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3NM SW Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:40 pm CST Jan 10, 2026
Forecast Valid: 5pm CST Jan 10, 2026-6pm CST Jan 17, 2026

Tonight

N wind 15 to 20 kt increasing to 20 to 25 kt after midnight. Mostly cloudy. Seas around 1 ft.

Sunday

N wind 15 to 25 kt. Mostly sunny. Seas around 1 ft.

Sunday Night

NE wind 15 to 20 kt. Mostly cloudy. Seas around 1 ft.

Monday

NNE wind 10 to 15 kt. Partly sunny. Seas around 1 ft.

Monday Night

NNE wind 5 to 10 kt. Mostly cloudy. Seas 1 ft or less.

Tuesday

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

Tuesday Night

Variable winds 5 kt or less. A chance of showers, mainly after midnight. Seas 1 ft or less.

Wednesday

W wind around 10 kt. A chance of showers. Seas around 1 ft.

Wednesday Night

W wind 10 to 20 kt becoming NNW after midnight. Partly cloudy. 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.