147  
WHUS73 KGRR 181458  
MWWGRR  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
958 AM EST SAT NOV 18 2017  
 
LMZ844>849-182300-  
/O.EXP.KGRR.SC.Y.0088.000000T0000Z-171118T1500Z/  
/O.CON.KGRR.GL.W.0021.171118T1500Z-171119T1200Z/  
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-  
958 AM EST SAT NOV 18 2017  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SUNDAY
 
   
..SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EST THIS MORNING
 
 
* WINDS...NORTH WINDS INCREASING TO 35 KNOT GALES THIS AFTERNOON  
AND TO 40 TO 45 KNOT GALES THIS EVENING. WINDS WILL DECREASE  
TO 20 TO 30 KNOTS OVERNIGHT.  
 
* WAVES...3 TO 6 FEET THIS MORNING...BUILDING TO 8 TO 13 FEET  
THIS AFTERNOON AND EVENING.  
 
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.  
 

 
 

 
 
MWS  
 
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