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29NM NE Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:31 am CST Dec 1, 2025
Forecast Valid: 1pm CST Dec 1, 2025-6pm CST Dec 7, 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY...

This Afternoon

ENE wind around 15 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas around 3 ft.

Tonight

NE wind 15 to 20 kt becoming NNW after midnight. Showers and possibly a thunderstorm before 3am, then showers likely. Seas 3 to 4 ft.

Tuesday

NNW wind 15 to 20 kt. Mostly cloudy, then gradually becoming sunny. Seas 3 to 4 ft.

Tuesday Night

N wind 10 to 15 kt becoming NE after midnight. Partly cloudy. Seas 2 to 3 ft.

Wednesday

NE wind 5 to 10 kt becoming E in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Wednesday Night

ESE wind 5 to 10 kt. A chance of showers after midnight. Seas 1 to 2 ft.

Thursday

E wind 10 to 20 kt. Showers and possibly a thunderstorm. Seas 3 to 4 ft.

Thursday Night

E wind 15 to 20 kt becoming S after midnight. Showers likely, with thunderstorms also possible after midnight. Seas 3 to 4 ft.

Friday

S wind 10 to 15 kt becoming NNW in the afternoon. Showers likely and possibly a thunderstorm. Seas 2 to 3 ft.

*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.