For More Weather Information:

Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 15 °C
S 15km/h
< 1m
Tonight
Low: 12 °C
NW 20km/h
< 1m
Independence Day
High: 16 °C
SE 15km/h
< 1m
Friday Night
Low: 12 °C
SSE 15km/h
1m
Saturday
High: 14 °C
SSE 15km/h
< 1m
Saturday Night
Low: 12 °C
SSE 15km/h
< 1m
Sunday
High: 14 °C
SSE 15km/h
< 1m
Sunday Night
Low: 12 °C
S 15km/h
1m
Monday
High: 14 °C
SSE 25km/h
1m

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:59 pm AKDT Jul 3, 2025
Forecast Valid: 3pm AKDT Jul 3, 2025-6pm AKDT Jul 9, 2025

View Nearby Observations

Detailed Forecast

Synopsis: A weak ridge of high pressure will linger over the eastern Gulf and the panhandle through Friday night bringing drier weather and calmer winds. An area of low pressure will move E into the southern part of the gulf Friday through Saturday.

This Afternoon

S wind around 15 km/h. Sprinkles. Seas 1 m or less.

Tonight

NW wind 10 to 20 km/h becoming SE after midnight. Partly cloudy. Seas 1 m or less.

Independence Day

SE wind 10 to 15 km/h. Partly sunny. Seas 1 m or less.

Friday Night

SSE wind around 15 km/h. A chance of showers after 1am. Seas around 1 m.

Saturday

SSE wind around 15 km/h. A chance of rain. Seas 1 m or less.

Saturday Night

SSE wind around 15 km/h. Mostly cloudy. Seas 1 m or less.

Sunday

SSE wind around 15 km/h. A chance of rain before 4pm. Seas 1 m or less.

Sunday Night

S wind around 15 km/h. A chance of rain. Seas around 1 m.

Monday

SSE wind 15 to 25 km/h. Rain likely. Seas around 1 m.

*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.