| 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: 201 PM CDT Mon Jul 13 2026 | |
| This Afternoon: North winds around 5 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds and west 1 foot at 4 seconds. A chance of showers and thunderstorms. Tonight: South winds around 5 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Tuesday: Southwest winds around 5 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds and southwest 1 foot at 4 seconds. A chance of showers and thunderstorms. Tuesday Night: South winds around 5 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. Wednesday: South winds around 5 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. Wednesday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds. Thursday: Southeast winds around 5 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. Thursday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 7 seconds. Friday: East winds around 5 knots. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds. Friday Night: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: west 2 feet at 3 seconds and southeast 1 foot at 6 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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