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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Thursday
High: 41 °F
E 10kt
4-5ft
Thursday Night
Low: 40 °F
E 10kt
4-5ft
Friday
High: 45 °F
⇑SSW 25kt
8ft
Friday Night
Low: 39 °F
SW 20kt
11ft
Saturday
High: 40 °F
SW 25kt
10-11ft
Saturday Night
Low: 38 °F
WSW 25kt
11ft
Sunday
High: 34 °F
WSW 20kt⇓
11ft
Sunday Night
Low: 33 °F
WSW 10kt
8ft
Monday
High: 33 °F
E 10kt
7-8ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:05 pm AKST Mar 4, 2026
Forecast Valid: 2am AKST Mar 5, 2026-6pm AKDT Mar 11, 2026

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Detailed Forecast

Synopsis: Winds remain out of the south and west for tonight before another front moves into the panhandle for Thursday. A stronger system approaches from the west on Friday bringing gales back to the Inner channels.

Thursday

E wind around 10 kt. Rain and snow showers, becoming all rain after noon. Seas 4 to 5 ft.

Thursday Night

E wind around 10 kt. Showers. Seas 4 to 5 ft.

Friday

ENE wind 10 to 15 kt becoming SSW 20 to 25 kt in the afternoon. Winds could gust as high as 30 kt. Rain. Seas 5 ft building to 8 ft.

Friday Night

SW wind around 20 kt. Rain. Seas 8 ft building to 11 ft.

Saturday

SW wind 20 to 25 kt, with gusts as high as 35 kt. Rain. Seas 10 to 11 ft.

Saturday Night

WSW wind 20 to 25 kt, with gusts as high as 30 kt. Rain before 9pm, then snow. Seas around 11 ft.

Sunday

WSW wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Snow. Seas 11 ft subsiding to 8 ft.

Sunday Night

WSW wind 5 to 10 kt becoming ESE after midnight. Snow. Seas around 8 ft.

Monday

E wind around 10 kt. Snow showers likely. Seas 7 to 8 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.