Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Last Update: 101 PM CDT Fri Jul 11 2025

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New Orleans/Baton Rouge, LA Local Forecast Office

62NM SW Grand Isle LA

Marine Zone Forecast

Tonight

South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave detail: south 1 foot at 5 seconds, becoming south 2 feet at 3 seconds and southeast 1 foot at 6 seconds. A slight chance of showers early this evening. A slight chance of showers after midnight.

Saturday

Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon.

Saturday Night

Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.

Sunday

Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. Thunderstorms likely. Showers.

Sunday Night

South winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms after midnight.

Monday

Southwest winds around 5 knots. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.

Monday Night

Southwest winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave detail: south 2 feet at 6 seconds, becoming south 1 foot at 5 seconds. A slight chance of showers and thunderstorms after midnight.

Tuesday

Northwest winds around 5 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 5 seconds and southeast 1 foot at 8 seconds. A chance of showers and thunderstorms.

Tuesday Night

West winds around 5 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 5 seconds and southeast 1 foot at 8 seconds. A chance of showers and thunderstorms after midnight.

Wednesday

North winds 5 to 10 knots. Seas 1 foot or less. Wave detail: northwest 1 foot at 4 seconds and southeast 1 foot at 7 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.

Wednesday Night

Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight.

winds and seas higher in and near thunderstorms.

Winds and seas higher in and near thunderstorms.