Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Tropical Storm Warning

For More Weather Information:

Lake Charles, LA Local Forecast Office

21NM SE Grand Chenier LA

Marine Point Forecast

[NOTICE]

Today
High: 84 °F
Tropical Storm Conditions Possible
Tonight
Low: 82 °F
SSW 25kt
3-4ft
Thursday
High: 85 °F
S 20kt
3-4ft
Thursday Night
Low: 84 °F
S 15kt
2ft
Juneteenth
High: 85 °F
S 10kt
2ft
Friday Night
Low: 83 °F
S 10kt
2ft
Saturday
High: 84 °F
SSE 10kt
2ft
Saturday Night
Low: 83 °F
SSE 15kt
2ft
Sunday
High: 85 °F
S 15kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:45 am CDT Jun 17, 2026
Forecast Valid: 6am CDT Jun 17, 2026-6pm CDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

...TROPICAL STORM WARNING IN EFFECT...

Today

Tropical storm conditions possible. Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Seas 3 to 5 ft.

Tonight

S wind 15 to 25 kt becoming WSW after midnight. Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Seas 3 to 4 ft.

Thursday

S wind 15 to 20 kt. A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 5pm. Seas 3 to 4 ft.

Thursday Night

S wind around 15 kt. Partly cloudy. Seas around 2 ft.

Juneteenth

S wind around 10 kt. Mostly sunny. Seas around 2 ft.

Friday Night

S wind around 10 kt. Partly cloudy. Seas around 2 ft.

Saturday

SSE wind around 10 kt. Partly sunny. Seas around 2 ft.

Saturday Night

SSE wind 10 to 15 kt. Partly cloudy. Seas around 2 ft.

Sunday

S wind around 15 kt. Mostly sunny. Seas around 2 ft.

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.