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3NM SW Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:33 am CST Jan 30, 2026
Forecast Valid: 2pm CST Jan 30, 2026-6pm CST Feb 5, 2026

This Afternoon

N wind around 15 kt. Partly sunny. Seas 1 ft or less.

Tonight

N wind 20 to 30 kt, with gusts as high as 35 kt. Mostly cloudy, then gradually becoming mostly clear. Seas around 1 ft.

Saturday

NNW wind 25 to 30 kt, with gusts as high as 35 kt. Sunny. Seas around 1 ft.

Saturday Night

N wind 20 to 25 kt, with gusts as high as 30 kt. Mostly clear. Seas around 1 ft.

Sunday

N wind 5 to 15 kt. Sunny. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Monday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Tuesday

S wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

*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.