| 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: 1127 PM CST Sat Nov 22 2025 | |
| Rest Of Tonight: Northwest winds 5 to 10 knots, becoming north late. Seas 1 to 2 feet. Wave detail: south 1 foot at 5 seconds. Widespread dense fog late this evening. Patchy dense fog late. Sunday: Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: north 1 foot at 3 seconds and southeast 1 foot at 6 seconds. Sunday Night: East winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southeast 1 foot at 5 seconds. Monday: Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 4 seconds. Monday Night: South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 4 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Tuesday: South winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. Tuesday Night: South winds 5 to 10 knots, becoming west after midnight. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Wednesday: North winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: north 2 feet at 3 seconds and southeast 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Wednesday Night: Northeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 4 seconds and southeast 2 feet at 6 seconds. Thursday: Northeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 4 seconds. Thursday Night: Northeast winds 10 to 15 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 (GMZ552) | |
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