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Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]

Friday
High: 48 °F
SSE 10kt
1-2ft
Friday Night
Low: 43 °F
SSE 10kt
1-2ft
Saturday
High: 47 °F
ESE 10kt
1-2ft
Saturday Night
Low: 45 °F
ESE 10kt
1-2ft
Sunday
High: 48 °F
SSE 10kt
2ft
Sunday Night
Low: 47 °F
SE 15kt
2-3ft
Monday
High: 49 °F
SSE 20kt
4ft
Monday Night
Low: 46 °F
S 15kt
2-3ft
Tuesday
High: 50 °F
SSW 10kt
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:47 pm AKDT Apr 24, 2025
Forecast Valid: 4am AKDT Apr 25, 2025-6pm AKDT May 1, 2025

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Detailed Forecast

Synopsis: A weakening low in the northeast gulf moves inland into Friday. This weekend, a trough will stretch across the Gulf of Alaska once again increasing winds in the outer coastal waters.

Friday

WSW wind 5 to 10 kt becoming SSE in the morning. A chance of showers, mainly before 1pm. Seas 1 to 2 ft.

Friday Night

SSE wind 5 to 10 kt. A chance of rain, mainly after 1am. Seas 1 to 2 ft.

Saturday

ESE wind 5 to 10 kt. A chance of rain, mainly before 10am. Seas 1 to 2 ft.

Saturday Night

ESE wind 5 to 10 kt. Mostly cloudy. Seas 1 to 2 ft.

Sunday

SSE wind around 10 kt. Rain likely, mainly after 4pm. Seas around 2 ft.

Sunday Night

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

Monday

SSE wind around 20 kt. Rain. Seas around 4 ft.

Monday Night

S wind 10 to 15 kt. A chance of rain. Seas 2 to 3 ft.

Tuesday

SSW wind 5 to 10 kt. A chance of showers. Seas around 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.