Coastal Storm Impacting the Mid-Atlantic; Remaining Unseasonably Warm in the Central U.S.

A coastal storm will bring widespread rain, gusty winds, shallow coastal flooding, rip currents, large surf and possible areal flooding over the Mid-Atlantic region through Wednesday. Unseasonably warm to hot temperatures persist in the mid to upper Mississippi Valley, Ohio Valley, and into the Great Lakes and Northeast U.S. through Friday. 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: 77 °F
Light Wind
< 1ft
Wednesday
High: 86 °F
E 10kt
< 1ft
Wednesday Night
Low: 77 °F
ESE 10kt
< 1ft
Thursday
High: 85 °F
E 10kt
< 1ft
Thursday Night
Low: 78 °F
ESE 10kt
< 1ft
Friday
High: 86 °F
ENE 10kt
< 1ft
Friday Night
Low: 78 °F
ESE 10kt
< 1ft
Saturday
High: 87 °F
E 10kt
< 1ft
Saturday Night
Low: 78 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:11 pm CDT Sep 16, 2025
Forecast Valid: 4pm CDT Sep 16, 2025-6pm CDT Sep 23, 2025

View Nearby Observations

Detailed Forecast

Tonight

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

Wednesday

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

Wednesday Night

ESE wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

Thursday

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

Thursday Night

ESE wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

Friday

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

Friday Night

ESE wind 5 to 10 kt becoming ENE after midnight. Mostly clear. Seas 1 ft or less.

Saturday

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

Saturday Night

Variable winds 5 kt or less. Mostly clear. 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.