For More Weather Information:

62NM SW Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:27 am CDT Jun 15, 2026
Forecast Valid: 6am CDT Jun 15, 2026-6pm CDT Jun 21, 2026

Today

SSW wind 5 to 10 kt. Partly sunny. Seas 2 to 3 ft.

Tonight

S wind 10 to 15 kt. Mostly cloudy. Seas 2 to 3 ft.

Tuesday

S wind around 15 kt. A slight chance of showers and thunderstorms after 3pm. Seas around 3 ft.

Tuesday Night

S wind 10 to 20 kt. A chance of showers and thunderstorms before 1am. Seas 3 ft building to 6 ft.

Wednesday

S wind around 20 kt. A slight chance of showers, with thunderstorms also possible after 10am. Seas 6 to 7 ft.

Wednesday Night

S wind 20 to 25 kt, with gusts as high as 30 kt. A slight chance of showers and thunderstorms before 1am. Seas 8 to 10 ft.

Thursday

S wind around 25 kt, with gusts as high as 30 kt. A slight chance of showers and thunderstorms before 1pm. Seas 9 to 10 ft.

Thursday Night

S wind around 25 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 8 to 9 ft.

Juneteenth

S wind 15 to 20 kt. Mostly sunny. Seas 5 to 7 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.