Last Update: 407 AM AKDT Thu Jun 4 2026

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Anchorage, AK Local Forecast Office

36NM SSE Chiswell Islands AK

Marine Zone Forecast


Synopsis: A 1008 mb low develops 65 nm SW of Middleton Island Thu evening then moves to 70 nm SE of Middleton Island at 1004 mb Sat morning.

Today
SW wind 15 kt. Seas 6 ft.
Tonight
SW wind 20 kt becoming N 15 kt after midnight. Seas 7 ft.
Fri
E wind 15 kt. Seas 5 ft.
Fri Night
Variable wind 10 kt. Seas 3 ft.
Sat
E wind 20 kt. Seas 5 ft.
Sun
NE wind 15 kt. Seas 4 ft.
Mon
W wind 15 kt. Seas 3 ft.



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407 AM AKDT Thu Jun 4 2026
 
 

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