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Weather / Special Marine Warning

SevereExpired

Special Marine Warning issued September 7 at 10:16AM CDT until September 7 at 11:15AM CDT by NWS New Orleans LA

Breton Sound; Chandeleur Sound; Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm

Urgency: Immediate
Certainty: Likely
Onset: 9/7/2026, 3:16:00 PM
Expires: 9/7/2026, 4:15:00 PM

Details

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 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.

Affected States

Source: National Weather Service.