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5NM NNE Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:46 am CDT Oct 13, 2026
Forecast Valid: 4am CDT Oct 13, 2026-6pm CDT Oct 19, 2026

Tuesday

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

Tuesday Night

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

Wednesday

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

Wednesday Night

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

Thursday

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

Thursday Night

E wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

Friday

NE wind 5 to 10 kt. A slight chance of showers before 1pm. Seas 1 ft or less.

Friday Night

Variable winds less than 5 kt becoming NNE 20 to 25 kt after midnight. Winds could gust as high as 35 kt. Partly cloudy. Seas 1 ft or less.

Saturday

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