| 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: 1122 PM CST Wed Dec 3 2025 |  |
| Rest Of Tonight: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 4 seconds. A chance of showers. A slight chance of thunderstorms late. Thursday: Southeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. Thursday Night: South winds 10 to 15 knots, becoming west after midnight. Seas around 3 feet. Wave detail: south 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. Friday: North winds 10 to 15 knots. Seas around 3 feet. Wave detail: northwest 2 feet at 4 seconds and southeast 2 feet at 6 seconds. Showers with a slight chance of thunderstorms. Friday Night: Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: northeast 2 feet at 5 seconds and southwest 1 foot at 5 seconds. Showers likely. Saturday: Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: northeast 2 feet at 4 seconds and south 1 foot at 5 seconds. Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Saturday Night: East winds around 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave detail: east 2 feet at 4 seconds and south 2 feet at 5 seconds. Showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Sunday: Northwest winds around 10 knots. Seas 2 to 3 feet. Wave detail: northwest 2 feet at 3 seconds and south 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Sunday Night: North winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. Wave detail: north 3 feet at 4 seconds and south 1 foot at 5 seconds, becoming northwest 4 feet at 5 seconds and east 3 feet at 5 seconds. A chance of showers, mainly in the evening. Monday: North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: north 4 feet at 6 seconds. Monday Night: Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. 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) | |
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