| NWS Forecast for: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1128 AM CST Wed Mar 4 2026 |  |
| This Afternoon: East winds around 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 6 seconds. Tonight: Southeast winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 7 seconds. Thursday: East winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the afternoon. Thursday Night: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Friday: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Friday Night: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms in the evening. Saturday: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A slight chance of showers in the afternoon. Saturday Night: Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers in the evening. Sunday: Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 8 seconds. A slight chance of showers in the afternoon. Sunday Night: Southeast winds around 5 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 8 seconds. A slight chance of showers in the evening. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555) | |
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