| 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 Wed Dec 3 2025 |  |
| Today: Northeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 5 seconds. Tonight: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 3 seconds and southeast 1 foot at 6 seconds. A chance of showers after midnight. Thursday: East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 4 seconds. Showers likely in the morning, then showers with a slight chance of thunderstorms in the afternoon. Thursday Night: East winds 15 to 20 knots, becoming southeast after midnight. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 2 to 4 feet, occasionally to 5 feet after midnight. Wave detail: east 6 feet at 6 seconds, becoming east 4 feet at 6 seconds. A slight chance of thunderstorms. Showers. Friday: West winds around 15 knots, becoming northwest in the afternoon. Seas 2 to 3 feet. Wave detail: east 3 feet at 6 seconds and north 2 feet at 3 seconds. A slight chance of thunderstorms. Showers. Friday Night: North winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave detail: north 2 feet at 3 seconds and south 2 feet at 5 seconds. Showers. Saturday: Northeast winds around 10 knots. Seas around 2 feet. Wave detail: northeast 2 feet at 3 seconds and south 1 foot at 5 seconds. Showers. A slight chance of thunderstorms in the afternoon. Saturday Night: Northeast winds around 10 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 4 seconds and southeast 3 feet at 5 seconds. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Sunday: North winds around 10 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 5 seconds and south 1 foot at 5 seconds. A slight chance of thunderstorms in the morning. A slight chance of showers. Sunday Night: North winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 3 seconds and east 2 feet at 5 seconds. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555) | |
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