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29NM NE Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:32 am CST Dec 6, 2025
Forecast Valid: 3pm CST Dec 6, 2025-6pm CST Dec 13, 2025

This Afternoon

ENE wind 5 to 10 kt. A chance of showers. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. A chance of showers, mainly before 2am. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of showers, mainly between 3pm and 5pm. Seas 1 ft or less.

Sunday Night

E wind 5 to 10 kt becoming N 15 to 20 kt after midnight. A chance of showers, mainly before midnight. Seas 1 ft building to 5 ft.

Monday

N wind 15 to 20 kt. Mostly sunny. Seas 3 to 5 ft.

Monday Night

NE wind 10 to 15 kt. Partly cloudy. Seas around 3 ft.

Tuesday

NE wind 5 to 10 kt. Sunny. Seas 1 to 2 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Wednesday

SSW wind 5 to 10 kt. Sunny. 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.