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

16NM NE Grand Isle LA

Marine Point Forecast

[NOTICE]

Today
High: 88 °F
E 10kt
< 1ft
Tonight
Low: 83 °F
Light Wind
< 1ft
Friday
High: 89 °F
Light Wind
< 1ft
Friday Night
Low: 82 °F
Light Wind
< 1ft
Independence Day
High: 88 °F
Light Wind
< 1ft
Saturday Night
Low: 82 °F
Light Wind
< 1ft
Sunday
High: 88 °F
Light Wind
< 1ft
Sunday Night
Low: 81 °F
Light Wind
< 1ft
Monday
High: 90 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:57 am CDT Jul 2, 2026
Forecast Valid: 7am CDT Jul 2, 2026-6pm CDT Jul 8, 2026

View Nearby Observations

Detailed Forecast

Today

ENE wind 5 to 10 kt becoming ESE in the afternoon. A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Tonight

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

Friday

Variable winds 5 kt or less. A slight chance of showers and thunderstorms between 1pm and 2pm. 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. Sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 1pm. 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

Variable winds 5 kt or less. 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.