Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

18NM ESE Slidell LA

Marine Point Forecast

[NOTICE]

Overnight
Low: 87 °F
W 10kt
1-2ft
Wednesday
High: 90 °F
NNW 10kt
1-2ft
Wednesday Night
Low: 85 °F
SSW 10kt
1-2ft
Thursday
High: 85 °F
ESE 20kt
3-4ft
Thursday Night
Low: 83 °F
SE 15kt
3-4ft
Friday
High: 86 °F
SSW 15kt
3-4ft
Friday Night
Low: 84 °F
SSW 15kt
2-3ft
Saturday
High: 86 °F
SW 10kt
1-2ft
Saturday Night
Low: 83 °F
S 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:31 pm CDT Jul 15, 2025
Forecast Valid: 11pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025

View Nearby Observations

Detailed Forecast

Overnight

W wind around 10 kt. Partly cloudy. Seas 1 to 2 ft.

Wednesday

NNW wind 5 to 10 kt becoming SE in the afternoon. A chance of showers and thunderstorms, mainly after 3pm. Seas 1 to 2 ft.

Wednesday Night

S wind 5 to 10 kt becoming N after midnight. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Seas 1 to 2 ft.

Thursday

NE wind 15 to 20 kt becoming ESE in the afternoon. Showers and thunderstorms likely before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. Seas 3 to 4 ft.

Thursday Night

SE wind around 15 kt becoming S after midnight. Showers and possibly a thunderstorm. Seas 3 to 4 ft.

Friday

SSW wind around 15 kt, with gusts as high as 20 kt. Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. Seas 3 to 4 ft.

Friday Night

SSW wind 10 to 15 kt. Showers and thunderstorms likely, mainly before 7pm. Seas 2 to 3 ft.

Saturday

SW wind 5 to 10 kt. Showers and thunderstorms. Seas 1 to 2 ft.

Saturday Night

S wind 5 to 10 kt becoming WSW after midnight. Partly cloudy. Seas 1 to 2 ft.

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.