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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: 701 AM CDT Thu Sep 4 2025 | ![]() |
Today: North winds 5 to 10 knots, becoming east late. Seas around 2 feet. Tonight: Southeast winds around 5 knots. Seas 1 foot or less. Friday: East winds 5 to 10 knots. Seas 1 foot or less. Friday Night: Southeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers. Saturday: East winds around 5 knots. Seas 1 foot or less. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Saturday Night: East winds around 5 knots. Seas 1 foot or less. A slight chance of showers. Sunday: Northeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Sunday Night: Northeast winds 10 to 15 knots. Seas around 2 feet. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Monday: Northeast winds around 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers and thunderstorms. Monday Night: Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. 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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