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17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:25 am CST Feb 1, 2026
Forecast Valid: 4am CST Feb 1, 2026-6pm CST Feb 7, 2026

Sunday

N wind 5 to 10 kt becoming NW in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

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

Monday

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

Monday Night

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

Tuesday

SSW wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

SSW wind 5 to 10 kt becoming WSW after midnight. A chance of showers after midnight. Seas around 1 ft.

Wednesday

W wind 10 to 15 kt becoming N in the afternoon. Winds could gust as high as 20 kt. Showers likely, mainly before noon. Seas around 1 ft.

Wednesday Night

N wind 15 to 20 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 1 ft.

Thursday

N wind 10 to 20 kt. Sunny. Seas 1 ft or less.

*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.