


Special Marine Warning
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
755 WHUS54 KLIX 211912 SMWLIX GMZ530-212015- /O.NEW.KLIX.MA.W.0291.250821T1912Z-250821T2015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service New Orleans LA 212 PM CDT Thu Aug 21 2025 The National Weather Service in New Orleans has issued a * Special Marine Warning for... Lake Pontchartrain and Lake Maurepas... * Until 315 PM CDT. * At 211 PM CDT, a cluster of severe thunderstorms was located along a line extending from near Mandeville to near Manchac, moving southeast at 5 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Mandeville, The Mid Point Of The Causeway Bridge, and Lake Pontchartrain/Lake Maurepas. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. Report severe weather to the Coast Guard or the National Weather Service. && LAT...LON 3039 9011 3038 9005 3032 8997 3029 8995 3028 8985 3026 8982 3024 8981 3016 9011 3014 9045 3025 9041 3040 9023 TIME...MOT...LOC 1911Z 312DEG 6KT 3035 9002 3026 9035 HAIL...0.00IN WIND...>34KTS $$ TJS