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Juneau, AK Local Forecast Office

10NM W Cape Fanshaw AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 54 °F
SE 10kt
2ft
Tonight
Low: 49 °F
ESE 10kt
2ft
Thursday
High: 53 °F
ENE 10kt
2ft
Thursday Night
Low: 48 °F
Light Wind
1ft
Friday
High: 53 °F
Light Wind
1ft
Friday Night
Low: 48 °F
Light Wind
< 1ft
Saturday
High: 54 °F
Light Wind
1ft
Saturday Night
Low: 49 °F
Light Wind
1ft
Sunday
High: 55 °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: 6:47 am AKDT Jul 8, 2026
Forecast Valid: 12pm AKDT Jul 8, 2026-6pm AKDT Jul 14, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A frontal system moves into the Gulf Wednesday afternoon into early Thursday morning, bringing increased southeasterly winds throughout the Gulf & southern Inner Channels with southern Clarence Strait seeing the highest sustained winds, reaching up to around 25 kt Wednesday night.

This Afternoon

SE wind around 10 kt. A chance of showers. Seas around 2 ft.

Tonight

ESE wind around 10 kt. Showers likely, mainly after 10pm. Seas around 2 ft.

Thursday

ENE wind around 10 kt. Showers. Seas around 2 ft.

Thursday Night

Variable winds 5 kt or less. Showers likely, mainly before 7pm. Seas around 1 ft.

Friday

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

Friday Night

Variable winds 5 kt or less. A chance of showers after 4am. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of showers before 10am. Seas around 1 ft.

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. Mostly cloudy. 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.