320  
WHUS53 KDLH 201129  
SMWDLH  
LSZ140-141-162-201230-  
/O.NEW.KDLH.MA.W.0034.260720T1129Z-260720T1230Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE DULUTH MN  
629 AM CDT MON JUL 20 2026  
 
THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
GRAND MARAIS TO TACONITE HARBOR MN...  
GRAND PORTAGE TO GRAND MARAIS MN...  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE  
MN BEYOND 5NM...  
 
* UNTIL 730 AM CDT.  
 
* AT 629 AM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR PIGEON POINT TO 15 NM SOUTHEAST OF GRAND MARAIS  
HARBOR TO 15 NM SOUTHEAST OF TOFTE SAFE HARBOR, MOVING SOUTHEAST AT  
40 KNOTS.  
 
HAZARD...WIND GUSTS TO 40 KNOTS 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.  
 
* LOCATIONS IMPACTED INCLUDE...  
HORSESHOE BAY AND SAFE HARBOR, PIGEON POINT, AND GRAND PORTAGE  
MARINA.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 
 
 
LAT...LON 4805 8953 4800 8948 4799 8941 4793 8946  
4787 8964 4709 9016 4737 9091  
TIME...MOT...LOC 1129Z 305DEG 38KT 4794 8955 4755 9010 4739 9056  
 
HAIL...>.75IN  
WIND...40KTS  
 
 
 
JDS  
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