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17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:32 am CST Nov 26, 2025
Forecast Valid: 3pm CST Nov 26, 2025-6pm CST Dec 3, 2025

This Afternoon

NNE wind around 15 kt, with gusts as high as 20 kt. Partly sunny. Seas around 1 ft.

Tonight

NNE wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 1 ft.

Thanksgiving Day

NNE wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.

Thursday Night

NNE wind 10 to 15 kt, with gusts as high as 20 kt. Mostly clear. Seas 1 ft or less.

Friday

NE wind around 15 kt, with gusts as high as 20 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

ENE wind around 10 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 and thunderstorms after midnight. Seas around 1 ft.

Sunday

SSE wind around 10 kt becoming ENE in the afternoon. A chance of showers and thunderstorms. Seas around 1 ft.

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.