551  
FZUS73 KMQT 290025  
MWSMQT  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE MARQUETTE MI  
825 PM EDT MON APR 28 2025  
 
LSZ248-265-290035-  
/O.CAN.KMQT.MA.W.0007.000000T0000Z-250429T0100Z/  
825 PM EDT MON APR 28 2025  
   
..THE SPECIAL MARINE WARNING IS CANCELLED
 
 
THE AFFECTED AREAS WERE...  
HURON ISLANDS TO MARQUETTE MI...  
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI BEYOND  
5NM FROM SHORE...  
 
THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND NO LONGER  
POSES A SIGNIFICANT THREAT TO BOATERS.  
 

 
 
LAT...LON 4701 8692 4688 8724 4688 8727 4708 8747  
4710 8747 4726 8717  
TIME...MOT...LOC 0025Z 235DEG 44KT 4695 8745  
 

 
 
LSZ266-290100-  
/O.CON.KMQT.MA.W.0007.000000T0000Z-250429T0100Z/  
825 PM EDT MON APR 28 2025  
   
..A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
 
 
FOR THE FOLLOWING AREAS...  
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI AND  
WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER BEYOND  
5NM FROM SHORE...  
 
AT 825 PM EDT, A SEVERE THUNDERSTORM WAS LOCATED 11 NM NORTHEAST OF  
GRANITE POINT, OR 13 NM NORTH OF GRANITE ISLAND, MOVING NORTHEAST AT  
45 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND LARGE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES. LARGE HAIL COULD RESULT IN  
STRUCTURAL DAMAGE.  
 
LOCATIONS IMPACTED INCLUDE...  
STANNARD ROCK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THIS STORM PASSES.  
WIND GUSTS 34 KNOTS OR GREATER, LARGE HAIL, HIGH WAVES, DANGEROUS  
LIGHTNING, AND HEAVY RAIN ARE POSSIBLE WITH THIS STORM.  
 
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 

 
 
LAT...LON 4701 8692 4688 8724 4688 8727 4708 8747  
4710 8747 4726 8717  
TIME...MOT...LOC 0025Z 235DEG 44KT 4695 8745  
 
HAIL...>.75IN  
WIND...>34KTS  
 

 
 
GS  
 
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