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New Orleans/Baton Rouge, LA Local Forecast Office

62NM SW Grand Isle LA

Marine Zone Forecast

This Afternoon

Southeast winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds.

Tonight

Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds.

Sunday

East winds 5 to 10 knots, becoming northeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas around 3 feet. Wave detail: east 3 feet at 6 seconds and northeast 2 feet at 3 seconds.

Sunday Night

Northeast winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave detail: east 4 feet at 5 seconds and southeast 1 foot at 8 seconds, becoming east 5 feet at 5 seconds and southeast 4 feet at 9 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.

Monday

East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

Monday Night

South winds around 15 knots with gusts up to 20 knots, becoming west with gusts up to 30 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southwest 4 feet at 5 seconds and east 4 feet at 7 seconds. A chance of thunderstorms. Showers.

Tuesday

Northwest winds 20 to 25 knots, becoming north 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: north 6 feet at 6 seconds and southeast 3 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms in the morning.

Tuesday Night

North winds 15 to 20 knots, becoming northeast 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 4 feet at 5 seconds and southeast 2 feet at 7 seconds.

Wednesday

East winds around 10 knots. Seas 2 to 3 feet. Wave detail: north 2 feet at 4 seconds and southeast 1 foot at 7 seconds.

Wednesday Night

East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east 2 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight.

winds and seas higher in and near thunderstorms.

Winds and seas higher in and near thunderstorms.