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17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:36 pm CST Feb 15, 2026
Forecast Valid: 5am CST Feb 16, 2026-6pm CST Feb 22, 2026

Washington's Birthday

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

Tonight

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

Tuesday

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

Tuesday Night

SE wind 5 to 10 kt becoming S after midnight. Mostly cloudy. Seas 1 ft or less.

Wednesday

SSW wind 5 to 10 kt. A slight chance of showers after noon. Seas around 1 ft.

Wednesday Night

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

Thursday

S wind around 10 kt. Mostly sunny. Seas around 1 ft.

Thursday Night

S wind 5 to 10 kt. A chance of showers. Seas 1 ft or less.

Friday

S wind 5 to 10 kt. A chance of showers. 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.