Last Update: 536 AM CDT Wed Apr 15 2026
For More Weather Information:
19NM SE Grand Isle LA
Marine Zone Forecast
Today
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 7 seconds.
Tonight
Southeast winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 7 seconds.
Thursday
South winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 7 seconds.
Thursday Night
South winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 7 seconds.
Friday
Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 6 seconds.
Friday Night
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds.
Saturday
South winds 5 to 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet in the afternoon. Wave detail: southeast 2 feet at 6 seconds, becoming southeast 2 feet at 5 seconds.
Saturday Night
South winds 5 to 10 knots, becoming west 10 to 15 knots after midnight. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers after midnight.
Sunday
North winds 20 to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 4 seconds and south 2 feet at 6 seconds. A slight chance of showers and thunderstorms in the morning.
Sunday Night
Northeast winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 5 seconds and northeast 3 feet at 2 seconds.
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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