Coastal Waters Forecast
Issued by NWS
Issued by NWS
843 FZAK51 PAFC 271344 AAA CWFAER Coastal Waters Forecast...UPDATED National Weather Service Anchorage AK 544 AM AKDT Wed Aug 27 2025 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. PKZ197-280315- 544 AM AKDT Wed Aug 27 2025 .SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+ COOK INLET... A trough lifts across Kodiak Island and into the Kenai Peninsula through Wed afternoon. A 995 mb N Pacific low tracks into the Western Alaska Range on Thursday. Its front stalls over the western Gulf through Fri morning. $$ PKZ710-280315- Cape Suckling to Gravel Point out to 15 NM- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...SE wind 20 kt in the morning becoming variable 10 kt. Seas 5 ft. Rain showers. .TONIGHT...E wind 15 kt increasing to 25 kt after midnight. Seas 6 ft. Rain. .THU...SE wind 30 kt. Seas 8 ft. Rain. .THU NIGHT...SE wind 25 kt. Seas 8 ft. .FRI...S wind 20 kt. Seas 8 ft. .SAT...Variable wind 10 kt. Seas 5 ft. .SUN...Variable wind 10 kt. Seas 3 ft. $$ PKZ711-280315- Gravel Point to Cape Cleare out to 15 NM- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...S wind 20 kt. Seas 5 ft. .TONIGHT...SE wind 15 kt increasing to 25 kt after midnight. Seas 7 ft. Rain. .THU...SE wind 30 kt. Seas 10 ft. Rain. .THU NIGHT...SE wind 25 kt. Seas 9 ft. .FRI...S wind 25 kt. Seas 9 ft. .SAT...W wind 15 kt. Seas 5 ft. .SUN...S wind 15 kt. Seas 4 ft. $$ PKZ712-280315- Cape Suckling to Cape Cleare from 15 to 75 NM- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...S wind 20 kt. Seas 5 ft. .TONIGHT...SE wind 25 kt. Seas 8 ft. Rain. .THU...SE wind 30 kt. Seas 11 ft. Rain. .THU NIGHT...SE wind 25 kt. Seas 9 ft. .FRI...SW wind 25 kt. Seas 9 ft. .SAT...W wind 20 kt. Seas 6 ft. .SUN...SW wind 15 kt. Seas 4 ft. $$ PKZ715-280315- Cape Cleare to Gore Point out to 15 NM- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY... .TODAY...SE wind 20 kt. Seas 5 ft. Rain. .TONIGHT...E wind 30 kt. Seas 10 ft. Rain. .THU...E wind 25 kt. Seas 10 ft. Rain. .THU NIGHT...S wind 25 kt. Seas 10 ft. .FRI...SW wind 20 kt. Seas 9 ft. .SAT...SW wind 20 kt. Seas 4 ft. .SUN...S wind 15 kt. Seas 4 ft. $$ PKZ716-280315- Cape Cleare to Gore Point from 15 to 75 NM- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SE wind 25 kt. Seas 7 ft. .TONIGHT...SE wind 30 kt. Seas 12 ft. Rain. .THU...S wind 30 kt. Seas 12 ft. Rain. .THU NIGHT...S wind 25 kt. Seas 11 ft. .FRI...SW wind 25 kt. Seas 10 ft. .SAT...SW wind 25 kt. Seas 6 ft. .SUN...S wind 20 kt. Seas 5 ft. $$ PKZ714-280315- Resurrection Bay- 544 AM AKDT Wed Aug 27 2025 .TODAY...S wind 15 kt. Gusts to 25 kt. Seas 3 ft. Rain. .TONIGHT...S wind 15 kt diminishing to 10 kt after midnight. Gusts to 25 kt in the evening. Seas 3 ft. Rain. .THU...Variable wind less than 10 kt becoming S 15 kt in the afternoon. Gusts to 25 kt in the afternoon. Seas 3 ft. Rain. .THU NIGHT...S wind 20 kt. Seas 4 ft. .FRI...S wind 10 kt. Seas 2 ft. .SAT THROUGH SUN...Variable wind 10 kt. Seas 2 ft. $$ PKZ724-280315- Northwest Prince William Sound- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY TODAY AND THURSDAY... .TODAY...E wind 25 kt becoming SE 10 kt in the afternoon. Seas 4 ft subsiding to 2 ft in the afternoon. Rain. .TONIGHT...E wind 10 kt increasing to 15 kt after midnight. Seas 3 ft. Rain. .THU...E wind 20 kt becoming SE 30 kt in the afternoon. Seas 4 ft building to 7 ft in the afternoon. Rain. .THU NIGHT...SE wind 30 kt. Seas 6 ft. .FRI...E wind 20 kt. Seas 4 ft. .SAT...NW wind 10 kt. Seas 2 ft. .SUN...E wind 10 kt. Seas 2 ft. $$ PKZ725-280315- Central and Eastern Prince William Sound- 544 AM AKDT Wed Aug 27 2025 ...GALE WARNING THURSDAY... .TODAY...SE wind 25 kt diminishing to 15 kt in the afternoon. Seas 6 ft subsiding to 3 ft in the afternoon. Rain showers. .TONIGHT...E wind 20 kt. Seas 4 ft. Rain. .THU...SE wind 35 kt. Seas 9 ft. Rain. .THU NIGHT...SE wind 30 kt. Seas 7 ft. .FRI...SE wind 25 kt. Seas 6 ft. .SAT...SW wind 10 kt. Seas 2 ft. .SUN...SE wind 10 kt. Seas 2 ft. $$ PKZ726-280315- Southwest Prince William Sound- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...S wind 15 kt diminishing to 10 kt in the afternoon. Seas 3 ft. .TONIGHT...SE wind 10 kt becoming E 15 kt after midnight. Seas 3 ft. Rain. .THU...SE wind 25 kt. Seas 4 ft. Rain. .THU NIGHT...SE wind 20 kt. Seas 4 ft. .FRI...S wind 20 kt. Seas 4 ft. .SAT...W wind 10 kt. Seas 2 ft. .SUN...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ720-280315- Port of Valdez- 544 AM AKDT Wed Aug 27 2025 .TODAY...Variable wind less than 10 kt becoming Variable wind 10 kt in the afternoon. Seas 2 ft. Rain. .TONIGHT...SW wind 10 kt becoming E after midnight. Seas 2 ft. Rain. .THU...Variable wind less than 10 kt. Seas 2 ft. Rain. .THU NIGHT...Variable wind less than 10 kt. Seas 2 ft. .FRI...SW wind 10 kt. Seas 2 ft. .SAT THROUGH SUN...W wind 10 kt. Seas 2 ft. $$ PKZ721-280315- Valdez Narrows- 544 AM AKDT Wed Aug 27 2025 .TODAY...N wind 15 kt becoming S in the afternoon. Seas 3 ft. Rain. .TONIGHT...S wind 10 kt becoming N 15 kt after midnight. Seas 3 ft. Rain. .THU...N wind 15 kt becoming S in the afternoon. Seas 3 ft. Rain. .THU NIGHT...SW wind 15 kt. Seas 3 ft. .FRI THROUGH SAT...Variable wind 15 kt. Seas 3 ft. .SUN...Variable wind 15 kt. Seas 3 ft. $$ PKZ722-280315- Valdez Arm- 544 AM AKDT Wed Aug 27 2025 .TODAY...NE wind 15 kt becoming S 10 kt in the afternoon. Seas 3 ft. Rain. .TONIGHT...S wind 10 kt in the evening becoming NE 15 kt. Seas 3 ft. Rain. .THU...NE wind 20 kt. Seas 4 ft. Rain. .THU NIGHT...NE wind 25 kt. Seas 5 ft. .FRI...S wind 25 kt. Seas 4 ft. .SAT...SE wind 10 kt. Seas 2 ft. .SUN...NW wind 10 kt. Seas 2 ft. $$ PKZ723-280315- Passage Canal- 544 AM AKDT Wed Aug 27 2025 .TODAY...E wind 10 kt. Seas 2 ft. Rain. .TONIGHT...E wind 10 kt. Seas 2 ft. Rain. .THU...E wind 20 kt. Gusts to 30 kt. Seas 3 ft. Rain. .THU NIGHT...E wind 20 kt. Seas 3 ft. .FRI...E wind 15 kt. Seas 2 ft. .SAT THROUGH SUN...E wind 10 kt. Seas 2 ft. $$ PKZ730-280315- West of Barren Islands Including Kamishak Bay- 544 AM AKDT Wed Aug 27 2025 ...GALE WARNING THROUGH TONIGHT... .TODAY...SE wind 25 kt early increasing to 35 kt. Seas 6 ft early building to 10 ft. Rain. .TONIGHT...E wind 40 kt. Seas 12 ft. Rain. .THU...E wind 30 kt. Seas 8 ft. Rain. .THU NIGHT...SW wind 25 kt. Seas 7 ft. .FRI...W wind 30 kt. Seas 7 ft. .SAT...S wind 20 kt. Seas 5 ft. .SUN...SE wind 25 kt. Seas 5 ft. $$ PKZ731-280315- Barren Islands East- 544 AM AKDT Wed Aug 27 2025 ...GALE WARNING TONIGHT... .TODAY...SE wind 30 kt. Seas 7 ft in the morning building to 10 ft. Rain. .TONIGHT...SE wind 40 kt. Seas 13 ft. Rain. .THU...SE wind 30 kt. Seas 11 ft. Rain. .THU NIGHT...S wind 25 kt. Seas 9 ft. .FRI...W wind 25 kt. Seas 7 ft. .SAT...SW wind 20 kt. Seas 4 ft. .SUN...S wind 25 kt. Seas 5 ft. $$ PKZ733-280315- Gore Point to Marmot Island from 15 to 80 NM- 544 AM AKDT Wed Aug 27 2025 ...GALE WARNING TONIGHT... .TODAY...SE wind 20 kt early increasing to 30 kt. Seas 6 ft early building to 10 ft. Rain. .TONIGHT...SE wind 35 kt. Seas 13 ft. Rain. .THU...S wind 30 kt. Seas 12 ft. Rain. .THU NIGHT...S wind 25 kt. Seas 11 ft. .FRI...W wind 25 kt. Seas 8 ft. .SAT THROUGH SUN...S wind 20 kt. Seas 5 ft. $$ PKZ732-280315- Marmot Island to Sitkinak out to 15 NM- 544 AM AKDT Wed Aug 27 2025 ...GALE WARNING TONIGHT... .TODAY...SE wind 30 kt. Seas 11 ft. Rain. .TONIGHT...SE wind 20 kt becoming S 30 kt after midnight. N of Dangerous Cape, SE wind 35 kt. Seas 12 ft. Rain. .THU...S wind 30 kt. Seas 12 ft. Rain. .THU NIGHT...SW wind 25 kt. Seas 9 ft. .FRI...W wind 25 kt. Seas 6 ft. .SAT THROUGH SUN...S wind 20 kt. Seas 4 ft. $$ PKZ734-280315- Marmot Island To Sitkinak from 15 to 85 NM- 544 AM AKDT Wed Aug 27 2025 ...GALE WARNING TONIGHT... .TODAY...SE wind 30 kt. Seas 12 ft. Rain. .TONIGHT...S wind 35 kt. Seas 13 ft. Rain. .THU...S wind 30 kt. Seas 12 ft. Rain. .THU NIGHT...SW wind 20 kt. Seas 10 ft. .FRI...W wind 25 kt. Seas 8 ft. .SAT...SW wind 20 kt. Seas 4 ft. .SUN...S wind 25 kt. Seas 7 ft. $$ PKZ736-280315- Chiniak Bay- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SE wind 20 kt in the morning increasing to 30 kt. Seas 5 ft in the morning building to 10 ft. Rain. .TONIGHT...SE wind 25 kt. Seas 7 ft. Rain. .THU...S wind 25 kt. Seas 5 ft. Rain. .THU NIGHT...SW wind 15 kt. Seas 4 ft. .FRI...W wind 10 kt. Seas 2 ft. .SAT...SW wind 15 kt. Seas 2 ft. .SUN...S wind 20 kt. Seas 2 ft. $$ PKZ737-280315- Marmot Bay- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SE wind 20 kt in the morning increasing to 30 kt. Seas 5 ft in the morning building to 10 ft. Rain. .TONIGHT...SE wind 30 kt. Seas 10 ft. Rain. .THU...SE wind 25 kt. Seas 8 ft. .THU NIGHT...SW wind 20 kt. Seas 4 ft. .FRI...W wind 15 kt. Seas 2 ft. .SAT THROUGH SUN...S wind 15 kt. Seas 3 ft. $$ PKZ738-280315- Shelikof Strait- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...E wind 25 kt. Seas 5 ft. Rain. .TONIGHT...E wind 25 kt. Seas 6 ft. Rain. .THU...SE wind 25 kt becoming S 15 kt in the afternoon. Seas 4 ft. .THU NIGHT...SW wind 20 kt. Seas 4 ft. .FRI...W wind 20 kt. Seas 4 ft. .SAT THROUGH SUN...S wind 20 kt. Seas 5 ft. $$ PKZ742-280315- Cook Inlet Kalgin Island to Point Bede- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...E wind 15 kt early increasing to 25 kt. Seas 3 ft in the morning building to 5 ft. Rain. .TONIGHT...NE wind 25 kt. Seas 4 ft building to 6 ft after midnight. Rain. .THU...NE wind 25 kt diminishing to 15 kt in the afternoon. Seas 5 ft. Rain. .THU NIGHT...S wind 20 kt. Seas 4 ft. .FRI...SW wind 20 kt. Seas 4 ft. .SAT...SW wind 15 kt. Seas 4 ft. .SUN...SE wind 20 kt. Seas 4 ft. $$ PKZ740-280315- Cook Inlet North Kalgin Island- 544 AM AKDT Wed Aug 27 2025 .TODAY...S wind 15 kt in the morning becoming variable less than 10 kt. Seas 2 ft. .TONIGHT...NE wind 10 kt increasing to 15 kt after midnight. Seas 1 ft building to 3 ft after midnight. Rain. .THU...NE wind 15 kt becoming SE 10 kt in the afternoon. Seas 3 ft. Rain. .THU NIGHT...S wind 25 kt. Seas 5 ft. .FRI...S wind 30 kt. Seas 6 ft. .SAT THROUGH SUN...S wind 15 kt. Seas 3 ft. $$ PKZ741-280315- Kachemak Bay- 544 AM AKDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SE wind 15 kt increasing to 25 kt in the afternoon. Seas 2 ft building to 4 ft in the afternoon. Rain. .TONIGHT...E wind 30 kt. Seas 5 ft. Rain. .THU...E wind 15 kt. Seas 3 ft. Rain. .THU NIGHT...S wind 15 kt. Seas 2 ft. .FRI THROUGH SAT...SW wind 15 kt. Seas 3 ft. .SUN...SE wind 15 kt. Seas 2 ft. $$