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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 56 °F
E 10kt
4ft
Tonight
Low: 50 °F
SSE 10kt
3ft
Monday
High: 56 °F
ESE 10kt
3ft
Monday Night
Low: 49 °F
Light Wind
3ft
Tuesday
High: 54 °F
WSW 15kt
3ft
Tuesday Night
Low: 50 °F
WSW 15kt
3-4ft
Wednesday
High: 55 °F
WSW 15kt
4-5ft
Wednesday Night
Low: 50 °F
SSW 10kt
4ft
Thursday
High: 53 °F
⇑E 25kt
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:37 am AKDT Jul 6, 2025
Forecast Valid: 2pm AKDT Jul 6, 2025-6pm AKDT Jul 12, 2025

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Detailed Forecast

Synopsis: Winds remain increased over the eastern Gulf & Inner Channels as a front continues to pass over the Inner Channels & an associated low center proceeds into the northern Gulf of Alaska. There is some potential for a few thunderstorms over the eastern Gulf periodically behind the front through Sunday night, then again over the southeastern Gulf for Monday night after a new low center tracks in from the south.

This Afternoon

E wind around 10 kt. Showers. Seas around 4 ft.

Tonight

SSE wind around 10 kt. Showers. Seas around 3 ft.

Monday

ESE wind around 10 kt becoming S in the afternoon. Showers, mainly before 10am. Seas around 3 ft.

Monday Night

Variable winds 5 kt or less. A chance of showers. Seas around 3 ft.

Tuesday

WSW wind around 15 kt. Showers likely, mainly before 1pm. Seas around 3 ft.

Tuesday Night

WSW wind 10 to 15 kt. A chance of showers. Seas 3 to 4 ft.

Wednesday

WSW wind 10 to 15 kt. A chance of rain before 4pm. Seas 4 to 5 ft.

Wednesday Night

SSW wind around 10 kt. A chance of rain. Seas around 4 ft.

Thursday

E wind 10 to 15 kt increasing to 20 to 25 kt in the morning. Rain. Seas 4 to 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.