Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued September 7 at 1:20PM CDT until September 7
Affecting Terrebonne Bay; Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm
In effect until: Sep 7, 2026, 7:00 PM
Terrebonne Bay; Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm
Likely impact; effects through 7:00 PM.
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.
Read the original bulletin (official text)
SMWLIX The National Weather Service in New Orleans has issued a * Special Marine Warning for... Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm... Terrebonne Bay... * Until 200 PM CDT. * At 120 PM CDT, a cluster of severe thunderstorms capable of producing waterspouts was located 8 nm north of Terrebonne Bay, moving southwest at 10 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... Terrebonne Bay.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™