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11NM N Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:31 pm CST Feb 1, 2026
Forecast Valid: 8am CST Feb 2, 2026-6pm CST Feb 8, 2026

Today

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

Tonight

Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.

Tuesday

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

Tuesday Night

S wind 5 to 10 kt becoming W after midnight. Showers likely, mainly after midnight. Seas 1 ft or less.

Wednesday

WNW wind around 10 kt becoming N in the morning. Showers likely, mainly before noon. Seas 1 ft or less.

Wednesday Night

N wind 15 to 20 kt. Partly cloudy. Seas around 1 ft.

Thursday

N wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.

Thursday Night

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

Friday

W wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Winds and seas higher in and near thunderstorms.

*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.