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New Orleans/Baton Rouge, LA Local Forecast Office

19NM SE Grand Isle LA

Marine Zone Forecast

This Afternoon

Northeast winds around 5 knots. Seas 1 to 2 feet. Wave detail: northwest 1 foot at 2 seconds and south 1 foot at 5 seconds. Widespread dense fog early.

Tonight

Northeast winds around 5 knots. Seas 1 to 2 feet. Wave detail: south 1 foot at 6 seconds. Patchy dense fog in the evening. Areas of dense fog after midnight.

Friday

East winds around 5 knots. Seas 1 foot or less. Wave detail: south 1 foot at 5 seconds. Patchy fog in the morning.

Friday Night

East winds 5 to 10 knots. Seas 1 foot or less, then 1 to 2 feet after midnight. Wave detail: southeast 1 foot at 4 seconds, becoming southeast 1 foot at 3 seconds.

Saturday

Southeast winds around 10 knots, increasing to 15 to 20 knots with gusts up to 25 knots in the afternoon. Seas 1 to 2 feet, building to 2 to 3 feet in the afternoon. Wave detail: southeast 2 feet at 4 seconds, becoming southeast 3 feet at 4 seconds. A slight chance of showers in the morning, then a chance of showers in the afternoon.

Saturday Night

South winds 20 to 25 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: south 6 feet at 5 seconds. A chance of showers in the evening, then showers with a chance of thunderstorms after midnight.

Sunday

West winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: southwest 6 feet at 7 seconds. Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

Sunday Night

Northwest winds 15 to 20 knots, becoming north 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: southwest 4 feet at 7 seconds and northwest 2 feet at 2 seconds. A slight chance of showers in the evening.

Monday

North winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave detail: north 2 feet at 3 seconds and southwest 2 feet at 7 seconds.

Monday Night

East winds around 5 knots. Seas 1 to 2 feet. Wave detail: south 2 feet at 7 seconds.

winds and seas higher in and near thunderstorms.

Winds and seas higher in and near thunderstorms.