Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. 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: 81 °F
Light Wind
< 1ft
Saturday
High: 91 °F
Light Wind
< 1ft
Saturday Night
Low: 82 °F
Light Wind
< 1ft
Sunday
High: 91 °F
Light Wind
< 1ft
Sunday Night
Low: 82 °F
Light Wind
< 1ft
Monday
High: 91 °F
Light Wind
< 1ft
Monday Night
Low: 82 °F
Light Wind
< 1ft
Tuesday
High: 92 °F
Light Wind
< 1ft
Tuesday Night
Low: 80 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:16 pm CDT Jul 18, 2025
Forecast Valid: 10pm CDT Jul 18, 2025-6pm CDT Jul 25, 2025

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 4am. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before 3pm. Seas 1 ft or less.

Saturday Night

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

Sunday

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

Sunday Night

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

Monday

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

Monday Night

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

Tuesday

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

Tuesday Night

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

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.