| 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: 632 PM CDT Mon Jul 27 2026 |  |
| Tonight: West winds 10 to 15 knots. Seas around 2 feet. Wave detail: west 2 feet at 4 seconds. Tuesday: West winds 10 to 15 knots. Seas around 2 feet. Wave detail: west 2 feet at 4 seconds. Tuesday Night: West winds 10 to 15 knots. Seas around 2 feet. Wave detail: west 2 feet at 4 seconds. Wednesday: West winds 10 to 15 knots. Seas around 2 feet. Wave detail: west 2 feet at 4 seconds. Wednesday Night: West winds 10 to 15 knots. Seas around 2 feet. Wave detail: west 2 feet at 4 seconds. Thursday: West winds 10 to 15 knots. Seas around 2 feet. Wave detail: southwest 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the morning. Thursday Night: Southwest winds 10 to 15 knots. Seas around 2 feet. Wave detail: southwest 2 feet at 4 seconds. A slight chance of showers and thunderstorms after midnight. Friday: West winds 10 to 15 knots. Seas around 2 feet. Wave detail: west 2 feet at 3 seconds and south 2 feet at 6 seconds. A slight chance of showers and thunderstorms. Friday Night: Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southwest 3 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. Saturday: Southwest winds around 15 knots. Seas around 3 feet. Wave detail: southwest 3 feet at 4 seconds and south 1 foot at 7 seconds. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Saturday Night: Southwest winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. 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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