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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Today
High: 55 °F
Light Wind
4ft
Tonight
Low: 50 °F
Light Wind
3-4ft
Labor Day
High: 54 °F
Light Wind
3ft
Monday Night
Low: 53 °F
S 10kt
4ft
Tuesday
High: 56 °F
S 20kt
5ft
Tuesday Night
Low: 50 °F
WSW 25kt
6ft
Wednesday
High: 56 °F
W 15kt
6ft
Wednesday Night
Low: 49 °F
W 10kt
5ft
Thursday
High: 57 °F
Light Wind
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:34 am AKDT Sep 6, 2026
Forecast Valid: 6am AKDT Sep 6, 2026-6pm AKDT Sep 12, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A ridge of high pressure remains over the eastern gulf through Sunday night bringing W to NW winds. A weak front moves into the eastern gulf and panhandle from the west Sunday night into Monday. A second stronger front moves across the gulf from the W on Tuesday.

Today

Variable winds 5 kt or less. Patchy fog before 1pm. Seas around 4 ft.

Tonight

Variable winds 5 kt or less. A chance of rain, mainly after 4am. Seas 3 to 4 ft.

Labor Day

Variable winds 5 kt or less. Rain, mainly after 7am. Seas around 3 ft.

Monday Night

SE wind 5 to 10 kt becoming S after midnight. Rain. Seas around 4 ft.

Tuesday

S wind 10 to 20 kt. Rain. The rain could be heavy at times. Seas around 5 ft.

Tuesday Night

WSW wind 20 to 25 kt, with gusts as high as 35 kt. Rain. The rain could be heavy at times. Seas around 6 ft.

Wednesday

W wind 10 to 15 kt. Rain, mainly before 10am. Seas around 6 ft.

Wednesday Night

W wind 5 to 10 kt. A chance of rain. Seas around 5 ft.

Thursday

Variable winds 5 kt or less. Mostly sunny. Seas around 4 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.