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17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:20 pm CST Nov 28, 2025
Forecast Valid: 5pm CST Nov 28, 2025-6pm CST Dec 5, 2025

Tonight

ENE wind around 15 kt becoming ESE after midnight. Partly cloudy. Seas 1 ft or less.

Saturday

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

Saturday Night

SE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Sunday

SE wind 5 to 10 kt becoming NNE in the afternoon. A chance of showers. Seas 1 ft or less.

Sunday Night

NE wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers. Seas 1 ft or less.

Monday

E wind 10 to 15 kt. A slight chance of showers, then a chance of showers and thunderstorms after noon. Seas 1 ft or less.

Monday Night

NE wind 10 to 15 kt becoming NNW after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tuesday

NNW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers. Seas 1 ft or less.

Tuesday Night

N wind around 10 kt becoming NE after midnight. Partly cloudy. 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.