| NWS Forecast for: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ552) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1128 AM CST Sat Mar 7 2026 | |
| This Afternoon: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 7 seconds. A chance of showers and thunderstorms. Tonight: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 7 seconds. A chance of showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight with visibility 1 nm or less. Sunday: Southeast winds around 5 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 8 seconds. A chance of showers. A chance of thunderstorms. Sunday Night: South winds around 5 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 7 seconds. Monday: Southeast winds around 5 knots. Seas 1 to 2 feet. Wave detail: south 2 feet at 6 seconds. Monday Night: Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: south 2 feet at 6 seconds. Tuesday: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds. Tuesday Night: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 2 seconds. Wednesday: South winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: south 4 feet at 6 seconds and south 3 feet at 3 seconds. A chance of showers and thunderstorms in the afternoon. Wednesday Night: West winds 15 to 20 knots, becoming north 30 to 35 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northwest 5 feet at 5 seconds and south 3 feet at 7 seconds. Showers likely with a chance of thunderstorms. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ552) | |
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