Last Update: 315 PM AKST Tue Feb 17 2026

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Anchorage, AK Local Forecast Office

3NM S Chiswell Islands AK

Marine Zone Forecast


Synopsis: A 1013 mb low 275 nm SE of Chirikof Island Tue afternoon moves into the North Pacific. Weak low pressure forms 100 nm W of Middleton Island Wed morning and strengthens as it moves to 135 nm E of Middleton Island at 998 mb Thu afternoon.

Tonight
Variable wind 10 kt. Seas 4 ft.
Wed
S wind 15 kt. Seas 5 ft.
Wed Night
NW wind 20 kt. Seas 6 ft.
Thu
NW wind 30 kt. Seas 8 ft.
Thu Night
NW wind 40 kt. Seas 9 ft.
Fri
N wind 45 kt. Seas 10 ft.
Sat
N wind 20 kt. Seas 4 ft.
Sun
NW wind 15 kt. Seas 5 ft.



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315 PM AKST Tue Feb 17 2026
 
 

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