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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 40 °F
ENE 15kt
6ft
Tonight
Low: 34 °F
ENE 15kt
5-7ft
Wednesday
High: 41 °F
ENE 10kt
4ft
Wednesday Night
Low: 32 °F
Light Wind
3ft
Thursday
High: 40 °F
ENE 10kt
3ft
Thursday Night
Low: 37 °F
ENE 20kt
3-4ft
Friday
High: 41 °F
ESE 20kt
4-5ft
Friday Night
Low: 39 °F
ESE 10kt
4ft
Saturday
High: 42 °F
SE 10kt
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:15 pm AKDT Mar 31, 2026
Forecast Valid: 5pm AKDT Mar 31, 2026-6pm AKDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A low moves from the central gulf towards the coast of Haida Gwaii through midweek. Outflow conditions will bring northerly breezes in the northern half of the inner channels. Winds and seas will diminish late Tuesday night into Wednesday. A weaker front moves into the area beginning Thursday.

This Afternoon

ENE wind around 15 kt. Mostly sunny. Seas around 6 ft.

Tonight

ENE wind 10 to 15 kt. Mostly clear. Seas 5 to 7 ft.

Wednesday

ENE wind around 10 kt. Sunny. Seas around 4 ft.

Wednesday Night

Variable winds 5 kt or less. Mostly clear. Seas around 3 ft.

Thursday

ENE wind around 10 kt. A chance of rain and snow after 4pm. Seas around 3 ft.

Thursday Night

ENE wind 15 to 20 kt. Snow, possibly mixed with rain. Seas 3 to 4 ft.

Friday

ESE wind 15 to 20 kt. Rain and snow, becoming all rain after 7am. Seas 4 to 5 ft.

Friday Night

ESE wind around 10 kt. Rain. Seas around 4 ft.

Saturday

SE wind around 10 kt. Rain. Seas around 4 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.