Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Thursday

A Moderate Risk (Level 3 of 4) Excessive Rainfall Outlook and Flood Watches have been issued for portions of east Texas into Louisiana Thursday where flash, urban, and riverine flooding is possible. A Slight Risk (Level 2 of 5) for scattered severe thunderstorms has been issued from west Texas to the lower Mississippi Valley Thursday afternoon into Thursday night. Read More >

Hazardous Weather Conditions

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]

Friday
High: 85 °F
S 15kt
1ft
Friday Night
Low: 71 °F
S 10kt
1ft
Saturday
High: 83 °F
SSW 10kt
1ft
Saturday Night
Low: 73 °F
Light Wind
< 1ft
Sunday
High: 87 °F
Light Wind
< 1ft
Sunday Night
Low: 74 °F
Light Wind
< 1ft
Monday
High: 85 °F
Light Wind
< 1ft
Monday Night
Low: 75 °F
Light Wind
< 1ft
Tuesday
High: 85 °F
SSE 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:01 am CDT May 17, 2024
Forecast Valid: 2am CDT May 17, 2024-6pm CDT May 23, 2024

View Nearby Observations

Detailed Forecast

Friday

S wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Seas around 1 ft.

Friday Night

S wind around 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Some of the storms could be severe. Seas around 1 ft.

Saturday

SSE wind around 10 kt becoming SW in the morning. Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Seas around 1 ft.

Saturday Night

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

Sunday

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

Sunday Night

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

Monday

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

Monday Night

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

Tuesday

SSE wind 5 to 10 kt. Sunny. Seas 1 ft or less.

*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.