Special Marine Warning for Lake Pontchartrain
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NWS New Orleans has issued a Special Marine Warning for Lake Pontchartrain until 11:30 PM CDT due to a severe thunderstorm capable of producing waterspouts.
This weather record, quickly
- Record type
- Special Marine Warning
- Affected area
- Lake Pontchartrain
- Issued
- September 22, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in New Orleans for Lake Pontchartrain. The alert is effective from 10:54 PM CDT on September 21, 2026, until 11:30 PM CDT on September 21, 2026.
Affected Areas
The warning covers Lake Pontchartrain. Locations impacted include Kenner. At 10:53 PM CDT, the severe thunderstorm was located 7 nm west of The Mid Point Of The Causeway Bridge.
What You Should Do
Strong winds will be dangerous for boaters or anyone near the water. Boaters should avoid waterspouts and never try to navigate near them. Make sure all on board are wearing life jackets. Seek shelter or move to safe harbor until hazardous weather passes.
Expected Conditions
The storm is moving southwest at 15 knots. Hazards include waterspouts and wind gusts 34 knots or greater. Waterspouts can quickly form and capsize boats, damage vessels and oil rigs, and create suddenly higher waves.
Timeline
The alert is in effect from 10:54 PM CDT September 21, 2026, until 11:30 PM CDT September 21, 2026.
Original source: NOAA Official Notice ↗
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