Coastal Waters Forecast
Issued by NWS
Issued by NWS
221 FZAK51 PAFC 121205 CWFAER Coastal Waters Forecast National Weather Service Anchorage Alaska 405 AM AKDT Sat Sep 12 2026 Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. 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. PKZ197-130045- 405 AM AKDT Sat Sep 12 2026 .SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+ COOK INLET... A weak surface trough lingers across the Northern Gulf of Alaska through Mon morning as high pressure persists across the central and southern Gulf through Mon morning. $$ PKZ710-130045- Cape Suckling to Gravel Point out to 15 NM- 405 AM AKDT Sat Sep 12 2026 .TODAY...Variable wind 10 kt. Seas 4 ft. .TONIGHT...Variable wind 10 kt. Seas 5 ft. .SUN...Variable wind 10 kt. Seas 4 ft. .SUN NIGHT...Variable wind 10 kt. Seas 5 ft. .MON...Variable wind 10 kt. Seas 3 ft. .TUE...S wind 25 kt. Seas 8 ft. .WED...S wind 20 kt. Seas 8 ft. $$ PKZ711-130045- Gravel Point to Cape Cleare out to 15 NM- 405 AM AKDT Sat Sep 12 2026 .TODAY...Variable wind 10 kt. Seas 4 ft. .TONIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 4 ft. .SUN NIGHT...Variable wind 10 kt. Seas 4 ft. .MON...SW wind 15 kt. Seas 3 ft. .TUE THROUGH WED...SW wind 30 kt. Seas 8 ft. $$ PKZ712-130045- Cape Suckling to Cape Cleare from 15 to 75 NM- 405 AM AKDT Sat Sep 12 2026 .TODAY...W wind 20 kt. Seas 6 ft. .TONIGHT...W wind 15 kt. Seas 6 ft. .SUN...Variable wind 10 kt. Seas 5 ft. .SUN NIGHT...Variable wind 10 kt. Seas 5 ft. .MON...SW wind 20 kt. Seas 5 ft. .TUE THROUGH WED...SW wind 30 kt. Seas 10 ft. $$ PKZ715-130045- Cape Cleare to Gore Point out to 15 NM- 405 AM AKDT Sat Sep 12 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SW wind 25 kt. Seas 6 ft. .TONIGHT...W wind 15 kt. Seas 5 ft. .SUN...N wind 15 kt in the morning becoming variable 10 kt. Seas 3 ft. .SUN NIGHT...Variable wind 10 kt. Seas 3 ft. .MON...S wind 15 kt. Seas 3 ft. .TUE...SW wind 30 kt. Seas 8 ft. .WED...W wind 25 kt. Seas 7 ft. $$ PKZ716-130045- Cape Cleare to Gore Point from 15 to 75 NM- 405 AM AKDT Sat Sep 12 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...W wind 25 kt. Seas 8 ft. .TONIGHT...W wind 25 kt. Seas 8 ft. .SUN...W wind 15 kt. Seas 5 ft. .SUN NIGHT...W wind 15 kt. Seas 4 ft. .MON...SW wind 20 kt. Seas 7 ft. .TUE THROUGH WED...W wind 30 kt. Seas 10 ft. $$ PKZ714-130045- Resurrection Bay- 405 AM AKDT Sat Sep 12 2026 .TODAY...Variable wind less than 10 kt. Seas 2 ft. .TONIGHT...N wind 10 kt increasing to 20 kt after midnight. Seas 4 ft. .SUN...N wind 20 kt diminishing to 10 kt in the afternoon. Seas 4 ft. .SUN NIGHT...N wind 10 kt. Seas 2 ft. .MON...S wind 10 kt. Seas 2 ft. .TUE...S wind 20 kt. Seas 4 ft. .WED...S wind 10 kt. Seas 2 ft. $$ PKZ724-130045- Northwest Prince William Sound- 405 AM AKDT Sat Sep 12 2026 .TODAY...Variable wind less than 10 kt. Seas 2 ft. .TONIGHT...W wind 10 kt becoming NW 15 kt after midnight. Seas 3 ft. .SUN...NW wind 15 kt becoming W 10 kt in the afternoon. Seas 2 ft. .SUN NIGHT...NW wind 10 kt. Seas 2 ft. .MON...Variable wind less than 10 kt. Seas 2 ft. .TUE...SE wind 20 kt. Seas 3 ft. .WED...NE wind 10 kt. Seas 2 ft. $$ PKZ725-130045- Central and Eastern Prince William Sound- 405 AM AKDT Sat Sep 12 2026 .TODAY...Variable wind less than 10 kt. Seas 2 ft. .TONIGHT...W wind 10 kt becoming NW 15 kt after midnight. Seas 2 ft. .SUN...NW wind 10 kt. Seas 2 ft. .SUN NIGHT...NW wind 10 kt. Seas 2 ft. .MON...SE wind 10 kt. Seas 2 ft. .TUE...S wind 25 kt. Seas 4 ft. .WED...SE wind 15 kt. Seas 3 ft. $$ PKZ726-130045- Southwest Prince William Sound- 405 AM AKDT Sat Sep 12 2026 .TODAY...Variable wind less than 10 kt. Seas 2 ft. .TONIGHT...W wind 10 kt. Seas 2 ft. .SUN...NW wind 10 kt in the morning becoming variable less than 10 kt. Seas 2 ft. .SUN NIGHT...W wind 10 kt. Seas 2 ft. .MON...Variable wind less than 10 kt. Seas 2 ft. .TUE...S wind 25 kt. Seas 6 ft. .WED...NW wind 20 kt. Seas 4 ft. $$ PKZ720-130045- Port of Valdez- 405 AM AKDT Sat Sep 12 2026 .TODAY...Variable wind less than 10 kt. Seas 2 ft. .TONIGHT...Variable wind less than 10 kt becoming NE 10 kt after midnight. Seas 2 ft. .SUN...NE wind 10 kt in the morning becoming variable less than 10 kt. Seas 2 ft. .SUN NIGHT...E wind 10 kt. Seas 2 ft. .MON...Variable wind less than 10 kt. Seas 2 ft. .TUE...SW wind 10 kt. Seas 2 ft. .WED...E wind 10 kt. Seas 2 ft. $$ PKZ721-130045- Valdez Narrows- 405 AM AKDT Sat Sep 12 2026 .TODAY...N wind 10 kt becoming SW in the afternoon. Seas 2 ft. .TONIGHT...N wind 10 kt increasing to 20 kt after midnight. Seas 3 ft. .SUN...N wind 20 kt diminishing to 10 kt in the afternoon. Seas 3 ft. .SUN NIGHT...N wind 15 kt. Seas 3 ft. .MON...N wind 10 kt. Seas 2 ft. .TUE THROUGH WED...SW wind 15 kt. Seas 3 ft. $$ PKZ722-130045- Valdez Arm- 405 AM AKDT Sat Sep 12 2026 .TODAY...Variable wind less than 10 kt. Seas 2 ft. .TONIGHT...Variable wind less than 10 kt becoming NE after midnight. Seas 2 ft. .SUN...N wind 10 kt. Seas 2 ft. .SUN NIGHT...NE wind 10 kt. Seas 2 ft. .MON...NE wind 10 kt. Seas 2 ft. .TUE...SE wind 25 kt. Seas 4 ft. .WED...SE wind 20 kt. Seas 4 ft. $$ PKZ723-130045- Passage Canal- 405 AM AKDT Sat Sep 12 2026 .TODAY...W wind 10 kt. Seas 2 ft. .TONIGHT...W wind 10 kt in the evening increasing to 20 kt. Seas 2 ft. .SUN...W wind 20 kt. Seas 2 ft. .SUN NIGHT...W wind 15 kt. Seas 2 ft. .MON THROUGH WED...E wind 10 kt. Seas 2 ft. $$ PKZ730-130045- West of Barren Islands Including Kamishak Bay- 405 AM AKDT Sat Sep 12 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...W wind 25 kt. Seas 6 ft. .TONIGHT...W wind 25 kt. Seas 6 ft. .SUN...NW wind 20 kt in the morning becoming variable 10 kt. Seas 5 ft. .SUN NIGHT...Variable wind 10 kt. Seas 2 ft. .MON...SE wind 25 kt. Seas 5 ft. .TUE THROUGH WED...W wind 30 kt. Seas 7 ft. $$ PKZ731-130045- Barren Islands East- 405 AM AKDT Sat Sep 12 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...W wind 25 kt. Seas 4 ft. .TONIGHT...W wind 25 kt. Seas 5 ft. .SUN...W wind 20 kt. Seas 4 ft. .SUN NIGHT...W wind 15 kt. Seas 3 ft. .MON...S wind 20 kt. Seas 4 ft. .TUE THROUGH WED...W wind 25 kt. Seas 7 ft. $$ PKZ733-130045- Gore Point to Marmot Island from 15 to 80 NM- 405 AM AKDT Sat Sep 12 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...W wind 25 kt. Seas 6 ft. .TONIGHT...W wind 25 kt. Seas 6 ft. .SUN...W wind 20 kt. Seas 5 ft. .SUN NIGHT...W wind 20 kt. Seas 5 ft. .MON THROUGH WED...W wind 25 kt. Seas 9 ft. $$ PKZ732-130045- Marmot Island to Sitkinak out to 15 NM- 405 AM AKDT Sat Sep 12 2026 .TODAY...SW wind 20 kt. Seas 5 ft. .TONIGHT...W wind 20 kt. Seas 4 ft. .SUN...W wind 20 kt. Seas 5 ft. .SUN NIGHT...SW wind 20 kt. Seas 5 ft. .MON...SW wind 25 kt. Seas 6 ft. .TUE...SW wind 30 kt. Seas 9 ft. .WED...W wind 20 kt. Seas 8 ft. $$ PKZ734-130045- Marmot Island To Sitkinak from 15 to 85 NM- 405 AM AKDT Sat Sep 12 2026 .TODAY...W wind 20 kt. Seas 6 ft. .TONIGHT...W wind 20 kt. Seas 6 ft. .SUN...W wind 20 kt. Seas 6 ft. .SUN NIGHT...W wind 20 kt. Seas 6 ft. .MON...SW wind 25 kt. Seas 6 ft. .TUE...SW wind 25 kt. Seas 10 ft. .WED...W wind 20 kt. Seas 10 ft. $$ PKZ736-130045- Chiniak Bay- 405 AM AKDT Sat Sep 12 2026 .TODAY...Variable wind less than 10 kt. Seas 3 ft. .TONIGHT...Variable wind less than 10 kt. Seas 3 ft. .SUN...Variable wind less than 10 kt. Seas 3 ft. .SUN NIGHT...Variable wind less than 10 kt. Seas 3 ft. .MON...S wind 20 kt. Seas 3 ft. .TUE...SW wind 25 kt. Seas 4 ft. .WED...SW wind 10 kt. Seas 2 ft. $$ PKZ737-130045- Marmot Bay- 405 AM AKDT Sat Sep 12 2026 .TODAY...W wind 15 kt. Seas 3 ft. .TONIGHT...W wind 15 kt diminishing to 10 kt after midnight. Seas 3 ft. .SUN...W wind 10 kt in the morning becoming variable less than 10 kt. Seas 2 ft. .SUN NIGHT...W wind 10 kt. Seas 2 ft. .MON THROUGH WED...W wind 20 kt. Seas 4 ft. $$ PKZ738-130045- Shelikof Strait- 405 AM AKDT Sat Sep 12 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SW wind 25 kt. Seas 5 ft. .TONIGHT...SW wind 20 kt. Seas 5 ft subsiding to 3 ft after midnight. .SUN...SW wind 15 kt. Seas 3 ft. .SUN NIGHT...SW wind 15 kt. Seas 3 ft. .MON THROUGH WED...SW wind 25 kt. Seas 6 ft. $$ PKZ742-130045- Cook Inlet Kalgin Island to Point Bede- 405 AM AKDT Sat Sep 12 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SW wind 25 kt. Seas 6 ft. .TONIGHT...W wind 20 kt in the evening becoming variable less than 10 kt. Seas 3 ft subsiding to 1 ft after midnight. .SUN...N wind 10 kt. Seas 2 ft. .SUN NIGHT...Variable wind less than 10 kt. Seas 2 ft. .MON...S wind 20 kt. Seas 5 ft. .TUE THROUGH WED...SW wind 30 kt. Seas 8 ft. $$ PKZ740-130045- Cook Inlet North of Kalgin Island- 405 AM AKDT Sat Sep 12 2026 .TODAY...S wind 15 kt in the morning becoming variable less than 10 kt. Seas 2 ft. .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. .SUN...Variable wind less than 10 kt. Seas 2 ft. .SUN NIGHT...Variable wind less than 10 kt. Seas 1 ft. .MON...S wind 20 kt. Seas 5 ft. .TUE THROUGH WED...SW wind 30 kt. Seas 8 ft. $$ PKZ741-130045- Kachemak Bay- 405 AM AKDT Sat Sep 12 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SW wind 15 kt except SW 25 kt in the outer bay. Seas 4 ft except 6 ft in the outer bay. .TONIGHT...SW wind 10 kt in the evening becoming variable less than 10 kt. In the outer bay, SW wind 20 kt in the evening becoming variable less than 10 kt. Seas 4 ft subsiding to 2 ft after midnight. .SUN...Variable wind less than 10 kt. Seas 2 ft. .SUN NIGHT...Variable wind less than 10 kt. Seas 2 ft. .MON...S wind 20 kt. Seas 2 ft. .TUE THROUGH WED...SW wind 25 kt. Seas 8 ft. $$