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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 45 °F
WSW 10kt
7ft

Small Craft Advisory
Tonight
Low: 42 °F
WSW 20kt
6-7ft

Small Craft Advisory
Thursday
High: 45 °F
W 15kt
5-7ft
Thursday Night
Low: 37 °F
ENE 10kt
5ft
Friday
High: 41 °F
NNE 15kt
5-6ft
Friday Night
Low: 39 °F
SSW 15kt
6ft
Saturday
High: 42 °F
SSE 20kt
7-9ft
Saturday Night
Low: 35 °F
E 25kt
8-9ft
Sunday
High: 40 °F
E 25kt
9-11ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:41 am AKST Dec 3, 2025
Forecast Valid: 12pm AKST Dec 3, 2025-6pm AKST Dec 9, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT...

Synopsis: A front moving across the panhandle is bringing fresh to strong breezes this morning. Ridging forms over today behind the front, bringing weaker onshore flow. Another low expected to move through the central Gulf Thursday and Friday, with a gale force low center lingering near Kenai Peninsula through the weekend. General outflow pattern out of N channels this weekend.

This Afternoon

WSW wind around 10 kt. Rain. Seas around 7 ft.

Tonight

WSW wind 10 to 20 kt. Rain likely, mainly before 9pm. Seas 6 to 7 ft.

Thursday

W wind 10 to 15 kt. A chance of rain. Seas 5 to 7 ft.

Thursday Night

SSE wind around 10 kt becoming NE after midnight. Rain likely, mainly before midnight. Seas around 5 ft.

Friday

NNE wind 10 to 15 kt. Rain, mainly after 3pm. Seas 5 to 6 ft.

Friday Night

SE wind around 15 kt becoming SSW after midnight. Rain. Seas around 6 ft.

Saturday

SSW wind 15 to 20 kt becoming SSE in the afternoon. Rain. Seas 7 to 9 ft.

Saturday Night

SSE wind 20 to 25 kt becoming E in the evening. Winds could gust as high as 30 kt. Rain before 3am, then rain and snow. Seas 8 to 9 ft.

Sunday

E wind around 25 kt becoming SSE in the morning. Winds could gust as high as 30 kt. Rain and snow. Seas 9 to 11 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.