328  
WHUS51 KBOX 221941  
SMWBOX  
ANZ250-270-222045-  
/O.NEW.KBOX.MA.W.0014.210622T1941Z-210622T2045Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
341 PM EDT TUE JUN 22 2021  
 
THE NATIONAL WEATHER SERVICE IN BOSTON/NORTON HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL  
MARINE SANCTUARY...  
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO 60 NM  
OFFSHORE...  
 
* UNTIL 445 PM EDT.  
 
* AT 341 PM EDT, A STRONG THUNDERSTORM WAS LOCATED OVER STELLWAGEN  
BANK, MOVING NORTHEAST AT 30 KNOTS.  
 
HAZARD...WIND GUSTS TO NEARLY 50 KNOTS AND SMALL HAIL.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
STELLWAGEN BANK AND THE COASTAL WATERS EAST OF BOSTON HARBOR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 4274 6967 4257 6955 4226 7029 4239 7045  
4286 6972  
TIME...MOT...LOC 1941Z 232DEG 31KT 4235 7028  
 
HAIL...<.75IN  
WIND...49KTS  
 

 
 
BL  
 
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