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29NM NE Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:51 am CST Dec 2, 2025
Forecast Valid: 2pm CST Dec 2, 2025-6pm CST Dec 8, 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

This Afternoon

NNW wind around 15 kt. Mostly sunny. Seas around 3 ft.

Tonight

N wind 10 to 15 kt. 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

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

Thursday

E wind 10 to 20 kt. Showers before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers after 3pm. Seas 3 to 4 ft.

Thursday Night

E wind 15 to 20 kt. Showers. Seas 3 to 4 ft.

Friday

ENE wind 10 to 15 kt becoming NNW in the afternoon. Showers and possibly a thunderstorm. Seas around 2 ft.

Friday Night

N wind around 10 kt. Showers. Seas around 1 ft.

Saturday

NNE wind around 10 kt. Showers likely. Seas 1 to 2 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.