207  
WHCA72 TJSJ 122114  
MWWSJU  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN JUAN PR  
514 PM AST WED NOV 12 2025  
 
AMZ712-741-742-131000-  
/O.EXB.TJSJ.SC.Y.0038.251113T1000Z-251114T1000Z/  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-  
MONA PASSAGE SOUTHWARD TO 17N-  
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-  
514 PM AST WED NOV 12 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM THURSDAY TO 6 AM AST  
FRIDAY...  
 
* WHAT...SEAS 5 TO 7 FT EXPECTED.  
 
* WHERE...COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM, MONA  
PASSAGE SOUTHWARD TO 17N AND COASTAL WATERS OF NORTHWESTERN  
PUERTO RICO OUT 10 NM.  
 
* WHEN...FROM 6 AM THURSDAY TO 6 AM AST FRIDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
AMZ711-131000-  
/O.EXT.TJSJ.SC.Y.0038.251112T2200Z-251114T1000Z/  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-  
514 PM AST WED NOV 12 2025  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM AST FRIDAY
 
 
* WHAT...SEAS UP TO 7 FEET, WITH OCCASIONAL SEAS UP TO 9 FEET.  
 
* WHERE...ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO  
19.5N.  
 
* WHEN...UNTIL 6 AM AST FRIDAY.  
 
* 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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