778  
WHUS53 KDLH 051858  
SMWDLH  
LSZ144>147-162-052000-  
/O.NEW.KDLH.MA.W.0031.231005T1858Z-231005T2000Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE DULUTH MN  
158 PM CDT THU OCT 5 2023  
 
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...  
PORT WING TO SAND ISLAND WI...  
SAND ISLAND TO BAYFIELD WI...  
TWO HARBORS TO DULUTH MN...  
 
* UNTIL 300 PM CDT.  
 
* AT 158 PM CDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED NEAR SUPERIOR HARBOR, OR NEAR DULUTH LIFT  
BRIDGE CHANNEL, MOVING EAST AT 35 KNOTS.  
 
HAZARD...WATERSPOUTS, WIND GUSTS TO 40 KNOTS, AND SMALL HAIL.  
 
SOURCE...RADAR.  
 
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY  
HAZARDOUS SEAS. SMALL CRAFT COULD BE DAMAGED IN BRIEFLY  
HIGHER WINDS AND SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
SISKWIT BAY HARBOR, BAYFIELD PENINSULA SEA CAVES, PORT WING HARBOR,  
BRULE POINT, AND HERBSTER.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 

 
 
LAT...LON 4667 9198 4681 9205 4705 9109 4694 9096  
4691 9096 4684 9110 4682 9118 4683 9121  
4674 9150 4670 9170  
TIME...MOT...LOC 1858Z 256DEG 36KT 4676 9194  
 
WATERSPOUT...POSSIBLE  
HAIL...<.75IN  
WIND...40KTS  
 

 
 
LEVENS  
 
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