Special Marine Warning Issued for Lake Maurepas and Lake Pontchartrain
This alert is no longer in effect.
NOAA issued it on May 3, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Special Marine Warning is in effect for Lake Maurepas and Lake Pontchartrain until 6:45 AM CDT on April 25, 2026, due to possible waterspouts and wind gusts up to 40 knots.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Southeastern Louisiana
- Issued
- May 3, 2026
- Issuing authority
- NWS New Orleans LA
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Southeastern Louisiana.
Special Marine Warning Alert
Alert Details
The National Weather Service in New Orleans has issued a Special Marine Warning. It is effective from 5:50 AM CDT until 6:45 AM CDT on April 25, 2026.
Affected Areas
The warning affects Lake Maurepas and Lake Pontchartrain, including locations such as Mandeville, The Mid Point Of The Causeway Bridge, Manchac, and Kenner.
What You Should Do
Strong winds will be dangerous for boaters. Make sure all on board are wearing life jackets and seek shelter or move to safe harbor until hazardous weather passes. If caught on the open water, stay below deck if possible and keep away from ungrounded metal objects.
Expected Conditions
Hazards include waterspouts and wind gusts to 40 knots. A cluster of severe thunderstorms is located along a line extending from Lake Maurepas to 11 nm southwest of Manchac to 24 nm northwest of Kenner, moving southeast at 25 knots.
Timeline
The alert is effective from 5:50 AM CDT on April 25, 2026, and expires at 6:45 AM CDT on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,037 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 3, 2026.
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