Severe Thunderstorms, Excessive Rain and Heat Hazards

A Moderate Risk of severe thunderstorms (level 4 of 5) is in the outlook across portions of the Midwest today. Damaging winds, a few tornadoes and frequent lightning with heavy rainfall are in the forecast. Meanwhile, dangerous heat across the southern Plains into the Great Lakes, mid-Atlantic and Northeast will expand into Friday. Risk for wildfires for the central Rockies and Sacramento Valley. Read More >

Coastal Waters Forecast for Lake Pontchartrain (GMZ531) (Text-Only)
NWS Forecast for: Lake Pontchartrain (GMZ531)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 537 PM CDT Thu Jun 11 2026
Print


Tonight: Southeast winds 5 to 10 knots, becoming south after midnight, then becoming southwest late. Seas around 2 feet this evening, then 1 foot or less.

Friday: Southwest winds around 5 knots, becoming southeast in the afternoon. Seas 1 foot or less. A slight chance of showers and thunderstorms in the afternoon.

Friday Night: Southwest winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less.

Saturday: West winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. A slight chance of showers and thunderstorms in the afternoon.

Saturday Night: Southwest winds 5 to 10 knots. Seas 1 to 2 feet.

Sunday: Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms in the afternoon.

Sunday Night: Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. A chance of showers.

Monday: Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon.

Monday Night: Southwest winds around 10 knots. Seas around 2 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

Tuesday: Southwest winds 5 to 10 knots. Seas around 2 feet. Showers. A chance of thunderstorms in the morning, then thunderstorms in the afternoon.

Tuesday Night: Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

winds and seas higher in and near thunderstorms.







Zone Forecast: Lake Pontchartrain (GMZ531)

Visit your local NWS office at: https://www.weather.gov/lix