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New Orleans/Baton Rouge, LA Local Forecast Office

19NM SE Grand Isle LA

Marine Zone Forecast

Today

Southwest winds 10 to 15 knots. Seas 1 to 2 feet. Wave detail: southwest 2 feet at 4 seconds.

Tonight

Southwest winds 10 to 15 knots, becoming northwest after midnight. Seas 1 to 2 feet. Wave detail: southwest 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms after midnight.

Saturday

North winds 15 to 20 knots with gusts up to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 4 seconds and west 2 feet at 5 seconds. A chance of showers.

Saturday Night

North winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Gusts up to 35 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 3 feet at 4 seconds. A chance of showers.

Sunday

North winds 20 to 25 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 3 seconds. A slight chance of showers in the morning.

Sunday Night

North winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 1 to 2 feet in the evening, then 1 foot or less. Wave detail: northwest 2 feet at 3 seconds, becoming northwest 1 foot at 3 seconds.

Monday

North winds 5 to 10 knots. Seas 1 foot or less. Wave detail: north 1 foot at 2 seconds.

Monday Night

Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave detail: northeast 1 foot at 2 seconds, becoming northeast 2 feet at 3 seconds.

Tuesday

Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 4 seconds.

Tuesday Night

East winds 10 to 15 knots. Seas around 2 feet. Wave detail: east 2 feet at 3 seconds.

winds and seas higher in and near thunderstorms.

Winds and seas higher in and near thunderstorms.