


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: 306 PM CDT Wed Apr 2 2025 | ![]() |
Tonight: Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: south 6 feet at 8 seconds. Thursday: Southeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: south 6 feet at 8 seconds. Thursday Night: Southeast winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 8 seconds. Friday: Southeast winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 8 seconds. Friday Night: Southeast winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: southeast 6 feet at 8 seconds. Saturday: Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: southeast 6 feet at 8 seconds. Saturday Night: South winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: south 5 feet at 9 seconds. A slight chance of showers in the evening, then a chance of showers and thunderstorms after midnight. Sunday: West winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: south 5 feet at 8 seconds. A chance of thunderstorms. Showers. Sunday Night: Northwest winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: south 5 feet at 8 seconds and northwest 3 feet at 4 seconds. Showers likely with a chance of thunderstorms. Monday: North winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds and northwest 3 feet at 3 seconds. A chance of showers and thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Monday Night: North winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms in the evening. 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) | |
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