395  
WHUS71 KBOX 310637  
MWWBOX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
237 AM EDT SAT MAY 31 2025  
 
ANZ232>235-237-311945-  
/O.UPG.KBOX.SC.Y.0069.250531T1200Z-250601T1200Z/  
/O.NEW.KBOX.GL.W.0024.250531T1800Z-250601T0000Z/  
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-  
BLOCK ISLAND SOUND-  
237 AM EDT SAT MAY 31 2025  
 
...GALE WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM EDT  
THIS EVENING...  
 
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 40 KT AND  
SEAS 4 TO 7 FEET EXPECTED.  
 
* WHERE...IN MASSACHUSETTS COASTAL WATERS, NANTUCKET SOUND,  
VINEYARD SOUND AND BUZZARDS BAY. IN RHODE ISLAND COASTAL  
WATERS, RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.  
 
* WHEN...FROM 2 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR HAZARDOUS CONDITIONS.  
 
 
 
 
 
ANZ254>256-311945-  
/O.UPG.KBOX.SC.Y.0069.250531T1200Z-250601T1200Z/  
/O.NEW.KBOX.GL.W.0024.250531T1800Z-250601T0100Z/  
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-  
237 AM EDT SAT MAY 31 2025  
 
...GALE WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM EDT  
THIS EVENING...  
 
* WHAT...SOUTHWEST WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT AND  
SEAS 7 TO 10 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...FROM 2 PM THIS AFTERNOON TO 9 PM EDT THIS EVENING.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR HAZARDOUS CONDITIONS.  
 
 
 
 
 
ANZ236-311945-  
/O.CON.KBOX.SC.Y.0069.250531T1600Z-250601T0200Z/  
NARRAGANSETT BAY-  
237 AM EDT SAT MAY 31 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO  
10 PM EDT THIS EVENING...  
 
* WHAT...SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND  
WAVES 4 TO 6 FEET EXPECTED.  
 
* WHERE...NARRAGANSETT BAY.  
 
* WHEN...FROM NOON TODAY TO 10 PM EDT THIS EVENING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
ANZ231-251-311945-  
/O.CON.KBOX.SC.Y.0069.250531T1600Z-250601T0200Z/  
CAPE COD BAY-MASSACHUSETTS BAY AND IPSWICH BAY-  
237 AM EDT SAT MAY 31 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO  
10 PM EDT THIS EVENING...  
 
* WHAT...SOUTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND  
SEAS 3 TO 5 FEET EXPECTED.  
 
* WHERE...CAPE COD BAY AND MASSACHUSETTS BAY AND IPSWICH BAY.  
 
* WHEN...FROM NOON TODAY TO 10 PM EDT THIS EVENING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
ANZ230-311945-  
/O.CON.KBOX.SC.Y.0069.250531T1600Z-250601T0200Z/  
BOSTON HARBOR-  
237 AM EDT SAT MAY 31 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO  
10 PM EDT THIS EVENING...  
 
* WHAT...SOUTHWEST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT AND  
WAVES AROUND 2 FEET EXPECTED.  
 
* WHERE...BOSTON HARBOR.  
 
* WHEN...FROM NOON TODAY TO 10 PM EDT THIS EVENING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
ANZ250-311945-  
/O.CON.KBOX.SC.Y.0069.250531T1600Z-250601T1200Z/  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
237 AM EDT SAT MAY 31 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 AM  
EDT SUNDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND  
SEAS 4 TO 6 FEET EXPECTED.  
 
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN  
BANK NATIONAL MARINE SANCTUARY.  
 
* WHEN...FROM NOON TODAY TO 8 AM EDT SUNDAY.  
 
* 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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