| 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: 436 AM CST Fri Nov 28 2025 | |
Today: Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: northeast 7 feet at 7 seconds. Tonight: East winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 6 feet at 6 seconds. Saturday: Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds. Saturday Night: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds. A slight chance of showers after midnight. Sunday: Southeast winds 5 to 10 knots, becoming northeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas around 3 feet. Wave detail: east 3 feet at 7 seconds. A chance of showers. Sunday Night: Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 6 feet, occasionally to 8 feet after midnight. Wave detail: northeast 5 feet at 6 seconds, becoming northeast 6 feet at 6 seconds. A chance of showers. Monday: East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 6 feet at 7 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. Monday Night: South winds 15 to 20 knots, becoming northwest after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 7 seconds. A slight chance of thunderstorms. Showers. Tuesday: North winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: northeast 4 feet at 6 seconds. A chance of showers, mainly in the morning. Tuesday Night: North winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet after midnight. Wave detail: northeast 3 feet at 6 seconds, becoming northeast 3 feet at 5 seconds. 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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