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29NM NE Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:14 am CST Dec 5, 2025
Forecast Valid: 8am CST Dec 5, 2025-6pm CST Dec 11, 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 AM CST EARLY THIS

Today

N wind around 10 kt. Showers likely and possibly a thunderstorm. Seas 1 to 2 ft.

Tonight

NNE wind 5 to 10 kt. Showers likely, mainly after 3am. Seas around 1 ft.

Saturday

NNE wind 5 to 10 kt becoming ENE in the afternoon. Showers. Seas around 1 ft.

Saturday Night

E wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 3am. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of showers before noon. Seas around 1 ft.

Sunday Night

N wind 5 to 10 kt increasing to 15 to 20 kt after midnight. A slight chance of showers before midnight. Seas 1 ft building to 5 ft.

Monday

N wind 10 to 20 kt. Mostly sunny. Seas 3 to 4 ft.

Monday Night

NNE wind around 10 kt. Partly cloudy. Seas around 2 ft.

Tuesday

NE wind 5 to 10 kt. Sunny. Seas around 1 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.