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Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 33 °F
Light Wind
1ft
Friday
High: 39 °F
Light Wind
1ft
Friday Night
Low: 34 °F
Light Wind
< 1ft
Saturday
High: 38 °F
Light Wind
1ft
Saturday Night
Low: 33 °F
Light Wind
< 1ft
Sunday
High: 39 °F
Light Wind
< 1ft
Sunday Night
Low: 36 °F
Light Wind
1ft
Monday
High: 42 °F
ESE 10kt
1-2ft
Monday Night
Low: 39 °F
SE 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:58 pm AKST Jan 22, 2026
Forecast Valid: 10pm AKST Jan 22, 2026-6pm AKST Jan 29, 2026

View Nearby Observations

Detailed Forecast

Synopsis: Main impact will continue to be dense fog across portions of the inner channels and in the outer waters. Northern inner channels continue to see increased northerly and easterly outflow winds today. A change in pattern allows winds and seas to increase by early next week as a low pressure systems move into the Gulf.

Tonight

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

Friday

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

Friday Night

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

Saturday

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

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of rain and snow after 9am. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Rain and snow likely, becoming all rain after 3am. Seas around 1 ft.

Monday

ESE wind 5 to 10 kt. Rain. Seas 1 to 2 ft.

Monday Night

SE wind 10 to 15 kt. Rain. Seas 2 to 3 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.