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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 46 °F
ENE 30kt
9-10ft

Small Craft Advisory
Tonight
Low: 42 °F
ENE 30kt
8-10ft

Small Craft Advisory
Friday
High: 48 °F
SE 35kt⇓
15ft

Gale Warning
Friday Night
Low: 42 °F
S 20kt
14ft
Saturday
High: 45 °F
NE 15kt
8-9ft
Saturday Night
Low: 38 °F
NE 15kt
6-7ft
Sunday
High: 43 °F
E 15kt
5-6ft
Sunday Night
Low: 38 °F
E 20kt
5-7ft
Monday
High: 43 °F
ENE 20kt
7-9ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:48 am AKST Nov 5, 2026
Forecast Valid: 2pm AKST Nov 5, 2026-6pm AKST Nov 11, 2026

View Nearby Observations

Detailed Forecast

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.

This Afternoon

ENE wind around 30 kt, with gusts as high as 35 kt. Rain. Seas 9 to 10 ft.

Tonight

ENE wind 25 to 30 kt becoming ESE after midnight. Winds could gust as high as 40 kt. Rain. Seas 8 to 10 ft.

Friday

SE wind 30 to 35 kt becoming SSW 20 to 25 kt in the afternoon. Winds could gust as high as 45 kt. Rain. Seas 12 ft building to 15 ft.

Friday Night

S wind 15 to 20 kt. Rain. Seas 14 ft subsiding to 11 ft.

Saturday

SE wind 10 to 15 kt becoming NE in the afternoon. Rain likely, mainly before 9am. Seas 8 to 9 ft.

Saturday Night

NE wind 10 to 15 kt. Rain likely, mainly before 3am. Seas 6 to 7 ft.

Sunday

E wind around 15 kt. Rain likely, mainly after 9am. Seas 5 to 6 ft.

Sunday Night

E wind 15 to 20 kt. Rain. Seas 5 to 7 ft.

Monday

ENE wind around 20 kt, with gusts as high as 35 kt. Rain. Seas 7 to 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.