For More Weather Information:

Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 49 °F
SSE 15kt
3ft
Tonight
Low: 46 °F
SE 20kt
4ft

Small Craft Advisory
Monday
High: 52 °F
S 20kt⇓
2-4ft

Small Craft Advisory
Monday Night
Low: 45 °F
WNW 10kt
2ft
Tuesday
High: 52 °F
Light Wind
1ft
Tuesday Night
Low: 46 °F
Light Wind
1ft
Wednesday
High: 49 °F
⇑SE 20kt
4ft
Wednesday Night
Low: 47 °F
SSE 20kt
2-4ft
Thursday
High: 52 °F
W 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:56 pm AKDT May 17, 2026
Forecast Valid: 5pm AKDT May 17, 2026-6pm AKDT May 24, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH MONDAY...

Synopsis: A strong gale force front continues to move through the Eastern and Northern Gulf of Alaska through the rest of today. This front will slowly continue to progress over the panhandle through Monday morning.

This Afternoon

SSE wind around 15 kt. Rain. Seas around 3 ft.

Tonight

SE wind 15 to 20 kt. Rain. Seas around 4 ft.

Monday

S wind 15 to 20 kt becoming W 5 to 10 kt in the afternoon. Rain, mainly before 1pm. Seas 2 to 4 ft.

Monday Night

WNW wind around 10 kt. Patchy fog after 1am. Seas around 2 ft.

Tuesday

Variable winds 5 kt or less. Areas of fog before 10am. Seas around 1 ft.

Tuesday Night

Variable winds 5 kt or less. A chance of rain after 1am. Seas around 1 ft.

Wednesday

SE wind 5 to 10 kt increasing to 15 to 20 kt in the morning. Showers, mainly after 10am. Seas 1 ft building to 4 ft.

Wednesday Night

SSE wind 10 to 20 kt. Showers. Seas 2 to 4 ft.

Thursday

W wind 5 to 10 kt. Mostly cloudy. Seas 1 to 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.