| NWS Forecast for: Lake Pontchartrain and Lake Maurepas (GMZ530) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 726 AM CST Sun Jan 25 2026 |  |
Today: Southwest winds 20 to 25 knots with gusts up to 30 knots, becoming northwest with gusts up to 30 knots late this morning, then diminishing to 15 to 20 knots with gusts up to 30 knots this afternoon. Waves 3 to 4 feet. Showers with a chance of thunderstorms this morning, then a chance of showers early this afternoon. Tonight: North winds 20 to 25 knots with gusts up to 30 knots. Waves 4 to 5 feet. Monday: North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Waves 3 to 4 feet. Monday Night: North winds 15 to 20 knots with gusts up to 25 knots, diminishing to 10 to 15 knots after midnight. Waves 2 to 4 feet. Tuesday: North winds 5 to 10 knots, becoming northwest in the afternoon. Waves 1 to 2 feet in the morning, then 1 foot or less. Tuesday Night: Northwest winds 5 to 10 knots. Waves 1 foot or less. Wednesday: Northwest winds 5 to 10 knots. Waves 1 foot or less. Wednesday Night: North winds 5 to 10 knots. Waves around 2 feet. Thursday: North winds 5 to 10 knots, becoming east in the afternoon. Waves 1 to 2 feet in the morning, then 1 foot or less. Thursday Night: East winds 5 to 10 knots, becoming northeast 10 to 15 knots after midnight. Waves 2 to 3 feet. winds and waves higher in and near thunderstorms. | |
| Zone Forecast: Lake Pontchartrain and Lake Maurepas (GMZ530) | |
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