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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 54 °F
NE 20kt
5ft

Small Craft Advisory
Tonight
Low: 48 °F
NE 15kt⇓
3-4ft
Tuesday
High: 56 °F
Light Wind
3ft
Tuesday Night
Low: 48 °F
Light Wind
3ft
Wednesday
High: 55 °F
Light Wind
2ft
Wednesday Night
Low: 48 °F
Light Wind
3ft
Thursday
High: 56 °F
ENE 10kt
3-4ft
Thursday Night
Low: 49 °F
WNW 10kt
3ft
Friday
High: 55 °F
Light Wind
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:50 pm AKDT Jul 6, 2026
Forecast Valid: 5pm AKDT Jul 6, 2026-6pm AKDT Jul 13, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THIS EVENING...

Synopsis: The frontal system currently moving over the panhandle has begun to weaken, reducing wind speeds in both the inside and outside waters. A secondary wrap on Tuesday will increase winds again for the outside coast and southern panhandle. There is the possibility of thunderstorms for primarily the southern half of the panhandle Tuesday, which may have localized, gusty winds.

This Afternoon

NE wind around 20 kt. Showers. Seas around 5 ft.

Tonight

NE wind 10 to 15 kt becoming E 5 to 10 kt after midnight. Showers, mainly before 1am. Seas 3 to 4 ft.

Tuesday

Variable winds 5 kt or less. A slight chance of showers after 4pm. Seas around 3 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.

Wednesday

Variable winds 5 kt or less. A chance of showers after 10am. Seas around 2 ft.

Wednesday Night

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

Thursday

ENE wind around 10 kt. A chance of showers before 10am. Seas 3 to 4 ft.

Thursday Night

WNW wind 5 to 10 kt. A chance of showers. Seas around 3 ft.

Friday

Variable winds 5 kt or less. A chance of showers. Seas around 4 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.