| 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: 437 PM CST Sat Dec 6 2025 |  |
| Tonight: East winds 5 to 10 knots. Seas 1 to 2 feet this evening, then 1 foot or less. Wave detail: east 1 foot at 4 seconds. A chance of showers. A slight chance of thunderstorms after midnight. Sunday: Northeast winds around 5 knots. Seas 1 foot or less. Wave detail: east 1 foot at 4 seconds. A slight chance of thunderstorms. Showers likely, mainly in the morning. Sunday Night: North winds 10 to 15 knots, increasing to 20 to 25 knots after midnight. Seas 1 to 2 feet, building to 2 to 4 feet, occasionally to 5 feet after midnight. Wave detail: southwest 1 foot at 3 seconds and northeast 1 foot at 4 seconds, becoming northwest 4 feet at 4 seconds and east 1 foot at 3 seconds. A chance of showers, mainly in the evening. Monday: North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 4 feet at 4 seconds. Monday Night: Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 4 seconds. Tuesday: Northeast winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas 1 to 2 feet in the morning, then 1 foot or less. Wave detail: northeast 2 feet at 3 seconds, becoming northeast 1 foot at 4 seconds. Tuesday Night: Southeast winds around 5 knots, becoming south around 5 knots after midnight. Seas 1 foot or less. Wave detail: east 1 foot at 4 seconds. Wednesday: Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 2 seconds and east 1 foot at 5 seconds. Wednesday Night: Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: southwest 2 feet at 4 seconds. Thursday: Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southwest 3 feet at 5 seconds. Thursday Night: Southwest winds around 10 knots, becoming west after midnight. Seas 2 to 3 feet. A slight chance of showers. 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) | |
Visit your local NWS office at: https://www.weather.gov/lix |