600  
WHUS53 KGRR 200226  
SMWGRR  
LMZ844-845-876-878-200430-  
/O.NEW.KGRR.MA.W.0029.170720T0226Z-170720T0430Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
1026 PM EDT WED JUL 19 2017  
 
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
NEARSHORE AND OPEN WATERS FROM ST JOSEPH TO HOLLAND MI...  
 
* UNTIL 1230 AM EDT  
 
* AT 1026 PM EDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 15 NM SOUTHWEST OF OAK CREEK TO NEAR PLEASANT  
PRAIRIE TO 20 NM SOUTHWEST OF WINTHROP HARBOR...MOVING EAST AT 40  
KNOTS.  
 
HAZARD...WIND GUSTS TO 40 KNOTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAZARDOUS CONDITIONS ABOVE DECK IN BRIEFLY HIGHER WINDS  
AND SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
THE ST. JOSEPH LIGHT...THE SOUTH HAVEN LIGHT AND ST. JOSEPH.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 

 
 
LAT...LON 4213 8657 4213 8696 4270 8705 4263 8623  
4259 8622 4248 8625 4235 8630 4224 8636  
4211 8649  
TIME...MOT...LOC 0226Z 278DEG 39KT 4274 8818 4256 8797 4220 8810 4205  
8825  
 
HAIL...0.00IN  
WIND...40KTS  
 

 
 
NJJ  
 
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