232  
WHUS53 KDLH 161329  
SMWDLH  
LSZ144-145-162-161430-  
/O.NEW.KDLH.MA.W.0031.250816T1329Z-250816T1430Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE DULUTH MN  
829 AM CDT SAT AUG 16 2025  
 
THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
DULUTH MN TO PORT WING WI...  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE  
MN BEYOND 5NM...  
TWO HARBORS TO DULUTH MN...  
 
* UNTIL 930 AM CDT.  
 
* AT 829 AM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 22 NM SOUTHWEST OF DULUTH HARBOR TO 16 NM SOUTHWEST  
OF BARKERS ISLAND TO 19 NM SOUTH OF SUPERIOR HARBOR, MOVING  
NORTHEAST AT 30 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
KNIFE RIVER MARINA, SUPERIOR ENTRY, BRULE POINT, MCQUADE HARBOR,  
BARKERS ISLAND, SUPERIOR HARBOR, DULUTH LIFT BRIDGE CHANNEL, DULUTH  
HARBOR, STONEY POINT, AND FRENCH RIVER.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 
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 4681 9211  
4698 9180 4676 9145 4671 9165 4666 9196  
4666 9203 4671 9210 4666 9211 4665 9216  
4662 9221 4663 9228 4664 9229  
TIME...MOT...LOC 1329Z 211DEG 29KT 4659 9257 4654 9236 4639 9215  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
UNRUH  
 
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