Severe Storms and Heavy Rain the Mississippi Valley and Midwest; Widespread Heat in the Central US

Severe thunderstorms and showers have the potential for large hail, a few strong tornadoes, damaging winds with gusts over 75 mph, and localized flash flooding across parts of the Mid/Upper Mississippi Valley and Midwest. A widespread heat wave will continue across the Central U.S. and Midwest today. Fire weather concerns persist in the Southwest into the central Rockies and northern California. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]

Tonight
Low: 78 °F
SE 10kt
< 1ft
Thursday
High: 87 °F
SSE 10kt
< 1ft
Thursday Night
Low: 80 °F
SSE 10kt
< 1ft
Friday
High: 87 °F
Light Wind
< 1ft
Friday Night
Low: 80 °F
Light Wind
< 1ft
Saturday
High: 87 °F
Light Wind
< 1ft
Saturday Night
Low: 80 °F
Light Wind
< 1ft
Sunday
High: 88 °F
SSW 10kt
< 1ft
Sunday Night
Low: 79 °F
SSW 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:41 pm CDT Jun 10, 2026
Forecast Valid: 5pm CDT Jun 10, 2026-6pm CDT Jun 17, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

Thursday

SSE wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Thursday Night

SSE wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

Friday

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

Friday Night

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

Saturday

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

Saturday Night

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

Sunday

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

Sunday Night

SSW wind around 10 kt. A slight chance of showers and thunderstorms after 1am. 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.