Hazardous Weather Conditions
Last Update: 1026 PM CST Sat Feb 21 2026
For More Weather Information:
19NM SE Grand Isle LA
Marine Zone Forecast
Overnight
North winds 15 to 20 knots with gusts up to 25 knots, increasing to 25 to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet. Wave detail: south 3 feet at 7 seconds and northwest 2 feet at 3 seconds, becoming north 5 feet at 4 seconds and southeast 5 feet at 7 seconds. A slight chance of showers late this evening.
Sunday
North winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: northeast 6 feet at 5 seconds.
Sunday Night
North winds 20 to 25 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 4 feet at 4 seconds.
Monday
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: northeast 4 feet at 4 seconds.
Monday Night
North winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 4 seconds.
Tuesday
East winds 5 to 10 knots, becoming south 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.
Tuesday Night
Southwest winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: south 3 feet at 5 seconds.
Wednesday
South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southwest 4 feet at 6 seconds.
Wednesday Night
South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: south 5 feet at 7 seconds. A slight chance of showers.
Thursday
South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: south 4 feet at 7 seconds. A slight chance of showers in the morning, then a chance of showers in the afternoon.
Thursday Night
Southwest winds around 10 knots, becoming northwest after midnight. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers. A slight chance of thunderstorms after midnight.
winds and seas higher in and near thunderstorms.
winds and seas higher in and near thunderstorms.
Additional Forecasts and Information
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