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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 52 °F
Light Wind
3ft
Tonight
Low: 47 °F
Light Wind
3ft
Saturday
High: 52 °F
E 10kt
4ft
Saturday Night
Low: 48 °F
E 10kt
4ft
Sunday
High: 54 °F
E 10kt
4ft
Sunday Night
Low: 48 °F
E 10kt
4ft
Monday
High: 56 °F
ENE 10kt
3ft
Monday Night
Low: 48 °F
W 10kt
3ft
Tuesday
High: 54 °F
W 10kt
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:36 am AKDT Jun 5, 2026
Forecast Valid: 2pm AKDT Jun 5, 2026-6pm AKDT Jun 11, 2026

View Nearby Observations

Detailed Forecast

Synopsis: An area of low pressure currently tracking southeastward, passing south of Haida Gwaii, will cause a frontal rain band to pass over the southeastern Gulf of Alaska & central & southern Inner Channels from north to south through Friday evening. A flat ridge of high pressure will pass over the eastern Gulf for Friday night into Saturday morning. A frontal system approaches & pushes into the eastern Gulf for Saturday night through the rest of the weekend, bringing sustained winds of up to 25 to 30 kt for the southeastern Gulf, the Dixon Entrance, & into Clarence Strait.

This Afternoon

Variable winds 5 kt or less. Cloudy. Seas around 3 ft.

Tonight

Variable winds 5 kt or less. Cloudy. Seas around 3 ft.

Saturday

E wind 5 to 10 kt. A slight chance of showers before 1pm, then a slight chance of showers after 4pm. Seas around 4 ft.

Saturday Night

E wind 5 to 10 kt. A chance of showers after 7pm. Seas around 4 ft.

Sunday

E wind around 10 kt. A chance of showers. Seas around 4 ft.

Sunday Night

E wind around 10 kt. Mostly cloudy. Seas around 4 ft.

Monday

ENE wind around 10 kt. Partly sunny. Seas around 3 ft.

Monday Night

W wind 5 to 10 kt. Mostly cloudy. Seas around 3 ft.

Tuesday

W wind 5 to 10 kt. Mostly cloudy. Seas around 3 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.