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17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:23 am CST Nov 27, 2025
Forecast Valid: 7am CST Nov 27, 2025-6pm CST Dec 3, 2025

Thanksgiving Day

NNE wind around 15 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.

Tonight

NNE wind 10 to 15 kt. Mostly clear. Seas 1 ft or less.

Friday

NE wind around 15 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

ENE wind 10 to 15 kt becoming ESE after midnight. Mostly cloudy. Seas 1 ft or less.

Saturday

SE wind 10 to 15 kt. Partly sunny. Seas around 1 ft.

Saturday Night

SSE wind around 10 kt. A slight chance of showers after midnight. Seas around 1 ft.

Sunday

S wind around 10 kt becoming N in the afternoon. A chance of showers. Seas around 1 ft.

Sunday Night

NE wind 10 to 15 kt. A chance of showers and thunderstorms, mainly before midnight. Seas 1 ft or less.

Monday

NE wind 10 to 15 kt. A chance of showers and thunderstorms, mainly after noon. Seas 1 ft or less.

Winds and seas 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.