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3NM SW Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:23 am CST Feb 3, 2026
Forecast Valid: 5am CST Feb 3, 2026-6pm CST Feb 9, 2026

Today

SSW wind around 10 kt. Sunny. Seas around 1 ft.

Tonight

SSW wind around 10 kt becoming W after midnight. Showers likely, mainly after 3am. Seas around 1 ft.

Wednesday

NNW wind 10 to 15 kt. Showers likely before noon. Seas around 1 ft.

Wednesday Night

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

Thursday

NNW wind 10 to 20 kt, with gusts as high as 25 kt. Sunny. Seas around 1 ft.

Thursday Night

NW wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

Friday

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

Friday Night

W wind 10 to 15 kt becoming NW after midnight. Mostly clear. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. 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.