470  
WHUS71 KBOX 251736  
MWWBOX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
136 PM EDT MON AUG 25 2025  
 
ANZ254>256-260645-  
/O.CON.KBOX.SC.Y.0088.250825T1800Z-250826T1200Z/  
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-  
136 PM EDT MON AUG 25 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT  
TUESDAY...  
 
* WHAT...WEST WINDS 10 TO 15 KT AND SEAS 4 TO 7 FEET EXPECTED.  
 
* 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 8 AM EDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
ANZ250-260645-  
/O.CON.KBOX.SC.Y.0088.250826T0000Z-250826T1200Z/  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
136 PM EDT MON AUG 25 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING  
TO 8 AM EDT TUESDAY...  
 
* WHAT...WEST WINDS 10 TO 15 KT AND SEAS 3 TO 5 FEET EXPECTED.  
 
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN  
BANK NATIONAL MARINE SANCTUARY.  
 
* WHEN...FROM 8 PM THIS EVENING TO 8 AM EDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
ANZ235-237-260645-  
/O.CON.KBOX.SC.Y.0088.250825T2200Z-250826T0900Z/  
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-  
136 PM EDT MON AUG 25 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO 5 AM EDT TUESDAY...  
 
* WHAT...WEST WINDS 10 TO 15 KT AND SEAS 3 TO 5 FEET EXPECTED.  
 
* WHERE...RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.  
 
* WHEN...FROM 6 PM THIS EVENING TO 5 AM EDT TUESDAY.  
 
* 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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