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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 44 °F
S 15kt
8-9ft

Small Craft Advisory
Tonight
Low: 43 °F
SE 15kt
8-9ft

Small Craft Advisory
Thursday
High: 46 °F
ESE 15kt
7-8ft
Thursday Night
Low: 41 °F
ESE 15kt
7ft
Friday
High: 43 °F
E 15kt
6-7ft
Friday Night
Low: 41 °F
ESE 15kt
5-6ft
Saturday
High: 44 °F
E 15kt
5ft
Saturday Night
Low: 41 °F
ENE 10kt
5ft
Sunday
High: 43 °F
E 10kt
5-6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:13 am AKST Feb 4, 2026
Forecast Valid: 2pm AKST Feb 4, 2026-6pm AKST Feb 10, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THURSDAY AFTERNOON...

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.

This Afternoon

ENE wind around 15 kt becoming S. Rain. Seas 8 to 9 ft.

Tonight

SE wind around 15 kt. Rain likely, mainly before 9pm. Seas 8 to 9 ft.

Thursday

ESE wind around 15 kt. Rain. Seas 7 to 8 ft.

Thursday Night

ESE wind around 15 kt. Rain. Seas around 7 ft.

Friday

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

Friday Night

ESE wind around 15 kt. Rain. Seas 5 to 6 ft.

Saturday

E wind 10 to 15 kt. Rain. Seas around 5 ft.

Saturday Night

ENE wind around 10 kt. Rain. Seas around 5 ft.

Sunday

E wind around 10 kt becoming SE in the afternoon. Rain. Seas 5 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.