| NWS Forecast for: Lake Pontchartrain and Lake Maurepas (GMZ530) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 437 PM CST Thu Jan 8 2026 |  |
| Tonight: South winds 10 to 15 knots with gusts up to 20 knots. Waves 2 to 4 feet. A chance of showers. A slight chance of thunderstorms late this evening. A slight chance of thunderstorms late. Friday: South winds 10 to 15 knots. Waves 2 to 3 feet. A chance of thunderstorms. Showers. Friday Night: South winds 10 to 15 knots with gusts up to 20 knots. Waves 2 to 4 feet. Showers with a chance of thunderstorms. Saturday: West winds 10 to 15 knots, becoming northwest with gusts up to 20 knots in the afternoon. Waves 2 to 3 feet. Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Saturday Night: North winds 20 to 25 knots with gusts up to 30 knots. Waves 3 to 5 feet. A slight chance of showers in the evening. Sunday: North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Waves 3 to 4 feet. Sunday Night: North winds 15 to 20 knots with gusts up to 25 knots. Waves 3 to 4 feet. Monday: Northeast winds 10 to 15 knots, becoming north around 5 knots in the afternoon. Waves 2 to 3 feet in the morning, then 1 foot or less. Monday Night: North winds around 5 knots. Waves 1 foot or less. Tuesday: Northeast winds around 5 knots, becoming southwest in the afternoon. Waves 1 foot or less. Tuesday Night: Southwest winds around 5 knots, becoming west after midnight. Waves 1 foot or less, then 1 to 2 feet after midnight. A slight chance of showers in the evening, then a chance of showers after midnight. winds and waves higher in and near thunderstorms. | |
| Zone Forecast: Lake Pontchartrain and Lake Maurepas (GMZ530) | |
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