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29NM NE Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:02 am CST Jan 22, 2026
Forecast Valid: 2am CST Jan 22, 2026-6pm CST Jan 28, 2026

Thursday

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

Thursday Night

Variable winds 5 kt or less. A slight chance of showers after 5am. Seas 1 ft or less.

Friday

ENE wind 5 to 10 kt becoming N in the morning. A chance of showers. Seas 1 to 2 ft.

Friday Night

ENE wind 10 to 15 kt. A chance of showers, mainly before midnight. Seas 2 to 3 ft.

Saturday

ENE wind 10 to 15 kt becoming SSE in the afternoon. A chance of showers, mainly after noon. Seas around 3 ft.

Saturday Night

SSE wind 10 to 15 kt becoming SSW after midnight. Showers likely and possibly a thunderstorm. Seas 1 to 3 ft.

Sunday

SSW wind 15 to 20 kt becoming NNW in the afternoon. Showers. Seas 3 to 4 ft.

Sunday Night

NNW wind around 20 kt. A chance of showers. Seas around 4 ft.

Monday

N wind 15 to 20 kt. Mostly sunny. Seas 3 to 4 ft.

Winds and waves higher in and near thunderstorms.

*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.