 kt. Seas 6 ft building to 11 ft in the afternoon. Rain. .THU NIGHT...NE wind 40 kt. Seas 13 ft. .FRI...NE wind 30 kt. Seas 13 ft. .SAT...S wind 20 kt. Seas 9 ft. .SUN...SW wind 30 kt. Seas 15 ft. $$ PKZ770-010100- Unalga Pass to Nikolski Bering Side out to 15 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...S wind 15 kt. Seas 4 ft. Rain showers. .TONIGHT...E wind 25 kt. Seas 4 ft. Rain. .THU...E wind 30 kt. Seas 10 ft. Rain. .THU NIGHT...NE wind 30 kt. Seas 10 ft. .FRI...NE wind 30 kt. Seas 11 ft. .SAT...S wind 30 kt. Seas 7 ft. .SUN...SW wind 40 kt. Seas 16 ft. $$ PKZ772-010100- Unalga Pass to Nikolski Bering Side from 15 to 85 NM- 343 AM AKDT Wed Sep 30 2026 ...GALE WARNING THURSDAY... .TODAY...SW wind 15 kt. Seas 5 ft. Rain showers. .TONIGHT...E wind 25 kt. Seas 6 ft. Rain. .THU...NE wind 35 kt. Seas 12 ft. Rain. .THU NIGHT...NE wind 35 kt. Seas 13 ft. .FRI...NE wind 30 kt. Seas 13 ft. .SAT...S wind 25 kt. Seas 9 ft. .SUN...W wind 30 kt. Seas 18 ft. $$ PKZ771-010100- Unalaska Bay- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...Variable wind less than 10 kt. Seas 2 ft. Rain showers. .TONIGHT...E wind 10 kt increasing to 20 kt after midnight. Seas 3 ft. Rain. .THU...NE wind 30 kt. Seas 5 ft. Rain. .THU NIGHT...NE wind 30 kt. Seas 9 ft. .FRI...NE wind 25 kt. Seas 10 ft. .SAT...S wind 15 kt. Seas 5 ft. .SUN...SW wind 30 kt. Seas 5 ft. $$ PKZ773-010100- Unalga Pass to Nikolski Pacific Side out to 15 NM- 343 AM AKDT Wed Sep 30 2026 ...GALE WARNING THURSDAY... .TODAY...SW wind 15 kt. Seas 3 ft. Rain. .TONIGHT...SE wind 25 kt. Seas 4 ft building to 8 ft after midnight. Rain. .THU...NE wind 35 kt. Seas 12 ft. Rain. .THU NIGHT...NE wind 35 kt. Seas 14 ft. .FRI...N wind 30 kt. Seas 13 ft. .SAT...SW wind 30 kt. Seas 9 ft. .SUN...W wind 35 kt. Seas 12 ft. $$ PKZ774-010100- Unalga Pass to Nikolski Pacific Side from 15 to 85 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...SW wind 15 kt. Seas 4 ft. Rain. .TONIGHT...E wind 30 kt. Seas 5 ft building to 10 ft after midnight. Rain. .THU...E wind 30 kt. Seas 13 ft. Rain. .THU NIGHT...NE wind 35 kt. Seas 14 ft. .FRI...NE wind 30 kt. Seas 14 ft. .SAT...SW wind 30 kt. Seas 10 ft. .SUN...W wind 30 kt. Seas 14 ft. $$ PKZ775-010100- Nikolski to Seguam Bering Side out to 15 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SE wind 25 kt. Seas 5 ft. Rain. .TONIGHT...E wind 30 kt. Seas 11 ft. Rain. .THU...E wind 30 kt. Seas 12 ft. Rain. .THU NIGHT...NE wind 30 kt. Seas 13 ft. .FRI...NE wind 30 kt. Seas 11 ft. .SAT...SW wind 30 kt. Seas 11 ft. .SUN...W wind 30 kt. Seas 17 ft. $$ PKZ776-010100- Nikolski to Seguam Bering Side from 15 to 85 NM- 343 AM AKDT Wed Sep 30 2026 ...GALE WARNING THURSDAY... .TODAY...SE wind 25 kt. Seas 5 ft. Rain. .TONIGHT...E wind 30 kt. Seas 9 ft. Rain. .THU...E wind 35 kt. Seas 14 ft. .THU NIGHT...NE wind 35 kt. Seas 14 ft. .FRI...NE wind 30 kt. Seas 12 ft. .SAT...SW wind 30 kt. Seas 11 ft. .SUN...W wind 30 kt. Seas 19 ft. $$ PKZ777-010100- Nikolski to Seguam Pacfic Side out to 15 NM- 343 AM AKDT Wed Sep 30 2026 ...GALE WARNING TONIGHT... .TODAY...SE wind 25 kt. Seas 6 ft. Rain. .TONIGHT...E wind 35 kt. Seas 13 ft. Rain. .THU...E wind 30 kt. Seas 13 ft. Rain. .THU NIGHT...NE wind 30 kt. Seas 12 ft. .FRI...NE wind 30 kt. Seas 10 ft. .SAT...SW wind 30 kt. Seas 11 ft. .SUN...W wind 30 kt. Seas 16 ft. $$ PKZ778-010100- Nikolski to Seguam Pacific Side from 15 to 75 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 20 kt becoming SE 30 kt in the afternoon. Seas 8 ft. Rain. .TONIGHT...SE wind 30 kt. Seas 14 ft. Rain. .THU...E wind 30 kt. Seas 13 ft. .THU NIGHT...NE wind 30 kt. Seas 11 ft. .FRI...NE wind 25 kt. Seas 11 ft. .SAT...SW wind 30 kt. Seas 12 ft. .SUN...W wind 30 kt. Seas 16 ft. $$ PKZ780-010100- Seguam to Adak Bering Side out to 15 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SE wind 30 kt. Seas 5 ft. Rain. .TONIGHT...SE wind 30 kt. Seas 7 ft. Rain. .THU...E wind 25 kt. Seas 10 ft. Rain. .THU NIGHT...NE wind 30 kt. Seas 12 ft. .FRI...E wind 25 kt. Seas 10 ft. .SAT...SW wind 45 kt. Seas 11 ft. .SUN...W wind 45 kt. Seas 15 ft. $$ PKZ781-010100- Seguam to Adak Bering Side from 15 to 85 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SE wind 30 kt. Seas 8 ft. Rain. .TONIGHT...E wind 30 kt. Seas 10 ft. Rain. .THU...E wind 30 kt. Seas 12 ft. Rain. .THU NIGHT...NE wind 30 kt. Seas 13 ft. .FRI...E wind 25 kt. Seas 11 ft. .SAT...SW wind 40 kt. Seas 18 ft. .SUN...W wind 40 kt. Seas 19 ft. $$ PKZ782-010100- Seguam to Adak Pacific Side out to 15 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SE wind 30 kt. Seas 10 ft. Rain. .TONIGHT...SE wind 25 kt. Seas 10 ft. Rain. .THU...NE wind 20 kt. Seas 10 ft. .THU NIGHT...NE wind 25 kt. Seas 8 ft. .FRI...E wind 25 kt. Seas 8 ft. .SAT THROUGH SUN...W wind 35 kt. Seas 14 ft. $$ PKZ783-010100- Seguam to Adak Pacific Side from 15 to 75 NM- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SE wind 30 kt. Seas 11 ft. Rain. .TONIGHT...S wind 25 kt becoming SW 15 kt after midnight. Seas 11 ft. .THU...NW wind 20 kt. Seas 10 ft. .THU NIGHT...N wind 25 kt. Seas 10 ft. .FRI...E wind 25 kt. Seas 10 ft. .SAT THROUGH SUN...W wind 35 kt. Seas 16 ft. $$ PKZ784-010100- Adak to Kiska Bering Side- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SE wind 30 kt. Seas 9 ft. Rain. .TONIGHT...SE wind 20 kt. Seas 9 ft. Rain. .THU...E wind 25 kt. Seas 10 ft. .THU NIGHT...E wind 25 kt. Seas 10 ft. .FRI...SE wind 30 kt. Seas 9 ft. .SAT...SW wind 40 kt. Seas 19 ft. .SUN...W wind 35 kt. Seas 19 ft. $$ PKZ785-010100- Adak to Kiska Pacific Side- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 30 kt diminishing to 20 kt in the afternoon. Seas 11 ft. .TONIGHT...SW wind 15 kt. Seas 10 ft. Rain. .THU...NE wind 15 kt. Seas 9 ft. .THU NIGHT...NE wind 20 kt. Seas 10 ft. .FRI...SE wind 25 kt. Seas 9 ft. .SAT THROUGH SUN...W wind 35 kt. Seas 17 ft. $$ PKZ786-010100- Kiska to Attu Bering Side- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...E wind 30 kt. Seas 13 ft. Rain. .TONIGHT...E wind 30 kt. Seas 13 ft. Rain. .THU...NE wind 25 kt. Seas 12 ft. .THU NIGHT...E wind 20 kt. Seas 11 ft. .FRI...S wind 35 kt. Seas 11 ft. .SAT...W wind 35 kt. Seas 20 ft. .SUN...W wind 30 kt. Seas 16 ft. $$ PKZ787-010100- Kiska to Attu Pacific Side- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 20 kt. Seas 12 ft. .TONIGHT...NW wind 20 kt. Seas 10 ft. .THU...N wind 20 kt. Seas 10 ft. .THU NIGHT...NW wind 20 kt. Seas 10 ft. .FRI...S wind 35 kt. Seas 11 ft. .SAT...W wind 35 kt. Seas 17 ft. .SUN...W wind 30 kt. Seas 17 ft. $$ PKZ766-010100- Pribilof Islands Nearshore Waters- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...Variable wind 10 kt becoming E 20 kt in the afternoon. Seas 4 ft. .TONIGHT...E wind 25 kt. Seas 7 ft. .THU...E wind 30 kt. Seas 10 ft. .THU NIGHT...NE wind 30 kt. Seas 10 ft. .FRI...E wind 25 kt. Seas 10 ft. .SAT...SE wind 20 kt. Seas 9 ft. .SUN...W wind 25 kt. Seas 18 ft. $$ PKZ760-010100- Bristol Bay greater than 15 NM- 343 AM AKDT Wed Sep 30 2026 .TODAY...NW wind 10 kt. Seas 3 ft. .TONIGHT...N wind 10 kt becoming NE after midnight. Seas 3 ft. .THU...NE wind 20 kt. Seas 4 ft. .THU NIGHT...NE wind 25 kt. Seas 6 ft. .FRI...NE wind 25 kt. Seas 6 ft. .SAT...E wind 20 kt. Seas 5 ft. .SUN...SW wind 20 kt. Seas 10 ft. $$ PKZ761-010100- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 343 AM AKDT Wed Sep 30 2026 .TODAY...W wind 10 kt. Seas 3 ft. .TONIGHT...NW wind 10 kt. Seas 2 ft. .THU...NE wind 20 kt. Seas 4 ft. .THU NIGHT...NE wind 20 kt. Seas 4 ft. .FRI...NE wind 25 kt. Seas 5 ft. .SAT...E wind 20 kt. Seas 4 ft. .SUN...SW wind 20 kt. Seas 8 ft. $$ PKZ762-010100- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 343 AM AKDT Wed Sep 30 2026 .TODAY...NE wind 10 kt. Seas 1 foot. .TONIGHT...N wind 10 kt becoming NE after midnight. Seas 2 ft. .THU...NE wind 15 kt. Seas 3 ft. .THU NIGHT...NE wind 25 kt. Seas 4 ft. .FRI...NE wind 25 kt. Seas 4 ft. .SAT...E wind 20 kt. Seas 3 ft. .SUN...S wind 15 kt. Seas 7 ft. $$ PKZ763-010100- Kuskokwim Delta and Etolin Strait out to 15 NM- 343 AM AKDT Wed Sep 30 2026 .TODAY...NE wind 15 kt. Seas 2 ft. .TONIGHT...N wind 20 kt. Seas 3 ft. .THU...NE wind 15 kt. Seas 2 ft. .THU NIGHT...NE wind 20 kt. Seas 3 ft. .FRI...NE wind 20 kt. Seas 3 ft. .SAT...E wind 20 kt. Seas 6 ft. .SUN...SE wind 20 kt. Seas 9 ft. $$ PKZ764-010100- Kuskokwim Delta from 15 to 80 NM- 343 AM AKDT Wed Sep 30 2026 .TODAY...NE wind 15 kt. Seas 4 ft. .TONIGHT...N wind 20 kt. Seas 4 ft. .THU...NE wind 20 kt. Seas 5 ft. .THU NIGHT...NE wind 25 kt. Seas 7 ft. .FRI...NE wind 25 kt. Seas 7 ft. .SAT...SE wind 20 kt. Seas 7 ft. .SUN...S wind 20 kt. Seas 12 ft. $$ PKZ765-010100- North and West of Nunivak Island- 343 AM AKDT Wed Sep 30 2026 .TODAY...NE wind 20 kt. Seas 4 ft. .TONIGHT...NE wind 15 kt. Seas 4 ft. .THU...NE wind 15 kt. Seas 4 ft. .THU NIGHT...NE wind 20 kt. Seas 4 ft. .FRI...E wind 15 kt. Seas 4 ft. .SAT...E wind 25 kt. Seas 8 ft. .SUN...E wind 20 kt. Seas 13 ft. $$ PKZ767-010100- Saint Matthew Island Waters- 343 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...NE wind 20 kt. Seas 6 ft. .TONIGHT...NE wind 15 kt E of Saint Matthew Island...E 25 kt W of Saint Matthew Island. Seas 6 ft. .THU...E wind 20 kt. Seas 6 ft. .THU NIGHT...E wind 15 kt. Seas 6 ft. .FRI...SE wind 30 kt. Seas 7 ft. .SAT...E wind 35 kt. Seas 13 ft. .SUN...NE wind 25 kt. Seas 14 ft. $$