791  
WHUS71 KBOX 200856  
MWWBOX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
356 AM EST FRI DEC 20 2024  
 
ANZ250-254>256-202200-  
/O.EXT.KBOX.SC.Y.0112.241220T1800Z-241222T0000Z/  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
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-  
356 AM EST FRI DEC 20 2024  
 
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO  
7 PM EST SATURDAY...  
 
* WHAT...NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS  
6 TO 9 FEET EXPECTED.  
 
* WHERE...IN MASSACHUSETTS COASTAL WATERS, COASTAL WATERS EAST  
OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL MARINE  
SANCTUARY, 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...FROM 1 PM THIS AFTERNOON TO 7 PM EST SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
ANZ231-232-251-202200-  
/O.EXT.KBOX.SC.Y.0112.241220T2100Z-241222T0000Z/  
CAPE COD BAY-NANTUCKET SOUND-MASSACHUSETTS BAY AND IPSWICH BAY-  
356 AM EST FRI DEC 20 2024  
 
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO  
7 PM EST SATURDAY...  
 
* WHAT...NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS  
4 TO 7 FEET EXPECTED.  
 
* WHERE...CAPE COD BAY, NANTUCKET SOUND AND MASSACHUSETTS BAY  
AND IPSWICH BAY.  
 
* WHEN...FROM 4 PM THIS AFTERNOON TO 7 PM EST SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
ANZ233>235-237-202200-  
/O.CON.KBOX.SC.Y.0112.241220T2100Z-241221T1200Z/  
VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-BLOCK ISLAND SOUND-  
356 AM EST FRI DEC 20 2024  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS  
AFTERNOON TO 7 AM EST SATURDAY...  
 
* WHAT...NORTH WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND SEAS  
3 TO 5 FEET EXPECTED.  
 
* WHERE...IN MASSACHUSETTS COASTAL WATERS, VINEYARD SOUND AND  
BUZZARDS BAY. IN RHODE ISLAND COASTAL WATERS, RHODE ISLAND  
SOUND AND BLOCK ISLAND SOUND.  
 
* WHEN...FROM 4 PM THIS AFTERNOON TO 7 AM EST SATURDAY.  
 
* 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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