139  
WHCA72 TJSJ 210849  
MWWSJU  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN JUAN PR  
449 AM AST MON APR 21 2025  
 
AMZ716-211700-  
/O.EXA.TJSJ.SC.Y.0022.000000T0000Z-250422T0400Z/  
COASTAL WATERS FROM CABO SAN JUAN TO THE WATERS BETWEEN ANEGADA  
ISLAND AND VIRGIN GORDA AND NORTH 10 NM-  
449 AM AST MON APR 21 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT AST TONIGHT  
 
* WHAT...SEAS 5 TO 7 FT.  
 
* WHERE...COASTAL WATERS FROM CABO SAN JUAN TO THE WATERS  
BETWEEN ANEGADA ISLAND AND VIRGIN GORDA AND NORTH 10 NM.  
 
* WHEN...UNTIL MIDNIGHT AST MONDAY 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.  
 
 
 
 
 
AMZ711-211700-  
/O.CON.TJSJ.SC.Y.0022.000000T0000Z-250423T0400Z/  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-  
449 AM AST MON APR 21 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST  
TUESDAY NIGHT...  
 
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 7 TO 9 FT.  
 
* WHERE...ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO  
19.5N AND MONA PASSAGE SOUTHWARD TO 17N.  
 
* 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.  
 
 
 
 
 
AMZ712-742-211700-  
/O.CON.TJSJ.SC.Y.0022.000000T0000Z-250422T0400Z/  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-  
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-  
449 AM AST MON APR 21 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST  
TONIGHT...  
 
* WHAT...SEAS 5 TO 7 FT.  
 
* WHERE...COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM AND  
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM.  
 
* WHEN...UNTIL MIDNIGHT AST MONDAY 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.  
 
 
 
 
 
AMZ741-211700-  
/O.CON.TJSJ.SC.Y.0022.000000T0000Z-250422T1600Z/  
MONA PASSAGE SOUTHWARD TO 17N-  
449 AM AST MON APR 21 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON AST  
TUESDAY...  
 
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 5 TO 8 FT.  
 
* WHERE...ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO  
19.5N AND MONA PASSAGE SOUTHWARD TO 17N.  
 
* 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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