Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]

Today
High: 83 °F
Light Wind
< 1ft
Tonight
Low: 71 °F
Light Wind
< 1ft
Monday
High: 83 °F
Light Wind
< 1ft
Monday Night
Low: 70 °F
NE 10kt
< 1ft
Tuesday
High: 81 °F
NE 10kt
< 1ft
Tuesday Night
Low: 70 °F
Light Wind
< 1ft
Wednesday
High: 83 °F
Light Wind
< 1ft
Wednesday Night
Low: 72 °F
Light Wind
< 1ft
Thursday
High: 85 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:56 am CDT May 10, 2026
Forecast Valid: 8am CDT May 10, 2026-6pm CDT May 16, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly between noon and 4pm. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 3am. Seas 1 ft or less.

Monday

Variable winds 5 kt or less. A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

Monday Night

E wind 5 to 10 kt becoming N in the evening. Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Seas 1 ft or less.

Tuesday

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

Tuesday Night

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

Wednesday

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

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Sunny. 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.