Coastal Waters Forecast
Issued by NWS
Issued by NWS
888 FZAK52 PAFC 212352 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 352 PM AKDT Thu Aug 21 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. PKZ199-221315- 352 PM AKDT Thu Aug 21 2025 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 992 mb Kamchatka low will send a series of fronts across the Bering Sea through Sat afternoon. $$ PKZ750-221315- Sitkinak to Castle Cape out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...N wind 15 kt. Seas 3 ft. .FRI...N wind 15 kt. Seas 3 ft. .FRI NIGHT...Variable wind 10 kt. Seas 2 ft. .SAT...Variable wind 10 kt. Seas 2 ft. .SAT NIGHT...Variable wind 10 kt. Seas 2 ft. .SUN...Variable wind 10 kt. Seas 2 ft. .MON...S wind 20 kt. Seas 4 ft. .TUE...S wind 25 kt. Seas 5 ft. $$ PKZ751-221315- Sitkinak to Castle Cape from 15 to 100 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...N wind 20 kt. Seas 7 ft. .FRI...N wind 20 kt. Seas 7 ft. .FRI NIGHT...N wind 15 kt. Seas 6 ft. .SAT...NW wind 15 kt. Seas 5 ft. .SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 3 ft. .MON...S wind 20 kt. Seas 4 ft. .TUE...S wind 25 kt. Seas 9 ft. $$ PKZ752-221315- Castle Cape to Cape Tolstoi out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind 10 kt. Seas 4 ft. .FRI...Variable wind 10 kt. Seas 3 ft. .FRI NIGHT...Variable wind 10 kt. Seas 3 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 2 ft. .SUN...Variable wind 10 kt. Seas 2 ft. .MON THROUGH TUE...S wind 20 kt. Seas 4 ft. $$ PKZ753-221315- Castle Cape to Cape Tolstoi from 15 to 100 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind 10 kt. Seas 5 ft. .FRI...Variable wind 10 kt. Seas 5 ft. .FRI NIGHT...Variable wind 10 kt. Seas 4 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 3 ft. .MON...S wind 20 kt. Seas 6 ft. .TUE...S wind 25 kt. Seas 10 ft. $$ PKZ754-221315- Cape Tolstoi to Cape Sarichef out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind 10 kt. Seas 2 ft. .FRI...Variable wind 10 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...Variable wind 10 kt. Seas 2 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 2 ft. .SUN...SW wind 15 kt. Seas 2 ft. .MON THROUGH TUE...S wind 20 kt. Seas 7 ft. $$ PKZ755-221315- Cape Tolstoi to Cape Sarichef from 15 to 100 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind 10 kt. Seas 4 ft. .FRI...Variable wind 10 kt. Seas 4 ft. .FRI NIGHT...Variable wind 10 kt. Seas 4 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...SW wind 15 kt. Seas 3 ft. .MON THROUGH TUE...S wind 25 kt. Seas 10 ft. $$ PKZ756-221315- Port Heiden to Nelson Lagoon out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind 10 kt. Seas 2 ft. .FRI...Variable wind 10 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...Variable wind 10 kt. Seas 2 ft. .SAT AND SAT NIGHT...SW wind 15 kt. Seas 3 ft. .SUN...S wind 15 kt. Seas 4 ft. .MON THROUGH TUE...SE wind 20 kt. Seas 5 ft. $$ PKZ757-221315- Port Heiden to Nelson Lagoon from 15 to 60 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind 10 kt. Seas 2 ft. Areas of fog. .FRI...Variable wind 10 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...Variable wind 10 kt becoming SW 20 kt after midnight. Seas 3 ft. .SAT AND SAT NIGHT...SW wind 15 kt. Seas 4 ft. .SUN...S wind 15 kt. Seas 5 ft. .MON THROUGH TUE...S wind 25 kt. Seas 9 ft. $$ PKZ758-221315- Nelson Lagoon to Cape Sarichef out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind 10 kt. Seas 2 ft. Areas of fog. .FRI...Variable wind 10 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...S wind 15 kt. Seas 2 ft. .SAT AND SAT NIGHT...SW wind 15 kt. Seas 4 ft. .SUN...S wind 15 kt. Seas 5 ft. .MON THROUGH TUE...S wind 25 kt. Seas 6 ft. $$ PKZ759-221315- Nelson Lagoon to Cape Sarichef from 15 to 70 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind 10 kt. Seas 2 ft. Areas of fog. .FRI...S wind 15 kt. Seas 3 ft. Areas of fog. .FRI NIGHT...SW wind 20 kt. Seas 3 ft. .SAT AND SAT NIGHT...SW wind 15 kt. Seas 5 ft. .SUN...S wind 20 kt. Seas 6 ft. .MON...S wind 25 kt. Seas 9 ft. .TUE...SW wind 25 kt. Seas 8 ft. $$ PKZ770-221315- Cape Sarichef to Nikolski Bering Side out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind 10 kt. Seas 2 ft. Areas of fog. .FRI...SW wind 15 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...Variable wind 10 kt. Seas 2 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 3 ft. .SUN THROUGH MON...S wind 25 kt. Seas 5 ft. .TUE...W wind 20 kt. Seas 5 ft. $$ PKZ772-221315- Cape Sarichef to Nikolski Bering Side from 15 to 85 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...S wind 15 kt. Seas 3 ft. Areas of fog. .FRI...SW wind 15 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...SW wind 15 kt. Seas 3 ft. .SAT AND SAT NIGHT...SW wind 15 kt. Seas 5 ft. .SUN THROUGH MON...S wind 25 kt. Seas 8 ft. .TUE...SW wind 15 kt. Seas 6 ft. $$ PKZ771-221315- Unalaska Bay- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. Rain. .FRI...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft. .SAT AND SAT NIGHT...Variable wind less than 10 kt. Seas 2 ft. .SUN...S wind 15 kt. Seas 2 ft. .MON...S wind 20 kt. Seas 3 ft. .TUE...W wind 10 kt. Seas 2 ft. $$ PKZ773-221315- Cape Sarichef to Nikolski Pacific Side out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 15 kt. Seas 2 ft. Areas of fog. Widespread rain showers. .FRI...Variable wind 10 kt. Seas 3 ft. Areas of fog. .FRI NIGHT...Variable wind 10 kt. Seas 3 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 2 ft. .SUN...S wind 20 kt. Seas 5 ft. .MON...S wind 25 kt. Seas 10 ft. .TUE...W wind 20 kt. Seas 9 ft. $$ PKZ774-221315- Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 15 kt. Seas 3 ft. Rain showers. .FRI...Variable wind 10 kt. Seas 4 ft. Areas of fog. .FRI NIGHT...Variable wind 10 kt. Seas 4 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...SW wind 20 kt. Seas 5 ft. .MON...S wind 25 kt. Seas 11 ft. .TUE...SW wind 25 kt. Seas 10 ft. $$ PKZ775-221315- Nikolski to Seguam Bering Side out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 15 kt. Seas 2 ft. Areas of fog. .FRI...W wind 15 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...Variable wind 10 kt. Seas 3 ft. .SAT AND SAT NIGHT...S wind 15 kt. Seas 4 ft. .SUN THROUGH MON...S wind 25 kt. Seas 9 ft. .TUE...W wind 15 kt. Seas 7 ft. $$ PKZ776-221315- Nikolski to Seguam Bering Side from 15 to 85 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 15 kt. Seas 4 ft. Areas of fog. .FRI...SW wind 20 kt. Seas 4 ft. Areas of fog. .FRI NIGHT...SW wind 15 kt. Seas 4 ft. .SAT...SW wind 15 kt. Seas 6 ft. .SAT NIGHT...S wind 20 kt. Seas 6 ft. .SUN THROUGH MON...S wind 25 kt. Seas 9 ft. .TUE...W wind 15 kt. Seas 7 ft. $$ PKZ777-221315- Nikolski to Seguam Pacfic Side out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 15 kt. Seas 3 ft. Areas of fog. .FRI...Variable wind 10 kt. Seas 3 ft. Areas of fog. .FRI NIGHT...Variable wind 10 kt. Seas 3 ft. .SAT AND SAT NIGHT...S wind 15 kt. Seas 3 ft. .SUN THROUGH MON...S wind 25 kt. Seas 10 ft. .TUE...W wind 15 kt. Seas 8 ft. $$ PKZ778-221315- Nikolski to Seguam Pacific Side from 15 to 75 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 20 kt. Seas 4 ft. Areas of fog. .FRI...W wind 20 kt. Seas 4 ft. Areas of fog. .FRI NIGHT...W wind 15 kt. Seas 4 ft. .SAT...Variable wind 10 kt. Seas 5 ft. .SAT NIGHT...S wind 15 kt. Seas 5 ft. .SUN...S wind 25 kt. Seas 8 ft. .MON...S wind 25 kt. Seas 12 ft. .TUE...W wind 20 kt. Seas 8 ft. $$ PKZ780-221315- Seguam to Adak Bering Side out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 20 kt. Seas 2 ft. Areas of fog. .FRI...SW wind 20 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...SW wind 20 kt. Seas 3 ft. .SAT...S wind 20 kt. Seas 4 ft. .SAT NIGHT...S wind 25 kt. Seas 4 ft. .SUN...S wind 25 kt. Seas 6 ft. .MON...SW wind 25 kt. Seas 5 ft. .TUE...W wind 15 kt. Seas 6 ft. $$ PKZ781-221315- Seguam to Adak Bering Side from 15 to 85 NM- 352 PM AKDT Thu Aug 21 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT... .TONIGHT...SW wind 25 kt. Seas 5 ft. Areas of fog. .FRI...SW wind 25 kt. Seas 5 ft. Areas of fog. .FRI NIGHT...SW wind 25 kt. Seas 7 ft. .SAT AND SAT NIGHT...S wind 25 kt. Seas 7 ft. .SUN...S wind 25 kt. Seas 7 ft. .MON THROUGH TUE...W wind 20 kt. Seas 7 ft. $$ PKZ782-221315- Seguam to Adak Pacific Side out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 20 kt. Seas 3 ft. Areas of fog. .FRI...SW wind 20 kt. Seas 4 ft. Areas of fog. .FRI NIGHT...SW wind 20 kt. Seas 3 ft. .SAT...SW wind 20 kt. Seas 4 ft. .SAT NIGHT...S wind 25 kt. Seas 5 ft. .SUN...S wind 25 kt. Seas 10 ft. .MON...SW wind 25 kt. Seas 10 ft. .TUE...W wind 15 kt. Seas 7 ft. $$ PKZ783-221315- Seguam to Adak Pacific Side from 15 to 75 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 20 kt. Seas 4 ft. Areas of fog. .FRI...SW wind 20 kt. Seas 5 ft. Areas of fog. .FRI NIGHT...SW wind 20 kt. Seas 5 ft. .SAT...SW wind 20 kt. Seas 6 ft. .SAT NIGHT...S wind 25 kt. Seas 8 ft. .SUN...S wind 25 kt. Seas 10 ft. .MON...SW wind 25 kt. Seas 11 ft. .TUE...W wind 20 kt. Seas 7 ft. $$ PKZ784-221315- Adak to Kiska Bering Side- 352 PM AKDT Thu Aug 21 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT... .TONIGHT...SW wind 30 kt. Seas 6 ft. Areas of fog. .FRI...SW wind 30 kt. Seas 7 ft. Areas of fog. .FRI NIGHT...S wind 30 kt. Seas 9 ft. .SAT...S wind 30 kt. Seas 9 ft. .SAT NIGHT...S wind 25 kt. Seas 7 ft. .SUN...SW wind 20 kt. Seas 6 ft. .MON...W wind 15 kt. Seas 5 ft. .TUE...W wind 20 kt. Seas 7 ft. $$ PKZ785-221315- Adak to Kiska Pacific Side- 352 PM AKDT Thu Aug 21 2025 ...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT... .TONIGHT...SW wind 25 kt. Seas 6 ft. Areas of fog. .FRI...SW wind 25 kt. Seas 6 ft. Areas of fog. .FRI NIGHT...SW wind 30 kt. Seas 8 ft. .SAT AND SAT NIGHT...S wind 25 kt. Seas 9 ft. .SUN...S wind 25 kt. Seas 9 ft. .MON THROUGH TUE...W wind 15 kt. Seas 7 ft. $$ PKZ786-221315- Kiska to Attu Bering Side- 352 PM AKDT Thu Aug 21 2025 ...GALE WARNING TONIGHT... .TONIGHT...SW wind 40 kt. Seas 8 ft building to 14 ft after midnight. Areas of fog. .FRI...S wind 30 kt. Seas 14 ft. Rain showers. .FRI NIGHT...S wind 30 kt. Seas 9 ft. Rain showers. .SAT...SW wind 25 kt. Seas 9 ft. .SAT NIGHT...Variable wind 10 kt. Seas 7 ft. .SUN THROUGH TUE...W wind 15 kt. Seas 6 ft. $$ PKZ787-221315- Kiska to Attu Pacific Side- 352 PM AKDT Thu Aug 21 2025 ...GALE WARNING TONIGHT... .TONIGHT...S wind 35 kt. Seas 11 ft. Areas of fog. .FRI...S wind 30 kt. Seas 12 ft. Rain showers. .FRI NIGHT...S wind 30 kt. Seas 10 ft. Widespread rain showers. .SAT...SW wind 30 kt. Seas 9 ft. .SAT NIGHT...SW wind 15 kt. Seas 7 ft. .SUN THROUGH TUE...W wind 15 kt. Seas 6 ft. $$ PKZ766-221315- Pribilof Islands Nearshore Waters- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SE wind 20 kt. Seas 4 ft. Areas of fog. .FRI...S wind 20 kt. Seas 4 ft. Areas of fog. .FRI NIGHT...SW wind 20 kt. Seas 5 ft. .SAT AND SAT NIGHT...S wind 20 kt. Seas 8 ft. .SUN THROUGH MON...S wind 25 kt. Seas 9 ft. .TUE...Variable wind 10 kt. Seas 7 ft. $$ PKZ760-221315- Bristol Bay greater than 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. .FRI...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...SW wind 10 kt increasing to 15 kt after midnight. Seas 2 ft. .SAT AND SAT NIGHT...SW wind 15 kt. Seas 3 ft. .SUN...SW wind 10 kt. Seas 4 ft. .MON THROUGH TUE...SE wind 20 kt. Seas 7 ft. $$ PKZ761-221315- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. .FRI...Variable wind less than 10 kt. Seas 2 ft. Areas of fog. .FRI NIGHT...Variable wind less than 10 kt becoming SW 10 kt after midnight. Seas 2 ft. .SAT AND SAT NIGHT...SW wind 15 kt. Seas 2 ft. .SUN...S wind 10 kt. Seas 3 ft. .MON THROUGH TUE...SE wind 20 kt. Seas 4 ft. $$ PKZ762-221315- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 352 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. Areas of fog. .FRI...Variable wind less than 10 kt becoming S 10 kt in the afternoon. Seas 2 ft. Areas of fog. .FRI NIGHT...SW wind 10 kt increasing to 15 kt after midnight. Seas 2 ft. .SAT AND SAT NIGHT...SW wind 15 kt. Seas 2 ft. .SUN...SW wind 10 kt. Seas 2 ft. .MON THROUGH TUE...SE wind 20 kt. Seas 5 ft. $$ PKZ763-221315- Kuskokwim Delta and Etolin Strait out to 15 NM- 352 PM AKDT Thu Aug 21 2025 ...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT... .TONIGHT...SW wind 10 kt. Seas 2 ft. Areas of fog. .FRI...S wind 15 kt increasing to 25 kt in the afternoon. Seas 3 ft. Areas of fog. .FRI NIGHT...S wind 25 kt. Seas 4 ft. .SAT AND SAT NIGHT...SW wind 20 kt. Seas 4 ft. .SUN...S wind 20 kt. Seas 4 ft. .MON THROUGH TUE...S wind 25 kt. Seas 7 ft. $$ PKZ764-221315- Kuskokwim Delta from 15 to 80 NM- 352 PM AKDT Thu Aug 21 2025 ...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT... .TONIGHT...SW wind 10 kt becoming S after midnight. Seas 3 ft. Areas of fog. .FRI...S wind 25 kt. Seas 4 ft. Areas of fog. .FRI NIGHT...S wind 25 kt. Seas 6 ft. .SAT AND SAT NIGHT...SW wind 20 kt. Seas 6 ft. .SUN THROUGH TUE...S wind 25 kt. Seas 8 ft. $$ PKZ765-221315- North and West of Nunivak Island- 352 PM AKDT Thu Aug 21 2025 ...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT... .TONIGHT...S wind 15 kt. Seas 4 ft. Areas of fog. .FRI...S wind 30 kt. Seas 7 ft. Areas of fog. .FRI NIGHT...S wind 30 kt. Seas 8 ft. .SAT...SW wind 25 kt. Seas 7 ft. .SAT NIGHT...SW wind 20 kt. Seas 8 ft. .SUN THROUGH MON...S wind 20 kt. Seas 8 ft. .TUE...Variable wind 10 kt. Seas 7 ft. $$ PKZ767-221315- Saint Matthew Island Waters- 352 PM AKDT Thu Aug 21 2025 ...GALE WARNING FRIDAY AND FRIDAY NIGHT... .TONIGHT...SE wind 25 kt. Seas 6 ft. Areas of fog. Widespread rain showers. .FRI...S wind 35 kt. Seas 11 ft. Rain showers. .FRI NIGHT...SW wind 35 kt. Seas 14 ft. .SAT...SW wind 25 kt. Seas 14 ft. .SAT NIGHT...S wind 20 kt. Seas 9 ft. .SUN...S wind 20 kt. Seas 8 ft. .MON...N wind 20 kt. Seas 7 ft. .TUE...NW wind 15 kt. Seas 7 ft. $$