| NWS Forecast for: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ553) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 537 PM CDT Fri Jun 5 2026 | |
| Tonight: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers and thunderstorms. Saturday: South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: south 4 feet at 7 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. Saturday Night: South winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms in the evening. Sunday: Southeast winds around 10 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 6 seconds. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Sunday Night: Southeast winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. Monday: Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 5 seconds. Monday Night: Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. Tuesday: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. Tuesday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. Wednesday: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms. Wednesday Night: Southeast winds 5 to 10 knots. Seas 2 to 3 feet. 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 (GMZ553) | |
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