Coastal Waters Forecast
Issued by NWS
Issued by NWS
540 FZAK52 PAFC 221131 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 331 AM AKDT Fri Aug 22 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. PKZ199-230045- 331 AM AKDT Fri Aug 22 2025 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 993 mb Kamchatka low will send a series of fronts across the Bering Sea through Sat night. $$ PKZ750-230045- Sitkinak to Castle Cape out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...N wind 15 kt. Seas 3 ft. .TONIGHT...Variable wind 10 kt. Seas 2 ft. .SAT...Variable wind 10 kt. Seas 2 ft. .SAT NIGHT...Variable wind 10 kt. Seas 2 ft. .SUN...SW wind 15 kt. Seas 2 ft. .MON...S wind 25 kt. Seas 3 ft. .TUE...S wind 35 kt. Seas 4 ft. $$ PKZ751-230045- Sitkinak to Castle Cape from 15 to 100 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...N wind 20 kt. Seas 7 ft. .TONIGHT...N wind 15 kt. Seas 6 ft. .SAT...Variable wind 10 kt. Seas 5 ft. .SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...SW wind 15 kt. Seas 3 ft. .MON...S wind 25 kt. Seas 5 ft. .TUE...S wind 35 kt. Seas 7 ft. $$ PKZ752-230045- Castle Cape to Cape Tolstoi out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind 10 kt. Seas 3 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 3 ft. .SAT...Variable wind 10 kt. Seas 2 ft. Patchy fog. .SAT NIGHT...Variable wind 10 kt. Seas 2 ft. .SUN...Variable wind 10 kt. Seas 2 ft. .MON...S wind 25 kt. Seas 2 ft. .TUE...S wind 35 kt. Seas 3 ft. $$ PKZ753-230045- Castle Cape to Cape Tolstoi from 15 to 100 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind 10 kt. Seas 5 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 4 ft. Patchy fog. .SAT...Variable wind 10 kt. Seas 4 ft. Patchy fog. .SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...SW wind 15 kt. Seas 3 ft. .MON...S wind 25 kt. Seas 5 ft. .TUE...S wind 40 kt. Seas 10 ft. $$ PKZ754-230045- Cape Tolstoi to Cape Sarichef out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind 10 kt. Seas 2 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 2 ft. Areas of fog. .SAT...Variable wind 10 kt. Seas 2 ft. Patchy fog. .SAT NIGHT...Variable wind 10 kt. Seas 2 ft. .SUN...SW wind 15 kt. Seas 3 ft. .MON...S wind 30 kt. Seas 4 ft. .TUE...S wind 35 kt. Seas 8 ft. $$ PKZ755-230045- Cape Tolstoi to Cape Sarichef from 15 to 100 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind 10 kt. Seas 4 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 4 ft. Patchy fog. .SAT...Variable wind 10 kt. Seas 4 ft. Patchy fog. .SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...W wind 15 kt. Seas 4 ft. .MON...S wind 30 kt. Seas 6 ft. .TUE...S wind 40 kt. Seas 10 ft. $$ PKZ756-230045- Port Heiden to Nelson Lagoon out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind 10 kt. Seas 2 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 2 ft. Areas of fog. .SAT...SW wind 15 kt. Seas 3 ft. Patchy fog. .SAT NIGHT...Variable wind 10 kt. Seas 3 ft. .SUN...S wind 15 kt. Seas 4 ft. .MON...SE wind 25 kt. Seas 5 ft. .TUE...SE wind 35 kt. Seas 5 ft. $$ PKZ757-230045- Port Heiden to Nelson Lagoon from 15 to 60 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind 10 kt. Seas 2 ft. Areas of fog. .TONIGHT...Variable wind 10 kt becoming SW 20 kt after midnight. Seas 3 ft. Areas of fog. .SAT...SW wind 15 kt. Seas 3 ft. Areas of fog. .SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...SW wind 15 kt. Seas 5 ft. .MON...S wind 30 kt. Seas 9 ft. .TUE...SE wind 40 kt. Seas 10 ft. $$ PKZ758-230045- Nelson Lagoon to Cape Sarichef out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind 10 kt. Seas 2 ft. Areas of fog. .TONIGHT...S wind 15 kt. Seas 2 ft. Areas of fog. .SAT...SW wind 15 kt. Seas 3 ft. Patchy fog. .SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...S wind 20 kt. Seas 4 ft. .MON...S wind 35 kt. Seas 5 ft. .TUE...SE wind 40 kt. Seas 5 ft. $$ PKZ759-230045- Nelson Lagoon to Cape Sarichef from 15 to 70 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...S wind 15 kt. Seas 3 ft. Areas of fog. .TONIGHT...SW wind 20 kt. Seas 3 ft. Areas of fog. .SAT...SW wind 15 kt. Seas 3 ft. Areas of fog. .SAT NIGHT...Variable wind 10 kt. Seas 5 ft. .SUN...S wind 25 kt. Seas 7 ft. .MON THROUGH TUE...S wind 35 kt. Seas 10 ft. $$ PKZ770-230045- Cape Sarichef to Nikolski Bering Side out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...SW wind 15 kt. Seas 2 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 2 ft. Areas of fog. .SAT...Variable wind 10 kt. Seas 2 ft. Areas of fog. .SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...S wind 30 kt. Seas 5 ft. .MON...S wind 35 kt. Seas 5 ft. .TUE...S wind 30 kt. Seas 5 ft. $$ PKZ772-230045- Cape Sarichef to Nikolski Bering Side from 15 to 85 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...SW wind 15 kt. Seas 2 ft. Areas of fog. .TONIGHT...SW wind 15 kt. Seas 3 ft. Areas of fog. .SAT...SW wind 15 kt. Seas 4 ft. Areas of fog. .SAT NIGHT...SW wind 20 kt. Seas 6 ft. .SUN...S wind 35 kt. Seas 9 ft. .MON...S wind 40 kt. Seas 10 ft. .TUE...NW wind 25 kt. Seas 7 ft. $$ PKZ771-230045- Unalaska Bay- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. .SAT...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. .SAT NIGHT...Variable wind less than 10 kt. Seas 2 ft. .SUN...S wind 20 kt. Seas 2 ft. .MON...S wind 30 kt. Seas 3 ft. .TUE...S wind 20 kt. Seas 3 ft. $$ PKZ773-230045- Cape Sarichef to Nikolski Pacific Side out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind 10 kt. Seas 3 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 3 ft. Areas of fog. .SAT...Variable wind 10 kt. Seas 2 ft. Areas of fog. .SAT NIGHT...Variable wind 10 kt. Seas 2 ft. .SUN...S wind 25 kt. Seas 4 ft. .MON...S wind 30 kt. Seas 8 ft. .TUE...S wind 35 kt. Seas 9 ft. $$ PKZ774-230045- Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind 10 kt. Seas 4 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 4 ft. Areas of fog. .SAT...Variable wind 10 kt. Seas 4 ft. Areas of fog. .SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...SW wind 25 kt. Seas 5 ft. .MON...S wind 35 kt. Seas 9 ft. .TUE...S wind 40 kt. Seas 11 ft. $$ PKZ775-230045- Nikolski to Seguam Bering Side out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...W wind 15 kt. Seas 2 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 3 ft. Areas of fog. .SAT...SW wind 15 kt. Seas 4 ft. Areas of fog. .SAT NIGHT...S wind 20 kt. Seas 5 ft. .SUN THROUGH MON...S wind 35 kt. Seas 7 ft. .TUE...NW wind 25 kt. Seas 6 ft. $$ PKZ776-230045- Nikolski to Seguam Bering Side from 15 to 85 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...SW wind 20 kt. Seas 4 ft. Areas of fog. .TONIGHT...SW wind 15 kt. Seas 4 ft. Areas of fog. .SAT...SW wind 15 kt. Seas 6 ft. Areas of fog. .SAT NIGHT...S wind 25 kt. Seas 7 ft. .SUN THROUGH MON...SW wind 40 kt. Seas 10 ft. .TUE...NW wind 25 kt. Seas 7 ft. $$ PKZ777-230045- Nikolski to Seguam Pacfic Side out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind 10 kt. Seas 3 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 3 ft. Areas of fog. .SAT...Variable wind 10 kt. Seas 3 ft. Areas of fog. .SAT NIGHT...SW wind 15 kt. Seas 4 ft. .SUN THROUGH MON...S wind 35 kt. Seas 8 ft. .TUE...NW wind 30 kt. Seas 9 ft. $$ PKZ778-230045- Nikolski to Seguam Pacific Side from 15 to 75 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...W wind 20 kt. Seas 4 ft. Areas of fog. .TONIGHT...W wind 15 kt. Seas 4 ft. Areas of fog. .SAT...Variable wind 10 kt. Seas 5 ft. Areas of fog. .SAT NIGHT...SW wind 15 kt. Seas 5 ft. .SUN THROUGH MON...S wind 35 kt. Seas 9 ft. .TUE...W wind 25 kt. Seas 9 ft. $$ PKZ780-230045- Seguam to Adak Bering Side out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...SW wind 20 kt. Seas 2 ft. Areas of fog. .TONIGHT...SW wind 20 kt. Seas 3 ft. Areas of fog. .SAT...S wind 20 kt. Seas 5 ft. Areas of fog. .SAT NIGHT...S wind 25 kt. Seas 5 ft. .SUN...S wind 35 kt. Seas 7 ft. .MON...NW wind 35 kt. Seas 6 ft. .TUE...NW wind 25 kt. Seas 3 ft. $$ PKZ781-230045- Seguam to Adak Bering Side from 15 to 85 NM- 331 AM AKDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...SW wind 25 kt. Seas 5 ft. Areas of fog. .TONIGHT...SW wind 25 kt. Seas 7 ft. Areas of fog. .SAT...S wind 25 kt. Seas 8 ft. Areas of fog. .SAT NIGHT...S wind 30 kt. Seas 8 ft. .SUN...S wind 35 kt. Seas 10 ft. .MON...NW wind 35 kt. Seas 10 ft. .TUE...NW wind 25 kt. Seas 4 ft. $$ PKZ782-230045- Seguam to Adak Pacific Side out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...SW wind 20 kt. Seas 4 ft. Areas of fog. .TONIGHT...SW wind 20 kt. Seas 3 ft. Areas of fog. .SAT...SW wind 20 kt. Seas 5 ft. Areas of fog. .SAT NIGHT...S wind 25 kt. Seas 6 ft. .SUN...S wind 35 kt. Seas 11 ft. .MON...W wind 35 kt. Seas 11 ft. .TUE...NW wind 25 kt. Seas 6 ft. $$ PKZ783-230045- Seguam to Adak Pacific Side from 15 to 75 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...SW wind 20 kt. Seas 5 ft. Areas of fog. .TONIGHT...SW wind 20 kt. Seas 5 ft. Areas of fog. .SAT...SW wind 20 kt. Seas 7 ft. Areas of fog. .SAT NIGHT...S wind 25 kt. Seas 8 ft. .SUN...S wind 35 kt. Seas 12 ft. .MON...W wind 35 kt. Seas 12 ft. .TUE...NW wind 30 kt. Seas 8 ft. $$ PKZ784-230045- Adak to Kiska Bering Side- 331 AM AKDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...SW wind 30 kt. Seas 7 ft. Areas of fog. .TONIGHT...S wind 30 kt. Seas 9 ft. Areas of fog. .SAT...S wind 30 kt. Seas 10 ft. Widespread rain showers. .SAT NIGHT...S wind 30 kt. Seas 8 ft. .SUN...S wind 25 kt. Seas 8 ft. .MON...NW wind 20 kt. Seas 8 ft. .TUE...W wind 25 kt. Seas 7 ft. $$ PKZ785-230045- Adak to Kiska Pacific Side- 331 AM AKDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...SW wind 25 kt. Seas 6 ft. Areas of fog. .TONIGHT...SW wind 30 kt. Seas 8 ft. Areas of fog. .SAT...S wind 30 kt. Seas 10 ft. Areas of fog. Rain showers. .SAT NIGHT...S wind 30 kt. Seas 8 ft. .SUN...S wind 30 kt. Seas 10 ft. .MON...NW wind 20 kt. Seas 10 ft. .TUE...W wind 30 kt. Seas 8 ft. $$ PKZ786-230045- Kiska to Attu Bering Side- 331 AM AKDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...S wind 30 kt. Seas 14 ft. Rain showers. .TONIGHT...S wind 30 kt. Seas 9 ft. Widespread rain showers. .SAT...S wind 25 kt. Seas 9 ft. .SAT NIGHT...SW wind 15 kt. Seas 7 ft. .SUN...NW wind 15 kt. Seas 4 ft. .MON...W wind 20 kt. Seas 5 ft. .TUE...W wind 25 kt. Seas 7 ft. $$ PKZ787-230045- Kiska to Attu Pacific Side- 331 AM AKDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...S wind 30 kt. Seas 12 ft. Widespread rain showers. .TONIGHT...S wind 30 kt. Seas 10 ft. Widespread rain showers. .SAT...S wind 30 kt. Seas 9 ft. Widespread rain showers. .SAT NIGHT...SW wind 25 kt. Seas 7 ft. .SUN...NW wind 15 kt. Seas 7 ft. .MON...W wind 20 kt. Seas 7 ft. .TUE...W wind 25 kt. Seas 6 ft. $$ PKZ766-230045- Pribilof Islands Nearshore Waters- 331 AM AKDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...S wind 20 kt. Seas 4 ft. Areas of fog. .TONIGHT...SW wind 20 kt. Seas 5 ft. Areas of fog. .SAT...SW wind 20 kt. Seas 8 ft. Areas of fog. .SAT NIGHT...SW wind 25 kt. Seas 8 ft. .SUN...S wind 30 kt. Seas 9 ft. .MON...SW wind 35 kt. Seas 12 ft. .TUE...NW wind 25 kt. Seas 6 ft. $$ PKZ760-230045- Bristol Bay greater than 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. .TONIGHT...SW wind 10 kt increasing to 15 kt after midnight. Seas 2 ft. .SAT...SW wind 15 kt. Seas 3 ft. Patchy fog. .SAT NIGHT...SW wind 10 kt. Seas 3 ft. .SUN...SW wind 20 kt. Seas 4 ft. .MON...S wind 30 kt. Seas 7 ft. .TUE...SE wind 40 kt. Seas 8 ft. $$ PKZ761-230045- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. .TONIGHT...Variable wind less than 10 kt becoming SW 10 kt after midnight. Seas 2 ft. .SAT...SW wind 15 kt. Seas 3 ft. Patchy fog. .SAT NIGHT...SW wind 10 kt. Seas 3 ft. .SUN...SW wind 15 kt. Seas 3 ft. .MON...SE wind 25 kt. Seas 3 ft. .TUE...SE wind 40 kt. Seas 4 ft. $$ PKZ762-230045- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 331 AM AKDT Fri Aug 22 2025 .TODAY...Variable wind less than 10 kt becoming S 10 kt in the afternoon. Seas 2 ft. Areas of fog. .TONIGHT...SW wind 10 kt increasing to 15 kt after midnight. Seas 2 ft. .SAT...SW wind 15 kt diminishing to 10 kt in the afternoon. Seas 3 ft. Patchy fog. .SAT NIGHT...SW wind 10 kt. Seas 3 ft. .SUN...SW wind 20 kt. Seas 3 ft. .MON...S wind 25 kt. Seas 4 ft. .TUE...SE wind 35 kt. Seas 4 ft. $$ PKZ763-230045- Kuskokwim Delta and Etolin Strait out to 15 NM- 331 AM AKDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 15 kt increasing to 25 kt in the afternoon. Seas 3 ft. Areas of fog. .TONIGHT...S wind 25 kt. Seas 4 ft. Rain showers. .SAT...SW wind 20 kt. Seas 4 ft. Patchy fog. .SAT NIGHT...SW wind 20 kt. Seas 4 ft. .SUN...S wind 30 kt. Seas 5 ft. .MON...S wind 35 kt. Seas 7 ft. .TUE...S wind 30 kt. Seas 7 ft. $$ PKZ764-230045- Kuskokwim Delta from 15 to 80 NM- 331 AM AKDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 25 kt. Seas 4 ft. Areas of fog. .TONIGHT...S wind 25 kt. Seas 6 ft. Areas of fog. .SAT...SW wind 20 kt. Seas 5 ft. Areas of fog. .SAT NIGHT...SW wind 20 kt. Seas 7 ft. .SUN...S wind 30 kt. Seas 8 ft. .MON THROUGH TUE...S wind 35 kt. Seas 10 ft. $$ PKZ765-230045- North and West of Nunivak Island- 331 AM AKDT Fri Aug 22 2025 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...S wind 30 kt. Seas 7 ft. Rain showers. .TONIGHT...S wind 30 kt. Seas 8 ft. Areas of fog. .SAT...SW wind 25 kt. Seas 7 ft. Areas of fog. .SAT NIGHT...SW wind 25 kt. Seas 8 ft. .SUN...S wind 20 kt. Seas 8 ft. .MON...S wind 25 kt. Seas 10 ft. .TUE...NW wind 25 kt. Seas 7 ft. $$ PKZ767-230045- Saint Matthew Island Waters- 331 AM AKDT Fri Aug 22 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...SW wind 35 kt W of Saint Matthew Island. E of Saint Matthew Island, S wind 30 kt. Seas 11 ft. Widespread rain showers. .TONIGHT...SW wind 35 kt diminishing to 25 kt after midnight W of Saint Matthew Island. E of Saint Matthew Island, SW wind 30 kt. Seas 14 ft. .SAT...SW wind 25 kt. Seas 14 ft subsiding to 8 ft in the afternoon. .SAT NIGHT...S wind 20 kt. Seas 8 ft. .SUN...SE wind 15 kt. Seas 7 ft. .MON THROUGH TUE...NW wind 20 kt. Seas 8 ft. $$