| NWS Forecast for: Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm (GMZ575) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1221 PM CDT Wed Mar 11 2026 |  |
This Afternoon: South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: south 4 feet at 6 seconds. Tonight: South winds 10 to 15 knots with gusts up to 20 knots, becoming southwest 20 to 25 knots with gusts up to 30 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave detail: south 4 feet at 7 seconds, becoming southwest 5 feet at 6 seconds. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Thursday: Northwest winds 25 to 30 knots, becoming north in the afternoon. Seas 6 to 7 feet, occasionally to 9 feet, building to 8 to 11 feet, occasionally to 14 feet in the afternoon. Wave detail: southwest 7 feet at 7 seconds, becoming northwest 10 feet at 8 seconds and north 9 feet at 7 seconds. A chance of showers and thunderstorms in the morning. Thursday Night: Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Wave detail: north 9 feet at 8 seconds and west 6 feet at 8 seconds, becoming northeast 7 feet at 7 seconds and southwest 2 feet at 8 seconds. Friday: East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 4 feet at 7 seconds and south 1 foot at 7 seconds. Friday Night: East winds around 5 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 7 seconds. Saturday: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. Saturday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight. Sunday: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 4 seconds. A slight chance of showers in the morning. Sunday Night: South winds 5 to 10 knots, becoming southwest 10 to 15 knots after midnight. Seas around 2 feet. Wave detail: southwest 2 feet at 4 seconds. A chance of showers and thunderstorms after midnight. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm (GMZ575) | |
Visit your local NWS office at: https://www.weather.gov/lix |