| 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: 212 AM CST Tue Jan 27 2026 | |
| Rest Of Tonight: Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 5 feet at 6 seconds. Tuesday: Northeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 4 feet at 6 seconds and northwest 1 foot at 5 seconds. Tuesday Night: North winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: northeast 2 feet at 6 seconds. Wednesday: North winds around 10 knots. Seas around 2 feet. Wave detail: northwest 2 feet at 4 seconds and east 2 feet at 6 seconds. Wednesday Night: North winds 5 to 10 knots. Seas around 2 feet. Wave detail: northwest 1 foot at 4 seconds and northeast 1 foot at 5 seconds. Thursday: East winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave detail: northwest 1 foot at 3 seconds and northeast 1 foot at 3 seconds. Thursday Night: Southeast winds 5 to 10 knots, becoming southwest 10 to 15 knots after midnight. Seas around 2 feet. Wave detail: south 2 feet at 4 seconds. A chance of showers after midnight. Friday: Northwest winds 15 to 20 knots, becoming north 20 to 25 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave detail: west 3 feet at 4 seconds, becoming northwest 5 feet at 5 seconds. Showers, mainly in the morning. Friday Night: North winds 25 to 30 knots. Seas 6 to 9 feet, occasionally to 11 feet, building to 8 to 10 feet, occasionally to 13 feet after midnight. Wave detail: north 7 feet at 7 seconds, becoming north 8 feet at 7 seconds. A chance of showers. Saturday: North winds 25 to 30 knots. Seas 8 to 10 feet, occasionally to 13 feet, subsiding to 6 to 9 feet, occasionally to 11 feet in the afternoon. Wave detail: north 8 feet at 7 seconds, becoming north 7 feet at 7 seconds. A chance of showers, mainly in the morning. Saturday Night: North winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers in the evening. | |
| Zone Forecast: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) | |
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