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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 46 °F
E 35kt
14ft

Gale Warning
Tonight
Low: 42 °F
E 25kt
15ft

Small Craft Advisory
Tuesday
High: 46 °F
ENE 25kt
9-10ft

Small Craft Advisory
Tuesday Night
Low: 42 °F
ENE 20kt
7-9ft
Veterans Day
High: 47 °F
SE 20kt
6-7ft
Wednesday Night
Low: 40 °F
SSE 15kt
6-7ft
Thursday
High: 43 °F
E 10kt
6ft
Thursday Night
Low: 39 °F
ENE 20kt
6-7ft
Friday
High: 42 °F
ENE 20kt
11ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:55 am AKST Nov 9, 2026
Forecast Valid: 12pm AKST Nov 9, 2026-6pm AKST Nov 15, 2026

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Detailed Forecast

Synopsis: A storm force low continues to move into the central Gulf of Alaska on Monday, bringing strong gales to storm force winds and seas above 30 feet. This low will move into the western gulf later Monday, with another strong low moving into the southern gulf Tuesday.

This Afternoon

E wind 30 to 35 kt, with gusts as high as 50 kt. Rain. Seas around 14 ft.

Tonight

E wind 15 to 25 kt, with gusts as high as 35 kt. Rain, mainly before 3am. Seas 15 ft subsiding to 11 ft.

Tuesday

ENE wind around 25 kt, with gusts as high as 35 kt. Rain, mainly after 9am. Seas 9 to 10 ft.

Tuesday Night

ENE wind around 20 kt. Rain. Seas 7 to 9 ft.

Veterans Day

ENE wind 15 to 20 kt becoming SSE in the afternoon. Rain. Seas 6 to 7 ft.

Wednesday Night

SSE wind 5 to 15 kt becoming E after midnight. Rain. Seas 6 to 7 ft.

Thursday

E wind around 10 kt. Rain, mainly before 3pm. Seas around 6 ft.

Thursday Night

ENE wind 10 to 20 kt. A chance of rain. Seas 6 to 7 ft.

Friday

ENE wind around 20 kt. A chance of rain. Seas 7 ft building to 11 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.