218  
WHUS53 KDLH 291937  
SMWDLH  
LSZ121-143>148-150-162-292030-  
/O.NEW.KDLH.MA.W.0018.260629T1937Z-260629T2030Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE DULUTH MN  
237 PM CDT MON JUN 29 2026  
 
THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI...  
DULUTH MN TO PORT WING WI...  
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...  
PORT WING TO SAND ISLAND WI...  
SAND ISLAND TO BAYFIELD WI...  
SILVER BAY HARBOR TO TWO HARBORS MN...  
TWO HARBORS TO DULUTH MN...  
 
* UNTIL 330 PM CDT.  
 
* AT 236 PM CDT, A STRONG THUNDERSTORM WAS LOCATED NEAR KNIFE RIVER  
MARINA, OR 16 NM EAST OF DULUTH LIFT BRIDGE CHANNEL, MOVING EAST AT  
50 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND SMALL HAIL.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
ASHLAND BREAKWATER LIGHTHOUSE, IRONWOOD ISLAND, SUPERIOR ENTRY,  
BASSWOOD ISLAND, SAND ISLAND, BARKERS ISLAND, STOCKTON ISLAND,  
MADELINE ISLAND, DEVILS ISLAND, MANITOU ISLAND, CAT ISLAND, NORTH  
TWIN ISLAND, MCQUADE HARBOR, HERBSTER, MEYERS BEACH, YORK ISLAND,  
SUPERIOR HARBOR, LARSMONT, EAGLE ISLAND, AND LA POINTE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 4656 9044 4666 9044 4718 9010 4703 9170  
4680 9212 4672 9224 4669 9224 4669 9230  
TIME...MOT...LOC 1936Z 264DEG 49KT 4687 9170  
 
HAIL...<.75IN  
WIND...>34KTS  
 

 
 
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