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New Orleans/Baton Rouge, LA Local Forecast Office

19NM SE Grand Isle LA

Marine Zone Forecast

Today

Southeast winds around 5 knots, increasing to 5 to 10 knots this afternoon. Seas 1 to 2 feet. Wave detail: south 1 foot at 6 seconds. A slight chance of showers and thunderstorms.

Tonight

Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: south 2 feet at 5 seconds.

Sunday

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

Sunday Night

Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 4 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight.

Monday

East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 5 seconds. Showers with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon.

Monday Night

Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: south 2 feet at 6 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

Tuesday

East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 5 seconds. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon.

Tuesday Night

Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 5 seconds. A chance of showers and thunderstorms.

Wednesday

East winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.

Wednesday Night

Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 7 seconds. A chance of showers and thunderstorms.

winds and seas higher in and near thunderstorms.

Winds and seas higher in and near thunderstorms.