For More Weather Information:

Juneau, AK Local Forecast Office

10NM W Cape Fanshaw AK

Marine Point Forecast

[NOTICE]

Today
High: 46 °F
Light Wind
1ft
Tonight
Low: 42 °F
N 15kt
2-3ft
Friday
High: 48 °F
N 20kt
4ft
Friday Night
Low: 41 °F
N 15kt⇓
1-3ft
Saturday
High: 46 °F
Light Wind
1ft
Saturday Night
Low: 42 °F
Light Wind
< 1ft
Sunday
High: 45 °F
Light Wind
1ft
Sunday Night
Low: 43 °F
SE 20kt
3-4ft
Columbus Day
High: 47 °F
SE 10kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:30 am AKDT Oct 8, 2026
Forecast Valid: 8am AKDT Oct 8, 2026-6pm AKDT Oct 14, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A brief break in winds through Thursday morning punctuated by areas of fog mainly in the central and northern inner channel waters. Northerly winds build across the coasts and inner channels into Friday before relaxing Saturday and shifting southerly.

Today

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

Tonight

N wind 10 to 15 kt. Patchy fog after 10pm. Seas 2 to 3 ft.

Friday

N wind around 20 kt. Sunny. Seas around 4 ft.

Friday Night

N wind 10 to 15 kt decreasing to 5 to 10 kt after midnight. Clear. Seas 1 to 3 ft.

Saturday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Saturday Night

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

Sunday

Variable winds 5 kt or less. Rain likely, mainly after 10am. Seas around 1 ft.

Sunday Night

SE wind 15 to 20 kt. Rain. Seas 3 to 4 ft.

Columbus Day

SE wind around 10 kt. Rain. 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.