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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 56 °F
W 10kt
3ft
Tonight
Low: 49 °F
NW 10kt
3ft
Friday
High: 57 °F
Light Wind
3ft
Friday Night
Low: 52 °F
SW 10kt
3ft
Saturday
High: 56 °F
E 10kt
4-5ft
Saturday Night
Low: 51 °F
Light Wind
5ft
Sunday
High: 57 °F
Light Wind
5ft
Sunday Night
Low: 50 °F
Light Wind
4ft
Monday
High: 55 °F
ESE 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: 3:18 pm AKDT Aug 27, 2026
Forecast Valid: 4pm AKDT Aug 27, 2026-6pm AKDT Sep 2, 2026

View Nearby Observations

Detailed Forecast

Synopsis: Weak ridging brings moderate breezes to the gulf Thursday before another low pressure system moves in. The next front is expected to bring fresh to strong breezes across outer and inner waters Friday night and Saturday.

This Afternoon

W wind around 10 kt. Isolated showers. Seas around 3 ft.

Tonight

NW wind 5 to 10 kt. Isolated showers before 7pm. Seas around 3 ft.

Friday

Variable winds 5 kt or less. Scattered showers after 4pm. Seas around 3 ft.

Friday Night

SW wind around 10 kt becoming SSE after midnight. Showers, mainly after 7pm. Seas around 3 ft.

Saturday

E wind around 10 kt. Showers. Seas 4 to 5 ft.

Saturday Night

Variable winds 5 kt or less. Showers. Seas around 5 ft.

Sunday

Variable winds 5 kt or less. Showers likely. Seas around 5 ft.

Sunday Night

Variable winds 5 kt or less. Showers likely. Seas around 4 ft.

Monday

ESE 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.