For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Today
High: 53 °F
ENE 10kt
2-3ft
Tonight
Low: 46 °F
ESE 10kt
2-3ft
Saturday
High: 52 °F
E 10kt
5ft
Saturday Night
Low: 47 °F
E 15kt
6ft
Sunday
High: 53 °F
E 15kt
7ft
Sunday Night
Low: 46 °F
E 15kt
6ft
Monday
High: 51 °F
E 10kt
6ft
Monday Night
Low: 45 °F
E 10kt
5ft
Tuesday
High: 51 °F
ESE 10kt
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:52 am AKDT Sep 25, 2026
Forecast Valid: 9am AKDT Sep 25, 2026-6pm AKDT Oct 1, 2026

View Nearby Observations

Detailed Forecast

Synopsis: As a low pressure system west of Baranof Island continues weakening, a front will approach from the west late Friday into early Saturday. This will begin a pattern with elevated winds and seas for the inner channels, with gale force winds expected with a barrier jet near Cape Suckling, late Friday into Saturday.

Today

ENE wind around 10 kt. A slight chance of showers after 1pm. Seas 2 to 3 ft.

Tonight

ESE wind 5 to 10 kt. A chance of showers, mainly before 1am. Seas 2 to 3 ft.

Saturday

E wind around 10 kt. Showers, mainly after 10am. Seas around 5 ft.

Saturday Night

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

Sunday

E wind 10 to 15 kt. Showers. The rain could be heavy at times. Seas around 7 ft.

Sunday Night

E wind 10 to 15 kt. Showers. The rain could be heavy at times. Seas around 6 ft.

Monday

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

Monday Night

E wind around 10 kt. Showers. Seas around 5 ft.

Tuesday

ESE wind 5 to 10 kt. Showers. Seas around 5 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.