040  
FZUS71 KBOX 131116  
MWSBOX  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
716 AM EDT THU AUG 13 2026  
 
ANZ237-255-256-282-283-131215-  
716 AM EDT THU AUG 13 2026  
   
..A STRONG THUNDERSTORM APPROACHING THE WATERS
 
 
THE AREAS AFFECTED INCLUDE...  
BLOCK ISLAND SOUND...  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET...  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND...  
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60  
NM...  
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60  
NM...  
 
AT 715 AM EDT, DOPPLER RADAR INDICATED A STRONG THUNDERSTORM, CAPABLE  
OF PRODUCING WINDS TO AROUND 30 KNOTS. THIS THUNDERSTORM WAS LOCATED  
12 NM SOUTHWEST OF THE COASTAL WATERS SOUTH OF MARTHAS VINEYARD,  
MOVING EAST AT 45 KNOTS.  
 
LOCATIONS IMPACTED INCLUDE...  
THE COASTAL WATERS SOUTHEAST OF BLOCK ISLAND, THE COASTAL WATERS  
SOUTH OF MARTHAS VINEYARD, AND BUOY 44097 SOUTHEAST OF BLOCK ISLAND.  
 
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.  
 

 
 
LAT...LON 4129 7024 4089 6991 4076 7161 4105 7184  
4107 7185 4110 7186  
 

 
 
BW  
 
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