For More Weather Information:

11NM N Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:31 pm CST Jan 11, 2026
Forecast Valid: 1am CST Jan 12, 2026-6pm CST Jan 18, 2026

Monday

NNE wind around 10 kt. Partly sunny. Seas 1 ft or less.

Monday Night

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 after midnight. Seas 1 ft or less.

Wednesday

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

Wednesday Night

WNW wind 15 to 20 kt becoming NNW in the evening. Winds could gust as high as 25 kt. Partly cloudy. Seas around 1 ft.

Thursday

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

Thursday Night

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

Friday

NNE wind 5 to 10 kt becoming SSW in the afternoon. 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.