| NWS Forecast for: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 536 AM CDT Thu May 21 2026 |  |
| Today: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds. A slight chance of showers and thunderstorms late. Tonight: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Friday: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the morning. Friday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. Saturday: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Saturday Night: Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. Sunday: Southeast winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. Showers likely with a chance of thunderstorms. Sunday Night: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A chance of showers. A chance of thunderstorms, mainly in the evening. Monday: Southeast winds 10 to 15 knots. Seas around 3 feet. Wave detail: southeast 3 feet at 6 seconds. Showers likely with a chance of thunderstorms. Monday 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. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572) | |
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