| 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: 201 AM CDT Sun Apr 19 2026 |  |
Rest Of Tonight: Northwest winds around 5 knots, becoming north 15 to 20 knots with gusts up to 25 knots late. Seas around 2 feet. Wave detail: northwest 1 foot at 2 seconds and south 1 foot at 5 seconds. A chance of showers and thunderstorms. Sunday: North winds 25 to 30 knots, becoming northeast 20 to 25 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: north 5 feet at 4 seconds and south 1 foot at 5 seconds. A chance of showers and thunderstorms in the morning. Sunday Night: Northeast winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northeast 5 feet at 5 seconds. Monday: East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northeast 5 feet at 5 seconds. Monday Night: East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 7 seconds. Tuesday: East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: southeast 4 feet at 6 seconds. Tuesday Night: Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 7 seconds. Wednesday: Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms. Wednesday Night: Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: south 5 feet at 7 seconds. A slight chance of showers after midnight. Thursday: Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: south 5 feet at 7 seconds. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Thursday Night: Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 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) | |
Visit your local NWS office at: https://www.weather.gov/lix |