For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Friday
High: 43 °F
E 10kt
2ft
Friday Night
Low: 37 °F
E 10kt
3-5ft
Saturday
High: 46 °F
E 15kt
7-8ft

Small Craft Advisory
Saturday Night
Low: 41 °F
ESE 15kt
8-9ft
Sunday
High: 45 °F
ENE 10kt
8ft
Sunday Night
Low: 43 °F
ESE 10kt
6-7ft
Monday
High: 46 °F
ESE 10kt
5-6ft
Monday Night
Low: 41 °F
E 10kt
4-5ft
Tuesday
High: 46 °F
E 20kt
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:20 am AKDT Oct 30, 2026
Forecast Valid: 2am AKDT Oct 30, 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.

Friday

E wind 5 to 10 kt. Patchy fog before 10am. Seas around 2 ft.

Friday Night

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

Saturday

E wind around 15 kt. Rain. The rain could be heavy at times. Seas 7 to 8 ft.

Saturday Night

ESE wind 10 to 15 kt. Rain. The rain could be heavy at times. Seas 8 to 9 ft.

Sunday

ENE wind around 10 kt. Rain. Seas around 8 ft.

Sunday Night

ESE wind around 10 kt. Rain. Seas 6 to 7 ft.

Monday

ESE wind 5 to 10 kt. Rain. Seas 5 to 6 ft.

Monday Night

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

Tuesday

E wind 15 to 20 kt. Rain 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.