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New Orleans/Baton Rouge, LA Local Forecast Office

19NM SE Grand Isle LA

Marine Zone Forecast

Today

Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 4 seconds.

Tonight

Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Wave detail: northeast 2 feet at 3 seconds.

Tuesday

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

Tuesday Night

Northwest winds around 5 knots, becoming west after midnight. Seas 1 foot or less, then 1 to 2 feet after midnight. Wave detail: southeast 1 foot at 5 seconds, becoming west 1 foot at 3 seconds and southeast 1 foot at 5 seconds. A slight chance of showers after midnight.

Wednesday

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

Wednesday Night

Northwest winds 20 to 25 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northwest 5 feet at 4 seconds. A slight chance of showers in the evening.

Thursday

North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 3 feet at 2 seconds.

Thursday Night

North winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight. Seas 1 to 2 feet in the evening, then 1 foot or less. Wave detail: north 2 feet at 3 seconds, becoming northeast 1 foot at 2 seconds.

Friday

Northeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave detail: south 1 foot at 2 seconds and northeast 1 foot at 2 seconds.

Friday Night

Southwest winds around 10 knots, becoming northwest after midnight. Seas around 2 feet. Wave detail: west 2 feet at 3 seconds.