641  
WHUS73 KGRR 211908  
MWWGRR  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
308 PM EDT FRI SEP 21 2018  
 
LMZ844>849-220000-  
/O.CON.KGRR.GL.W.0009.000000T0000Z-180922T0000Z/  
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-  
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-  
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-  
308 PM EDT FRI SEP 21 2018  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
* WINDS...WEST TO NORTHWEST GALES TO 35 KNOTS DECREASING TO 10 TO  
20 KNOTS.  
 
* WAVES...6 TO 10 FEET DECREASING TO 4 TO 6 FEET BY SATURDAY  
MORNING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR  
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES  
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY  
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE  
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.  
 

 
 

 
 
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