Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

11NM N Grand Isle LA

Marine Point Forecast

[NOTICE]

Tonight
Low: 83 °F
SSW 15kt
< 1ft
Monday
High: 87 °F
SSW 10kt
< 1ft
Monday Night
Low: 83 °F
SSW 10kt
< 1ft
Tuesday
High: 87 °F
SW 10kt
< 1ft
Tuesday Night
Low: 80 °F
SW 10kt
< 1ft
Wednesday
High: 88 °F
SW 10kt
< 1ft
Wednesday Night
Low: 80 °F
SW 10kt
< 1ft
Thursday
High: 87 °F
SSW 10kt
< 1ft
Thursday Night
Low: 81 °F
SW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:02 pm CDT Jun 21, 2026
Forecast Valid: 10pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind around 15 kt. Mostly cloudy. Seas 1 ft or less.

Monday

SSW wind around 10 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.

Monday Night

SSW wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

SW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Tuesday Night

SW wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

W wind 5 to 10 kt becoming SW in the afternoon. Mostly sunny. Seas 1 ft or less.

Wednesday Night

SW wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Thursday

W wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

SW wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

*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.