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11NM N Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:26 pm CDT Oct 30, 2026
Forecast Valid: 1pm CDT Oct 30, 2026-6pm CST Nov 5, 2026

This Afternoon

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

Tonight

E wind around 10 kt. Mostly cloudy. Seas 1 ft or less.

Saturday

ENE wind around 10 kt. A chance of showers and thunderstorms, mainly after 3pm. Seas 1 ft or less.

Saturday Night

E wind around 10 kt. A chance of showers and thunderstorms, mainly between 1am and 3am. Seas 1 ft or less.

Sunday

ENE wind around 10 kt. A chance of showers and thunderstorms, mainly after 7am. Seas 1 ft or less.

Sunday Night

ENE wind around 10 kt. Mostly cloudy. Seas 1 ft or less.

Monday

E wind 10 to 15 kt. Partly sunny. Seas 1 ft or less.

Monday Night

E wind around 10 kt. Mostly cloudy. Seas 1 ft or less.

Tuesday

E wind around 10 kt. A chance of showers and thunderstorms after 1pm. 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.