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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Thursday
High: 45 °F
WSW 10kt
3-5ft
Thursday Night
Low: 40 °F
NE 10kt
3ft
Friday
High: 47 °F
ENE 10kt
3ft
Friday Night
Low: 40 °F
ENE 15kt
3-4ft
Saturday
High: 48 °F
E 15kt
6ft
Saturday Night
Low: 42 °F
E 10kt
7-8ft
Sunday
High: 46 °F
E 10kt
7-8ft
Sunday Night
Low: 42 °F
S 10kt
5-6ft
Monday
High: 46 °F
S 10kt
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:59 pm AKDT May 6, 2026
Forecast Valid: 3am AKDT May 7, 2026-6pm AKDT May 13, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A ridge of high pressure briefly rebuilds over the panhandle through Thursday, even as a weak front lingers over the NE Gulf Coast. The ridge moves east as a stronger and more organized low moves up from the south and into the Gulf on Friday, bringing widespread increased winds and waves through the weekend.

Thursday

WSW wind 5 to 10 kt becoming S in the morning. A chance of rain, mainly before 7am. Seas 3 to 5 ft.

Thursday Night

N wind 5 to 10 kt becoming NE after midnight. Cloudy. Seas around 3 ft.

Friday

ENE wind around 10 kt. Rain likely, mainly after 1pm. Seas around 3 ft.

Friday Night

ENE wind around 15 kt. Rain. Seas 3 to 4 ft.

Saturday

E wind 10 to 15 kt. Showers. Seas around 6 ft.

Saturday Night

E wind around 10 kt. Showers. Seas 7 to 8 ft.

Sunday

E wind around 10 kt. Showers. Seas 7 to 8 ft.

Sunday Night

S wind around 10 kt. Showers. Seas 5 to 6 ft.

Monday

S wind around 10 kt. Showers. 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.