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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Labor Day
High: 56 °F
Light Wind
3ft
Tonight
Low: 52 °F
S 10kt
4-5ft
Tuesday
High: 57 °F
SSW 15kt
5-6ft
Tuesday Night
Low: 50 °F
WSW 20kt
7-8ft
Wednesday
High: 56 °F
W 10kt
6ft
Wednesday Night
Low: 49 °F
Light Wind
5ft
Thursday
High: 58 °F
Light Wind
5ft
Thursday Night
Low: 49 °F
Light Wind
4ft
Friday
High: 59 °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: 6:44 am AKDT Sep 7, 2026
Forecast Valid: 12pm AKDT Sep 7, 2026-6pm AKDT Sep 13, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A front will move W to E across the northern gulf and Panhandle into Monday night, increasing southeasterlies for the gulf waters and northern half of the panhandle. A second, stronger system moves in Tuesday, bringing widespread fresh breezes to near gales.

Labor Day

Variable winds 5 kt or less. Rain. Seas around 3 ft.

Tonight

S wind 5 to 10 kt. Rain. Seas 4 to 5 ft.

Tuesday

SSW wind 10 to 15 kt. Rain. The rain could be heavy at times. Seas 5 to 6 ft.

Tuesday Night

WSW wind around 20 kt. Rain. The rain could be heavy at times. Seas 7 to 8 ft.

Wednesday

W wind 5 to 10 kt. Rain likely, mainly before 10am. Seas around 6 ft.

Wednesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 5 ft.

Thursday

Variable winds 5 kt or less. Partly sunny. Seas around 5 ft.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Seas around 4 ft.

Friday

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.