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Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 8 °C
SSE 20km/h
< 1m
Saturday
High: 11 °C
WNW 15km/h
1m
Saturday Night
Low: 7 °C
NW 15km/h
< 1m
Sunday
High: 11 °C
SE 20km/h
1m
Sunday Night
Low: 8 °C
SSE 25km/h
1m
Monday
High: 11 °C
SE 25km/h
1m
Monday Night
Low: 8 °C
SSE 25km/h
1m
Tuesday
High: 11 °C
SSE 15km/h
1m
Tuesday Night
Low: 8 °C
S 15km/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: 2:57 pm AKDT May 16, 2025
Forecast Valid: 6pm AKDT May 16, 2025-6pm AKDT May 23, 2025

View Nearby Observations

Detailed Forecast

Synopsis: A 999mb low is currently making landfall along our northern coast, with an occluding front ejecting across the Panhandle. While westerly winds impact the coast, a surge of southerly winds is forming across the inner channels into Friday night. Lighter winds expected Saturday. A gale force low will slide across the southern gulf late Sunday.

Tonight

SSE wind 15 to 20 km/h becoming SSW in the evening. Rain. Seas 1 m or less.

Saturday

WNW wind around 15 km/h. Rain likely, mainly before 7am. Seas around 1 m.

Saturday Night

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

Sunday

SE wind 15 to 20 km/h. A chance of rain after 4pm. Seas around 1 m.

Sunday Night

SSE wind around 25 km/h. Rain likely, mainly after 7pm. Seas around 1 m.

Monday

SE wind around 25 km/h. Rain. Seas around 1 m.

Monday Night

SSE wind 20 to 25 km/h. Rain. Seas around 1 m.

Tuesday

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

Tuesday Night

S wind around 15 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.