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17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:30 pm CST Mar 2, 2026
Forecast Valid: 5pm CST Mar 2, 2026-6pm CDT Mar 9, 2026

Tonight

Variable winds 5 kt or less. Patchy fog after 3am. Seas 1 ft or less.

Tuesday

ESE wind 5 to 10 kt. Patchy fog before 9am. Seas 1 ft or less.

Tuesday Night

ESE wind 5 to 10 kt. Patchy fog after 8pm. Seas around 1 ft.

Wednesday

ESE wind 5 to 10 kt. Areas of fog before 9am. Seas around 1 ft.

Wednesday Night

ESE wind 5 to 10 kt. Patchy fog between 8pm and midnight. Seas around 1 ft.

Thursday

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

Thursday Night

SE wind around 10 kt. A slight chance of showers before midnight. Seas around 1 ft.

Friday

SE wind around 10 kt. A chance of showers and thunderstorms, mainly after noon. Seas 1 ft or less.

Friday Night

SE wind around 10 kt. Partly cloudy. 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.