For More Weather Information:

Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]

Today
High: 66 °F
NW 10kt
2ft
Tonight
Low: 58 °F
NW 10kt
2ft
Monday
High: 69 °F
NW 10kt
2ft
Monday Night
Low: 58 °F
NW 10kt
2ft
Tuesday
High: 68 °F
NW 10kt
1-2ft
Tuesday Night
Low: 57 °F
W 10kt
2ft
Wednesday
High: 63 °F
WSW 10kt
1-2ft
Wednesday Night
Low: 56 °F
W 10kt
1-2ft
Thursday
High: 61 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:16 am AKDT Jul 20, 2025
Forecast Valid: 8am AKDT Jul 20, 2025-6pm AKDT Jul 26, 2025

View Nearby Observations

Detailed Forecast

Synopsis: High pressure over the gulf persists through the first half of next week. Winds along the Outer Gulf Coast will increase through Sunday. A low enters the Gulf on Wednesday. Daily sea breeze development will increase winds over parts of the inner channels in the afternoons and evenings.

Today

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

Tonight

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

Monday

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

Monday Night

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

Tuesday

NW wind 5 to 10 kt. Mostly sunny. Seas 1 to 2 ft.

Tuesday Night

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

Wednesday

WSW wind around 10 kt. Partly sunny. Seas 1 to 2 ft.

Wednesday Night

W wind around 10 kt becoming SSE in the evening. Mostly cloudy. Seas 1 to 2 ft.

Thursday

Variable winds 5 kt or less. Partly sunny. Seas around 1 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.