Last Update: 334 AM AKDT Fri Sep 18 2026

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Juneau, AK Local Forecast Office

66NM SSW Cape Spencer AK

Marine Zone Forecast


Synopsis: Southerly to easterly winds will strengthen as the low lifts north into the Gulf on Friday. Strong to gale breezes and 8 to 14 ft seas for the Gulf and outer coastal waters on Friday as the low lifts north through the Gulf, along with fresh to strong S to SE-ly in the inner channels. Elevated marine conditions continue into Saturday night and Sunday as another large low lifts into the Gulf increasing to Gale force around the low.

Today
S wind 25 kt. Seas 5 ft building to 10 ft. Showers.
Tonight
S wind 25 kt becoming SW 15 kt late. Seas 11 ft. Patchy fog in the evening.
Sat
SE wind 15 kt. Gusts to 35 kt in the afternoon. Seas 7 ft. Widespread dense fog in the morning. Showers in the afternoon.
Sat Night
S gale to 35 kt. Seas 18 ft. Showers and slight chance of thunderstorms.
Sun
S gale to 35 kt. Seas 19 ft.
Mon
SW wind 20 kt. Seas 11 ft.
Tue
SE wind 30 kt. Seas 8 ft.



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334 AM AKDT Fri Sep 18 2026
 
 

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