For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 38 °F
Light Wind
2ft
Friday
High: 43 °F
Light Wind
2ft
Friday Night
Low: 40 °F
E 10kt
3-5ft
Saturday
High: 44 °F
E 15kt
6-7ft
Saturday Night
Low: 40 °F
E 15kt
8-9ft
Sunday
High: 45 °F
ENE 15kt
9ft
Sunday Night
Low: 41 °F
E 10kt
7-8ft
Monday
High: 44 °F
E 10kt
6ft
Monday Night
Low: 41 °F
Light Wind
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:50 pm AKDT Oct 29, 2026
Forecast Valid: 7pm AKDT Oct 29, 2026-6pm AKST Nov 5, 2026

View Nearby Observations

Detailed Forecast

Synopsis: Benign conditions due to a ridge of high pressure will become more active as a low pressure system sends a front in from the west. The front will approach Southeast Alaska and increase winds and seas, with the strongest winds expected near Cape Suckling Friday afternoon into early Saturday. Saturday, seas are expected to deteriorate from west to east.

Tonight

Variable winds 5 kt or less. Partly cloudy. Seas around 2 ft.

Friday

Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

Friday Night

E wind 5 to 10 kt. Rain likely after 4am. Seas 3 to 5 ft.

Saturday

E wind around 15 kt. Rain. The rain could be heavy at times. Seas 6 to 7 ft.

Saturday Night

E wind around 15 kt. Rain. The rain could be heavy at times. Seas 8 to 9 ft.

Sunday

ENE wind around 15 kt. Rain. Seas around 9 ft.

Sunday Night

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

Monday

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

Monday Night

Variable winds 5 kt or less. Rain likely. Seas 4 to 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.