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New Orleans/Baton Rouge, LA Local Forecast Office

20NM SSE Grand Isle LA

Marine Zone Forecast

Tonight

South winds around 5 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 2 seconds. A slight chance of thunderstorms early this evening. A slight chance of showers this evening. A slight chance of showers and thunderstorms late.

Saturday

Southwest winds around 5 knots. Seas 1 foot or less. Wave detail: west 1 foot at 2 seconds. A chance of showers and thunderstorms.

Saturday Night

Southwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms with a slight chance of showers after midnight.

Sunday

West winds around 5 knots. Seas 1 foot or less. Wave detail: northwest 1 foot at 2 seconds. A chance of showers and thunderstorms, mainly in the morning.

Sunday Night

West winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight.

Monday

Northwest winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Wave detail: northwest 1 foot at 3 seconds. A chance of showers and thunderstorms.

Monday Night

Southwest winds around 5 knots. Seas 1 foot or less. Wave detail: west 1 foot at 3 seconds. A slight chance of showers and thunderstorms after midnight.

Tuesday

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

Tuesday Night

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

Wednesday

East winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southeast 1 foot at 3 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon.

Wednesday Night

Southeast winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms.

winds and seas higher in and near thunderstorms.

Winds and seas higher in and near thunderstorms.