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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Saturday
High: 50 °F
ENE 15kt
3-5ft
Saturday Night
Low: 47 °F
ENE 25kt
7-9ft
Sunday
High: 52 °F
ENE 10kt
5-7ft
Sunday Night
Low: 46 °F
S 10kt
5ft
Monday
High: 51 °F
SW 10kt
5ft
Monday Night
Low: 48 °F
⇑E 10kt
5ft
Tuesday
High: 50 °F
E 10kt
5-6ft
Tuesday Night
Low: 47 °F
E 10kt
5-6ft
Wednesday
High: 49 °F
SSE 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: 8:33 pm AKDT Oct 2, 2026
Forecast Valid: 2am AKDT Oct 3, 2026-6pm AKDT Oct 9, 2026

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Detailed Forecast

Synopsis: A developing low will move into the Gulf Saturday bringing gale force, to strong gale force, winds to much of our coastal waters. Fresh seas will build Saturday into Sunday to 15 ft, with areas along the Fairweather Grounds to Cape St. Elias seeing near 20 ft.

Saturday

ENE wind 10 to 15 kt. Rain. Seas 3 to 5 ft.

Saturday Night

ENE wind 20 to 25 kt, with gusts as high as 35 kt. Rain. The rain could be heavy at times. Seas 7 to 9 ft.

Sunday

ENE wind around 10 kt becoming S in the afternoon. Rain. The rain could be heavy at times. Seas 5 to 7 ft.

Sunday Night

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

Monday

S wind 5 to 10 kt becoming SW in the morning. Rain. Seas around 5 ft.

Monday Night

Variable winds less than 5 kt becoming E 5 to 10 kt in the evening. Rain. Seas around 5 ft.

Tuesday

E wind around 10 kt. Rain. Seas 5 to 6 ft.

Tuesday Night

E wind around 10 kt. Rain. Seas 5 to 6 ft.

Wednesday

SSE wind around 10 kt. Rain. 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.