Special Marine Warning Issued for Lake Borgne and Mississippi Sound
This alert is no longer in effect.
NOAA issued it on July 26, 2026, 4 weeks 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 Borgne and Mississippi Sound until 4:15 PM CDT due to severe thunderstorms capable of producing waterspouts.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Borgne and Mississippi Sound
- Issued
- July 26, 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 4 weeks ago; use the issuing agency's live warning service for current conditions in Lake Borgne and Mississippi Sound.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in New Orleans LA. The alert is effective from 3:17 PM CDT on June 20, 2026, until 4:15 PM CDT on June 20, 2026.
Affected Areas
The warning covers Mississippi Sound and Lake Borgne.
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
At 3:17 PM CDT, a cluster of severe thunderstorms capable of producing waterspouts was located over Lake Borgne, moving southeast at 10 knots. Hazards include waterspouts and wind gusts to 40 knots.
Timeline
The alert is in effect until 4:15 PM CDT on June 20, 2026.
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 (779 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 26, 2026.
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Common questions about this NWS weather alert.