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11NM N Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:58 pm CST Jan 12, 2026
Forecast Valid: 5pm CST Jan 12, 2026-6pm CST Jan 19, 2026

Tonight

NNE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

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

Tuesday Night

Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.

Wednesday

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

Wednesday Night

WNW wind 15 to 25 kt becoming NNW in the evening. Partly cloudy. Seas around 1 ft.

Thursday

NNW wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

NNW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

SSW wind around 10 kt becoming NNW after midnight. Partly cloudy. 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.