Special Marine Warning Issued for Louisiana Coastal Waters
This alert is no longer in effect.
NOAA issued it on May 12, 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 has been issued by NWS New Orleans for coastal waters near Louisiana, warning of waterspouts and wind gusts up to 34 knots until 9:00 AM CDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Louisiana Coastal Waters
- Issued
- May 12, 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 Louisiana Coastal Waters.
Special Marine Warning in Louisiana Coastal Waters
Alert Details
A Special Marine Warning has been issued by the National Weather Service in New Orleans, LA. This alert is effective from 7:59 AM CDT until 9:00 AM CDT.
Affected Areas
The warning affects coastal waters from Boothville, LA to Southwest Pass of the Mississippi River out 20 nautical miles, and from Southwest Pass to Port Fourchon, Louisiana out 20 nautical miles. Locations impacted include Southwest Pass of the Mississippi River.
What You Should Do
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
A severe thunderstorm capable of producing waterspouts and wind gusts of 34 knots or greater is occurring.
Timeline
The alert is effective from 7:59 AM CDT and ends at 9:00 AM CDT.
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 (925 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 12, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.