For More Weather Information:

29NM NE Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:27 pm CST Dec 8, 2025
Forecast Valid: 4pm CST Dec 8, 2025-6pm CST Dec 15, 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

Tonight

NNE wind 10 to 15 kt. Partly cloudy. Seas 3 to 4 ft.

Tuesday

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

Tuesday Night

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

Wednesday

WSW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Thursday Night

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

Friday

ESE wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Friday Night

ESE wind 10 to 20 kt becoming NE after midnight. Partly cloudy. Seas 1 ft building to 4 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.