For More Weather Information:

3NM SW Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:07 pm CDT Apr 6, 2026
Forecast Valid: 5pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026

Tonight

NE wind around 15 kt. Mostly clear. Seas around 1 ft.

Tuesday

ENE wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 1 ft.

Tuesday Night

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

Wednesday

E wind around 20 kt. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Seas 1 to 2 ft.

Wednesday Night

E wind around 20 kt. A chance of showers and thunderstorms. Seas 1 to 2 ft.

Thursday

E wind 15 to 20 kt. A chance of showers, with thunderstorms also possible after 1pm. Seas 1 to 2 ft.

Thursday Night

E wind around 15 kt. Mostly cloudy. Seas around 1 ft.

Friday

E wind 10 to 15 kt. A slight chance of showers and thunderstorms. Seas around 1 ft.

Friday Night

E wind around 10 kt. Partly cloudy. Seas around 1 ft.

Winds and seas higher in and near thunderstorms.

*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.