| NWS Forecast for: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 437 AM CST Sat Mar 7 2026 |  |
| Today: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms early this morning. A slight chance of showers and thunderstorms early this afternoon, then a chance of showers and thunderstorms late. Tonight: Southeast winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers and thunderstorms, mainly in the evening. Sunday: Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 8 seconds. A chance of showers and thunderstorms. Sunday Night: Southeast winds 5 to 10 knots. Seas around 3 feet. Wave detail: southeast 3 feet at 8 seconds and southwest 1 foot at 5 seconds. A slight chance of showers in the evening. Monday: Southeast winds 5 to 10 knots. Seas around 3 feet. Wave detail: south 3 feet at 6 seconds. Monday Night: Southeast winds 5 to 10 knots. Seas around 3 feet. Wave detail: south 3 feet at 6 seconds. Tuesday: Southeast winds 10 to 15 knots. Seas around 3 feet. Wave detail: south 3 feet at 6 seconds. Tuesday Night: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 6 seconds. Wednesday: South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms in the afternoon. Wednesday Night: Southwest winds 15 to 20 knots, becoming northwest 25 to 30 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet, building to 5 to 8 feet, occasionally to 10 feet after midnight. Wave detail: south 5 feet at 6 seconds, becoming west 7 feet at 5 seconds and 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 Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) | |
Visit your local NWS office at: https://www.weather.gov/lix |