


Special Marine Warning
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
Versions:
1
493 WHUS53 KMQT 221856 SMWMQT LSZ240-241-263-222000- /O.NEW.KMQT.MA.W.0107.250822T1856Z-250822T2000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 256 PM EDT Fri Aug 22 2025 The National Weather Service in Marquette has issued a * Special Marine Warning for... Black River To Ontonagon MI... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Saxon Harbor WI to Black River MI... * Until 400 PM EDT. * At 255 PM EDT, a strong thunderstorm was located 16 nm southeast of Oak Point, or 62 nm southwest of The Western Lake Superior Buoy, moving northeast at 35 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly the nearshore waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4667 9043 4694 9004 4676 8980 4663 9001 4655 9030 4656 9034 4654 9035 4653 9039 4656 9041 4656 9044 TIME...MOT...LOC 1855Z 227DEG 34KT 4641 9061 HAIL...<.75IN WIND...>34KTS $$ TAP