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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Today
High: 46 °F
ENE 15kt
3ft
Tonight
Low: 42 °F
ENE 25kt
4-5ft

Small Craft Advisory
Saturday
High: 48 °F
E 15kt
6-7ft
Saturday Night
Low: 42 °F
E 20kt
9ft
Sunday
High: 46 °F
E 10kt
6-8ft
Sunday Night
Low: 42 °F
S 10kt
5-6ft
Monday
High: 47 °F
Light Wind
4ft
Monday Night
Low: 42 °F
Light Wind
3ft
Tuesday
High: 48 °F
ENE 10kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:42 am AKDT May 8, 2026
Forecast Valid: 7am AKDT May 8, 2026-6pm AKDT May 14, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THIS EVENING THROUGH LATE TONIGHT...

Synopsis: A developing gale force low will continue to lift north into the Gulf, reaching fifty four north and one forty five west by early Saturday morning. This system will bring a gale force front along our coast through the day Friday, with more extensive gale force conditions impacting the eastern Gulf and coastal waters Saturday. Seas could reach as high as 15 feet to 18 feet in outer coastal waters and the Gulf.

Today

ENE wind around 15 kt. Rain, mainly after 10am. Seas around 3 ft.

Tonight

ENE wind 20 to 25 kt, with gusts as high as 30 kt. Showers. Seas 4 to 5 ft.

Saturday

E wind around 15 kt. Showers. Seas 6 to 7 ft.

Saturday Night

E wind 15 to 20 kt. Rain. Seas around 9 ft.

Sunday

E wind around 10 kt. Showers. Seas 6 to 8 ft.

Sunday Night

S wind around 10 kt. Showers. Seas 5 to 6 ft.

Monday

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

Monday Night

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

Tuesday

ENE wind around 10 kt. Showers likely. Seas around 2 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.