886  
WHUS53 KDLH 051904  
SMWDLH  
LSZ141>144-150-162-052000-  
/O.NEW.KDLH.MA.W.0032.231005T1904Z-231005T2000Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE DULUTH MN  
204 PM CDT THU OCT 5 2023  
 
THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
GRAND MARAIS TO TACONITE HARBOR MN...  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE  
MN BEYOND 5NM...  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND...  
SILVER BAY HARBOR TO TWO HARBORS MN...  
TACONITE HARBOR TO SILVER BAY HARBOR MN...  
TWO HARBORS TO DULUTH MN...  
 
* UNTIL 300 PM CDT.  
 
* AT 203 PM CDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED OVER TWIN POINTS SAFE HARBOR, OR 34 NM  
NORTHEAST OF DULUTH LIFT BRIDGE CHANNEL, MOVING EAST AT 55 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...  
BEAVER BAY, SPLIT ROCK LIGHTHOUSE, TWO HARBORS PROTECTED ACCESS  
AGATE BAY, TWIN POINTS SAFE HARBOR, CASTLE DANGER, AND SILVER BAY  
MARINA AND ORE DOCK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 

 
 
LAT...LON 4770 9036 4732 9004 4693 9174 4705 9167  
4715 9149 4734 9126  
TIME...MOT...LOC 1903Z 253DEG 57KT 4714 9143  
 
WATERSPOUT...POSSIBLE  
HAIL...<.75IN  
WIND...40KTS  
 

 
 
LEVENS  
 
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