For More Weather Information:

17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:21 am CDT Aug 1, 2026
Forecast Valid: 9am CDT Aug 1, 2026-6pm CDT Aug 7, 2026

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING...

Today

WSW wind around 15 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms before 11am. Seas around 1 ft.

Tonight

WSW wind around 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, mainly after 4am. Seas around 1 ft.

Sunday

WSW wind around 15 kt, with gusts as high as 20 kt. Showers and thunderstorms likely, mainly before 1pm. Seas around 1 ft.

Sunday Night

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

Monday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 1am. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 1pm. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. Sunny. 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.