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Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]

Thursday
High: 59 °F
NW 10kt⇓
1-2ft
Thursday Night
Low: 52 °F
SSE 10kt
1-2ft
Independence Day
High: 60 °F
SE 10kt
1-2ft
Friday Night
Low: 52 °F
SSE 10kt
2ft
Saturday
High: 58 °F
SSE 10kt
1-2ft
Saturday Night
Low: 54 °F
SSE 10kt
2ft
Sunday
High: 59 °F
Light Wind
1ft
Sunday Night
Low: 54 °F
Light Wind
1-2ft
Monday
High: 58 °F
SSE 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: 11:03 pm AKDT Jul 2, 2025
Forecast Valid: 3am AKDT Jul 3, 2025-6pm AKDT Jul 9, 2025

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Detailed Forecast

Synopsis: A ridge of high pressure will move into the eastern Gulf and Panhandle from the central Gulf Wed night. This weak high pressure will linger over the eastern Gulf and the panhandle through Thursday bringing drier weather and calmer winds starting Wednesday night. An area of low pressure will move E south of the gulf Friday through Saturday.

Thursday

NW wind 5 to 10 kt becoming variable and less than 5 kt. A slight chance of showers between 10am and 1pm. Seas 1 to 2 ft.

Thursday Night

SSE wind 5 to 10 kt. Partly cloudy. Seas 1 to 2 ft.

Independence Day

SE wind 5 to 10 kt. Mostly sunny. Seas 1 to 2 ft.

Friday Night

SSE wind around 10 kt. Mostly cloudy. Seas around 2 ft.

Saturday

SSE wind 5 to 10 kt. A chance of rain. Seas 1 to 2 ft.

Saturday Night

SSE wind 5 to 10 kt. Cloudy. Seas around 2 ft.

Sunday

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

Sunday Night

Variable winds 5 kt or less. Cloudy. Seas 1 to 2 ft.

Monday

SSE wind 10 to 15 kt. A chance of 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.