Spring Severe Thunderstorms, Excessive Rainfall, and Heavy Snow Today

Scattered severe thunderstorms are expected this afternoon and evening from eastern Texas into the lower Mississippi and Tennessee Valleys/southern Appalachians. Heavy to excessive rainfall may produce flash flooding from the lower Mississippi River Valley into the southern Appalachians today. A late-season snowstorm will continue heavy snow over parts of the central Rockies through today. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

11NM N Grand Isle LA

Marine Point Forecast

[NOTICE]

Today
High: 78 °F
S 10kt
< 1ft
Tonight
Low: 75 °F
SSW 15kt
< 1ft
Thursday
High: 78 °F
SW 10kt
< 1ft
Thursday Night
Low: 72 °F
Light Wind
< 1ft
Friday
High: 76 °F
ESE 10kt
< 1ft
Friday Night
Low: 73 °F
Light Wind
< 1ft
Saturday
High: 77 °F
Light Wind
< 1ft
Saturday Night
Low: 74 °F
Light Wind
< 1ft
Sunday
High: 79 °F
S 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:50 am CDT May 6, 2026
Forecast Valid: 10am CDT May 6, 2026-6pm CDT May 12, 2026

View Nearby Observations

Detailed Forecast

Today

S wind around 10 kt. Partly sunny. Seas 1 ft or less.

Tonight

SSW wind 10 to 15 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

SW wind 5 to 10 kt. A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm. Seas 1 ft or less.

Thursday Night

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

Friday

E wind 5 to 10 kt becoming SSE in the afternoon. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Friday Night

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

Saturday

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

Saturday Night

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

Sunday

S wind 5 to 10 kt. A 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.