| NWS Forecast for: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1127 PM CST Wed Jan 28 2026 |  |
Rest Of Tonight: North winds around 5 knots. Seas 1 foot or less. Wave detail: northwest 1 foot at 2 seconds. Thursday: East winds around 5 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave detail: northeast 1 foot at 3 seconds. Thursday Night: South winds around 5 knots, becoming west after midnight. Seas 1 foot or less. Wave detail: west 1 foot at 2 seconds and southeast 1 foot at 3 seconds. Friday: Northwest winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northwest 2 feet at 3 seconds. A slight chance of showers in the morning. Friday Night: North winds 20 to 25 knots, increasing to 25 to 30 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet, building to 6 to 9 feet, occasionally to 11 feet after midnight. Wave detail: northwest 5 feet at 5 seconds, becoming northwest 7 feet at 5 seconds. A slight chance of showers in the evening. Saturday: North winds 25 to 30 knots with gusts up to 40 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave detail: north 8 feet at 5 seconds. Saturday Night: North winds 25 to 30 knots, diminishing to 20 to 25 knots after midnight. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Wave detail: north 7 feet at 5 seconds, becoming north 6 feet at 5 seconds. Sunday: North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet in the afternoon. Wave detail: north 5 feet at 5 seconds, becoming north 3 feet at 4 seconds. Sunday Night: Northwest winds around 10 knots. Seas around 2 feet. Wave detail: north 2 feet at 3 seconds. Monday: Northwest winds around 10 knots. Seas around 2 feet. Wave detail: northwest 2 feet at 3 seconds. Monday Night: Northwest winds around 10 knots, becoming north after midnight. Seas 1 foot or less. | |
| Zone Forecast: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555) | |
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