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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Thursday
High: 45 °F
W 15kt
5-7ft

Small Craft Advisory
Thursday Night
Low: 38 °F
NE 10kt
5ft
Friday
High: 42 °F
SE 10kt
5ft
Friday Night
Low: 37 °F
S 15kt
5ft
Saturday
High: 42 °F
SSW 20kt
6-8ft
Saturday Night
Low: 32 °F
ENE 20kt
8ft
Sunday
High: 37 °F
ENE 25kt
8-9ft
Sunday Night
Low: 25 °F
ENE 25kt
9-10ft
Monday
High: 30 °F
E 30kt
10-12ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:04 am AKST Dec 4, 2025
Forecast Valid: 3am AKST Dec 4, 2025-6pm AKST Dec 10, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THURSDAY MORNING...

Synopsis: The recent front continues to move over the panhandle through late tonight, with ridging forming behind the front. Another low pressure tracks through the southern Gulf and into Haida Gwaii late Thursday and Friday. General low pressure pattern in the Gulf expected this weekend.

Thursday

W wind 10 to 15 kt. A chance of rain, mainly between 9am and noon. Seas 5 to 7 ft.

Thursday Night

W wind around 10 kt becoming E after midnight. A chance of rain. Seas around 5 ft.

Friday

WNW wind 5 to 10 kt becoming SE in the afternoon. Rain, possibly mixed with snow, mainly after 9am. Seas around 5 ft.

Friday Night

ESE wind 10 to 15 kt becoming S after midnight. Rain before 3am, then rain and snow. Seas around 5 ft.

Saturday

SW wind 15 to 20 kt becoming S in the afternoon. Rain and snow. Seas 6 to 8 ft.

Saturday Night

SSE wind around 20 kt becoming ENE after midnight. Rain and snow. Seas around 8 ft.

Sunday

ENE wind 20 to 25 kt, with gusts as high as 35 kt. Rain and snow, becoming all snow after 3pm. Seas 8 to 9 ft.

Sunday Night

ENE wind around 25 kt, with gusts as high as 35 kt. Snow. Seas 9 to 10 ft.

Monday

E wind 25 to 30 kt, with gusts as high as 40 kt. Snow. Seas 10 to 12 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.