| NWS Forecast for: Lake Pontchartrain and Lake Maurepas (GMZ530) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1127 PM CST Sat Dec 27 2025 | |
Rest Of Tonight: South winds 5 to 10 knots. Waves around 2 feet. Patchy dense fog. Widespread dense fog late. Sunday: South winds 5 to 10 knots. Waves around 2 feet. Widespread dense fog in the morning, then patchy dense fog in the afternoon. A slight chance of showers in the afternoon. Sunday Night: South winds around 10 knots, becoming west 15 to 20 knots with gusts up to 25 knots after midnight. Waves 2 to 4 feet. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Areas of fog. Monday: North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Waves 3 to 5 feet. Monday Night: North winds 20 to 25 knots with gusts up to 30 knots. Waves 4 to 5 feet. Tuesday: North winds 15 to 20 knots with gusts up to 25 knots, diminishing to 10 to 15 knots in the afternoon. Waves 2 to 4 feet. Tuesday Night: North winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Waves 2 to 3 feet. Wednesday: North winds around 5 knots, becoming west in the afternoon. Waves 1 foot or less. Wednesday Night: West winds 5 to 10 knots. Waves 1 foot or less. A slight chance of showers. Thursday: West winds around 5 knots. Waves 1 foot or less. Thursday Night: Southwest winds around 5 knots. Waves 1 foot or less. winds and waves higher in and near thunderstorms. | |
| Zone Forecast: Lake Pontchartrain and Lake Maurepas (GMZ530) | |
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