Last Update: 1122 PM AKDT Fri Sep 18 2026

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Anchorage, AK Local Forecast Office

7NM S Tyonek AK

Marine Zone Forecast


Synopsis: 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.

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.



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1122 PM AKDT Fri Sep 18 2026
 
 

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