WHUS53 KMKX 211745 SMWMKX LMZ645-646-673-675-211830- /O.NEW.KMKX.MA.W.0021.260421T1745Z-260421T1830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Milwaukee/Sullivan WI 1245 PM CDT Tue Apr 21 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Special Marine Warning for... Lake Michigan nearshore and open waters to mid lake from North Point Light WI to Winthrop Harbor IL... * Until 130 PM CDT. * At 1245 PM CDT, a severe thunderstorm was located 11 nm southwest of Oak Creek, moving east at 35 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4286 8761 4268 8761 4268 8778 4273 8776 4276 8777 4278 8775 4284 8781 4284 8782 4286 8784 TIME...MOT...LOC 1745Z 266DEG 37KT 4279 8813 HAIL...>.75IN WIND...>34KTS $$ DDV