849  
WHUS53 KMQT 172315  
SMWMQT  
LMZ221-248-250-261-180015-  
/O.NEW.KMQT.MA.W.0004.170517T2315Z-170518T0015Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE MARQUETTE MI  
715 PM EDT WED MAY 17 2017  
 
THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE...  
GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND  
PASSAGE...  
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5NM  
OFFSHORE TO MID LAKE...  
SEUL CHOIX POINT TO POINT DETOUR MI...  
 
* UNTIL 815 PM EDT  
 
* AT 714 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 15 NM NORTH OF MINNEAPOLIS SHOAL TO 8 NM NORTHWEST  
OF WHALEBACK SHOAL...MOVING EAST AT 45 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND LARGE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES. LARGE HAIL COULD RESULT IN  
STRUCTURAL DAMAGE.  
 
* LOCATIONS IMPACTED INCLUDE...  
MINNEAPOLIS SHOAL...ST MARTIN ISLAND...SUMMER ISLAND AND POINT  
DETOUR.  
 
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 4587 8701 4589 8691 4575 8692 4589 8682  
4589 8666 4594 8656 4589 8647 4579 8648  
4583 8640 4598 8631 4599 8624 4599 8623  
4554 8635 4541 8728 4542 8735 4539 8738  
TIME...MOT...LOC 2314Z 250DEG 44KT 4583 8702 4547 8731  
 
HAIL...>.75IN  
WIND...>34KTS  
 

 
 
KEC  
 
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