| 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 Thu Jan 22 2026 |  |
Rest Of Tonight: Northeast winds around 5 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 7 seconds. Friday: Northeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 1 to 2 feet, building to 2 to 3 feet in the afternoon. Wave detail: southeast 2 feet at 6 seconds and northeast 1 foot at 2 seconds, becoming northeast 2 feet at 3 seconds and southeast 2 feet at 7 seconds. A chance of showers. Visibility 1 nm or less. Friday Night: East winds 15 to 20 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 4 seconds and southeast 1 foot at 7 seconds. A chance of showers. Saturday: East winds 10 to 15 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave detail: east 3 feet at 5 seconds. A slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon with visibility 1 nm or less. Saturday Night: South winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: south 3 feet at 5 seconds. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Sunday: Southwest winds 15 to 20 knots, becoming west in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: south 4 feet at 6 seconds. A chance of thunderstorms. Showers. Sunday Night: Northwest winds 20 to 25 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northwest 5 feet at 4 seconds and southwest 3 feet at 6 seconds. A slight chance of showers in the evening. Monday: North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 4 feet at 4 seconds and southwest 2 feet at 7 seconds. Monday Night: North winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 4 seconds. Tuesday: Northeast winds 10 to 15 knots, diminishing to 5 to 10 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 3 seconds. Tuesday Night: Northeast winds 5 to 10 knots. Seas 1 foot or less. 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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