For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Today
High: 56 °F
Light Wind
4-5ft
Tonight
Low: 50 °F
Light Wind
4ft
Monday
High: 55 °F
SSW 15kt
4-5ft
Monday Night
Low: 48 °F
S 10kt
5-7ft

Small Craft Advisory
Tuesday
High: 57 °F
NE 15kt
5-7ft

Small Craft Advisory
Tuesday Night
Low: 49 °F
Light Wind
3-4ft
Wednesday
High: 56 °F
Light Wind
3ft
Wednesday Night
Low: 50 °F
Light Wind
3ft
Thursday
High: 58 °F
Light Wind
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:53 am AKDT Aug 30, 2026
Forecast Valid: 7am AKDT Aug 30, 2026-6pm AKDT Sep 5, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A weak low over the eastern gulf will move SE to just off Baranof Island by Sunday while the associated front exits the panhandle. A new low and front will move into the panhandle on Monday from the NW.

Today

Variable winds 5 kt or less. A chance of showers, mainly before 10am. Seas 4 to 5 ft.

Tonight

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

Monday

SSW wind 10 to 15 kt. Rain, mainly before 1pm. Seas 4 to 5 ft.

Monday Night

S wind 5 to 10 kt becoming ESE after midnight. Showers, mainly after 7pm. Seas 5 to 7 ft.

Tuesday

NE wind 10 to 15 kt. Rain, mainly before 10am. Seas 5 to 7 ft.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 3 to 4 ft.

Wednesday

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

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

Thursday

Variable winds 5 kt or less. Mostly sunny. Seas around 3 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.