Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

11NM N Grand Isle LA

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 89 °F
Light Wind
< 1ft
Tonight
Low: 81 °F
NW 10kt
< 1ft
Wednesday
High: 90 °F
NNW 10kt
< 1ft
Wednesday Night
Low: 79 °F
N 10kt
< 1ft
Thursday
High: 84 °F
SSE 10kt
< 1ft
Thursday Night
Low: 80 °F
SSW 10kt
< 1ft
Friday
High: 86 °F
SW 15kt
< 1ft
Friday Night
Low: 82 °F
SSW 10kt
< 1ft
Saturday
High: 86 °F
SSW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:26 pm CDT Jul 15, 2025
Forecast Valid: 4pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025

View Nearby Observations

Detailed Forecast

Late Afternoon

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

Tonight

WSW wind 5 to 10 kt becoming NW after midnight. A slight chance of showers and thunderstorms after 4am. Seas 1 ft or less.

Wednesday

NNW wind 5 to 10 kt becoming S in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.

Wednesday Night

N wind 5 to 10 kt becoming ENE in the evening. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.

Thursday

N wind around 10 kt becoming S in the afternoon. Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Seas 1 ft or less.

Thursday Night

SSW wind around 10 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Friday

SW wind 10 to 15 kt, with gusts as high as 20 kt. Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Seas 1 ft or less.

Friday Night

SSW wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Saturday

SSW wind around 10 kt. Showers and thunderstorms likely. 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.