Last Update: 206 PM CDT Sat Jul 18 2026
For More Weather Information:
62NM SW Grand Isle LA
Marine Zone Forecast
This Afternoon
Northwest winds around 10 knots. Seas around 2 feet. Wave detail: north 2 feet at 5 seconds.
Tonight
Northwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northwest 3 feet at 4 seconds and east 1 foot at 6 seconds.
Sunday
Northwest winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 4 feet at 5 seconds.
Sunday Night
Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: northwest 2 feet at 5 seconds and northeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms after midnight.
Monday
Northwest winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 4 feet at 5 seconds. A slight chance of showers and thunderstorms.
Monday Night
West winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave detail: west 2 feet at 5 seconds and northeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.
Tuesday
West winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northwest 3 feet at 4 seconds and northeast 1 foot at 5 seconds. A chance of thunderstorms. A chance of showers.
Tuesday Night
West winds around 15 knots. Seas around 3 feet. Wave detail: west 2 feet at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.
Wednesday
West winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northwest 3 feet at 4 seconds. A chance of showers and thunderstorms, mainly in the morning.
Wednesday Night
West winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: west 3 feet at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.
winds and seas higher in and near thunderstorms.
winds and seas higher in and near thunderstorms.
Winds and seas higher in and near thunderstorms.
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