| 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: 1127 AM CST Mon Jan 19 2026 | |
| This Afternoon: Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: northeast 2 feet at 4 seconds and west 2 feet at 5 seconds. Tonight: East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 4 seconds. Tuesday: East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 5 seconds. Tuesday Night: East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 6 seconds. Wednesday: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds. A slight chance of showers in the afternoon. Wednesday Night: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers in the evening, then showers likely after midnight. Thursday: East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers, mainly in the morning. Thursday Night: East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers. Friday: East winds 10 to 15 knots. Seas around 3 feet. Wave detail: southeast 3 feet at 7 seconds. A chance of showers. Friday Night: East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 6 seconds. A chance of showers. | |
| Zone Forecast: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) | |
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