Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

22NM WNW Grand Isle LA

Marine Point Forecast

[NOTICE]

This Afternoon
High: 90 °F
Light Wind
< 1ft
Tonight
Low: 81 °F
Light Wind
< 1ft
Friday
High: 91 °F
Light Wind
< 1ft
Friday Night
Low: 81 °F
Light Wind
< 1ft
Independence Day
High: 90 °F
Light Wind
< 1ft
Saturday Night
Low: 81 °F
Light Wind
< 1ft
Sunday
High: 89 °F
SSW 10kt
< 1ft
Sunday Night
Low: 81 °F
Light Wind
< 1ft
Monday
High: 90 °F
SSW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:27 am CDT Jul 2, 2026
Forecast Valid: 12pm CDT Jul 2, 2026-6pm CDT Jul 8, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly between 3pm and 4pm. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 7pm. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 11am. Seas 1 ft or less.

Friday Night

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

Independence Day

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

Saturday Night

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

Sunday

WNW wind 5 to 10 kt becoming S in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

Sunday Night

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

Monday

WSW wind 5 to 10 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms. 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.