Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]

This Afternoon
High: 92 °F
Light Wind
< 1ft
Tonight
Low: 81 °F
Light Wind
< 1ft
Thursday
High: 92 °F
Light Wind
< 1ft
Thursday Night
Low: 82 °F
Light Wind
< 1ft
Friday
High: 93 °F
Light Wind
< 1ft
Friday Night
Low: 82 °F
Light Wind
< 1ft
Independence Day
High: 92 °F
Light Wind
< 1ft
Saturday Night
Low: 81 °F
Light Wind
< 1ft
Sunday
High: 91 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:47 pm CDT Jul 1, 2026
Forecast Valid: 1pm CDT Jul 1, 2026-6pm CDT Jul 7, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 4am. Seas 1 ft or less.

Thursday

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly between 3pm and 4pm. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. 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.

Independence Day

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

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