| NWS Forecast for: Lake Pontchartrain (GMZ531) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 201 PM CDT Thu Apr 16 2026 | |
| This Afternoon: Southeast winds 5 to 10 knots. Seas around 2 feet. Tonight: South winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Friday: South winds around 5 knots, becoming southeast in the afternoon. Seas 1 foot or less, then around 2 feet in the afternoon. Friday Night: South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas around 2 feet. Saturday: South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Saturday Night: South winds 5 to 10 knots, becoming northwest 20 to 25 knots after midnight. Seas around 2 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. A chance of showers with a slight chance of thunderstorms after midnight. Sunday: North winds 25 to 30 knots, becoming northeast 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms in the morning. Sunday Night: Northeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Monday: Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Monday Night: Southeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas 2 to 3 feet. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Lake Pontchartrain (GMZ531) | |
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