Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

4NM SW Grand Isle LA

Marine Point Forecast

[NOTICE]

Tonight
Low: 84 °F
Light Wind
1ft
Tuesday
High: 90 °F
Light Wind
1ft
Tuesday Night
Low: 81 °F
NW 10kt
1ft
Wednesday
High: 91 °F
NNW 10kt
1ft
Wednesday Night
Low: 78 °F
N 10kt
1ft
Thursday
High: 87 °F
WSW 10kt
1ft
Thursday Night
Low: 80 °F
SW 10kt
1ft
Friday
High: 88 °F
SW 15kt
1ft
Friday Night
Low: 82 °F
SSW 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:31 pm CDT Jul 14, 2025
Forecast Valid: 10pm CDT Jul 14, 2025-6pm CDT Jul 21, 2025

View Nearby Observations

Detailed Forecast

Tonight

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

Tuesday

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

Tuesday Night

W wind 5 to 10 kt becoming NW after midnight. A chance of showers and thunderstorms after 1am. Seas around 1 ft.

Wednesday

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

Wednesday Night

W wind 5 to 10 kt becoming N after midnight. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Seas around 1 ft.

Thursday

NNW wind around 10 kt becoming WSW in the afternoon. Showers and possibly a thunderstorm. Seas around 1 ft.

Thursday Night

SW wind around 10 kt. Showers and possibly a thunderstorm. Seas around 1 ft.

Friday

SW wind 10 to 15 kt. Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Seas around 1 ft.

Friday Night

SSW wind around 10 kt. A chance of showers and thunderstorms. 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.