| 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: 437 AM CST Sun Jan 18 2026 | |
Today: North winds 20 to 25 knots with gusts up to 30 knots, becoming northwest 10 to 15 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 2 to 4 feet, occasionally to 5 feet this afternoon. Wave detail: north 5 feet at 5 seconds, becoming north 3 feet at 4 seconds. Tonight: Northwest winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: north 2 feet at 3 seconds. Monday: North winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: north 2 feet at 3 seconds. Monday Night: Northeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 2 to 3 feet. Wave detail: northeast 2 feet at 3 seconds. Tuesday: Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 4 seconds. Tuesday Night: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east 2 feet at 4 seconds. Wednesday: East winds around 10 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 6 seconds. Wednesday Night: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 6 seconds. A chance of showers. Thursday: Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 5 seconds. A chance of showers, mainly in the morning. Thursday Night: East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers in the evening. | |
| Zone Forecast: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555) | |
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