392  
WHUS53 KAPX 180711  
SMWAPX  
LHZ348-349-362-363-180915-  
/O.NEW.KAPX.MA.W.0005.170518T0711Z-170518T0915Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE GAYLORD MI  
311 AM EDT THU MAY 18 2017  
 
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
NEARSHORE AND OPEN WATERS OF LAKE HURON FROM PRESQUE ISLE  
LIGHT TO ALABASTER MI...  
 
* UNTIL 515 AM EDT  
 
* AT 309 AM EDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 34 NM SOUTHEAST OF PETOSKEY TO 24 NM NORTHWEST OF  
PINCONNING...MOVING EAST AT 50 KNOTS.  
 
HAZARD...WIND GUSTS TO NEARLY 50 KNOTS. HOUGHTON LAKE GUSTED TO  
43 KNOTS AS THESE STORMS PASSED.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
TAWAS BAY...MIDDLE ISLAND...ALPENA...GREENBUSH...  
STURGEON POINT...CENTRAL LAKE HURON BUOY...AU SABLE POINT...  
HARRISVILLE...BLACK RIVER...SOUTH POINT...THUNDER  
BAY...AND OSCODA.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 4419 8363 4430 8358 4436 8341 4465 8337  
4485 8339 4490 8350 4498 8354 4508 8352  
4513 8341 4525 8350 4542 8271 4534 8252  
4418 8226  
TIME...MOT...LOC 0709Z 268DEG 49KT 4494 8442 4410 8441  
 
HAIL...0.00IN  
WIND...49KTS  
 

 
 
JZ  
 
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