For More Weather Information:

Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]

Today
High: 68 °F
NNW 15kt
2ft
Tonight
Low: 59 °F
NW 10kt
2ft
Friday
High: 68 °F
WNW 10kt
2ft
Friday Night
Low: 58 °F
NNW 10kt
1-2ft
Saturday
High: 67 °F
NNW 10kt
2ft
Saturday Night
Low: 57 °F
NW 10kt
2ft
Sunday
High: 66 °F
NNW 10kt
2ft
Sunday Night
Low: 57 °F
NW 15kt
3ft
Labor Day
High: 67 °F
NNW 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: 4:47 am AKDT Aug 28, 2025
Forecast Valid: 10am AKDT Aug 28, 2025-6pm AKDT Sep 3, 2025

View Nearby Observations

Detailed Forecast

Synopsis: High pressure persists over the eastern gulf as a low moves into the Alaska Peninsula. The high will then move back into the central gulf by the weekend. Winds are expected to remain on the lighter side for the Inner Channels aside from afternoon sea breezes. Winds in the central gulf pick up out of the south for the end of the week.

Today

NNW wind 10 to 15 kt. Sunny. Seas around 2 ft.

Tonight

NW wind around 10 kt. Clear. Seas around 2 ft.

Friday

WNW wind around 10 kt. Sunny. Seas around 2 ft.

Friday Night

NNW wind 5 to 10 kt. Clear. Seas 1 to 2 ft.

Saturday

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

Saturday Night

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

Sunday

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

Sunday Night

NW wind 10 to 15 kt. Partly cloudy. Seas around 3 ft.

Labor Day

NNW wind 10 to 15 kt. Mostly sunny. 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.