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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 42 °F
ESE 10kt
5ft
Tonight
Low: 40 °F
WSW 15kt
5ft
Tuesday
High: 42 °F
SSW 20kt
6ft
Tuesday Night
Low: 39 °F
S 25kt
10ft
Wednesday
High: 43 °F
SW 20kt
7-9ft
Wednesday Night
Low: 37 °F
E 25kt
7-9ft
Thursday
High: 40 °F
E 25kt
12ft
Thursday Night
Low: 37 °F
WSW 25kt⇓
12ft
Friday
High: 41 °F
WSW 10kt
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: 4:34 pm AKST Feb 9, 2026
Forecast Valid: 5pm AKST Feb 9, 2026-6pm AKST Feb 16, 2026

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Detailed Forecast

Synopsis: Winds increase to near gale force along our coast and inner channels Tuesday into Wednesday. A stronger system moves into the region Wednesday night, bringing gale force winds and near 35 ft seas to our coast west of Prince of Wales.

This Afternoon

ESE wind around 10 kt. A chance of showers. Seas around 5 ft.

Tonight

SSW wind 10 to 15 kt becoming WSW after midnight. Showers. Seas around 5 ft.

Tuesday

W wind around 20 kt becoming SSW in the afternoon. Showers. Seas around 6 ft.

Tuesday Night

S wind 20 to 25 kt, with gusts as high as 35 kt. Rain. Seas 7 ft building to 10 ft.

Wednesday

SW wind 15 to 20 kt, with gusts as high as 30 kt. Rain likely, mainly after 9am. Seas 7 to 9 ft.

Wednesday Night

WSW wind 15 to 25 kt becoming E in the evening. Winds could gust as high as 30 kt. Rain. Seas 7 to 9 ft.

Thursday

E wind around 25 kt becoming W in the afternoon. Winds could gust as high as 30 kt. Rain. Seas 9 ft building to 12 ft.

Thursday Night

WSW wind 20 to 25 kt decreasing to 10 to 15 kt after midnight. Rain. Seas 12 ft subsiding to 9 ft.

Friday

WSW wind 5 to 10 kt becoming NNE in the afternoon. 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.