| NWS Forecast for: Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm (GMZ575) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1227 PM CDT Thu Mar 12 2026 | |
This Afternoon: North winds 20 to 25 knots with gusts up to 30 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave detail: northwest 9 feet at 8 seconds and east 8 feet at 8 seconds. Tonight: Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 6 to 8 feet, occasionally to 10 feet, subsiding to 4 to 6 feet, occasionally to 8 feet after midnight. Wave detail: north 8 feet at 8 seconds and northwest 5 feet at 7 seconds, becoming northeast 6 feet at 7 seconds and west 1 foot at 7 seconds. Friday: East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds. Friday Night: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 7 seconds. Saturday: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. A slight chance of showers. Saturday Night: Southeast winds around 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 5 seconds. A slight chance of showers and thunderstorms. Sunday: South winds 10 to 15 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 4 seconds. A slight chance of showers. Sunday Night: South winds 10 to 15 knots, becoming southwest 15 to 20 knots after midnight. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. Wave detail: south 3 feet at 5 seconds, becoming southwest 4 feet at 5 seconds. A slight chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Monday: Northwest winds 25 to 30 knots. Seas 8 to 11 feet, occasionally to 14 feet, building to 11 to 15 feet, occasionally to 19 feet in the afternoon. Wave detail: northwest 10 feet at 6 seconds and south 3 feet at 6 seconds, becoming northeast 12 feet at 8 seconds and northwest 12 feet at 8 seconds. A chance of showers and thunderstorms, mainly in the morning. Monday Night: North winds 25 to 30 knots, diminishing to 20 to 25 knots after midnight. Seas 8 to 11 feet, occasionally to 14 feet. Wave detail: northwest 11 feet at 8 seconds and north 9 feet at 8 seconds. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm (GMZ575) | |
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