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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 42 °F
ESE 15kt
4-5ft
Tuesday
High: 46 °F
ENE 20kt
5-7ft

Small Craft Advisory
Tuesday Night
Low: 43 °F
ESE 20kt
7-9ft
Wednesday
High: 47 °F
E 10kt
6-7ft
Wednesday Night
Low: 43 °F
E 15kt
6-8ft
Thursday
High: 46 °F
⇑ENE 25kt
11ft
Thursday Night
Low: 42 °F
ENE 25kt
11-13ft
Friday
High: 47 °F
ESE 20kt
13ft
Friday Night
Low: 41 °F
E 20kt
9-10ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:12 pm AKST Nov 2, 2026
Forecast Valid: 8pm AKST Nov 2, 2026-6pm AKST Nov 9, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TUESDAY...

Synopsis: A low bringing elevated winds and seas to Clarence Strait and northerly winds to norther inner channels will move east Monday evening. Late tonight into early Tuesday, a gale force front will approach the area, and is expected to bring gale force winds to the Gulf, and storm force gusts from Icy Cape to Cape Suckling.

Tonight

ESE wind 10 to 15 kt. A chance of showers. Seas 4 to 5 ft.

Tuesday

ENE wind 15 to 20 kt. Rain, mainly after noon. Seas 5 to 7 ft.

Tuesday Night

ESE wind 10 to 20 kt. Rain, mainly before 3am. Seas 7 to 9 ft.

Wednesday

E wind around 10 kt. Rain, mainly after 9am. Seas 6 to 7 ft.

Wednesday Night

E wind 10 to 15 kt. Rain. Seas 6 to 8 ft.

Thursday

ENE wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Rain. Seas 8 ft building to 11 ft.

Thursday Night

ENE wind 20 to 25 kt becoming ESE after midnight. Winds could gust as high as 35 kt. Rain. Seas 11 to 13 ft.

Friday

ESE wind around 20 kt becoming S in the afternoon. Winds could gust as high as 35 kt. Rain. Seas 13 ft subsiding to 10 ft.

Friday Night

S wind around 20 kt becoming E after midnight. Winds could gust as high as 30 kt. Showers. Seas 9 to 10 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.