685  
FZUS71 KBOX 222310  
MWSBOX  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
710 PM EDT TUE JUN 22 2021  
 
ANZ254-255-271-272-230045-  
710 PM EDT TUE JUN 22 2021  
   
..A STRONG THUNDERSTORM OVER THE WATERS
 
 
THE AREAS AFFECTED INCLUDE...  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET...  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM...  
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 45 NM  
OFFSHORE...  
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 35 NM  
OFFSHORE...  
 
AT 709 PM EDT, DOPPLER RADAR INDICATED A STRONG THUNDERSTORM, CAPABLE  
OF PRODUCING WINDS TO AROUND 30 KNOTS. THIS THUNDERSTORM WAS LOCATED  
23 NM SOUTH OF THE COASTAL WATERS SOUTH OF NANTUCKET, MOVING  
NORTHEAST AT 45 KNOTS.  
 
THE STRONG THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
EXPECT GUSTY WINDS TO AROUND 30 KNOTS...BRIEFLY ROUGH SEAS AND  
LIGHTNING STRIKES. CONSIDER HEADING FOR SAFE HARBOR UNTIL THIS STORM  
PASSES.  
 
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE AND KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 

 
 
LAT...LON 4120 6914 4116 6915 4059 7023 4078 7038  
4147 6916 4144 6917 4139 6915 4129 6913  
 

 
 
BELK  
 
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