For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Thursday
High: 46 °F
E 10kt
7ft

Small Craft Advisory
Thursday Night
Low: 42 °F
NE 15kt
7ft
Friday
High: 44 °F
E 15kt
3-4ft
Friday Night
Low: 41 °F
ESE 15kt
3ft
Saturday
High: 44 °F
E 15kt
2-3ft
Saturday Night
Low: 41 °F
ENE 10kt
2ft
Sunday
High: 43 °F
E 10kt
2ft
Sunday Night
Low: 41 °F
ESE 10kt
2ft
Monday
High: 42 °F
E 10kt
6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:05 pm AKST Feb 4, 2026
Forecast Valid: 1am AKST Feb 5, 2026-6pm AKST Feb 11, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

Synopsis: Winds start to diminish Wednesday night through the inner channels bringing periods of fog Thursday. Another front will move through the region Friday, increasing southeast winds to near gale force in Clarence Strait.

Thursday

E wind 5 to 10 kt. A chance of rain. Seas around 7 ft.

Thursday Night

E wind 5 to 15 kt becoming NE after midnight. A chance of rain between 9pm and 3am. Seas around 7 ft.

Friday

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

Friday Night

ESE wind around 15 kt. Rain. Seas around 3 ft.

Saturday

E wind 10 to 15 kt. Rain. Seas 2 to 3 ft.

Saturday Night

ENE wind around 10 kt. Rain. Seas around 2 ft.

Sunday

E wind around 10 kt becoming SE in the afternoon. Rain. Seas around 2 ft.

Sunday Night

ESE wind around 10 kt. Rain. Seas around 2 ft.

Monday

E wind around 10 kt. Rain. Seas 2 ft building to 6 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.