403  
WHCA72 TJSJ 221348  
MWWSJU  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN JUAN PR  
948 AM AST TUE APR 22 2025  
 
AMZ712-222200-  
/O.NEW.TJSJ.SC.Y.0023.250422T1348Z-250423T0400Z/  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-  
948 AM AST TUE APR 22 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT AST TONIGHT  
 
* WHAT...SEAS 5 TO 7 FT.  
 
* WHERE...COASTAL WATERS OF NORTHERN 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.  
 
 
 
 
 
AMZ741-222200-  
/O.EXT.TJSJ.SC.Y.0022.000000T0000Z-250423T0400Z/  
MONA PASSAGE SOUTHWARD TO 17N-  
948 AM AST TUE APR 22 2025  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT AST TONIGHT  
 
* WHAT...SEAS 5 TO 7 FT.  
 
* WHERE...MONA PASSAGE SOUTHWARD TO 17N.  
 
* 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.  
 
 
 
 
 
AMZ711-222200-  
/O.CON.TJSJ.SC.Y.0022.000000T0000Z-250423T0400Z/  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-  
948 AM AST TUE APR 22 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST TONIGHT...  
 
* WHAT...SEAS 6 TO 7 FT.  
 
* WHERE...ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO  
19.5N.  
 
* 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.  
 
 
 
 
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