Severe Storms and Flooding Threat in the Central Plains; Heat Continues in the South and West

Severe thunderstorms may produce damaging winds, large hail, and numerous instances of flash/urban flooding over parts of the central Plains and lower Missouri Valley. Hazardous heat will continue in the South, Desert Southwest and the California Central Valley this weekend. Isolated dry thunderstorms may increase the risk of fire starts and spread across the Four Corners region and vicinity. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]

Overnight
Low: 80 °F
Light Wind
< 1ft
Saturday
High: 87 °F
Light Wind
< 1ft
Saturday Night
Low: 81 °F
Light Wind
< 1ft
Sunday
High: 88 °F
SSW 10kt
< 1ft
Sunday Night
Low: 81 °F
SSW 10kt
< 1ft
Monday
High: 87 °F
SW 10kt
1ft
Monday Night
Low: 80 °F
SSW 10kt
1ft
Tuesday
High: 89 °F
SW 10kt
1ft
Tuesday Night
Low: 79 °F
SSW 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:31 pm CDT Jun 12, 2026
Forecast Valid: 12am CDT Jun 13, 2026-6pm CDT Jun 19, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

SSW wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

Sunday Night

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

Monday

SW wind 5 to 10 kt. Mostly sunny. Seas around 1 ft.

Monday Night

SSW wind around 10 kt. A chance of showers and thunderstorms, mainly after 1am. Seas around 1 ft.

Tuesday

SW wind around 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Seas around 1 ft.

Tuesday Night

SSW wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. 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.