For More Weather Information:

17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:24 am CST Feb 15, 2026
Forecast Valid: 2pm CST Feb 15, 2026-6pm CST Feb 21, 2026

This Afternoon

W wind around 15 kt. Sunny. Seas around 1 ft.

Tonight

WNW wind around 10 kt becoming N after midnight. Partly cloudy. Seas around 1 ft.

Washington's Birthday

N wind 5 to 10 kt becoming ENE in the afternoon. Partly sunny. Seas 1 ft or less.

Monday Night

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

Wednesday

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

Wednesday Night

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

Thursday

S wind around 10 kt. Mostly 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.