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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 48 °F
E 15kt
9ft

Small Craft Advisory
Tonight
Low: 42 °F
ESE 15kt
9-10ft

Small Craft Advisory
Sunday
High: 46 °F
S 15kt
6-7ft

Small Craft Advisory
Sunday Night
Low: 40 °F
SSW 15kt
5ft
Monday
High: 47 °F
Light Wind
3-4ft
Monday Night
Low: 42 °F
Light Wind
2-3ft
Tuesday
High: 49 °F
ENE 10kt
3ft
Tuesday Night
Low: 43 °F
Light Wind
2-3ft
Wednesday
High: 48 °F
ENE 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: 1:57 pm AKDT May 9, 2026
Forecast Valid: 4pm AKDT May 9, 2026-6pm AKDT May 15, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SUNDAY MORNING...

Synopsis: A gale force low will continue to lift north through the Gulf, with strong to gale force winds and large seas over the eastern Gulf and coastal waters. Seas could reach as high as 16 to 19 feet in outer coastal waters and the Gulf. Fresh to strong winds continue for the inner channels as well. Winds and seas will subside beginning late Saturday night and through Sunday.

This Afternoon

E wind around 15 kt. Showers likely. Seas around 9 ft.

Tonight

ESE wind around 15 kt. Rain. Seas 9 to 10 ft.

Sunday

S wind 10 to 15 kt. Rain. Seas 6 to 7 ft.

Sunday Night

SSW wind 10 to 15 kt. Rain likely, mainly before 7pm. Seas around 5 ft.

Monday

Variable winds 5 kt or less. A chance of rain before 10am. Seas 3 to 4 ft.

Monday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 ft.

Tuesday

ENE wind around 10 kt. A chance of showers. Seas around 3 ft.

Tuesday Night

Variable winds 5 kt or less. Showers likely. Seas 2 to 3 ft.

Wednesday

ENE wind 5 to 10 kt. Showers. 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.