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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 42 °F
ENE 25kt
8-10ft

Small Craft Advisory
Friday
High: 47 °F
E 30kt
14ft

Gale Warning
Friday Night
Low: 42 °F
S 25kt
10-11ft

Small Craft Advisory
Saturday
High: 44 °F
ENE 15kt
7-9ft
Saturday Night
Low: 39 °F
NE 15kt
5-7ft
Sunday
High: 43 °F
E 15kt
5ft
Sunday Night
Low: 38 °F
E 20kt
8ft
Monday
High: 43 °F
ENE 20kt
8-9ft
Monday Night
Low: 40 °F
E 20kt
9ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:21 pm AKST Nov 5, 2026
Forecast Valid: 8pm AKST Nov 5, 2026-6pm AKST Nov 12, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING THROUGH FRIDAY...

Synopsis: A storm force low will move into the northern gulf this evening and weaken to gale force before moving towards Cook Inlet. A brief break in the weather is expected late Friday into Saturday morning before the next storm force low moves into Hecate Strait and Dixon Entrance during the day on Saturday.

Tonight

ENE wind around 25 kt, with gusts as high as 40 kt. Rain. Seas 8 to 10 ft.

Friday

E wind 20 to 30 kt becoming SW in the afternoon. Winds could gust as high as 40 kt. Rain, mainly before 3pm. Seas 14 ft subsiding to 11 ft.

Friday Night

SSW wind 15 to 25 kt becoming WSW after midnight. Winds could gust as high as 30 kt. Rain, mainly after midnight. Seas 10 to 11 ft.

Saturday

ENE wind 10 to 15 kt. Rain, mainly before 9am. Seas 7 to 9 ft.

Saturday Night

NE wind around 15 kt. A chance of rain after 9pm. Seas 5 to 7 ft.

Sunday

E wind around 15 kt. Rain likely, mainly after 9am. Seas around 5 ft.

Sunday Night

E wind 15 to 20 kt. Rain. Seas 5 ft building to 8 ft.

Monday

ENE wind around 20 kt, with gusts as high as 35 kt. Rain. Seas 8 to 9 ft.

Monday Night

E wind around 20 kt, with gusts as high as 35 kt. Rain. Seas around 9 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.