| NWS Forecast for: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 548 PM CDT Sun Mar 15 2026 | |
Tonight: Southwest winds 15 to 20 knots with gusts up to 25 knots, becoming northwest 25 to 30 knots late. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: south 5 feet at 6 seconds and northwest 3 feet at 4 seconds. A chance of showers and thunderstorms late this evening. Showers with thunderstorms likely after midnight. Monday: North winds 25 to 30 knots. Seas 8 to 11 feet, occasionally to 14 feet, building to 9 to 13 feet, occasionally to 17 feet in the afternoon. Wave detail: northwest 10 feet at 6 seconds, becoming northwest 11 feet at 8 seconds. A chance of showers and thunderstorms in the morning. Monday Night: North winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 6 to 8 feet, occasionally to 10 feet after midnight. Wave detail: north 10 feet at 7 seconds, becoming north 6 feet at 7 seconds. Tuesday: North winds 20 to 25 knots, becoming northeast 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet in the afternoon. Wave detail: northeast 6 feet at 6 seconds and west 3 feet at 7 seconds, becoming northeast 5 feet at 6 seconds and southwest 1 foot at 7 seconds. Tuesday Night: Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 4 feet at 5 seconds and southeast 1 foot at 6 seconds. Wednesday: East winds around 10 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 5 seconds. Wednesday Night: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 5 seconds. Thursday: Northeast winds around 5 knots. Seas around 2 feet. Wave detail: east 2 feet at 5 seconds. Thursday Night: Northwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 5 seconds and west 1 foot at 2 seconds. Friday: Northwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 6 seconds and northwest 1 foot at 3 seconds. Friday Night: West winds 5 to 10 knots. Seas around 2 feet. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572) | |
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