| 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 PM CST Sat Nov 14 2026 | |
Tonight: East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 4 seconds. Sunday: East winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 5 seconds. Sunday Night: East winds 25 to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet, building to 7 to 10 feet, occasionally to 13 feet after midnight. Wave detail: east 7 feet at 6 seconds, becoming east 10 feet at 7 seconds. A chance of showers after midnight. Monday: East winds 25 to 30 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave detail: east 11 feet at 8 seconds. Showers. Monday Night: Northeast winds around 30 knots with gusts up to 40 knots. Seas 8 to 11 feet, occasionally to 14 feet, building to 10 to 12 feet, occasionally to 15 feet after midnight. Wave detail: east 11 feet at 8 seconds, becoming east 12 feet at 8 seconds. A chance of showers. Tuesday: East winds 25 to 30 knots. Seas 9 to 12 feet, occasionally to 15 feet. Wave detail: east 12 feet at 9 seconds. A chance of showers. A slight chance of thunderstorms in the afternoon. Tuesday Night: East winds 25 to 30 knots. Seas 9 to 12 feet, occasionally to 15 feet. Wave detail: east 11 feet at 9 seconds. A chance of showers, mainly in the evening. Wednesday: East winds 25 to 30 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave detail: east 10 feet at 9 seconds. A slight chance of showers. Wednesday Night: East winds 25 to 30 knots, diminishing to 20 to 25 knots after midnight. Seas 8 to 10 feet, occasionally to 13 feet. Wave detail: east 9 feet at 9 seconds. Thursday: East winds 20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave detail: east 8 feet at 8 seconds. A slight chance of showers in the afternoon. Thursday Night: East winds 20 to 25 knots. Seas 7 to 8 feet, occasionally to 10 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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