297  
WHUS71 KBOX 200817  
MWWBOX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
417 AM EDT SUN MAY 20 2018  
 
ANZ231-201630-  
/O.EXT.KBOX.SC.Y.0074.000000T0000Z-180520T1900Z/  
CAPE COD BAY-  
417 AM EDT SUN MAY 20 2018  
 
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM EDT THIS  
AFTERNOON...  
 
* WINDS AND SEAS...SOUTHWEST WINDS 10 TO 15 KT WITH GUSTS UP TO  
25 KT. SEAS 2 TO 4 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
ANZ235-237-201630-  
/O.EXT.KBOX.SC.Y.0074.000000T0000Z-180521T1000Z/  
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-  
417 AM EDT SUN MAY 20 2018  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM EDT MONDAY
 
 
* WINDS AND SEAS...WEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT.  
SEAS 3 TO 6 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
ANZ254-201630-  
/O.EXT.KBOX.SC.Y.0074.000000T0000Z-180521T1000Z/  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
417 AM EDT SUN MAY 20 2018  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM EDT MONDAY
 
 
* WINDS AND SEAS...SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO  
30 KT. SEAS 4 TO 7 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
ANZ255-256-201630-  
/O.EXT.KBOX.SC.Y.0074.000000T0000Z-180521T1700Z/  
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-  
417 AM EDT SUN MAY 20 2018  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EDT MONDAY
 
 
* WINDS AND SEAS...WEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT.  
SEAS 4 TO 7 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
ANZ236-201630-  
/O.EXT.KBOX.SC.Y.0074.000000T0000Z-180521T0400Z/  
NARRAGANSETT BAY-  
417 AM EDT SUN MAY 20 2018  
 
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT  
TONIGHT...  
 
* WINDS AND SEAS...SOUTHWEST WINDS 10 TO 15 KT WITH GUSTS UP TO  
25 KT. WAVES 2 TO 4 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
ANZ250-201630-  
/O.CON.KBOX.SC.Y.0074.000000T0000Z-180520T2200Z/  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
417 AM EDT SUN MAY 20 2018  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS  
EVENING...  
 
* WINDS AND SEAS...SOUTHWEST WINDS 10 TO 15 KT WITH GUSTS UP TO  
30 KT. SEAS 3 TO 6 FEET.  
A  
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
ANZ251-201600-  
/O.CON.KBOX.SC.Y.0074.000000T0000Z-180520T1600Z/  
MASSACHUSETTS BAY AND IPSWICH BAY-  
417 AM EDT SUN MAY 20 2018  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY
 
 
* WINDS AND SEAS...SOUTHWEST WINDS 10 TO 15 KT WITH GUSTS UP TO  
25 KT. SEAS 2 TO 4 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
ANZ232>234-201630-  
/O.CON.KBOX.SC.Y.0074.000000T0000Z-180520T2200Z/  
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-  
417 AM EDT SUN MAY 20 2018  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS  
EVENING...  
 
* WINDS AND SEAS...SOUTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO  
30 KT. SEAS 3 TO 5 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
ANZ230-201600-  
/O.CON.KBOX.SC.Y.0074.000000T0000Z-180520T1600Z/  
BOSTON HARBOR-  
417 AM EDT SUN MAY 20 2018  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY
 
 
* WINDS AND SEAS...SOUTHWEST WINDS 10 TO 15 KT WITH GUSTS UP TO  
25 KT. WAVES AROUND 2 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...A A SMALL CRAFT ADVISORY  
MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS ARE EXPECTED TO PRODUCE  
HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS,  
ESPECIALLY THOSE OPERATING SMALLER VESSELS, SHOULD AVOID  
NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT  
WWW.WEATHER.GOV/BOSTON  
 
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WWW.FACEBOOK.COM/NWSBOSTON  
 
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@NWSBOSTON  
 
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