Coastal Waters Forecast for Lake Pontchartrain (GMZ531) (Text-Only)
NWS Forecast for: Lake Pontchartrain (GMZ531)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 240 AM CDT Sat Aug 1 2026


Today: West winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet.

Tonight: Southwest winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers and thunderstorms after midnight.

Sunday: West winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. A chance of showers and thunderstorms in the morning.

Sunday Night: Northwest winds 5 to 10 knots, becoming north after midnight. Seas 1 foot or less.

Monday: North winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less.

Monday Night: Southwest winds 5 to 10 knots. Seas 1 foot or less.

Tuesday: West winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. A slight chance of showers and thunderstorms in the afternoon.

Tuesday Night: Southwest winds 5 to 10 knots. Seas 1 foot or less.

Wednesday: West winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. A slight chance of showers and thunderstorms.

Wednesday Night: South winds 5 to 10 knots, becoming southwest after midnight. Seas 1 foot or less.

winds and seas higher in and near thunderstorms.







Zone Forecast: Lake Pontchartrain (GMZ531)

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