| 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: 537 AM CDT Mon Apr 6 2026 | |
Today: Northeast winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 6 seconds. Showers with a slight chance of thunderstorms early this morning, then a chance of showers late this morning and afternoon. Tonight: Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: northeast 5 feet at 4 seconds. Tuesday: Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 7 feet at 7 seconds. Tuesday Night: East winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 7 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. Wednesday: East winds 20 to 25 knots, increasing to 25 to 30 knots in the afternoon. Seas 7 to 10 feet, occasionally to 13 feet. Wave detail: east 10 feet at 8 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Wednesday Night: East winds 25 to 30 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave detail: east 10 feet at 8 seconds. Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Thursday: East winds 25 to 30 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave detail: east 10 feet at 9 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Thursday Night: East winds 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave detail: east 8 feet at 8 seconds. A slight chance of showers and thunderstorms. Friday: East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 7 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms. Friday Night: East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 6 feet at 7 seconds. A slight chance of showers. 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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