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Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 53 °F
WSW 10kt
2ft
Saturday
High: 58 °F
SSE 20kt
3-4ft

Small Craft Advisory
Saturday Night
Low: 55 °F
SSE 20kt
3-5ft
Sunday
High: 60 °F
S 10kt
2ft
Sunday Night
Low: 55 °F
SSW 10kt
1-2ft
Monday
High: 63 °F
NNW 10kt
2ft
Monday Night
Low: 55 °F
NW 10kt
2ft
Tuesday
High: 65 °F
NW 10kt
2ft
Tuesday Night
Low: 56 °F
NW 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: 4:43 pm AKDT Jul 11, 2025
Forecast Valid: 6pm AKDT Jul 11, 2025-6pm AKDT Jul 18, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY SATURDAY AFTERNOON...

Synopsis: An area of low pressure will move into the eastern Gulf Saturday bringing elevated winds to the southern inner channels and SE gulf waters. That low will gradually diminish through Sunday before a ridge of high pressure builds over the gulf on Monday.

Tonight

WSW wind around 10 kt becoming S after midnight. Showers, mainly after 1am. Seas around 2 ft.

Saturday

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

Saturday Night

SSE wind 10 to 20 kt. Rain likely, mainly between 1am and 4am. Seas 3 to 5 ft.

Sunday

S wind around 10 kt. A chance of rain before 4pm. Seas around 2 ft.

Sunday Night

SSW wind 5 to 10 kt becoming WNW after midnight. Mostly cloudy. Seas 1 to 2 ft.

Monday

NNW wind around 10 kt. Partly sunny. Seas around 2 ft.

Monday Night

NW wind around 10 kt. Partly cloudy. Seas around 2 ft.

Tuesday

NW wind around 10 kt. Mostly sunny. Seas around 2 ft.

Tuesday Night

NW wind around 10 kt. Partly cloudy. 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.