Coastal Waters Forecast
Issued by NWS
Issued by NWS
001 FZAK51 PAFC 182340 CWFAER Coastal Waters Forecast National Weather Service Anchorage Alaska 340 PM AKDT Fri Sep 18 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. PKZ197-191245- 340 PM AKDT Fri Sep 18 2026 .SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+ COOK INLET... A 995 mb low 80 nm south of Cordova reaches the north Gulf Coast Fri evening and heads inland through Sat morning. A 996 mb North Pacific low moves 260 nm south of Middleton Island at 977 mb Sat evening and then moves 90 nm south of Valdez at 983 mb by Sun afternoon. $$ PKZ710-191245- Cape Suckling to Gravel Point out to 15 NM- 340 PM AKDT Fri Sep 18 2026 ...GALE WARNING TONIGHT... .TONIGHT...SE wind 40 kt becoming S 25 kt after midnight. Seas 11 ft subsiding to 7 ft after midnight. Rain. .SAT...E wind 25 kt. Seas 7 ft. Rain showers. .SAT NIGHT...E wind 30 kt. Seas 9 ft. Rain showers. .SUN...E wind 35 kt. Seas 12 ft. .SUN NIGHT...SE wind 20 kt. Seas 11 ft. .MON...SE wind 20 kt. Seas 8 ft. .TUE...NE wind 20 kt. Seas 6 ft. .WED...Variable wind 10 kt. Seas 8 ft. $$ PKZ711-191245- Gravel Point to Cape Cleare out to 15 NM- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT... .TONIGHT...NW wind 30 kt becoming S 25 kt after midnight. Seas 9 ft. Rain. .SAT...E wind 25 kt. Seas 6 ft. Rain showers. .SAT NIGHT...E wind 30 kt. Seas 8 ft. Rain showers. .SUN...NE wind 30 kt. Seas 11 ft. .SUN NIGHT...SW wind 15 kt. Seas 9 ft. .MON...SE wind 20 kt. Seas 7 ft. .TUE...NE wind 15 kt. Seas 6 ft. .WED...Variable wind 10 kt. Seas 8 ft. $$ PKZ712-191245- Cape Suckling to Cape Cleare from 15 to 75 NM- 340 PM AKDT Fri Sep 18 2026 ...GALE WARNING TONIGHT... .TONIGHT...W wind 35 kt becoming S 15 kt after midnight. Seas 13 ft subsiding to 8 ft after midnight. Rain showers. .SAT...SE wind 20 kt increasing to 30 kt in the afternoon. Seas 8 ft. Rain. .SAT NIGHT...SE wind 30 kt. Seas 10 ft. Rain showers. .SUN...E wind 30 kt. Seas 13 ft. .SUN NIGHT...SW wind 20 kt. Seas 13 ft. .MON...S wind 25 kt. Seas 10 ft. .TUE...NE wind 25 kt. Seas 9 ft. .WED...E wind 15 kt. Seas 10 ft. $$ PKZ715-191245- Cape Cleare to Gore Point out to 15 NM- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY NIGHT... .TONIGHT...SW wind 20 kt. Seas 6 ft. .SAT...NE wind 20 kt. Seas 5 ft. Rain showers. .SAT NIGHT...NE wind 25 kt. Seas 8 ft. Rain. .SUN...N wind 25 kt. Seas 9 ft. .SUN NIGHT...Variable wind 10 kt. Seas 8 ft. .MON...SE wind 15 kt. Seas 6 ft. .TUE...N wind 15 kt. Seas 5 ft. .WED...Variable wind 10 kt. Seas 6 ft. $$ PKZ716-191245- Cape Cleare to Gore Point from 15 to 75 NM- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT... .TONIGHT...SW wind 15 kt. Seas 7 ft. .SAT...E wind 15 kt increasing to 25 kt in the afternoon. Seas 6 ft. Rain. .SAT NIGHT...E wind 30 kt. Seas 9 ft. Rain showers. .SUN...N wind 25 kt. Seas 10 ft. .SUN NIGHT...W wind 20 kt. Seas 8 ft. .MON...SE wind 25 kt. Seas 8 ft. .TUE...N wind 15 kt. Seas 8 ft. .WED...NE wind 15 kt. Seas 8 ft. $$ PKZ714-191245- Resurrection Bay- 340 PM AKDT Fri Sep 18 2026 .TONIGHT...N wind 10 kt becoming S after midnight. Seas 2 ft. Rain showers. .SAT...Variable wind less than 10 kt becoming N 10 kt in the afternoon. Seas 2 ft. Rain showers. .SAT NIGHT...N wind 20 kt. Seas 4 ft. Rain. .SUN...N wind 20 kt. Seas 4 ft. .SUN NIGHT...N wind 10 kt. Seas 2 ft. .MON...S wind 15 kt. Seas 3 ft. .TUE THROUGH WED...N wind 15 kt. Seas 3 ft. $$ PKZ724-191245- Northwest Prince William Sound- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY NIGHT... .TONIGHT...NW wind 20 kt becoming S 15 kt after midnight. Seas 3 ft. Rain. .SAT...E wind 20 kt. Seas 4 ft. Rain showers. .SAT NIGHT...NE wind 25 kt. Seas 4 ft. Rain. .SUN...NW wind 20 kt. Seas 3 ft. .SUN NIGHT...N wind 10 kt. Seas 2 ft. .MON...E wind 15 kt. Seas 3 ft. .TUE...NW wind 10 kt. Seas 2 ft. .WED...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ725-191245- Central and Eastern Prince William Sound- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY NIGHT... .TONIGHT...N wind 25 kt becoming S after midnight. Seas 6 ft. Rain. .SAT...SE wind 20 kt. Seas 4 ft. Rain showers. .SAT NIGHT...E wind 25 kt. Seas 6 ft subsiding to 4 ft after midnight. Rain showers. .SUN...NE wind 20 kt. Seas 4 ft. .SUN NIGHT...E wind 15 kt. Seas 3 ft. .MON...SE wind 15 kt. Seas 3 ft. .TUE...N wind 15 kt. Seas 2 ft. .WED...E wind 10 kt. Seas 2 ft. $$ PKZ726-191245- Southwest Prince William Sound- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY NIGHT... .TONIGHT...W wind 25 kt becoming S 20 kt after midnight. Seas 4 ft. Rain. .SAT...E wind 15 kt. Seas 3 ft. Rain showers. .SAT NIGHT...NE wind 25 kt. Seas 4 ft. Rain. .SUN...N wind 20 kt. Seas 4 ft. .SUN NIGHT...NW wind 10 kt. Seas 2 ft. .MON...SE wind 15 kt. Seas 3 ft. .TUE...N wind 15 kt. Seas 3 ft. .WED...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ720-191245- Port of Valdez- 340 PM AKDT Fri Sep 18 2026 .TONIGHT...E wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft. Rain. .SAT...Variable wind less than 10 kt. Seas 2 ft. Rain showers. .SAT NIGHT...Variable wind less than 10 kt. Seas 2 ft. Rain showers. .SUN AND SUN NIGHT...NE wind 10 kt. Seas 2 ft. .MON...E wind 20 kt. Seas 3 ft. .TUE THROUGH WED...NE wind 20 kt. Seas 4 ft. $$ PKZ721-191245- Valdez Narrows- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY NIGHT... .TONIGHT...N wind 25 kt becoming S after midnight. Seas 3 ft. Rain. .SAT...N wind 20 kt. Seas 3 ft. Rain showers. .SAT NIGHT...N wind 25 kt. Seas 3 ft. Rain showers. .SUN...NE wind 25 kt. Seas 3 ft. .SUN NIGHT...Variable wind less than 10 kt. Seas 2 ft. .MON THROUGH WED...N wind 10 kt. Seas 2 ft. $$ PKZ722-191245- Valdez Arm- 340 PM AKDT Fri Sep 18 2026 .TONIGHT...N wind 20 kt becoming S after midnight. Seas 4 ft. Rain. .SAT...NE wind 15 kt. Seas 3 ft. Rain showers. .SAT NIGHT...NE wind 15 kt. Seas 3 ft. Rain. .SUN...NE wind 15 kt. Seas 3 ft. .SUN NIGHT...NE wind 10 kt. Seas 2 ft. .MON...NE wind 15 kt. Seas 3 ft. .TUE...NE wind 15 kt. Seas 3 ft. .WED...N wind 10 kt. Seas 2 ft. $$ PKZ723-191245- Passage Canal- 340 PM AKDT Fri Sep 18 2026 .TONIGHT...W wind 20 kt. Seas 2 ft. Rain. .SAT...E wind 10 kt increasing to 15 kt in the afternoon. Seas 2 ft. Rain showers. .SAT NIGHT...E wind 15 kt becoming Variable wind 10 kt after midnight. Seas 2 ft. Rain. .SUN...W wind 10 kt. Seas 2 ft. .SUN NIGHT...Variable wind less than 10 kt. Seas 2 ft. .MON...NE wind 10 kt. Seas 2 ft. .TUE THROUGH WED...W wind 10 kt. Seas 2 ft. $$ PKZ730-191245- West of Barren Islands Including Kamishak Bay- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT... .TONIGHT...Variable wind 10 kt. Seas 2 ft. .SAT...E wind 15 kt becoming NE 25 kt in the afternoon. Seas 7 ft. Rain showers. .SAT NIGHT...N wind 25 kt. Seas 7 ft. Rain. .SUN...NW wind 20 kt. Seas 5 ft. .SUN NIGHT...W wind 15 kt. Seas 3 ft. .MON...W wind 20 kt. Seas 5 ft. .TUE...NW wind 25 kt. Seas 6 ft. .WED...SW wind 25 kt. Seas 5 ft. $$ PKZ731-191245- Barren Islands East- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT... .TONIGHT...Variable wind 10 kt. Seas 4 ft. .SAT...NE wind 25 kt. Seas 5 ft. Rain showers. .SAT NIGHT...NE wind 30 kt. Seas 8 ft. Rain. .SUN...NW wind 20 kt. Seas 8 ft. .SUN NIGHT...W wind 15 kt. Seas 6 ft. .MON...NW wind 20 kt. Seas 5 ft. .TUE...NW wind 25 kt. Seas 5 ft. .WED...W wind 25 kt. Seas 6 ft. $$ PKZ733-191245- Gore Point to Marmot Island from 15 to 80 NM- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT... .TONIGHT...Variable wind 10 kt. Seas 5 ft. .SAT...E wind 25 kt. Seas 7 ft. Rain. .SAT NIGHT...NE wind 30 kt. Seas 9 ft. Rain. .SUN...NW wind 25 kt. Seas 10 ft. .SUN NIGHT...W wind 25 kt. Seas 8 ft. .MON...S wind 20 kt. Seas 8 ft. .TUE...N wind 20 kt. Seas 8 ft. .WED...W wind 20 kt. Seas 8 ft. $$ PKZ732-191245- Marmot Island to Sitkinak out to 15 NM- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT... .TONIGHT...Variable wind 10 kt. Seas 4 ft. .SAT...E wind 25 kt. Seas 6 ft. Rain. .SAT NIGHT...NW wind 30 kt except N 30 kt N of Dangerous Cape. Seas 9 ft. Rain. .SUN...W wind 30 kt. Seas 8 ft. .SUN NIGHT...W wind 25 kt. Seas 7 ft. .MON...NW wind 25 kt. Seas 6 ft. .TUE...NW wind 20 kt. Seas 5 ft. .WED...SW wind 15 kt. Seas 5 ft. $$ PKZ734-191245- Marmot Island To Sitkinak from 15 to 85 NM- 340 PM AKDT Fri Sep 18 2026 ...GALE WARNING SATURDAY NIGHT... .TONIGHT...SE wind 15 kt. Seas 5 ft. Rain. .SAT...NE wind 30 kt. Seas 8 ft. Rain showers with isolated thunderstorms in the afternoon. .SAT NIGHT...NW wind 35 kt except N 25 kt N of Dangerous Cape. Seas 11 ft. Isolated thunderstorms. .SUN AND SUN NIGHT...W wind 30 kt. Seas 11 ft. .MON...W wind 25 kt. Seas 10 ft. .TUE...NW wind 25 kt. Seas 8 ft. .WED...W wind 20 kt. Seas 8 ft. $$ PKZ736-191245- Chiniak Bay- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT... .TONIGHT...S wind 10 kt in the evening becoming variable less than 10 kt. Seas 3 ft. .SAT...NE wind 10 kt increasing to 25 kt in the afternoon. Seas 3 ft building to 6 ft in the afternoon. Rain. .SAT NIGHT...N wind 30 kt. Seas 6 ft. Rain. .SUN...W wind 15 kt. Seas 3 ft. .SUN NIGHT...W wind 10 kt. Seas 2 ft. .MON THROUGH TUE...NW wind 15 kt. Seas 2 ft. .WED...SW wind 10 kt. Seas 3 ft. $$ PKZ737-191245- Marmot Bay- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY NIGHT... .TONIGHT...Variable wind less than 10 kt becoming E 10 kt after midnight. Seas 3 ft. .SAT...E wind 10 kt becoming NE 20 kt in the afternoon. Seas 3 ft building to 5 ft in the afternoon. Rain. .SAT NIGHT...N wind 25 kt. Seas 7 ft subsiding to 4 ft after midnight. Rain. .SUN...W wind 15 kt. Seas 2 ft. .SUN NIGHT...W wind 10 kt. Seas 2 ft. .MON THROUGH TUE...NW wind 15 kt. Seas 2 ft. .WED...SW wind 10 kt. Seas 3 ft. $$ PKZ738-191245- Shelikof Strait- 340 PM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT... .TONIGHT...Variable wind 10 kt becoming NE 15 kt after midnight. Seas 3 ft. .SAT...NE wind 25 kt. Seas 5 ft. .SAT NIGHT...N wind 25 kt. Seas 7 ft. Rain. .SUN...W wind 25 kt. Seas 5 ft. .SUN NIGHT...W wind 20 kt. Seas 4 ft. .MON...NW wind 25 kt. Seas 4 ft. .TUE...NW wind 20 kt. Seas 3 ft. .WED...SW wind 20 kt. Seas 3 ft. $$ PKZ742-191245- Cook Inlet Kalgin Island to Point Bede- 340 PM AKDT Fri Sep 18 2026 .TONIGHT...Variable wind less than 10 kt becoming SW 10 kt after midnight. Seas 1 ft. .SAT...N wind 20 kt. Seas 3 ft building to 5 ft in the afternoon. Rain showers. .SAT NIGHT...N wind 20 kt. Seas 5 ft. Rain. .SUN...N wind 20 kt. Seas 5 ft. .SUN NIGHT...W wind 10 kt. Seas 2 ft. .MON...SW wind 10 kt. Seas 2 ft. .TUE...N wind 10 kt. Seas 2 ft. .WED...E wind 10 kt. Seas 2 ft. $$ PKZ740-191245- Cook Inlet North of Kalgin Island- 340 PM AKDT Fri Sep 18 2026 .TONIGHT...Variable wind less than 10 kt becoming S 10 kt after midnight. Seas 1 ft. .SAT...N wind 10 kt becoming NE 20 kt in the afternoon. Seas 2 ft building to 5 ft in the afternoon. Rain showers. .SAT NIGHT...NE wind 20 kt. Seas 5 ft. .SUN...N wind 10 kt. Seas 3 ft. .SUN NIGHT...Variable wind less than 10 kt. Seas 1 ft. .MON...SE wind 10 kt. Seas 2 ft. .TUE...N wind 10 kt. Seas 2 ft. .WED...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ741-191245- Kachemak Bay- 340 PM AKDT Fri Sep 18 2026 .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. .SAT...NE wind 10 kt. Seas 2 ft. Rain showers. .SAT NIGHT...Variable wind 10 kt except N 15 kt in the outer bay. Seas 2 ft. Rain. .SUN...N wind 15 kt. Seas 2 ft. .SUN NIGHT...Variable wind less than 10 kt. Seas 2 ft. .MON...Variable wind less than 10 kt. Seas 2 ft. .TUE...N wind 10 kt. Seas 2 ft. .WED...NE wind 10 kt. Seas 2 ft. $$