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: 1258 PM CDT Sat Jul 12 2025

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New Orleans/Baton Rouge, LA Local Forecast Office

19NM SE Grand Isle LA

Marine Zone Forecast

Today

South winds 5 to 10 knots, becoming southeast this afternoon. Seas 1 foot or less. Wave detail: south 1 foot at 4 seconds. A slight chance of showers and thunderstorms.

Tonight

South winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: south 2 feet at 4 seconds. A slight chance of showers and thunderstorms.

Sunday

South winds around 5 knots. Seas 1 to 2 feet in the morning, then 1 foot or less. Wave detail: south 1 foot at 4 seconds. Thunderstorms likely with a chance of showers.

Sunday Night

South winds around 5 knots. Seas 1 to 2 feet in the evening, then 1 foot or less. Wave detail: southeast 1 foot at 5 seconds, becoming south 1 foot at 4 seconds. A chance of showers and thunderstorms after midnight.

Monday

Southwest winds around 5 knots. Seas 1 foot or less. Wave detail: south 1 foot at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.

Monday Night

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

Tuesday

Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: west 1 foot at 4 seconds and south 1 foot at 5 seconds. A chance of showers and thunderstorms, mainly in the morning.

Tuesday Night

Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 5 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 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.

Wednesday Night

Northeast winds around 5 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 5 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

winds and seas higher in and near thunderstorms.

Winds and seas higher in and near thunderstorms.