Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued October 5 at 2:11AM CDT until October 5
Affecting Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM
In effect until: Oct 5, 2026, 8:15 AM
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM
Likely impact; effects through 8:15 AM.
Stay indoors, monitor local alerts, and follow instructions from local officials.
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 Louisiana to Lower Atchafalaya River LA from 20 to 60 NM... * Until 315 AM CDT. * At 211 AM CDT, a severe thunderstorm capable of producing waterspouts was located near Ship Shoal 198, or 35 nm southwest of Isle Derniers. The severe thunderstorm was nearly stationary. 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. * The severe thunderstorm will remain over mainly open waters.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™