Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

29NM NE Grand Isle LA

Marine Point Forecast

[NOTICE]

This Afternoon
High: 87 °F
SSE 10kt
1ft
Tonight
Low: 85 °F
SSW 10kt
< 1ft
Monday
High: 84 °F
Light Wind
< 1ft
Monday Night
Low: 82 °F
Light Wind
1ft
Tuesday
High: 88 °F
NW 10kt
< 1ft
Tuesday Night
Low: 82 °F
WNW 10kt
1-2ft
Wednesday
High: 88 °F
NW 10kt
1-2ft
Wednesday Night
Low: 80 °F
ESE 10kt
1ft
Thursday
High: 86 °F
SE 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:11 pm CDT Jul 13, 2025
Forecast Valid: 3pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

SSE wind 5 to 10 kt. Showers and thunderstorms likely, mainly before 4pm. Seas around 1 ft.

Tonight

SSW wind 5 to 10 kt becoming WSW after midnight. A chance of showers and thunderstorms before 7pm. Seas 1 ft or less.

Monday

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

Monday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 7pm. Seas around 1 ft.

Tuesday

NW wind 5 to 10 kt becoming SE in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday Night

WSW wind 5 to 10 kt becoming WNW after midnight. A slight chance of showers and thunderstorms after 1am. Seas 1 to 2 ft.

Wednesday

NW wind 5 to 10 kt becoming ESE in the afternoon. Showers likely and possibly a thunderstorm before 10am, then showers and thunderstorms likely after 10am. Seas 1 to 2 ft.

Wednesday Night

ESE wind around 10 kt becoming NE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas around 1 ft.

Thursday

NNE wind around 10 kt becoming SE in the afternoon. Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Seas 1 to 2 ft.

Winds and waves 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.