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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 30 °F
W 50kt⇓
23ft

Storm Warning
Sunday
High: 33 °F
W 20kt⇓
9-11ft

Small Craft Advisory
Sunday Night
Low: 29 °F
NE 15kt
9ft
Monday
High: 32 °F
E 15kt
8ft
Monday Night
Low: 27 °F
ENE 20kt
6-7ft
Tuesday
High: 32 °F
ENE 20kt
5-6ft
Tuesday Night
Low: 28 °F
E 25kt
5ft
Wednesday
High: 31 °F
NE 25kt
5ft
Wednesday Night
Low: 24 °F
NE 25kt
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:47 pm AKST Mar 7, 2026
Forecast Valid: 6pm AKST Mar 7, 2026-6pm AKDT Mar 14, 2026

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Detailed Forecast

...STORM WARNING THROUGH THIS EVENING...

Synopsis: A storm force low off the northeast gulf coast has sent a strong cold front into the outer coast of the panhandle Saturday afternoon, bringing widespread gale force conditions through the coastal waters and into the inner channels. A narrow band of storm force conditions along the southern edge of the low center will likely make landfall along the Chichagof coast, with strongest winds funneling into Cross Sound. Winds quickly diminish by Sunday morning with onshore flow and heavy snow showers.

Tonight

W wind 40 to 50 kt decreasing to 25 to 35 kt after midnight. Winds could gust as high as 60 kt. Snow showers. Some thunder is also possible. Seas 23 ft subsiding to 12 ft.

Sunday

W wind 15 to 20 kt becoming SSE 10 to 15 kt in the afternoon. Winds could gust as high as 35 kt. Snow showers. Some thunder is also possible. Seas 9 to 11 ft.

Sunday Night

ESE wind 10 to 15 kt becoming NE after midnight. Snow showers. Some thunder is also possible. Seas around 9 ft.

Monday

E wind 10 to 15 kt. Snow likely, mainly before 9am. Seas around 8 ft.

Monday Night

ENE wind 15 to 20 kt. A chance of snow before 3am. Seas 6 to 7 ft.

Tuesday

ENE wind around 20 kt. A chance of snow after 3pm. Seas 5 to 6 ft.

Tuesday Night

E wind 20 to 25 kt, with gusts as high as 30 kt. A chance of snow. Seas around 5 ft.

Wednesday

NE wind around 25 kt, with gusts as high as 35 kt. A chance of snow. Seas around 5 ft.

Wednesday Night

NE wind around 25 kt, with gusts as high as 30 kt. Widespread freezing spray after midnight. Partly cloudy. Seas around 5 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.