726  
WHCA72 TJSJ 212003  
MWWSJU  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN JUAN PR  
403 PM AST MON APR 21 2025  
 
AMZ711-220415-  
/O.CON.TJSJ.SC.Y.0022.000000T0000Z-250423T0400Z/  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-  
403 PM AST MON APR 21 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST  
TUESDAY NIGHT...  
 
* WHAT...NORTH WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.  
SEAS 7 TO 9 FEET, OCCASIONALLY HIGHER.  
 
* WHERE...OFFSHORE ATLANTIC WATERS OF PUERTO RICO AND USVI.  
 
* WHEN...UNTIL MIDNIGHT AST TUESDAY NIGHT.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
AMZ712-716-742-220400-  
/O.CON.TJSJ.SC.Y.0022.000000T0000Z-250422T0400Z/  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-  
COASTAL WATERS FROM CABO SAN JUAN TO THE WATERS BETWEEN ANEGADA  
ISLAND AND VIRGIN GORDA AND NORTH 10 NM-  
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-  
403 PM AST MON APR 21 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST  
TONIGHT...  
 
* WHAT...SEAS 5 TO 8 FT, OCCASIONALLY HIGHER.  
 
* WHERE...COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM,  
COASTAL WATERS FROM CABO SAN JUAN TO THE WATERS BETWEEN  
ANEGADA ISLAND AND VIRGIN GORDA AND NORTH 10 NM AND COASTAL  
WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM.  
 
* WHEN...UNTIL MIDNIGHT AST TONIGHT.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
AMZ741-220415-  
/O.CON.TJSJ.SC.Y.0022.000000T0000Z-250422T1600Z/  
MONA PASSAGE SOUTHWARD TO 17N-  
403 PM AST MON APR 21 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON AST  
TUESDAY...  
 
* WHAT...SEAS 6 TO 7 FEET, OCCASIONALLY HIGHER.  
 
* WHERE...MONA PASSAGE.  
 
* WHEN...UNTIL NOON AST TUESDAY.  
 
* 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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