017  
WHUS71 KBOX 180647  
MWWBOX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
247 AM EDT FRI JUL 18 2025  
 
ANZ250-251-181800-  
/O.CON.KBOX.SC.Y.0080.000000T0000Z-250718T1800Z/  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-  
247 AM EDT FRI JUL 18 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS  
AFTERNOON...  
 
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND  
SEAS 2 TO 4 FEET.  
 
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN  
BANK NATIONAL MARINE SANCTUARY AND MASSACHUSETTS BAY AND  
IPSWICH BAY.  
 
* WHEN...UNTIL 2 PM EDT THIS AFTERNOON.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
ANZ254>256-181800-  
/O.CON.KBOX.SC.Y.0080.000000T0000Z-250718T1800Z/  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
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-  
247 AM EDT FRI JUL 18 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS  
AFTERNOON...  
 
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND  
SEAS 3 TO 5 FEET.  
 
* WHERE...IN MASSACHUSETTS COASTAL WATERS, COASTAL WATERS FROM  
PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 NM AND  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS  
VINEYARD AND NANTUCKET. IN RHODE ISLAND COASTAL WATERS,  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING  
OUT TO 20 NM SOUTH OF BLOCK ISLAND.  
 
* WHEN...UNTIL 2 PM EDT THIS AFTERNOON.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
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