Coastal Waters Forecast
Issued by NWS
Issued by NWS
180 FZAK52 PAFC 301213 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 413 AM AKDT Thu Jul 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. PKZ199-310045- 413 AM AKDT Thu Jul 30 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 1005 mb low 100 nm SW of Shemya moves to 75 nm SE of St George at 1007 mb Fri afternoon. Its front moves through the Aleutians reaching the Mainland Fri evening. A ridge of high pressure moves in behind the low. $$ PKZ750-310045- Sitkinak to Castle Cape out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...NW wind 15 kt. Seas 2 ft. .TONIGHT...SW wind 15 kt. Seas 3 ft. .FRI...SW wind 20 kt. Seas 3 ft. .FRI NIGHT...SE wind 15 kt. Seas 4 ft. .SAT...E wind 15 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 3 ft. .MON...S wind 15 kt. Seas 3 ft. $$ PKZ751-310045- Sitkinak to Castle Cape from 15 to 100 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...W wind 15 kt. Seas 4 ft. .TONIGHT...W wind 15 kt. Seas 4 ft. .FRI...S wind 20 kt. Seas 5 ft. .FRI NIGHT...S wind 20 kt. Seas 6 ft. .SAT...E wind 15 kt. Seas 6 ft. .SUN...Variable wind 10 kt. Seas 5 ft. .MON...SW wind 20 kt. Seas 5 ft. $$ PKZ752-310045- Castle Cape to Cape Tolstoi out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...Variable wind 10 kt. Seas 2 ft. .TONIGHT...SW wind 15 kt. Seas 3 ft. .FRI...S wind 15 kt. Seas 3 ft. Rain showers. .FRI NIGHT...Variable wind 10 kt. Seas 4 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 3 ft. .MON...SW wind 15 kt. Seas 3 ft. $$ PKZ753-310045- Castle Cape to Cape Tolstoi from 15 to 100 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...W wind 15 kt. Seas 3 ft. .TONIGHT...SW wind 20 kt. Seas 4 ft. .FRI...S wind 20 kt. Seas 7 ft. Rain showers. .FRI NIGHT...S wind 20 kt. Seas 7 ft. .SAT...Variable wind 10 kt. Seas 6 ft. .SUN...Variable wind 10 kt. Seas 5 ft. .MON...SW wind 15 kt. Seas 5 ft. $$ PKZ754-310045- Cape Tolstoi to Cape Sarichef out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...S wind 15 kt. Seas 2 ft. Patchy fog. .TONIGHT...SE wind 20 kt. Seas 5 ft. Rain. .FRI...S wind 20 kt. Seas 6 ft. Rain. .FRI NIGHT...S wind 15 kt. Seas 4 ft. .SAT...NW wind 15 kt. Seas 4 ft. .SUN THROUGH MON...SW wind 15 kt. Seas 3 ft. $$ PKZ755-310045- Cape Tolstoi to Unalga Pass from 15 to 100 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY... .TODAY...SW wind 15 kt. Seas 3 ft. Patchy fog. .TONIGHT...S wind 25 kt. Seas 8 ft. Rain. .FRI...S wind 25 kt. Seas 7 ft. Rain. .FRI NIGHT...SW wind 20 kt. Seas 6 ft. .SAT...NW wind 25 kt. Seas 7 ft. .SUN...W wind 15 kt. Seas 5 ft. .MON...SW wind 20 kt. Seas 5 ft. $$ PKZ756-310045- Port Heiden to Nelson Lagoon out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...Variable wind 10 kt. Seas 2 ft. Areas of fog. .TONIGHT...Variable wind 10 kt becoming SE 20 kt after midnight. Seas 2 ft. Patchy fog. .FRI...SE wind 20 kt. Seas 2 ft. .FRI NIGHT...SE wind 15 kt. Seas 2 ft. .SAT...Variable wind 10 kt. Seas 2 ft. .SUN...SW wind 20 kt. Seas 1 foot. .MON...SW wind 20 kt. Seas 5 ft. $$ PKZ757-310045- Port Heiden to Nelson Lagoon from 15 to 60 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY FRIDAY... .TODAY...Variable wind 10 kt. Seas 2 ft. Patchy fog. .TONIGHT...Variable wind 10 kt becoming SE 20 kt after midnight. Seas 3 ft. Patchy fog. .FRI...SE wind 25 kt. Seas 4 ft. .FRI NIGHT...SE wind 15 kt. Seas 3 ft. .SAT...Variable wind 10 kt. Seas 2 ft. .SUN THROUGH MON...SW wind 20 kt. Seas 6 ft. $$ PKZ758-310045- Nelson Lagoon to Cape Sarichef out to 15 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...Variable wind 10 kt. Seas 1 foot. Patchy fog. .TONIGHT...SE wind 25 kt. Seas 3 ft. Rain. .FRI...S wind 20 kt. Seas 3 ft. Rain. .FRI NIGHT...SW wind 15 kt. Seas 2 ft. .SAT...NW wind 15 kt. Seas 3 ft. .SUN...SW wind 20 kt. Seas 2 ft. .MON...SW wind 20 kt. Seas 6 ft. $$ PKZ759-310045- Nelson Lagoon to Unalga Pass 15 to 70 nm- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...Variable wind 10 kt becoming SE 20 kt in the afternoon. Seas 3 ft. Patchy fog. .TONIGHT...SE wind 30 kt. Seas 5 ft. Rain. .FRI...S wind 20 kt. Seas 5 ft. .FRI NIGHT...SW wind 15 kt. Seas 3 ft. .SAT...NW wind 20 kt. Seas 5 ft. .SUN THROUGH MON...SW wind 20 kt. Seas 7 ft. $$ PKZ768-310045- Unimak Pass- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...SE wind 20 kt. Seas 3 ft. Patchy fog. .TONIGHT...SE wind 30 kt. Seas 7 ft. Rain. .FRI...S wind 20 kt. Seas 6 ft. .FRI NIGHT...W wind 20 kt. Seas 5 ft. .SAT...NW wind 25 kt. Seas 5 ft. .SUN...SW wind 15 kt. Seas 3 ft. .MON...SW wind 20 kt. Seas 6 ft. $$ PKZ770-310045- Unalga Pass to Nikolski Bering Side out to 15 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SE wind 25 kt. Seas 3 ft. Rain showers. .TONIGHT...SE wind 25 kt. Seas 3 ft. Rain showers and isolated thunderstorms. .FRI...SW wind 15 kt. Seas 3 ft. .FRI NIGHT...W wind 20 kt. Seas 4 ft. .SAT...W wind 20 kt. Seas 5 ft. .SUN THROUGH MON...SW wind 20 kt. Seas 5 ft. $$ PKZ772-310045- Unalga Pass to Nikolski Bering Side from 15 to 85 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SE wind 15 kt increasing to 25 kt in the afternoon. Seas 4 ft. Rain showers. .TONIGHT...SE wind 25 kt. Seas 5 ft. Rain showers and isolated thunderstorms. .FRI...SW wind 20 kt. Seas 4 ft. .FRI NIGHT...W wind 25 kt. Seas 6 ft. .SAT...W wind 25 kt. Seas 6 ft. .SUN THROUGH MON...SW wind 20 kt. Seas 8 ft. $$ PKZ771-310045- Unalaska Bay- 413 AM AKDT Thu Jul 30 2026 .TODAY...S wind 10 kt becoming SE 20 kt in the afternoon. Seas 1 foot. Patchy fog. Rain. .TONIGHT...SE wind 20 kt. Seas 1 foot. Rain showers. .FRI...S wind 10 kt in the morning becoming variable less than 10 kt. Seas 2 ft. .FRI NIGHT...W wind 15 kt. Seas 2 ft. .SAT...W wind 20 kt. Seas 4 ft. .SUN THROUGH MON...SW wind 10 kt. Seas 2 ft. $$ PKZ773-310045- Unalga Pass to Nikolski Pacific Side out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...SE wind 20 kt. Seas 4 ft. Rain showers. .TONIGHT...S wind 20 kt. Seas 6 ft. Widespread rain showers and isolated thunderstorms. .FRI...SW wind 20 kt. Seas 6 ft. .FRI NIGHT...NW wind 25 kt. Seas 6 ft. .SAT...NW wind 25 kt. Seas 5 ft. .SUN THROUGH MON...SW wind 20 kt. Seas 4 ft. $$ PKZ774-310045- Unalga Pass to Nikolski Pacific Side from 15 to 85 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 15 kt increasing to 25 kt in the afternoon. Seas 5 ft. Patchy fog. .TONIGHT...S wind 25 kt. Seas 8 ft. Rain showers and isolated thunderstorms. .FRI...SW wind 20 kt. Seas 7 ft. .FRI NIGHT...W wind 25 kt. Seas 8 ft. .SAT...NW wind 25 kt. Seas 7 ft. .SUN THROUGH MON...SW wind 20 kt. Seas 6 ft. $$ PKZ775-310045- Nikolski to Seguam Bering Side out to 15 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SE wind 25 kt. Seas 4 ft. Rain showers and isolated thunderstorms. .TONIGHT...S wind 20 kt. Seas 4 ft. Rain showers. .FRI...W wind 20 kt. Seas 5 ft. .FRI NIGHT...NW wind 25 kt. Seas 6 ft. .SAT THROUGH MON...SW wind 20 kt. Seas 6 ft. $$ PKZ776-310045- Nikolski to Seguam Bering Side from 15 to 85 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY TODAY AND FRIDAY... .TODAY...SE wind 25 kt. Seas 5 ft. Rain showers and isolated thunderstorms. .TONIGHT...S wind 20 kt. Seas 5 ft. Rain showers. .FRI...W wind 25 kt. Seas 5 ft. .FRI NIGHT...NW wind 25 kt. Seas 6 ft. .SAT...W wind 20 kt. Seas 5 ft. .SUN THROUGH MON...SW wind 25 kt. Seas 9 ft. $$ PKZ777-310045- Nikolski to Seguam Pacfic Side out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...SE wind 20 kt. Seas 5 ft. Rain showers and isolated thunderstorms. .TONIGHT...SW wind 20 kt. Seas 5 ft. Rain showers. .FRI...W wind 20 kt. Seas 7 ft. .FRI NIGHT...NW wind 25 kt. Seas 7 ft. .SAT THROUGH SUN...SW wind 20 kt. Seas 5 ft. .MON...SW wind 25 kt. Seas 6 ft. $$ PKZ778-310045- Nikolski to Seguam Pacific Side from 15 to 75 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY... .TODAY...SE wind 20 kt. Seas 6 ft. Rain showers and isolated thunderstorms. .TONIGHT...SW wind 25 kt. Seas 7 ft. Rain showers. .FRI...W wind 20 kt. Seas 8 ft. .FRI NIGHT...NW wind 25 kt. Seas 8 ft. .SAT THROUGH SUN...W wind 20 kt. Seas 6 ft. .MON...SW wind 25 kt. Seas 7 ft. $$ PKZ780-310045- Seguam to Adak Bering Side out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...SE wind 20 kt. Seas 3 ft. Isolated thunderstorms. .TONIGHT...SW wind 20 kt. Seas 3 ft. .FRI...W wind 20 kt. Seas 3 ft. .FRI NIGHT...W wind 20 kt. Seas 3 ft. .SAT...SW wind 20 kt. Seas 3 ft. .SUN THROUGH MON...SW wind 30 kt. Seas 6 ft. $$ PKZ781-310045- Seguam to Adak Bering Side from 15 to 85 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SE wind 25 kt. Seas 4 ft. Isolated thunderstorms. .TONIGHT...SW wind 20 kt. Seas 4 ft. .FRI...NW wind 20 kt. Seas 4 ft. .FRI NIGHT...W wind 20 kt. Seas 4 ft. .SAT...SW wind 20 kt. Seas 5 ft. .SUN THROUGH MON...SW wind 25 kt. Seas 9 ft. $$ PKZ782-310045- Seguam to Adak Pacific Side out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...S wind 20 kt. Seas 5 ft. Isolated thunderstorms. .TONIGHT...SW wind 20 kt. Seas 6 ft. .FRI...W wind 20 kt. Seas 7 ft. .FRI NIGHT...W wind 20 kt. Seas 6 ft. .SAT...SW wind 20 kt. Seas 4 ft. .SUN THROUGH MON...SW wind 30 kt. Seas 8 ft. $$ PKZ783-310045- Seguam to Adak Pacific Side from 15 to 75 NM- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY... .TODAY...S wind 20 kt. Seas 7 ft. Isolated thunderstorms. .TONIGHT...SW wind 25 kt. Seas 8 ft. .FRI...W wind 25 kt. Seas 8 ft. .FRI NIGHT...W wind 20 kt. Seas 7 ft. .SAT...SW wind 20 kt. Seas 5 ft. .SUN THROUGH MON...SW wind 25 kt. Seas 9 ft. $$ PKZ784-310045- Adak to Kiska Bering Side- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...S wind 15 kt. Seas 5 ft. Isolated thunderstorms in the morning. .TONIGHT...W wind 25 kt. Seas 5 ft. .FRI...W wind 20 kt. Seas 5 ft. .FRI NIGHT...SW wind 15 kt. Seas 4 ft. .SAT THROUGH MON...SW wind 25 kt. Seas 9 ft. $$ PKZ785-310045- Adak to Kiska Pacific Side- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY THROUGH FRIDAY... .TODAY...SW wind 20 kt. Seas 8 ft. Isolated thunderstorms in the morning. .TONIGHT...W wind 25 kt. Seas 9 ft. .FRI...W wind 25 kt. Seas 8 ft. .FRI NIGHT...SW wind 15 kt. Seas 4 ft. .SAT...SW wind 25 kt. Seas 7 ft. .SUN...SW wind 30 kt. Seas 11 ft. .MON...SW wind 25 kt. Seas 11 ft. $$ PKZ786-310045- Kiska to Attu Bering Side- 413 AM AKDT Thu Jul 30 2026 .TODAY...NW wind 20 kt. Seas 5 ft. Patchy fog. Isolated thunderstorms in the morning. .TONIGHT...NW wind 20 kt. Seas 5 ft. .FRI...SW wind 15 kt. Seas 4 ft. .FRI NIGHT...S wind 25 kt. Seas 5 ft. .SAT THROUGH SUN...SW wind 25 kt. Seas 11 ft. .MON...W wind 20 kt. Seas 9 ft. $$ PKZ787-310045- Kiska to Attu Pacific Side- 413 AM AKDT Thu Jul 30 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NW wind 25 kt. Seas 7 ft. Isolated thunderstorms in the morning. .TONIGHT...W wind 25 kt diminishing to 15 kt after midnight. Seas 7 ft. .FRI...S wind 15 kt. Seas 5 ft. .FRI NIGHT...S wind 25 kt. Seas 6 ft. .SAT...SW wind 25 kt. Seas 11 ft. .SUN...SW wind 30 kt. Seas 12 ft. .MON...W wind 25 kt. Seas 11 ft. $$ PKZ766-310045- Pribilof Islands Nearshore Waters- 413 AM AKDT Thu Jul 30 2026 .TODAY...SE wind 15 kt. Seas 3 ft. Patchy fog. .TONIGHT...SE wind 20 kt. Seas 4 ft. Rain. .FRI...E wind 20 kt. Seas 4 ft. Rain. .FRI NIGHT...NW wind 20 kt. Seas 5 ft. .SAT...W wind 20 kt. Seas 4 ft. .SUN THROUGH MON...SW wind 25 kt. Seas 11 ft. $$ PKZ760-310045- Bristol Bay greater than 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...W wind 15 kt diminishing to 10 kt in the afternoon. Seas 2 ft. Patchy fog. .TONIGHT...W wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. Patchy fog. .FRI...SE wind 10 kt. Seas 2 ft. Patchy fog. .FRI NIGHT...SE wind 15 kt. Seas 2 ft. .SAT...NE wind 10 kt. Seas 2 ft. .SUN THROUGH MON...SW wind 20 kt. Seas 5 ft. $$ PKZ761-310045- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...SW wind 15 kt becoming W in the afternoon. Seas 2 ft. Areas of fog. .TONIGHT...W wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. Patchy fog. .FRI...SE wind 10 kt increasing to 15 kt in the afternoon. Seas 2 ft. Patchy fog. .FRI NIGHT...SE wind 15 kt. Seas 2 ft. .SAT...E wind 15 kt. Seas 2 ft. .SUN...SW wind 15 kt. Seas 1 foot. .MON...SW wind 20 kt. Seas 4 ft. $$ PKZ762-310045- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...W wind 10 kt. Seas 1 foot. .TONIGHT...SW wind 10 kt. Seas 2 ft. Patchy fog. .FRI...SE wind 15 kt diminishing to 10 kt in the afternoon. Seas 2 ft. Patchy fog. .FRI NIGHT...SE wind 15 kt. Seas 2 ft. .SAT...E wind 10 kt. Seas 2 ft. .SUN THROUGH MON...SW wind 20 kt. Seas 4 ft. $$ PKZ763-310045- Kuskokwim Delta and Etolin Strait out to 15 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...W wind 10 kt. Seas 1 foot. .TONIGHT...SW wind 10 kt becoming SE after midnight. Seas 1 foot. .FRI...E wind 15 kt. Seas 2 ft. .FRI NIGHT...SE wind 15 kt. Seas 2 ft. .SAT...W wind 10 kt. Seas 2 ft. .SUN THROUGH MON...SW wind 25 kt. Seas 7 ft. $$ PKZ764-310045- Kuskokwim Delta from 15 to 80 NM- 413 AM AKDT Thu Jul 30 2026 .TODAY...W wind 10 kt. Seas 2 ft. .TONIGHT...S wind 10 kt becoming SE after midnight. Seas 2 ft. Patchy fog. .FRI...SE wind 20 kt. Seas 4 ft. Rain showers. .FRI NIGHT...SE wind 15 kt. Seas 4 ft. .SAT...N wind 10 kt. Seas 3 ft. .SUN THROUGH MON...SW wind 20 kt. Seas 9 ft. $$ PKZ765-310045- North and West of Nunivak Island- 413 AM AKDT Thu Jul 30 2026 .TODAY...Variable wind 10 kt. Seas 3 ft. .TONIGHT...SE wind 15 kt. Seas 3 ft. .FRI...E wind 15 kt. Seas 3 ft. .FRI NIGHT...Variable wind 10 kt. Seas 3 ft. .SAT...Variable wind 10 kt. Seas 3 ft. .SUN...S wind 15 kt. Seas 9 ft. .MON...SW wind 15 kt. Seas 9 ft. $$ PKZ767-310045- Saint Matthew Island Waters- 413 AM AKDT Thu Jul 30 2026 .TODAY...S wind 15 kt. Seas 4 ft. Patchy fog. .TONIGHT...S wind 15 kt. Seas 3 ft. .FRI...Variable wind 10 kt. Seas 3 ft. .FRI NIGHT...SW wind 15 kt. Seas 3 ft. .SAT...SW wind 15 kt. Seas 6 ft. .SUN...SW wind 15 kt. Seas 10 ft. .MON...W wind 15 kt. Seas 10 ft. $$