Special Marine Warning Issued for Lake Pontchartrain and Adjacent Sounds
This alert is no longer in effect.
NOAA issued it on May 16, 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.
NWS New Orleans has issued a Special Marine Warning for Lake Pontchartrain, Mississippi Sound, Lake Borgne, and Chandeleur Sound until 5:00 AM CDT due to severe thunderstorms with 40-knot winds and small hail.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Southeastern Louisiana
- Issued
- May 16, 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.
Alert Details
A Special Marine Warning has been issued by the National Weather Service New Orleans LA. The alert is effective from 3:58 AM CDT on May 9, 2026, until 5:00 AM CDT on May 9, 2026.
Affected Areas
The warning covers Lake Pontchartrain, Mississippi Sound, Lake Borgne, and Chandeleur Sound. Impacted locations include Lake Borgne, Eden Isle, Rigolets, and Pass Christian.
What You Should Do
Strong winds will be dangerous for boaters or anyone near the water. Make sure all on board are wearing life jackets. Seek shelter or move to safe harbor until hazardous weather passes.
Expected Conditions
A cluster of severe thunderstorms was located along a line extending from 9 nm north of Rigolets to near Eden Isle to near Lake Pontchartrain/Lake Maurepas, moving east at 30 knots. Hazards include wind gusts to 40 knots and small hail.
Timeline
The alert is in effect from 3:58 AM CDT until 5:00 AM CDT on May 9, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (945 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 16, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.