397   
WHUS53 KDLH 230357  
SMWDLH  
LSZ148-150-162-230415-  
/O.NEW.KDLH.MA.W.0035.250823T0357Z-250823T0415Z/  
  
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE DULUTH MN  
1057 PM CDT FRI AUG 22 2025  
  
THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A  
  
* SPECIAL MARINE WARNING FOR...  
  LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE  
  MN BEYOND 5NM...  
  OAK POINT TO SAXON HARBOR WI...  
  OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND...  
  
* UNTIL 1115 PM CDT.  
  
* AT 1056 PM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
  EXTENDING FROM 12 NM NORTHEAST OF DEVILS ISLAND TO 16 NM EAST OF  
  OAK ISLAND TO 8 NM SOUTHEAST OF OAK POINT, MOVING EAST AT 40 KNOTS.  
  
  HAZARD...WIND GUSTS TO NEARLY 50 KNOTS.  
  
  SOURCE...RADAR.  
  
  IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND   
           SUDDENLY HIGHER WAVES.  
  
* LOCATIONS IMPACTED INCLUDE...  
  SAXON HARBOR, MARBLE POINT, OUTER ISLAND, MICHIGAN ISLAND, STOCKTON  
  ISLAND, AND MADELINE ISLAND.  
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
  
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
  
  
  
LAT...LON 4657 9058 4664 9070 4695 9052 4724 9054  
      4723 9007 4666 9044 4657 9043 4656 9041  
TIME...MOT...LOC 0356Z 277DEG 41KT 4718 9046 4690 9028 4659 9057   
  
HAIL...0.00IN  
WIND...49KTS  
  
  
  
ROTHSTEIN  
 
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