561  
WHUS51 KBOX 222027  
SMWBOX  
ANZ230-250-251-222130-  
/O.NEW.KBOX.MA.W.0030.260722T2027Z-260722T2130Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
427 PM EDT WED JUL 22 2026  
 
THE NATIONAL WEATHER SERVICE IN BOSTON/NORTON HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
BOSTON HARBOR...  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL  
MARINE SANCTUARY...  
MASSACHUSETTS BAY AND IPSWICH BAY...  
 
* UNTIL 530 PM EDT.  
 
* AT 427 PM EDT, A STRONG THUNDERSTORM WAS LOCATED OVER BOSTON  
HARBOR, MOVING EAST AT 35 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND SMALL HAIL.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
EASTERN POINT MA, BOSTON HARBOR, BEVERLY HARBOR, BOSTON BUOY 44013,  
BOSTON LIGHT, MASS BAY BUOY 44029, THATCHER ISLAND, MARBLEHEAD  
NECK, BROAD SOUND, QUINCY HARBOR, THE COASTAL WATERS EAST OF BOSTON  
HARBOR, AND MINOT LIGHT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 
 
 
LAT...LON 4241 7021 4221 7099 4226 7100 4228 7106  
4241 7106 4241 7102 4250 7093 4253 7094  
4256 7094 4271 7040  
TIME...MOT...LOC 2027Z 251DEG 34KT 4240 7088  
 
HAIL...<.75IN  
WIND...>34KTS  
 
 
 
BW  
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