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New Orleans/Baton Rouge, LA Local Forecast Office

19NM SE Grand Isle LA

Marine Zone Forecast

Rest Of Today

North winds 15 to 20 knots, increasing to 20 to 25 knots this afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northwest 4 feet at 4 seconds and southeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms late this morning.

Tonight

North winds 25 to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 4 feet at 4 seconds.

Monday

North winds 20 to 25 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 4 feet at 4 seconds.

Monday Night

North winds 20 to 25 knots, becoming northeast 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 4 seconds.

Tuesday

Northeast winds 10 to 15 knots with gusts up to 20 knots, becoming southeast around 5 knots in the afternoon. Seas 1 to 2 feet in the morning, then 1 foot or less. Wave detail: northeast 2 feet at 3 seconds, becoming east 1 foot at 3 seconds.

Tuesday Night

South winds 10 to 15 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave detail: southeast 1 foot at 3 seconds, becoming south 1 foot at 3 seconds.

Wednesday

South winds 5 to 10 knots. Seas 1 to 2 feet in the morning, then 1 foot or less. Wave detail: south 1 foot at 4 seconds.

Wednesday Night

Southeast winds around 5 knots. Seas 1 to 2 feet. Wave detail: southeast 1 foot at 4 seconds.

Thursday

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

Thursday Night

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

winds and seas higher in and near thunderstorms.