| NWS Forecast for: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ552) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 743 PM CDT Sun Mar 29 2026 |  |
| Tonight: East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms late. Monday: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 7 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Monday Night: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Tuesday: Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 7 seconds. Showers likely. A chance of thunderstorms, mainly in the morning. Tuesday Night: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 7 seconds. A chance of showers. A chance of thunderstorms, mainly in the evening. Wednesday: Southeast winds around 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 7 seconds. A chance of showers and thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Wednesday 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 in the evening, then a chance of showers and thunderstorms after midnight. Thursday: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 8 seconds. A chance of showers and thunderstorms. Thursday Night: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers and thunderstorms. Friday: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers and thunderstorms. Friday Night: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ552) | |
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