For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 56 °F
W 10kt
6-7ft

Small Craft Advisory
Tonight
Low: 49 °F
W 10kt
5-6ft
Thursday
High: 60 °F
NE 10kt
5ft
Thursday Night
Low: 50 °F
NE 15kt
4ft
Friday
High: 59 °F
Light Wind
3ft
Friday Night
Low: 49 °F
Light Wind
2-3ft
Saturday
High: 56 °F
Light Wind
2ft
Saturday Night
Low: 49 °F
Light Wind
2-3ft
Sunday
High: 56 °F
Light Wind
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:59 am AKDT Sep 9, 2026
Forecast Valid: 12pm AKDT Sep 9, 2026-6pm AKDT Sep 15, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THIS EVENING...

Synopsis: Elevated westerly to southerly winds continue to impact the inner channels Wednesday morning, with winds diminishing by the late afternoon. This break will be short lived as northerly winds build across the inner channels Thursday. Near gale force conditions are forecasted for Lynn Canal and fresh to strong breezes for much of the inner channels.

This Afternoon

W wind around 10 kt. Mostly sunny. Seas 6 to 7 ft.

Tonight

W wind 5 to 10 kt. Partly cloudy. Seas 5 to 6 ft.

Thursday

NE wind 5 to 10 kt. Mostly sunny. Seas around 5 ft.

Thursday Night

WNW wind 10 to 15 kt becoming NE after midnight. Mostly clear. Seas around 4 ft.

Friday

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

Friday Night

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

Saturday

Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

Saturday Night

Variable winds 5 kt or less. A chance of showers. Seas 2 to 3 ft.

Sunday

Variable winds 5 kt or less. A chance of showers. 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.