Coastal Waters Forecast
Issued by NWS
Issued by NWS
441 FZAK52 PAFC 131229 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 429 AM AKDT Wed Aug 13 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. PKZ199-140115- 429 AM AKDT Wed Aug 13 2025 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 1009 mb low develops 120 nm SW of Sitkinak Island this morning. This low exits to the southwestern Gulf of Alaska this afternoon at 1008 mb. A series of weak low pressure systems and fronts linger across the western Bering and Western Aleutian Chain through Fri morning. $$ PKZ750-140115- Sitkinak to Castle Cape out to 15 NM- 429 AM AKDT Wed Aug 13 2025 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...E wind 15 kt. Seas 4 ft. .TONIGHT...NW wind 15 kt. Seas 5 ft. .THU...NW wind 25 kt. Seas 4 ft. .THU NIGHT...NW wind 30 kt. Seas 5 ft. .FRI THROUGH SAT...NW wind 30 kt. Seas 6 ft. .SUN...NW wind 25 kt. Seas 4 ft. $$ PKZ751-140115- Sitkinak to Castle Cape from 15 to 100 NM- 429 AM AKDT Wed Aug 13 2025 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...NW wind 15 kt. Seas 7 ft. .TONIGHT...NW wind 20 kt. Seas 7 ft. .THU...NW wind 25 kt. Seas 7 ft. .THU NIGHT...NW wind 30 kt. Seas 8 ft. .FRI...NW wind 30 kt. Seas 10 ft. .SAT...NW wind 35 kt. Seas 10 ft. .SUN...W wind 25 kt. Seas 7 ft. $$ PKZ752-140115- Castle Cape to Cape Tolstoi out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...Variable wind 10 kt becoming NW 15 kt in the afternoon. Seas 4 ft. .TONIGHT...NW wind 20 kt. Seas 4 ft. .THU...NW wind 20 kt. Seas 3 ft. .THU NIGHT...NW wind 20 kt. Seas 3 ft. .FRI THROUGH SAT...NW wind 20 kt. Seas 3 ft. .SUN...W wind 15 kt. Seas 2 ft. $$ PKZ753-140115- Castle Cape to Cape Tolstoi from 15 to 100 NM- 429 AM AKDT Wed Aug 13 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...W wind 15 kt. Seas 9 ft. .TONIGHT...NW wind 20 kt. Seas 8 ft. .THU...NW wind 20 kt. Seas 7 ft. .THU NIGHT...NW wind 25 kt. Seas 7 ft. .FRI THROUGH SAT...NW wind 25 kt. Seas 7 ft. .SUN...W wind 15 kt. Seas 5 ft. $$ PKZ754-140115- Cape Tolstoi to Cape Sarichef out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...NW wind 20 kt. Seas 6 ft. .TONIGHT...NW wind 20 kt. Seas 5 ft. .THU...NW wind 20 kt. Seas 4 ft. .THU NIGHT...NW wind 20 kt. Seas 4 ft. .FRI THROUGH SAT...NW wind 15 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 2 ft. $$ PKZ755-140115- Cape Tolstoi to Cape Sarichef from 15 to 100 NM- 429 AM AKDT Wed Aug 13 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...W wind 15 kt. Seas 9 ft. .TONIGHT...NW wind 20 kt. Seas 7 ft. .THU...NW wind 20 kt. Seas 6 ft. .THU NIGHT...NW wind 20 kt. Seas 6 ft. .FRI THROUGH SAT...W wind 20 kt. Seas 6 ft. .SUN...SW wind 15 kt. Seas 4 ft. $$ PKZ756-140115- Port Heiden to Nelson Lagoon out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...W wind 15 kt. Seas 3 ft. .TONIGHT...NW wind 15 kt. Seas 3 ft. .THU...NW wind 20 kt. Seas 6 ft. .THU NIGHT...NW wind 20 kt. Seas 5 ft. .FRI THROUGH SAT...NW wind 20 kt. Seas 4 ft. .SUN...N wind 15 kt. Seas 2 ft. $$ PKZ757-140115- Port Heiden to Nelson Lagoon from 15 to 60 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...W wind 15 kt. Seas 3 ft. .TONIGHT...NW wind 20 kt. Seas 4 ft. .THU...NW wind 20 kt. Seas 6 ft. .THU NIGHT...NW wind 20 kt. Seas 6 ft. .FRI THROUGH SAT...NW wind 20 kt. Seas 5 ft. .SUN...N wind 15 kt. Seas 3 ft. $$ PKZ758-140115- Nelson Lagoon to Cape Sarichef out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...W wind 15 kt. Seas 3 ft. .TONIGHT...NW wind 15 kt. Seas 3 ft. .THU...NW wind 15 kt. Seas 5 ft. .THU NIGHT...W wind 15 kt. Seas 4 ft. .FRI THROUGH SAT...NW wind 20 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 2 ft. $$ PKZ759-140115- Nelson Lagoon to Cape Sarichef from 15 to 70 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...W wind 15 kt. Seas 4 ft. .TONIGHT...NW wind 15 kt. Seas 4 ft. .THU...NW wind 15 kt. Seas 5 ft. .THU NIGHT...W wind 15 kt. Seas 4 ft. .FRI...W wind 20 kt. Seas 4 ft. .SAT...NW wind 15 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 3 ft. $$ PKZ770-140115- Cape Sarichef to Nikolski Bering Side out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...NW wind 15 kt. Seas 3 ft. Areas of fog. .TONIGHT...N wind 15 kt. Seas 3 ft. Patchy fog. .THU...N wind 15 kt. Seas 3 ft. Patchy fog. .THU NIGHT...NW wind 15 kt. Seas 3 ft. .FRI...W wind 15 kt. Seas 3 ft. .SAT...SE wind 20 kt. Seas 2 ft. .SUN...SE wind 15 kt. Seas 2 ft. $$ PKZ772-140115- Cape Sarichef to Nikolski Bering Side from 15 to 85 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...NW wind 15 kt. Seas 4 ft. Areas of fog. .TONIGHT...N wind 15 kt. Seas 4 ft. Patchy fog. .THU...Variable wind 10 kt. Seas 4 ft. Patchy fog. .THU NIGHT...W wind 15 kt. Seas 3 ft. .FRI...W wind 15 kt. Seas 3 ft. .SAT...SE wind 15 kt. Seas 3 ft. .SUN...Variable wind 10 kt. Seas 3 ft. $$ PKZ771-140115- Unalaska Bay- 429 AM AKDT Wed Aug 13 2025 .TODAY...NW wind 15 kt. Seas 2 ft. Areas of fog. .TONIGHT...NW wind 10 kt increasing to 15 kt after midnight. Seas 2 ft. Patchy fog. .THU...NW wind 15 kt diminishing to 10 kt in the afternoon. Seas 2 ft. Patchy fog. .THU NIGHT...NW wind 10 kt. Seas 2 ft. .FRI...W wind 10 kt. Seas 2 ft. .SAT THROUGH SUN...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ773-140115- Cape Sarichef to Nikolski Pacific Side out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...NW wind 15 kt. Seas 7 ft. Patchy fog. .TONIGHT...N wind 20 kt. Seas 6 ft. Patchy fog. .THU...NW wind 20 kt. Seas 5 ft. Patchy fog. .THU NIGHT...NW wind 15 kt. Seas 5 ft. .FRI...W wind 15 kt. Seas 4 ft. .SAT...S wind 15 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 4 ft. $$ PKZ774-140115- Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM- 429 AM AKDT Wed Aug 13 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...NW wind 15 kt. Seas 8 ft. .TONIGHT...N wind 20 kt. Seas 6 ft. Patchy fog. .THU...N wind 20 kt. Seas 6 ft. Patchy fog. .THU NIGHT...NW wind 15 kt. Seas 6 ft. .FRI...W wind 15 kt. Seas 5 ft. .SAT THROUGH SUN...SW wind 15 kt. Seas 5 ft. $$ PKZ775-140115- Nikolski to Seguam Bering Side out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...Variable wind 10 kt. Seas 6 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 5 ft. Patchy fog. .THU...Variable wind 10 kt. Seas 5 ft. Patchy fog. .THU NIGHT...Variable wind 10 kt. Seas 5 ft. .FRI...SE wind 15 kt. Seas 4 ft. .SAT...SE wind 20 kt. Seas 3 ft. .SUN...SW wind 15 kt. Seas 4 ft. $$ PKZ776-140115- Nikolski to Seguam Bering Side from 15 to 85 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...Variable wind 10 kt. Seas 5 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 4 ft. Patchy fog. .THU...Variable wind 10 kt. Seas 4 ft. Patchy fog. .THU NIGHT...Variable wind 10 kt. Seas 4 ft. .FRI...SE wind 15 kt. Seas 4 ft. .SAT...SE wind 20 kt. Seas 4 ft. .SUN...SW wind 15 kt. Seas 4 ft. $$ PKZ777-140115- Nikolski to Seguam Pacfic Side out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...Variable wind 10 kt. Seas 6 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 5 ft. Patchy fog. .THU...Variable wind 10 kt. Seas 5 ft. Patchy fog. .THU NIGHT...Variable wind 10 kt. Seas 5 ft. .FRI...SE wind 15 kt. Seas 5 ft. .SAT...SE wind 20 kt. Seas 4 ft. .SUN...SW wind 15 kt. Seas 5 ft. $$ PKZ778-140115- Nikolski to Seguam Pacific Side from 15 to 75 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...Variable wind 10 kt. Seas 7 ft. Patchy fog. .TONIGHT...NE wind 15 kt. Seas 6 ft. Patchy fog. .THU...Variable wind 10 kt. Seas 6 ft. Patchy fog. .THU NIGHT...Variable wind 10 kt. Seas 6 ft. .FRI THROUGH SAT...S wind 20 kt. Seas 6 ft. .SUN...SW wind 20 kt. Seas 7 ft. $$ PKZ780-140115- Seguam to Adak Bering Side out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...Variable wind 10 kt. Seas 3 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 2 ft. Patchy fog. .THU...Variable wind 10 kt. Seas 2 ft. Patchy fog. .THU NIGHT...SE wind 15 kt. Seas 3 ft. .FRI THROUGH SAT...S wind 15 kt. Seas 3 ft. .SUN...W wind 15 kt. Seas 5 ft. $$ PKZ781-140115- Seguam to Adak Bering Side from 15 to 85 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...Variable wind 10 kt. Seas 4 ft. Patchy fog. .TONIGHT...Variable wind 10 kt. Seas 3 ft. Patchy fog. .THU...Variable wind 10 kt. Seas 3 ft. Patchy fog. .THU NIGHT...SE wind 15 kt. Seas 3 ft. .FRI THROUGH SAT...SE wind 15 kt. Seas 4 ft. .SUN...W wind 20 kt. Seas 5 ft. $$ PKZ782-140115- Seguam to Adak Pacific Side out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...NE wind 15 kt. Seas 6 ft. Areas of fog. Rain. .TONIGHT...NE wind 15 kt. Seas 5 ft. Patchy fog. .THU...E wind 15 kt. Seas 6 ft. Patchy fog. .THU NIGHT...SE wind 15 kt. Seas 6 ft. .FRI THROUGH SAT...S wind 15 kt. Seas 5 ft. .SUN...SW wind 15 kt. Seas 6 ft. $$ PKZ783-140115- Seguam to Adak Pacific Side from 15 to 75 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...E wind 15 kt. Seas 6 ft. Patchy fog. .TONIGHT...NE wind 15 kt. Seas 6 ft. Patchy fog. .THU...E wind 15 kt. Seas 6 ft. Patchy fog. .THU NIGHT...SE wind 15 kt. Seas 6 ft. .FRI THROUGH SAT...S wind 20 kt. Seas 7 ft. .SUN...SW wind 20 kt. Seas 7 ft. $$ PKZ784-140115- Adak to Kiska Bering Side- 429 AM AKDT Wed Aug 13 2025 .TODAY...Variable wind 10 kt. Seas 4 ft. Areas of fog. .TONIGHT...Variable wind 10 kt. Seas 3 ft. Patchy fog. .THU...SE wind 15 kt. Seas 3 ft. Patchy fog. .THU NIGHT...E wind 15 kt. Seas 4 ft. .FRI...E wind 15 kt. Seas 4 ft. .SAT...Variable wind 10 kt. Seas 3 ft. .SUN...W wind 15 kt. Seas 4 ft. $$ PKZ785-140115- Adak to Kiska Pacific Side- 429 AM AKDT Wed Aug 13 2025 .TODAY...E wind 15 kt. Seas 6 ft. Patchy fog. .TONIGHT...E wind 15 kt. Seas 6 ft. Patchy fog. .THU...E wind 20 kt. Seas 7 ft. Patchy fog. .THU NIGHT...E wind 20 kt. Seas 7 ft. .FRI...Variable wind 10 kt. Seas 6 ft. .SAT...S wind 20 kt. Seas 5 ft. .SUN...W wind 20 kt. Seas 6 ft. $$ PKZ786-140115- Kiska to Attu Bering Side- 429 AM AKDT Wed Aug 13 2025 .TODAY...Variable wind 10 kt. Seas 4 ft. Patchy fog. .TONIGHT...Variable wind 10 kt. Seas 4 ft. Patchy fog. .THU...Variable wind 10 kt. Seas 4 ft. Patchy fog. .THU NIGHT...SE wind 15 kt. Seas 4 ft. .FRI...E wind 15 kt. Seas 4 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SUN...SW wind 25 kt. Seas 5 ft. $$ PKZ787-140115- Kiska to Attu Pacific Side- 429 AM AKDT Wed Aug 13 2025 .TODAY...Variable wind 10 kt. Seas 5 ft. Patchy fog. .TONIGHT...SE wind 15 kt. Seas 5 ft. Patchy fog. .THU...E wind 20 kt. Seas 6 ft. Patchy fog. .THU NIGHT...E wind 20 kt. Seas 7 ft. .FRI...E wind 15 kt. Seas 6 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SUN...SW wind 25 kt. Seas 6 ft. $$ PKZ766-140115- Pribilof Islands Nearshore Waters- 429 AM AKDT Wed Aug 13 2025 .TODAY...NW wind 15 kt. Seas 5 ft. Patchy fog. .TONIGHT...Variable wind 10 kt. Seas 3 ft. Patchy fog. .THU...Variable wind 10 kt becoming SW 15 kt in the afternoon. Seas 3 ft. Patchy fog. .THU NIGHT...W wind 15 kt. Seas 4 ft. .FRI...W wind 15 kt. Seas 4 ft. .SAT...S wind 15 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 4 ft. $$ PKZ760-140115- Bristol Bay greater than 15 NM- 429 AM AKDT Wed Aug 13 2025 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...S wind 10 kt. Seas 3 ft. .TONIGHT...NW wind 20 kt. Seas 4 ft. .THU...NW wind 25 kt. Seas 6 ft. .THU NIGHT...NW wind 25 kt. Seas 6 ft. .FRI THROUGH SAT...NW wind 25 kt. Seas 5 ft. .SUN...NW wind 20 kt. Seas 4 ft. $$ PKZ761-140115- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...SE wind 15 kt becoming SW in the afternoon. Seas 2 ft. .TONIGHT...W wind 15 kt. Seas 3 ft. .THU...NW wind 20 kt. Seas 6 ft. .THU NIGHT...W wind 20 kt. Seas 6 ft. .FRI THROUGH SAT...NW wind 25 kt. Seas 5 ft. .SUN...NW wind 15 kt. Seas 3 ft. $$ PKZ762-140115- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 429 AM AKDT Wed Aug 13 2025 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...SE wind 15 kt becoming S in the afternoon. Seas 3 ft. .TONIGHT...NW wind 20 kt. Seas 2 ft. .THU...NW wind 25 kt. Seas 4 ft. .THU NIGHT...NW wind 20 kt. Seas 3 ft. .FRI THROUGH SAT...NW wind 20 kt. Seas 3 ft. .SUN...NW wind 15 kt. Seas 2 ft. $$ PKZ763-140115- Kuskokwim Delta and Etolin Strait out to 15 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...W wind 10 kt becoming NW 20 kt in the afternoon. Seas 4 ft. .TONIGHT...NW wind 20 kt. Seas 4 ft. .THU...NW wind 20 kt. Seas 3 ft. .THU NIGHT...W wind 15 kt. Seas 2 ft. .FRI...NW wind 15 kt. Seas 3 ft. .SAT...W wind 20 kt. Seas 2 ft. .SUN...NW wind 15 kt. Seas 2 ft. $$ PKZ764-140115- Kuskokwim Delta from 15 to 80 NM- 429 AM AKDT Wed Aug 13 2025 .TODAY...W wind 15 kt. Seas 5 ft. .TONIGHT...NW wind 20 kt. Seas 5 ft. .THU...NW wind 20 kt. Seas 6 ft. .THU NIGHT...W wind 20 kt. Seas 4 ft. .FRI THROUGH SAT...W wind 20 kt. Seas 4 ft. .SUN...N wind 15 kt. Seas 3 ft. $$ PKZ765-140115- North and West of Nunivak Island- 429 AM AKDT Wed Aug 13 2025 .TODAY...NW wind 20 kt. Seas 6 ft. .TONIGHT...NW wind 15 kt. Seas 6 ft. .THU...Variable wind 10 kt. Seas 4 ft. .THU NIGHT...SW wind 15 kt. Seas 3 ft. .FRI...W wind 15 kt. Seas 5 ft. .SAT...SW wind 20 kt. Seas 3 ft. .SUN...S wind 15 kt. Seas 4 ft. $$ PKZ767-140115- Saint Matthew Island Waters- 429 AM AKDT Wed Aug 13 2025 .TODAY...N wind 15 kt. Seas 6 ft. .TONIGHT...Variable wind 10 kt. Seas 4 ft. .THU...SW wind 15 kt. Seas 4 ft. .THU NIGHT...SW wind 15 kt. Seas 5 ft. .FRI...SW wind 20 kt. Seas 6 ft. .SAT...S wind 20 kt. Seas 5 ft. .SUN...S wind 15 kt. Seas 5 ft. $$