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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 46 °F
Light Wind
3ft
Tonight
Low: 41 °F
NE 10kt
3ft
Friday
High: 46 °F
ENE 15kt
3ft
Friday Night
Low: 42 °F
ENE 20kt
4-5ft
Saturday
High: 48 °F
E 15kt
6-7ft
Saturday Night
Low: 42 °F
E 20kt
9ft
Sunday
High: 46 °F
E 10kt
6-8ft
Sunday Night
Low: 42 °F
S 10kt
5-6ft
Monday
High: 47 °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: 2:51 pm AKDT May 7, 2026
Forecast Valid: 5pm AKDT May 7, 2026-6pm AKDT May 14, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A developing gale force low near forty four north and one forty eight west will continue to lift north Thursday evening, reaching fifty four north and one forty five west by early Saturday morning. This system will bring a gale force front along our coast through the day Friday, with more extensive gale force conditions impacting the eastern Gulf and coastal waters Saturday. Seas could reach as high as 15 feet to 18 feet.

This Afternoon

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

Tonight

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

Friday

ENE wind around 15 kt. Rain, mainly after 10am. Seas around 3 ft.

Friday Night

ENE wind 15 to 20 kt. Showers. Seas 4 to 5 ft.

Saturday

E wind around 15 kt. Showers. Seas 6 to 7 ft.

Saturday Night

E wind 15 to 20 kt. Rain. Seas around 9 ft.

Sunday

E wind around 10 kt. Showers. Seas 6 to 8 ft.

Sunday Night

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

Monday

Variable winds 5 kt or less. Showers likely. 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.