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29NM NE Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:30 pm CST Nov 29, 2025
Forecast Valid: 11pm CST Nov 29, 2025-6pm CST Dec 6, 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT SUNDAY AFTERNOON...

Overnight

SE wind 5 to 10 kt. Partly cloudy. Seas 1 to 2 ft.

Sunday

ESE wind 5 to 15 kt becoming NE in the afternoon. A chance of showers, mainly between 2pm and 3pm. Seas 1 to 3 ft.

Sunday Night

NE wind 15 to 20 kt. A slight chance of showers, mainly between 11pm and midnight. Seas 3 to 4 ft.

Monday

ENE wind around 15 kt. A chance of showers and thunderstorms after noon. Seas 3 to 4 ft.

Monday Night

ENE wind 10 to 15 kt becoming NNW in the evening. Showers and possibly a thunderstorm. Seas 1 to 3 ft.

Tuesday

NNW wind around 15 kt. A slight chance of showers before noon. Seas around 3 ft.

Tuesday Night

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

Wednesday

E wind 5 to 10 kt. Mostly sunny. Seas 1 to 2 ft.

Wednesday Night

ESE wind 5 to 10 kt. A chance of showers. 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.