669
WHUS53 KMQT 152113
SMWMQT
LSZ242-263-152145-
/O.NEW.KMQT.MA.W.0106.250815T2113Z-250815T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Marquette MI
513 PM EDT Fri Aug 15 2025

The National Weather Service in Marquette has issued a

* Special Marine Warning for...
  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...
  Ontonagon to Upper Entrance of Portage Canal MI...

* Until 545 PM EDT.

* At 513 PM EDT, a severe thunderstorm was located 13 nm west of The
  Upper Entrance of Portage Canal, or 37 nm east of The Western Lake
  Superior Buoy, moving east at 30 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 4708 8911 4719 8918 4737 8870 4719 8862
TIME...MOT...LOC 2113Z 250DEG 28KT 4720 8897

HAIL...>.75IN
WIND...>34KTS

$$

jp