Coastal Waters Forecast
Issued by NWS
Issued by NWS
827 FZAK51 PAFC 212336 CWFAER Coastal Waters Forecast National Weather Service Anchorage Alaska 336 PM AKDT Thu Aug 21 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. PKZ197-221215- 336 PM AKDT Thu Aug 21 2025 .SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+ COOK INLET... A 1007 mb North Pacific low lingers 415 nm SE of Kodiak then weakens to 1014 mb through Sat afternoon. $$ PKZ710-221215- Cape Suckling to Gravel Point out to 15 NM- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind 10 kt. Seas 5 ft. .FRI...Variable wind 10 kt. Seas 5 ft. .FRI NIGHT...Variable wind 10 kt. Seas 5 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SAT NIGHT...Variable wind 10 kt. Seas 3 ft. .SUN THROUGH TUE...Variable wind 10 kt. Seas 3 ft. $$ PKZ711-221215- Gravel Point to Cape Cleare out to 15 NM- 336 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 5 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SAT NIGHT...Variable wind 10 kt. Seas 3 ft. .SUN THROUGH TUE...Variable wind 10 kt. Seas 2 ft. $$ PKZ712-221215- Cape Suckling to Cape Cleare from 15 to 75 NM- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...E wind 15 kt. Seas 7 ft. .FRI...NE wind 15 kt. Seas 7 ft. .FRI NIGHT...Variable wind 10 kt. Seas 6 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN THROUGH MON...Variable wind 10 kt. Seas 3 ft. .TUE...SW wind 15 kt. Seas 2 ft. $$ PKZ715-221215- Cape Cleare to Gore Point out to 15 NM- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...NE wind 15 kt. Seas 6 ft. .FRI...Variable wind 10 kt. Seas 6 ft. .FRI NIGHT...Variable wind 10 kt. Seas 5 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 3 ft. .MON THROUGH TUE...S wind 15 kt. Seas 2 ft. $$ PKZ716-221215- Cape Cleare to Gore Point from 15 to 75 NM- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...NE wind 15 kt. Seas 7 ft. .FRI...NE wind 15 kt. Seas 7 ft. .FRI NIGHT...Variable wind 10 kt. Seas 6 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 4 ft. .SUN...Variable wind 10 kt. Seas 3 ft. .MON THROUGH TUE...S wind 15 kt. Seas 3 ft. $$ PKZ714-221215- Resurrection Bay- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...S wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. .FRI...N wind 10 kt becoming S in the afternoon. Seas 2 ft. .FRI NIGHT...S wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. .SAT...Variable wind 15 kt. Seas 3 ft. .SAT NIGHT...S wind 15 kt. Seas 3 ft. .SUN THROUGH TUE...S wind 10 kt. Seas 2 ft. $$ PKZ724-221215- Northwest Prince William Sound- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. .FRI...NW wind 10 kt. Seas 2 ft. .FRI NIGHT...W wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. .SAT THROUGH TUE...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ725-221215- Central and Eastern Prince William Sound- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. .FRI...NW wind 10 kt. Seas 2 ft. .FRI NIGHT...W wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. .SAT THROUGH TUE...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ726-221215- Southwest Prince William Sound- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...NE wind 10 kt. Seas 2 ft. .FRI...Variable wind less than 10 kt. Seas 2 ft. .FRI NIGHT THROUGH MON...Variable wind less than 10 kt. Seas 2 ft. .TUE...SW wind 10 kt. Seas 2 ft. $$ PKZ720-221215- Port of Valdez- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. .FRI...Variable wind less than 10 kt becoming W 10 kt in the afternoon. Seas 2 ft. .FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 2 ft. .SUN...SW wind 10 kt. Seas 2 ft. .MON...Variable wind less than 10 kt. Seas 2 ft. .TUE...Variable wind 10 kt. Seas 2 ft. $$ PKZ721-221215- Valdez Narrows- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind less than 10 kt becoming N after midnight. Seas 2 ft. .FRI...N wind 15 kt becoming SW wind 10 kt in the afternoon. Seas 3 ft. .FRI NIGHT...SW wind 10 kt becoming N after midnight. Seas 2 ft. .SAT...NE wind 20 kt. Seas 3 ft. .SAT NIGHT...NE wind 15 kt. Seas 3 ft. .SUN...SW wind 10 kt. Seas 2 ft. .MON...SW wind 15 kt. Seas 3 ft. .TUE...SW wind 10 kt. Seas 2 ft. $$ PKZ722-221215- Valdez Arm- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind less than 10 kt becoming NE 10 kt after midnight. Seas 2 ft. .FRI...NE wind 10 kt becoming SW in the afternoon. Seas 2 ft. .FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft. .SAT...NW wind 10 kt. Seas 2 ft. .SAT NIGHT...NE wind 10 kt. Seas 2 ft. .SUN...W wind 10 kt. Seas 2 ft. .MON THROUGH TUE...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ723-221215- Passage Canal- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...Variable wind less than 10 kt becoming W 10 kt after midnight. Seas 2 ft. .FRI...W wind 10 kt. Gusts to 20 kt near Whittier. Seas 2 ft. .FRI NIGHT...W wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. .SAT...Variable wind less than 10 kt. Seas 2 ft. .SAT NIGHT...Variable wind less than 10 kt. Seas 2 ft. .SUN THROUGH TUE...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ730-221215- West of Barren Islands Including Kamishak Bay- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...SE wind 15 kt. Seas 3 ft. .FRI...Variable wind 10 kt. Seas 2 ft. .FRI NIGHT...Variable wind 10 kt. Seas 2 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 3 ft. .SUN THROUGH MON...SE wind 15 kt. Seas 4 ft. .TUE...SE wind 20 kt. Seas 5 ft. $$ PKZ731-221215- Barren Islands East- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...E wind 15 kt. Seas 6 ft. Patchy fog. .FRI...Variable wind 10 kt. Seas 6 ft. .FRI NIGHT...NW wind 15 kt. Seas 5 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SAT NIGHT...Variable wind 10 kt. Seas 3 ft. .SUN THROUGH MON...SE wind 15 kt. Seas 3 ft. .TUE...SE wind 20 kt. Seas 4 ft. $$ PKZ733-221215- Gore Point to Marmot Island from 15 to 80 NM- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...NE wind 15 kt. Seas 7 ft. .FRI...NE wind 15 kt. Seas 7 ft. .FRI NIGHT...N wind 15 kt. Seas 6 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SAT NIGHT...Variable wind 10 kt. Seas 3 ft. .SUN...Variable wind 10 kt. Seas 3 ft. .MON...S wind 15 kt. Seas 3 ft. .TUE...S wind 20 kt. Seas 3 ft. $$ PKZ732-221215- Marmot Island to Sitkinak out to 15 NM- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...N wind 20 kt. Seas 7 ft. Patchy fog. .FRI...N wind 20 kt. Seas 6 ft. .FRI NIGHT...Variable wind 10 kt. Seas 6 ft. .SAT...Variable wind 10 kt. Seas 5 ft. .SAT NIGHT...Variable wind 10 kt. Seas 3 ft. .SUN THROUGH MON...S wind 15 kt. Seas 3 ft. .TUE...S wind 20 kt. Seas 4 ft. $$ PKZ734-221215- Marmot Island To Sitkinak from 15 to 85 NM- 336 PM AKDT Thu Aug 21 2025 ...SMALL CRAFT ADVISORY TONIGHT... .TONIGHT...N wind 25 kt. Seas 8 ft. .FRI...NE wind 20 kt. Seas 7 ft. .FRI NIGHT...N wind 20 kt. Seas 7 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 6 ft. .SUN...Variable wind 10 kt. Seas 3 ft. .MON...S wind 15 kt. Seas 3 ft. .TUE...S wind 20 kt. Seas 6 ft. $$ PKZ736-221215- Chiniak Bay- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...NE wind 10 kt increasing to 15 kt after midnight. Seas 3 ft. Patchy fog. .FRI...N wind 15 kt. Seas 3 ft. .FRI NIGHT...Variable wind less than 10 kt becoming NW 10 kt after midnight. Seas 3 ft. .SAT AND SAT NIGHT...Variable wind less than 10 kt. Seas 3 ft. .SUN...S wind 10 kt. Seas 3 ft. .MON THROUGH TUE...S wind 15 kt. Seas 2 ft. $$ PKZ737-221215- Marmot Bay- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...E wind 10 kt in the evening becoming variable less than 10 kt. Seas 3 ft. Patchy fog. .FRI...Variable wind less than 10 kt. Seas 3 ft. .FRI NIGHT...Variable wind less than 10 kt becoming W 10 kt after midnight. Seas 2 ft. .SAT AND SAT NIGHT...Variable wind less than 10 kt. Seas 3 ft. .SUN...S wind 10 kt. Seas 3 ft. .MON THROUGH TUE...S wind 15 kt. Seas 4 ft. $$ PKZ738-221215- Shelikof Strait- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...NE wind 15 kt. Seas 3 ft. Patchy fog. .FRI...NE wind 15 kt. Seas 3 ft. .FRI NIGHT...Variable wind 10 kt. Seas 2 ft. .SAT AND SAT NIGHT...Variable wind 10 kt. Seas 3 ft. .SUN THROUGH MON...S wind 15 kt. Seas 3 ft. .TUE...S wind 20 kt. Seas 4 ft. $$ PKZ742-221215- Cook Inlet Kalgin Island to Point Bede- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 20 kt. Seas 5 ft. .FRI...SW wind 15 kt in the morning becoming variable less than 10 kt. Seas 3 ft. .FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft. .SAT AND SAT NIGHT...S wind 15 kt. Seas 4 ft. .SUN...S wind 20 kt. Seas 6 ft. .MON THROUGH TUE...S wind 15 kt. Seas 4 ft. $$ PKZ740-221215- Cook Inlet North of Kalgin Island- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...S wind 20 kt. Seas 5 ft. .FRI...S wind 15 kt in the morning becoming variable less than 10 kt. Seas 3 ft. .FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft. .SAT AND SAT NIGHT...S wind 10 kt. Seas 3 ft. .SUN THROUGH TUE...S wind 15 kt. Seas 4 ft. $$ PKZ741-221215- Kachemak Bay- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...SW wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. .FRI...Variable wind less than 10 kt becoming W 10 kt in the afternoon. Seas 2 ft. .FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft. .SAT AND SAT NIGHT...S wind 10 kt. Seas 2 ft. .SUN...S wind 10 kt. Seas 2 ft. .MON THROUGH TUE...S wind 15 kt. Seas 2 ft. $$