473  
WHUS53 KGRR 052026  
SMWGRR  
LMZ846-847-872-874-052115-  
/O.NEW.KGRR.MA.W.0035.180905T2026Z-180905T2115Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
426 PM EDT WED SEP 5 2018  
 
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
NEARSHORE AND OPEN WATERS FROM HOLLAND TO WHITEHALL MI...  
 
* UNTIL 515 PM EDT.  
 
* AT 425 PM EDT, A STRONG THUNDERSTORM WAS LOCATED 27 NM SOUTHWEST OF  
THE MUSKEGON LIGHT, MOVING EAST AT 35 KNOTS.  
 
HAZARD...WIND GUSTS TO 40 KNOTS.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
THE GRAND HAVEN LIGHT AND PORT SHELDON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 

 
 
LAT...LON 4285 8675 4298 8671 4309 8671 4310 8626  
4285 8621  
TIME...MOT...LOC 2025Z 266DEG 34KT 4299 8687  
 
HAIL...0.00IN  
WIND...40KTS  
 

 
 
BORCHARDT  
 
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