Coastal Waters Forecast for Lake Pontchartrain and Lake Maurepas (GMZ530) (Text-Only)
NWS Forecast for: Lake Pontchartrain and Lake Maurepas (GMZ530)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 1021 AM CDT Mon Mar 31 2025
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Rest Of Today: Southwest winds 10 to 15 knots, becoming west 5 to 10 knots late. Waves 2 to 3 feet. Showers and thunderstorms late this morning, then a slight chance of showers early this afternoon.

Tonight: West winds around 5 knots, becoming northeast after midnight. Waves 1 foot or less, then around 2 feet after midnight.

Tuesday: East winds 5 to 10 knots. Waves around 2 feet.

Tuesday Night: Southeast winds 10 to 15 knots, becoming south 15 to 20 knots after midnight. Waves 2 to 4 feet.

Wednesday: South winds 20 to 25 knots with gusts up to 30 knots. Waves around 4 feet.

Wednesday Night: Southeast winds 15 to 20 knots with gusts up to 25 knots. Waves around 4 feet.

Thursday: South winds 15 to 20 knots. Waves around 4 feet.

Thursday Night: Southeast winds 15 to 20 knots. Waves 3 to 4 feet.

Friday: Southeast winds 15 to 20 knots. Waves 3 to 4 feet. A slight chance of showers and thunderstorms in the afternoon.

Friday Night: Southeast winds around 15 knots. Waves 3 to 4 feet.

winds and waves higher in and near thunderstorms.







Zone Forecast: Lake Pontchartrain and Lake Maurepas (GMZ530)

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