NWS New Orleans LAMA.W 0330September 7, 2026
Special Marine Warning: Breton Sound, Chandeleur Sound and Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm
The National Weather Service office in New Orleans issued a special marine warning for Breton Sound, Chandeleur Sound and Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm, which was in force until 11:15 a.m. local time on September 7. It was the 330th special marine warning the NWS office in New Orleans issued in 2026.
ExpiredWarning
In force for 59 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, New Orleans LA
- Area
- Breton Sound, Chandeleur Sound and Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm
- Level
- Warning
- Issued
- 10:16 a.m. CDT, September 7, 2026
- Expires
- 11:15 a.m. CDT, September 7, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KLIX MA.W 0330
- Official source
- National Weather Service: the notice at its source
NWS notices, September 2026The latest from the National Weather Service
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SMWLIX The National Weather Service in New Orleans has issued a * Special Marine Warning for... Breton Sound... Chandeleur Sound... Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm... * Until 1115 AM CDT. * At 1016 AM CDT, a cluster of severe thunderstorms capable of producing waterspouts was located over Breton Sound, moving west at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can quickly form and capsize boats...damage vessels and oil rigs...and create suddenly higher waves. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Breton Sound, Empire, and Port Sulphur.
What the agency told people to 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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.