| NWS Forecast for: Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm (GMZ550) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1126 PM CST Tue Nov 25 2025 | |
Rest Of Tonight: Northwest winds 5 to 10 knots, becoming north 10 to 15 knots with gusts up to 20 knots late. Seas 2 to 3 feet. Wave detail: south 2 feet at 6 seconds. Wednesday: North winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 4 seconds and west 2 feet at 4 seconds. Wednesday Night: Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 3 seconds and southeast 1 foot at 7 seconds. Thursday: Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Thursday Night: Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 2 feet at 3 seconds. Friday: Northeast winds 15 to 20 knots with gusts up to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet. Friday Night: East winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Saturday: Southeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 5 seconds. Saturday Night: Southeast winds 15 to 20 knots. Seas 2 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. Sunday: South winds 10 to 15 knots, becoming southeast in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 6 seconds. A chance of thunderstorms in the morning. A chance of showers. Sunday Night: Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm (GMZ550) | |
Visit your local NWS office at: https://www.weather.gov/lix |