Coastal Waters Forecast
Issued by NWS
Issued by NWS
635 FZAK52 PAFC 041342 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 442 AM AKST Thu Dec 4 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. PKZ199-050245- 442 AM AKST Thu Dec 4 2025 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 990 mb low 140 nm S of Cold Bay slowly dissipates through Fri morning. A broad front overspreads the Western Bering Thu afternoon with a 1001 mb low developing 250 nm SW of Adak Fri afternoon, then continuing SE into the North Pacific by Sat morning. $$ PKZ750-050245- Sitkinak to Castle Cape out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SE wind 20 kt. Seas 9 ft. Rain showers. .TONIGHT...E wind 15 kt. Seas 6 ft. .FRI...NW wind 20 kt. Seas 5 ft. .FRI NIGHT...NW wind 30 kt. Seas 6 ft. .SAT...NW wind 30 kt. Seas 6 ft. .SUN THROUGH MON...N wind 25 kt. Seas 7 ft. $$ PKZ751-050245- Sitkinak to Castle Cape from 15 to 100 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SE wind 20 kt. Seas 11 ft. .TONIGHT...E wind 15 kt. Seas 8 ft. Rain showers. .FRI...N wind 15 kt. Seas 6 ft. Rain showers. .FRI NIGHT...NW wind 30 kt. Seas 10 ft. .SAT...NW wind 30 kt. Seas 10 ft. .SUN THROUGH MON...N wind 25 kt. Seas 10 ft. $$ PKZ752-050245- Castle Cape to Cape Tolstoi out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SE wind 15 kt. Seas 8 ft. Rain showers. .TONIGHT...E wind 15 kt. Seas 6 ft. Rain showers. .FRI...NE wind 15 kt. Seas 4 ft. Rain showers. .FRI NIGHT...NW wind 20 kt. Seas 3 ft. .SAT...NW wind 30 kt. Seas 4 ft. .SUN THROUGH MON...N wind 20 kt. Seas 3 ft. $$ PKZ753-050245- Castle Cape to Cape Tolstoi from 15 to 100 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SE wind 20 kt. Seas 11 ft. .TONIGHT...Variable wind 10 kt. Seas 7 ft. .FRI...NW wind 15 kt. Seas 5 ft. .FRI NIGHT...NW wind 20 kt. Seas 6 ft. .SAT...NW wind 35 kt. Seas 12 ft. .SUN THROUGH MON...N wind 20 kt. Seas 10 ft. $$ PKZ754-050245- Cape Tolstoi to Cape Sarichef out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...NE wind 15 kt. Seas 8 ft. Rain showers. .TONIGHT...NE wind 15 kt. Seas 6 ft. Rain showers. .FRI...Variable wind 10 kt becoming N 20 kt in the afternoon. Seas 4 ft. .FRI NIGHT...N wind 25 kt. Seas 3 ft. .SAT...NW wind 40 kt. Seas 6 ft. .SUN...N wind 30 kt. Seas 4 ft. .MON...N wind 25 kt. Seas 5 ft. $$ PKZ755-050245- Cape Tolstoi to Cape Sarichef from 15 to 100 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SE wind 15 kt. Seas 11 ft. .TONIGHT...E wind 15 kt. Seas 7 ft. .FRI...NW wind 15 kt. Seas 5 ft. .FRI NIGHT...NW wind 25 kt. Seas 5 ft. .SAT...NW wind 40 kt. Seas 13 ft. .SUN...N wind 30 kt. Seas 9 ft. .MON...N wind 25 kt. Seas 10 ft. $$ PKZ756-050245- Port Heiden to Nelson Lagoon out to 15 NM- 442 AM AKST Thu Dec 4 2025 .TODAY...E wind 15 kt. Seas 4 ft. .TONIGHT...NE wind 20 kt. Seas 5 ft. .FRI...NE wind 20 kt. Seas 5 ft. .FRI NIGHT...N wind 25 kt. Seas 6 ft. .SAT...N wind 30 kt. Seas 13 ft. .SUN THROUGH MON...N wind 25 kt. Seas 8 ft. $$ PKZ757-050245- Port Heiden to Nelson Lagoon from 15 to 60 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...E wind 15 kt becoming NE 25 kt in the afternoon. Seas 6 ft. .TONIGHT...NE wind 25 kt. Seas 7 ft. .FRI...NE wind 20 kt. Seas 6 ft. .FRI NIGHT...N wind 30 kt. Seas 10 ft. .SAT...N wind 40 kt. Seas 16 ft. .SUN THROUGH MON...N wind 25 kt. Seas 10 ft. $$ PKZ758-050245- Nelson Lagoon to Cape Sarichef out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...NE wind 15 kt. Seas 9 ft. .TONIGHT...NE wind 15 kt. Seas 7 ft. .FRI...NE wind 20 kt. Seas 5 ft. .FRI NIGHT...N wind 25 kt. Seas 6 ft. .SAT...N wind 40 kt. Seas 16 ft. .SUN...N wind 35 kt. Seas 13 ft. .MON...N wind 25 kt. Seas 10 ft. $$ PKZ759-050245- Nelson Lagoon to Cape Sarichef from 15 to 70 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NE wind 25 kt. Seas 12 ft. .TONIGHT...NE wind 25 kt. Seas 9 ft. .FRI...NE wind 20 kt. Seas 7 ft. .FRI NIGHT...N wind 30 kt. Seas 11 ft. .SAT THROUGH SUN...N wind 40 kt. Seas 18 ft. .MON...N wind 25 kt. Seas 13 ft. $$ PKZ770-050245- Cape Sarichef to Nikolski Bering Side out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 25 kt. Seas 14 ft. .TONIGHT...N wind 20 kt in the evening becoming variable 10 kt. Seas 10 ft. Rain showers. .FRI...Variable wind 10 kt. Seas 7 ft. .FRI NIGHT...N wind 25 kt. Seas 6 ft. .SAT THROUGH SUN...N wind 35 kt. Seas 17 ft. .MON...N wind 30 kt. Seas 10 ft. $$ PKZ772-050245- Cape Sarichef to Nikolski Bering Side from 15 to 85 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...N wind 30 kt. Seas 14 ft. .TONIGHT...NE wind 25 kt. Seas 10 ft. .FRI...NE wind 20 kt. Seas 8 ft. .FRI NIGHT...NE wind 25 kt. Seas 7 ft. .SAT THROUGH SUN...N wind 35 kt. Seas 19 ft. .MON...N wind 30 kt. Seas 13 ft. $$ PKZ771-050245- Unalaska Bay- 442 AM AKST Thu Dec 4 2025 .TODAY...N wind 20 kt. Seas 7 ft. Rain showers. .TONIGHT...N wind 15 kt in the evening becoming variable less than 10 kt. Seas 5 ft subsiding to 3 ft after midnight. Rain showers. .FRI...Variable wind less than 10 kt. Seas 3 ft. Rain showers. .FRI NIGHT...N wind 20 kt. Seas 5 ft. .SAT THROUGH SUN...N wind 30 kt. Seas 13 ft. .MON...N wind 20 kt. Seas 7 ft. $$ PKZ773-050245- Cape Sarichef to Nikolski Pacific Side out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...N wind 25 kt. Seas 7 ft. .TONIGHT...N wind 15 kt. Seas 5 ft. .FRI...Variable wind 10 kt. Seas 4 ft. .FRI NIGHT...N wind 25 kt. Seas 4 ft. .SAT THROUGH SUN...N wind 35 kt. Seas 8 ft. .MON...N wind 25 kt. Seas 6 ft. $$ PKZ774-050245- Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...N wind 25 kt. Seas 8 ft. .TONIGHT...N wind 15 kt in the evening becoming variable 10 kt. Seas 6 ft. .FRI...Variable wind 10 kt. Seas 4 ft. .FRI NIGHT...N wind 25 kt. Seas 5 ft. .SAT THROUGH SUN...N wind 35 kt. Seas 12 ft. .MON...N wind 25 kt. Seas 10 ft. $$ PKZ775-050245- Nikolski to Seguam Bering Side out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 30 kt. Seas 16 ft. .TONIGHT...N wind 20 kt in the evening becoming variable 10 kt. Seas 11 ft. .FRI...Variable wind 10 kt. Seas 7 ft. .FRI NIGHT...N wind 15 kt. Seas 6 ft. .SAT...N wind 30 kt. Seas 12 ft. .SUN...N wind 30 kt. Seas 20 ft. .MON...N wind 30 kt. Seas 11 ft. $$ PKZ776-050245- Nikolski to Seguam Bering Side from 15 to 85 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 30 kt. Seas 16 ft. .TONIGHT...NE wind 20 kt. Seas 10 ft. .FRI...Variable wind 10 kt. Seas 7 ft. .FRI NIGHT...N wind 15 kt. Seas 7 ft. .SAT...NE wind 30 kt. Seas 13 ft. .SUN...N wind 30 kt. Seas 22 ft. .MON...N wind 30 kt. Seas 12 ft. $$ PKZ777-050245- Nikolski to Seguam Pacfic Side out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 30 kt. Seas 14 ft. .TONIGHT...N wind 20 kt in the evening becoming variable 10 kt. Seas 9 ft. .FRI...Variable wind 10 kt. Seas 6 ft. .FRI NIGHT...N wind 20 kt. Seas 7 ft. .SAT...N wind 30 kt. Seas 10 ft. .SUN...N wind 30 kt. Seas 18 ft. .MON...N wind 25 kt. Seas 10 ft. $$ PKZ778-050245- Nikolski to Seguam Pacific Side from 15 to 75 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 25 kt. Seas 14 ft. .TONIGHT...N wind 20 kt in the evening becoming variable 10 kt. Seas 10 ft. .FRI...Variable wind 10 kt. Seas 6 ft. .FRI NIGHT...N wind 20 kt. Seas 9 ft. .SAT...N wind 30 kt. Seas 11 ft. .SUN...N wind 30 kt. Seas 16 ft. .MON...N wind 25 kt. Seas 12 ft. $$ PKZ780-050245- Seguam to Adak Bering Side out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 25 kt becoming NE 15 kt in the afternoon. Seas 16 ft. .TONIGHT...NE wind 15 kt. Seas 10 ft. .FRI...Variable wind 10 kt. Seas 7 ft. .FRI NIGHT...NW wind 15 kt. Seas 6 ft. .SAT...NE wind 30 kt. Seas 8 ft. .SUN...N wind 30 kt. Seas 20 ft. .MON...N wind 25 kt. Seas 12 ft. $$ PKZ781-050245- Seguam to Adak Bering Side from 15 to 85 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NE wind 25 kt diminishing to 15 kt in the afternoon. Seas 16 ft. .TONIGHT...E wind 15 kt. Seas 10 ft. .FRI...Variable wind 10 kt. Seas 7 ft. .FRI NIGHT...N wind 15 kt. Seas 8 ft. .SAT...NE wind 30 kt. Seas 9 ft. .SUN...NE wind 30 kt. Seas 22 ft. .MON...N wind 30 kt. Seas 13 ft. $$ PKZ782-050245- Seguam to Adak Pacific Side out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...N wind 25 kt. Seas 8 ft. .TONIGHT...NE wind 15 kt. Seas 5 ft. .FRI...Variable wind 10 kt. Seas 7 ft. Rain. .FRI NIGHT...NW wind 15 kt. Seas 10 ft. .SAT THROUGH SUN...N wind 30 kt. Seas 11 ft. .MON...N wind 25 kt. Seas 8 ft. $$ PKZ783-050245- Seguam to Adak Pacific Side from 15 to 75 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY TODAY AND FRIDAY... .TODAY...N wind 25 kt. Seas 11 ft. .TONIGHT...NE wind 15 kt. Seas 7 ft. .FRI...E wind 15 kt. Seas 5 ft building to 10 ft in the afternoon. Rain. .FRI NIGHT...NW wind 15 kt. Seas 13 ft. .SAT...NE wind 30 kt. Seas 12 ft. .SUN...N wind 30 kt. Seas 16 ft. .MON...N wind 25 kt. Seas 11 ft. $$ PKZ784-050245- Adak to Kiska Bering Side- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...E wind 20 kt increasing to 30 kt in the afternoon. Seas 14 ft. .TONIGHT...SE wind 30 kt. Seas 10 ft. Rain. .FRI...SE wind 15 kt becoming NW in the afternoon. Seas 11 ft. Rain. .FRI NIGHT...NW wind 20 kt. Seas 11 ft. .SAT...E wind 25 kt. Seas 9 ft. .SUN...NE wind 30 kt. Seas 17 ft. .MON...N wind 25 kt. Seas 13 ft. $$ PKZ785-050245- Adak to Kiska Pacific Side- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...E wind 20 kt becoming SE 30 kt in the afternoon. Seas 10 ft. .TONIGHT...SE wind 30 kt. Seas 11 ft. Rain. .FRI...E wind 30 kt becoming NW in the afternoon. Seas 16 ft. Rain. .FRI NIGHT...NW wind 25 kt. Seas 16 ft. .SAT...E wind 25 kt. Seas 13 ft. .SUN...N wind 30 kt. Seas 12 ft. .MON...N wind 25 kt. Seas 10 ft. $$ PKZ786-050245- Kiska to Attu Bering Side- 442 AM AKST Thu Dec 4 2025 ...STORM WARNING TODAY... .TODAY...SE wind 50 kt. Seas 19 ft. Rain. .TONIGHT...S wind 35 kt becoming W 25 kt after midnight. Seas 19 ft. Rain. .FRI...W wind 25 kt. Seas 18 ft. .FRI NIGHT...NW wind 20 kt. Seas 14 ft. .SAT...E wind 25 kt. Seas 12 ft. .SUN...NE wind 25 kt. Seas 13 ft. .MON...NE wind 20 kt. Seas 13 ft. $$ PKZ787-050245- Kiska to Attu Pacific Side- 442 AM AKST Thu Dec 4 2025 ...STORM WARNING TODAY... .TODAY...SE wind 50 kt. Seas 21 ft. Rain. .TONIGHT...SW wind 35 kt becoming W 25 kt after midnight. Seas 19 ft. Rain. .FRI...W wind 30 kt. Seas 20 ft. .FRI NIGHT...SE wind 20 kt. Seas 16 ft. .SAT...E wind 30 kt. Seas 15 ft. .SUN...N wind 25 kt. Seas 11 ft. .MON...N wind 20 kt. Seas 11 ft. $$ PKZ766-050245- Pribilof Islands Nearshore Waters- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NE wind 30 kt. Seas 13 ft. .TONIGHT...NE wind 25 kt. Seas 10 ft. .FRI...NE wind 25 kt. Seas 8 ft. .FRI NIGHT...NE wind 20 kt. Seas 8 ft. .SAT...N wind 35 kt. Seas 15 ft. .SUN...N wind 40 kt. Seas 19 ft. .MON...N wind 30 kt. Seas 13 ft. $$ PKZ760-050245- Bristol Bay greater than 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...E wind 30 kt. Seas 6 ft. .TONIGHT...NE wind 25 kt. Seas 6 ft. .FRI...NE wind 25 kt. Seas 6 ft. Freezing spray. .FRI NIGHT...N wind 30 kt. Seas 5 ft. .SAT...N wind 35 kt. Seas 10 ft. .SUN...N wind 30 kt. Seas 8 ft. .MON...N wind 25 kt. Seas 6 ft. $$ PKZ761-050245- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY FRIDAY... .TODAY...E wind 20 kt. Seas 3 ft. .TONIGHT...NE wind 20 kt. Seas 5 ft. Freezing spray. .FRI...N wind 25 kt. Seas 6 ft. Freezing spray. .FRI NIGHT...N wind 30 kt. Seas 6 ft. .SAT...N wind 35 kt. Seas 9 ft. .SUN...N wind 30 kt. Seas 8 ft. .MON...N wind 25 kt. Seas 6 ft. $$ PKZ762-050245- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NE wind 30 kt. Seas 4 ft. .TONIGHT...NE wind 25 kt. Seas 4 ft. Freezing spray. .FRI...NE wind 25 kt. Seas 3 ft. Freezing spray. .FRI NIGHT...N wind 30 kt. Seas 3 ft. .SAT...N wind 35 kt. Seas 5 ft. .SUN...N wind 30 kt. Seas 3 ft. .MON...N wind 25 kt. Seas 3 ft. $$ PKZ763-050245- Kuskokwim Delta and Etolin Strait out to 15 NM- 442 AM AKST Thu Dec 4 2025 ...HEAVY FREEZING SPRAY WARNING THROUGH FRIDAY... ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NE wind 30 kt. Seas in ice free waters 4 ft. Extreme Freezing Spray at a rate of 4cm an hour or greater may rapidly accumulate on vessels. .TONIGHT...NE wind 25 kt. Seas in ice free waters 3 ft. Extreme Freezing Spray at a rate of 4cm an hour or greater may rapidly accumulate on vessels. .FRI...N wind 25 kt. Seas in ice free waters 3 ft. Extreme Freezing Spray at a rate of 4cm an hour or greater may rapidly accumulate on vessels. .FRI NIGHT...N wind 35 kt. Seas in ice free waters 4 ft. .SAT...N wind 50 kt. Seas in ice free waters 7 ft. .SUN...N wind 45 kt. Seas in ice free waters 6 ft. .MON...N wind 35 kt. Seas in ice free waters 5 ft. $$ PKZ764-050245- Kuskokwim Delta from 15 to 80 NM- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NE wind 30 kt. Seas 8 ft. Freezing spray. .TONIGHT...NE wind 25 kt. Seas 8 ft. Freezing spray. .FRI...N wind 30 kt. Seas 6 ft. Freezing spray. .FRI NIGHT...N wind 35 kt. Seas 10 ft. .SAT THROUGH SUN...N wind 50 kt. Seas 14 ft. .MON...N wind 35 kt. Seas 9 ft. $$ PKZ765-050245- North and West of Nunivak Island- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NE wind 30 kt. Seas 9 ft. Freezing spray. .TONIGHT...NE wind 25 kt. Seas 6 ft. Freezing spray. .FRI...NE wind 20 kt. Seas 5 ft. Freezing spray. .FRI NIGHT...NE wind 25 kt. Seas 6 ft. .SAT THROUGH SUN...N wind 40 kt. Seas 13 ft. .MON...N wind 35 kt. Seas 11 ft. $$ PKZ767-050245- Saint Matthew Island Waters- 442 AM AKST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...NE wind 30 kt E of Saint Matthew Island...E 25 kt W of Saint Matthew Island. Seas 7 ft. .TONIGHT...E wind 25 kt. Seas 7 ft. .FRI...E wind 20 kt. Seas 8 ft. .FRI NIGHT...NE wind 20 kt. Seas 10 ft. .SAT...NE wind 25 kt. Seas 10 ft. .SUN...NE wind 35 kt. Seas 15 ft. .MON...N wind 30 kt. Seas 15 ft. $$