243  
FZUS73 KDLH 152221  
MWSDLH  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE DULUTH MN  
521 PM CDT THU MAY 15 2025  
 
LSZ143>147-162-152300-  
/O.CON.KDLH.MA.W.0003.000000T0000Z-250515T2300Z/  
521 PM CDT THU MAY 15 2025  
   
..A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 600 PM CDT  
 
FOR THE FOLLOWING AREAS...  
DULUTH MN TO PORT WING WI...  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN  
BEYOND 5NM...  
PORT WING TO SAND ISLAND WI...  
SAND ISLAND TO BAYFIELD WI...  
SILVER BAY HARBOR TO TWO HARBORS MN...  
TWO HARBORS TO DULUTH MN...  
 
AT 521 PM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 21 NM SOUTHWEST OF DULUTH HARBOR TO 20 NM SOUTHWEST OF  
PORT WING HARBOR, MOVING NORTH AT 45 KNOTS.  
 
HAZARD...WIND GUSTS TO 40 KNOTS AND SMALL HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
STRONG THUNDERSTORMS WILL BE NEAR...  
SUPERIOR HARBOR AROUND 525 PM CDT.  
BARKERS ISLAND, DULUTH HARBOR, AND SUPERIOR ENTRY AROUND 530 PM  
CDT.  
DULUTH LIFT BRIDGE CHANNEL AND BRULE POINT AROUND 535 PM CDT.  
FRENCH RIVER, MCQUADE HARBOR, AND STONEY POINT AROUND 545 PM CDT.  
LARSMONT AND KNIFE RIVER MARINA AROUND 550 PM CDT.  
TWO HARBORS PROTECTED ACCESS AGATE BAY AROUND 555 PM CDT.  
 
OTHER LOCATIONS IMPACTED BY STRONG THUNDERSTORMS INCLUDE MAIKWE BAY,  
SUPERIOR ENTRY, BRULE POINT, MEYERS BEACH, BARK BAY, EAGLE ISLAND,  
AND BARK POINT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FOR NORTHWESTERN  
WISCONSIN.  
 
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.  
 
 
 
LAT...LON 4669 9229 4668 9224 4672 9224 4680 9212  
4715 9149 4722 9139 4700 9092 4692 9094  
4684 9110 4682 9118 4683 9121 4674 9150  
4666 9191 4666 9203 4671 9210 4666 9211  
4662 9221 4664 9229  
TIME...MOT...LOC 2221Z 175DEG 47KT 4657 9253 4649 9161  
 
HAIL...<.75IN  
WIND...40KTS  
 
 
 
PA  
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