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17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:32 pm CST Mar 1, 2026
Forecast Valid: 9pm CST Mar 1, 2026-6pm CDT Mar 8, 2026

Tonight

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

Monday

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

Monday Night

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

Tuesday

ESE wind around 10 kt. Mostly sunny. Seas around 1 ft.

Tuesday Night

ESE wind around 10 kt. Partly cloudy. Seas around 1 ft.

Wednesday

ESE wind around 10 kt. Sunny. Seas around 1 ft.

Wednesday Night

SE wind 5 to 10 kt. Mostly clear. Seas around 1 ft.

Thursday

SE wind 5 to 10 kt. A chance of showers and thunderstorms after noon. Seas around 1 ft.

Thursday Night

SE wind around 10 kt. A slight chance of showers. 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.