For More Weather Information:

17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:30 pm CST Dec 29, 2025
Forecast Valid: 7am CST Dec 30, 2025-6pm CST Jan 5, 2026

Today

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

Tonight

N wind around 10 kt. Mostly clear. Seas 1 ft or less.

Wednesday

N wind 5 to 10 kt becoming W in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

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

New Year's Day

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

Thursday Night

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

Friday

SSW wind around 10 kt. Mostly sunny. Seas around 1 ft.

Friday Night

SSW wind around 10 kt. A chance of showers and thunderstorms, mainly after midnight. Seas around 1 ft.

Saturday

WSW wind around 10 kt becoming WNW in the afternoon. A chance of showers. 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.