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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Overnight
Low: 49 °F
S 15kt
6ft
Monday
High: 52 °F
SSW 15kt
5-6ft
Monday Night
Low: 49 °F
S 10kt
6ft
Tuesday
High: 51 °F
E 10kt
6ft
Tuesday Night
Low: 47 °F
ESE 10kt
6ft
Wednesday
High: 51 °F
SSE 10kt
5ft
Wednesday Night
Low: 45 °F
Light Wind
4ft
Thursday
High: 50 °F
Light Wind
3ft
Thursday Night
Low: 45 °F
Light Wind
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:09 pm AKDT Oct 4, 2026
Forecast Valid: 11pm AKDT Oct 4, 2026-6pm AKDT Oct 11, 2026

View Nearby Observations

Detailed Forecast

Synopsis: Winds expected to increase briefly Sunday night as a secondary shortwave moves through. Monday brings more rain and strong, gusty winds with another shortwave before winds settle to a gentle breeze Tuesday.

Overnight

S wind around 15 kt. Showers, mainly before 1am. Seas around 6 ft.

Monday

SSW wind 5 to 15 kt. Showers. Seas 5 to 6 ft.

Monday Night

S wind around 10 kt. Showers. Seas around 6 ft.

Tuesday

E wind around 10 kt. Showers. Seas around 6 ft.

Tuesday Night

ESE wind around 10 kt. Showers. Seas around 6 ft.

Wednesday

SSE wind 5 to 10 kt. Rain. Seas around 5 ft.

Wednesday Night

Variable winds 5 kt or less. Rain likely, mainly before 10pm. Seas around 4 ft.

Thursday

Variable winds 5 kt or less. A chance of rain. Seas around 3 ft.

Thursday Night

Variable winds 5 kt or less. A chance of rain. Seas around 2 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.