For More Weather Information:

Juneau, AK Local Forecast Office

Cape Fanshaw AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 52 °F
Light Wind
1ft
Tonight
Low: 49 °F
Light Wind
1ft
Labor Day
High: 56 °F
Light Wind
< 1ft
Monday Night
Low: 52 °F
SSE 10kt
1-2ft
Tuesday
High: 56 °F
SSE 15kt
2-3ft
Tuesday Night
Low: 51 °F
SSE 20kt
3-4ft
Wednesday
High: 56 °F
S 10kt
2ft
Wednesday Night
Low: 49 °F
Light Wind
1ft
Thursday
High: 57 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:10 pm AKDT Sep 6, 2026
Forecast Valid: 4pm AKDT Sep 6, 2026-6pm AKDT Sep 12, 2026

View Nearby Observations

Detailed Forecast

Synopsis: An incoming front tonight from the west will break down the surface high pressure, increasing southeasterlies for the gulf waters and northern half of the panhandle. A second, stronger system moves in Tuesday, bringing widespread fresh breezes to near gales.

This Afternoon

Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. Patchy fog after 1am. Seas around 1 ft.

Labor Day

Variable winds 5 kt or less. A chance of rain, mainly after 4pm. Patchy fog before 10am. Seas 1 ft or less.

Monday Night

SSE wind 5 to 10 kt. Rain likely, mainly after 10pm. Seas 1 to 2 ft.

Tuesday

SSE wind 10 to 15 kt. Rain. The rain could be heavy at times. Seas 2 to 3 ft.

Tuesday Night

SSE wind around 20 kt, with gusts as high as 30 kt. Rain. The rain could be heavy at times. Seas 3 to 4 ft.

Wednesday

S wind around 10 kt. Rain. Seas around 2 ft.

Wednesday Night

Variable winds 5 kt or less. Rain likely. Seas around 1 ft.

Thursday

Variable winds 5 kt or less. A chance of rain. Seas around 1 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.