371  
WHCA72 TJSJ 221943  
MWWSJU  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN JUAN PR  
ISSUED BY NATIONAL WEATHER SERVICE MIAMI FL  
343 PM AST FRI SEP 22 2017  
   
..CONDITIONS GRADUALLY IMPROVING THROUGH THE WEEKEND
 
 
AMZ712-715-722-725-732-735-741-742-745-222045-  
/O.CAN.TJSJ.SC.Y.0038.000000T0000Z-170923T0000Z/  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-  
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-  
ANEGADA PASSAGE SOUTHWARD TO 17N-  
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO  
OUT 10 NM-CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-  
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-  
MONA PASSAGE SOUTHWARD TO 17N-  
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-  
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-  
343 PM AST FRI SEP 22 2017  
   
..SMALL CRAFT ADVISORY IS CANCELLED
 
 
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS CANCELLED THE SMALL  
CRAFT ADVISORY.  
 
WINDS AND SEAS HAVE IMPROVED BELOW SMALL CRAFT ADVISORY CRITERIA.  
 

 
 
AMZ710-230345-  
/O.EXT.TJSJ.SC.Y.0038.000000T0000Z-170923T1200Z/  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-  
343 PM AST FRI SEP 22 2017  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM AST SATURDAY
 
 
* WINDS...SOUTHERLY 15 TO 20 KNOTS, GRADUALLY DECREASING THIS  
AFTERNOON.  
 
* WAVES/SEAS...SEAS 5 TO 8 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 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.  
 

 
 

 
 
MD  
 
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