19NM SE Grand Isle LA

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

North winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet in the afternoon. Wave detail: northwest 2 feet at 3 seconds and southeast 1 foot at 5 seconds, becoming northwest 4 feet at 4 seconds and east 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the morning.

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 4 feet at 4 seconds.

Northeast winds 10 to 15 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.

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 3 seconds, becoming southeast 1 foot at 4 seconds.