For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 50 °F
Light Wind
5ft
Tonight
Low: 45 °F
Light Wind
4ft
Thursday
High: 49 °F
Light Wind
3ft
Thursday Night
Low: 45 °F
Light Wind
3ft
Friday
High: 50 °F
N 10kt
3ft
Friday Night
Low: 44 °F
NNE 10kt
3ft
Saturday
High: 48 °F
NNW 10kt
3ft
Saturday Night
Low: 44 °F
Light Wind
3ft
Sunday
High: 48 °F
E 10kt
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:37 pm AKDT Oct 7, 2026
Forecast Valid: 2pm AKDT Oct 7, 2026-6pm AKDT Oct 13, 2026

View Nearby Observations

Detailed Forecast

Synopsis: Gusty southerly winds slowly diminish through the day Wednesday. Expect a brief break in winds late Wednesday into Thursday morning before northerly winds build across the coasts and inner channels into Friday.

This Afternoon

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

Tonight

Variable winds 5 kt or less. Showers likely, mainly after 4am. Seas around 4 ft.

Thursday

Variable winds 5 kt or less. Showers likely, mainly before 7am. Seas around 3 ft.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Seas around 3 ft.

Friday

N wind 5 to 10 kt. Sunny. Seas around 3 ft.

Friday Night

NNE wind around 10 kt. Mostly clear. Seas around 3 ft.

Saturday

NNW wind 5 to 10 kt. Sunny. Seas around 3 ft.

Saturday Night

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

Sunday

E wind 5 to 10 kt. Rain likely. Seas 4 to 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.