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17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:32 pm CST Mar 6, 2026
Forecast Valid: 7am CST Mar 7, 2026-6pm CDT Mar 13, 2026

Today

SE wind around 10 kt. A chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 9am. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 5am. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Monday

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

Monday Night

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

Tuesday

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

Tuesday Night

SE wind around 10 kt. Mostly cloudy. Seas around 1 ft.

Wednesday

SSE wind 10 to 15 kt. A chance of showers and thunderstorms after noon. 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.