Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Small Craft Advisory until June 19, 06:00 AM CDT

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

18NM SE New Orleans LA

Marine Point Forecast

[NOTICE]

This Afternoon
High: 87 °F
S 15kt
1ft
Tonight
Low: 80 °F
S 15kt
1ft
Thursday
High: 89 °F
SSW 20kt
1ft
Thursday Night
Low: 82 °F
SSW 15kt
< 1ft
Juneteenth
High: 90 °F
SSW 10kt
< 1ft
Friday Night
Low: 81 °F
SSW 10kt
< 1ft
Saturday
High: 89 °F
S 10kt
< 1ft
Saturday Night
Low: 80 °F
Light Wind
< 1ft
Sunday
High: 90 °F
SSW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:26 pm CDT Jun 17, 2026
Forecast Valid: 1pm CDT Jun 17, 2026-6pm CDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

This Afternoon

S wind around 15 kt, with gusts as high as 25 kt. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Tonight

S wind around 15 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm. Seas around 1 ft.

Thursday

SSW wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Thursday Night

SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Seas 1 ft or less.

Juneteenth

SSW wind around 10 kt. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Friday Night

SSW wind 5 to 10 kt. A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Seas 1 ft or less.

Saturday

S wind 5 to 10 kt. A slight chance of thunderstorms, then a chance of showers and thunderstorms after 7am. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Sunday

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

Winds and waves 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.