Coastal Waters Forecast
Issued by NWS
Issued by NWS
934 FZAK51 PAFC 301141 CWFAER Coastal Waters Forecast National Weather Service Anchorage Alaska 341 AM AKDT Wed Sep 30 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. PKZ197-010030- 341 AM AKDT Wed Sep 30 2026 .SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+ COOK INLET... Troughing continues in the northern Gulf before dissipating Thu afternoon. A front enters the southwestern Gulf Fri morning. Its 994 mb parent low reaches 225 nm S of Akhiok Fri morning. $$ PKZ710-010030- Cape Suckling to Gravel Point out to 15 NM- 341 AM AKDT Wed Sep 30 2026 .TODAY...S wind 15 kt. Seas 6 ft. Widespread rain showers. .TONIGHT...SW wind 20 kt. Seas 6 ft. .THU...S wind 15 kt. Seas 7 ft. Rain showers. .THU NIGHT...Variable wind 10 kt. Seas 4 ft. .FRI...E wind 30 kt. Seas 7 ft. .SAT...E wind 30 kt. Seas 12 ft. .SUN...SE wind 20 kt. Seas 9 ft. $$ PKZ711-010030- Gravel Point to Cape Cleare out to 15 NM- 341 AM AKDT Wed Sep 30 2026 .TODAY...S wind 15 kt. Seas 5 ft. Widespread rain showers. .TONIGHT...SW wind 20 kt. Seas 6 ft. .THU...SW wind 20 kt. Seas 6 ft. .THU NIGHT...Variable wind 10 kt. Seas 4 ft. .FRI...E wind 30 kt. Seas 8 ft. .SAT...E wind 30 kt. Seas 13 ft. .SUN...SE wind 20 kt. Seas 9 ft. $$ PKZ712-010030- Cape Suckling to Cape Cleare from 15 to 75 NM- 341 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...SW wind 20 kt. Seas 6 ft. Widespread rain showers. .TONIGHT...W wind 25 kt. Seas 8 ft. .THU...SW wind 20 kt in the morning becoming variable 10 kt. Seas 7 ft. .THU NIGHT...Variable wind 10 kt. Seas 5 ft. .FRI...E wind 25 kt. Seas 9 ft. .SAT...SE wind 30 kt. Seas 13 ft. .SUN...S wind 15 kt. Seas 9 ft. $$ PKZ715-010030- Cape Cleare to Gore Point out to 15 NM- 341 AM AKDT Wed Sep 30 2026 .TODAY...SW wind 20 kt. Seas 5 ft. .TONIGHT...W wind 20 kt. Seas 5 ft. .THU...W wind 15 kt. Seas 5 ft. .THU NIGHT...Variable wind 10 kt. Seas 3 ft. .FRI...NE wind 30 kt. Seas 7 ft. .SAT...NE wind 30 kt. Seas 11 ft. .SUN...SE wind 15 kt. Seas 7 ft. $$ PKZ716-010030- Cape Cleare to Gore Point from 15 to 75 NM- 341 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...W wind 15 kt increasing to 25 kt in the afternoon. Seas 6 ft. Rain showers. .TONIGHT...W wind 25 kt. Seas 7 ft. .THU...W wind 20 kt. Seas 7 ft. .THU NIGHT...Variable wind 10 kt. Seas 5 ft. .FRI THROUGH SAT...E wind 30 kt. Seas 11 ft. .SUN...S wind 15 kt. Seas 8 ft. $$ PKZ714-010030- Resurrection Bay- 341 AM AKDT Wed Sep 30 2026 .TODAY...N wind 10 kt early becoming variable wind less than 10 kt. Seas 2 ft. Rain showers. .TONIGHT...N wind 15 kt. Seas 3 ft. .THU...N wind 10 kt in the morning becoming variable less than 10 kt. Seas 2 ft. .THU NIGHT...N wind 15 kt. Seas 3 ft. .FRI THROUGH SAT...N wind 20 kt. Seas 4 ft. .SUN...N wind 15 kt. Seas 3 ft. $$ PKZ724-010030- Northwest Prince William Sound- 341 AM AKDT Wed Sep 30 2026 .TODAY...NE wind 15 kt becoming E 10 kt in the afternoon. Seas 3 ft. Widespread rain showers. .TONIGHT...NE wind 10 kt. Seas 2 ft. Widespread rain showers. .THU...Variable wind less than 10 kt. Seas 2 ft. Rain showers. .THU NIGHT...N wind 10 kt. Seas 2 ft. .FRI...NE wind 15 kt. Seas 3 ft. .SAT...NE wind 20 kt. Seas 3 ft. .SUN...E wind 15 kt. Seas 2 ft. $$ PKZ725-010030- Central and Eastern Prince William Sound- 341 AM AKDT Wed Sep 30 2026 .TODAY...SE wind 15 kt. Seas 3 ft. Widespread rain showers. .TONIGHT...Variable wind less than 10 kt becoming S 10 kt after midnight. Seas 2 ft. Widespread rain showers. .THU...S wind 15 kt diminishing to 10 kt in the afternoon. Seas 2 ft. .THU NIGHT...Variable wind less than 10 kt. Seas 2 ft. .FRI...NE wind 20 kt. Seas 4 ft. .SAT...E wind 25 kt. Seas 6 ft. .SUN...SE wind 20 kt. Seas 3 ft. $$ PKZ726-010030- Southwest Prince William Sound- 341 AM AKDT Wed Sep 30 2026 .TODAY...W wind 10 kt. Seas 2 ft. Widespread rain showers. .TONIGHT...Variable wind less than 10 kt becoming W 10 kt after midnight. Seas 2 ft. .THU...SW wind 15 kt diminishing to 10 kt in the afternoon. Seas 3 ft. .THU NIGHT...W wind 10 kt. Seas 2 ft. .FRI THROUGH SAT...NE wind 25 kt. Seas 5 ft. .SUN...SE wind 15 kt. Seas 3 ft. $$ PKZ720-010030- Port of Valdez- 341 AM AKDT Wed Sep 30 2026 .TODAY...Variable wind less than 10 kt becoming NE 10 kt in the afternoon. Seas 2 ft. Widespread rain showers. .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Widespread rain showers. .THU...Variable wind less than 10 kt. Seas 2 ft. Widespread rain showers. .THU NIGHT...E wind 10 kt. Seas 2 ft. .FRI THROUGH SUN...NE wind 10 kt. Seas 2 ft. $$ PKZ721-010030- Valdez Narrows- 341 AM AKDT Wed Sep 30 2026 .TODAY...N wind 10 kt becoming SW in the afternoon. Seas 2 ft. Widespread rain showers. .TONIGHT...N wind 10 kt. Seas 2 ft. Widespread rain showers. .THU...N wind 10 kt becoming SW in the afternoon. Seas 2 ft. Widespread rain showers. .THU NIGHT...NE wind 10 kt. Seas 2 ft. .FRI THROUGH SUN...N wind 20 kt. Seas 3 ft. $$ PKZ722-010030- Valdez Arm- 341 AM AKDT Wed Sep 30 2026 .TODAY...N wind 10 kt becoming SW in the afternoon. Seas 2 ft. Widespread rain showers. .TONIGHT...N wind 10 kt. Seas 2 ft. Widespread rain showers. .THU...N wind 10 kt becoming SW in the afternoon. Seas 2 ft. Widespread rain showers. .THU NIGHT...NE wind 10 kt. Seas 2 ft. .FRI THROUGH SUN...NE wind 15 kt. Seas 3 ft. $$ PKZ723-010030- Passage Canal- 341 AM AKDT Wed Sep 30 2026 .TODAY...Variable wind less than 10 kt becoming E 10 kt in the afternoon. Seas 2 ft. Widespread rain showers. .TONIGHT...Variable wind 10 kt. Seas 2 ft. Widespread rain showers. .THU...Variable wind less than 10 kt. Seas 2 ft. Rain showers. .THU NIGHT...W wind 10 kt. Seas 2 ft. .FRI...Variable wind 10 kt. Seas 2 ft. .SAT THROUGH SUN...E wind 10 kt. Seas 2 ft. $$ PKZ730-010030- West of Barren Islands Including Kamishak Bay- 341 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...W wind 25 kt. Seas 6 ft. .TONIGHT...W wind 25 kt. Seas 7 ft. .THU...W wind 25 kt. Seas 6 ft. .THU NIGHT...NW wind 15 kt. Seas 3 ft. .FRI THROUGH SAT...NE wind 40 kt. Seas 10 ft. .SUN...E wind 25 kt. Seas 5 ft. $$ PKZ731-010030- Barren Islands East- 341 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...W wind 25 kt. Seas 5 ft. .TONIGHT...NW wind 25 kt. Seas 5 ft. .THU...NW wind 20 kt. Seas 4 ft. .THU NIGHT...Variable wind 10 kt. Seas 3 ft. .FRI THROUGH SAT...NE wind 30 kt. Seas 9 ft. .SUN...S wind 15 kt. Seas 7 ft. $$ PKZ733-010030- Gore Point to Marmot Island from 15 to 80 NM- 341 AM AKDT Wed Sep 30 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...W wind 15 kt increasing to 25 kt in the afternoon. Seas 5 ft. .TONIGHT...W wind 25 kt. Seas 6 ft. .THU...W wind 20 kt. Seas 6 ft. .THU NIGHT...Variable wind 10 kt. Seas 4 ft. .FRI...E wind 30 kt. Seas 10 ft. .SAT...SE wind 30 kt. Seas 12 ft. .SUN...SW wind 15 kt. Seas 7 ft. $$ PKZ732-010030- Marmot Island to Sitkinak out to 15 NM- 341 AM AKDT Wed Sep 30 2026 .TODAY...W wind 20 kt. Seas 4 ft. .TONIGHT...W wind 15 kt. Seas 4 ft. .THU...Variable wind 10 kt. Seas 3 ft. .THU NIGHT...NE wind 20 kt. Seas 3 ft. .FRI...NE wind 30 kt. Seas 9 ft. .SAT...S wind 25 kt. Seas 9 ft. .SUN...SW wind 20 kt. Seas 7 ft. $$ PKZ734-010030- Marmot Island To Sitkinak from 15 to 85 NM- 341 AM AKDT Wed Sep 30 2026 .TODAY...W wind 20 kt. Seas 7 ft. .TONIGHT...W wind 20 kt. Seas 6 ft. .THU...Variable wind 10 kt. Seas 4 ft. .THU NIGHT...E wind 15 kt. Seas 4 ft. .FRI...E wind 30 kt. Seas 12 ft. .SAT THROUGH SUN...SW wind 20 kt. Seas 10 ft. $$ PKZ736-010030- Chiniak Bay- 341 AM AKDT Wed Sep 30 2026 .TODAY...W wind 10 kt. Seas 2 ft. .TONIGHT...W wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. .THU...Variable wind less than 10 kt. Seas 1 ft building to 3 ft in the afternoon. .THU NIGHT...NE wind 10 kt. Seas 3 ft. .FRI...NE wind 20 kt. Seas 7 ft. .SAT...W wind 20 kt. Seas 7 ft. .SUN...SW wind 10 kt. Seas 2 ft. $$ PKZ737-010030- Marmot Bay- 341 AM AKDT Wed Sep 30 2026 .TODAY...W wind 15 kt. Seas 3 ft. .TONIGHT...W wind 10 kt. Seas 2 ft. .THU...NW wind 10 kt in the morning becoming variable less than 10 kt. Seas 1 ft building to 3 ft in the afternoon. .THU NIGHT...NE wind 10 kt. Seas 3 ft. .FRI THROUGH SAT...NE wind 25 kt. Seas 8 ft. .SUN...SW wind 10 kt. Seas 2 ft. $$ PKZ738-010030- Shelikof Strait- 341 AM AKDT Wed Sep 30 2026 .TODAY...W wind 20 kt. Seas 5 ft. .TONIGHT...NW wind 20 kt. Seas 4 ft. .THU...NW wind 15 kt. Seas 3 ft. .THU NIGHT...NE wind 15 kt. Seas 3 ft. .FRI THROUGH SAT...NE wind 35 kt. Seas 10 ft. .SUN...SW wind 15 kt. Seas 3 ft. $$ PKZ742-010030- Cook Inlet Kalgin Island to Point Bede- 341 AM AKDT Wed Sep 30 2026 .TODAY...N wind 15 kt diminishing to 10 kt in the afternoon. Seas 3 ft. .TONIGHT...W wind 15 kt. Seas 3 ft. .THU...NW wind 10 kt. Seas 3 ft. .THU NIGHT...NE wind 10 kt. Seas 2 ft. .FRI THROUGH SAT...NE wind 35 kt. Seas 9 ft. .SUN...NE wind 25 kt. Seas 5 ft. $$ PKZ740-010030- Cook Inlet North of Kalgin Island- 341 AM AKDT Wed Sep 30 2026 .TODAY...N wind 10 kt. Seas 3 ft. .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. .THU...NE wind 10 kt. Seas 2 ft. .THU NIGHT...N wind 10 kt. Seas 2 ft. .FRI THROUGH SAT...N wind 25 kt. Seas 6 ft. .SUN...NE wind 15 kt. Seas 4 ft. $$ PKZ741-010030- Kachemak Bay- 341 AM AKDT Wed Sep 30 2026 .TODAY...SW wind 15 kt. Seas 4 ft. .TONIGHT...W wind 15 kt. Seas 4 ft. .THU...SW wind 15 kt becoming W 10 kt in the afternoon. Seas 4 ft subsiding to 2 ft in the afternoon. .THU NIGHT...NE wind 10 kt. Seas 2 ft. .FRI THROUGH SAT...NE wind 20 kt. Seas 2 ft. .SUN...SE wind 10 kt. Seas 2 ft. $$