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3NM SW Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:01 am CDT Oct 14, 2026
Forecast Valid: 2am CDT Oct 14, 2026-6pm CDT Oct 20, 2026

Wednesday

ENE wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

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

Thursday Night

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

Friday

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

Friday Night

ENE wind 5 to 10 kt becoming NNE 20 to 30 kt in the evening. Winds could gust as high as 35 kt. Partly cloudy. Seas around 1 ft.

Saturday

NNE wind 20 to 30 kt, with gusts as high as 35 kt. Sunny. Seas around 1 ft.

Saturday Night

NE wind around 20 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 1 ft.

Sunday

ENE wind around 20 kt, with gusts as high as 30 kt. A chance of showers. Seas 1 to 2 ft.

*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.