For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 38 °F
E 10kt
4-5ft
Saturday
High: 41 °F
E 10kt
4ft
Saturday Night
Low: 38 °F
ENE 10kt
4ft
Sunday
High: 42 °F
ENE 15kt
3-4ft
Sunday Night
Low: 39 °F
ENE 15kt
3ft
Monday
High: 42 °F
W 10kt
3ft
Monday Night
Low: 39 °F
W 20kt
6-7ft
Tuesday
High: 43 °F
W 10kt
4-5ft
Tuesday Night
Low: 39 °F
WSW 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: 6:02 pm AKDT Apr 3, 2026
Forecast Valid: 7pm AKDT Apr 3, 2026-6pm AKDT Apr 10, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A low pressure system in the eastern Gulf of Alaska has a front moving slowly north and weakening across the Alaska Panhandle. Strongest winds will remain offshore and through the outside waters, though Clarence Strait and channel entrances may see increased speeds as well. Southerly strong winds will decrease behind the front, with lighter winds lasting through the rest of the weekend.

Tonight

E wind around 10 kt becoming SE in the evening. Showers. Seas 4 to 5 ft.

Saturday

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

Saturday Night

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

Sunday

ENE wind around 15 kt. Showers, mainly after 10am. Seas 3 to 4 ft.

Sunday Night

ENE wind 10 to 15 kt. Rain. Seas around 3 ft.

Monday

W wind around 10 kt. Rain, mainly before 10am. Seas around 3 ft.

Monday Night

W wind 10 to 20 kt. A chance of rain before 10pm. Seas 6 to 7 ft.

Tuesday

W wind around 10 kt. Partly sunny. Seas 4 to 5 ft.

Tuesday Night

WSW wind around 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.