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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 37 °F
WSW 25kt
12-14ft

Small Craft Advisory
Saturday
High: 40 °F
⇑SSW 25kt
10-12ft

Small Craft Advisory
Saturday Night
Low: 32 °F
W 40kt⇓
12-14ft
Sunday
High: 34 °F
WSW 20kt
9-10ft
Sunday Night
Low: 29 °F
E 10kt
9ft
Monday
High: 34 °F
E 15kt
8ft
Monday Night
Low: 29 °F
ENE 15kt
6-7ft
Tuesday
High: 34 °F
ENE 20kt
5-6ft
Tuesday Night
Low: 28 °F
E 20kt
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:23 pm AKST Mar 6, 2026
Forecast Valid: 10pm AKST Mar 6, 2026-6pm AKDT Mar 13, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

Synopsis: Saturday afternoon another low and strong cold front will quickly move east across the gulf bringing widespread gale force conditions to coastal zones near 3 pm. A narrow band of storm force conditions associated with the front will likely make landfall along the Chichagof Baranof coast. Winds quickly diminish by Sunday morning with onshore flow and heavy snow showers.

Tonight

WSW wind 20 to 25 kt, with gusts as high as 35 kt. Showers. Seas 12 to 14 ft.

Saturday

SSW wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Rain before 9am, then rain and snow. Seas 10 to 12 ft.

Saturday Night

W wind 30 to 40 kt decreasing to 20 to 30 kt after midnight. Winds could gust as high as 45 kt. Snow showers. Some thunder is also possible. Seas 12 to 14 ft.

Sunday

WSW wind 10 to 20 kt. Snow showers. Seas 9 to 10 ft.

Sunday Night

SSW wind around 10 kt becoming E after midnight. Snow showers. Seas around 9 ft.

Monday

E wind 10 to 15 kt. Snow showers likely. Seas around 8 ft.

Monday Night

ENE wind around 15 kt. Snow showers likely, mainly before 9pm. Seas 6 to 7 ft.

Tuesday

ENE wind 15 to 20 kt. Scattered snow showers. Seas 5 to 6 ft.

Tuesday Night

E wind 15 to 20 kt. Scattered snow showers. Seas around 5 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.