311  
WHCA72 TJSJ 300756  
MWWSJU  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN JUAN PR  
356 AM AST TUE APR 30 2024  
 
AMZ726-301600-  
/O.EXB.TJSJ.SC.Y.0020.240430T1000Z-240430T2200Z/  
COASTAL WATERS EAST OF PUERTO RICO, AROUND VIEQUES, AND AROUND  
AND JUST NORTH OF CULEBRA AND SAINT JOHN-  
356 AM AST TUE APR 30 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM AST THIS EVENING
 
 
* WHAT...NORTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 30  
KNOTS. SEAS 6 TO 8 FEET WITH OCCASIONAL SEAS UP TO 10 FEET.  
 
* WHERE...COASTAL WATERS EAST OF PUERTO RICO, AROUND VIEQUES, AND  
AROUND AND JUST NORTH OF CULEBRA AND SAINT JOHN.  
 
* WHEN...UNTIL 6 PM AST THIS EVENING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
AND/OR SEAS OF 7 FEET OR GREATER ARE EXPECTED TO PRODUCE  
HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS,  
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID  
NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
AMZ711-712-301600-  
/O.CON.TJSJ.SC.Y.0020.000000T0000Z-240502T0400Z/  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-  
356 AM AST TUE APR 30 2024  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL WEDNESDAY  
NIGHT...  
 
* WHAT...NORTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 30  
KNOTS. SEAS 6 TO 8 FEET WITH OCCASIONAL SEAS UP TO 10 FEET.  
 
* WHERE...OFFSHORE ATLANTIC WATERS OF PUERTO RICO AND USVI.  
 
* WHEN...UNTIL WEDNESDAY NIGHT.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
AND/OR SEAS OF 7 FEET OR GREATER ARE EXPECTED TO PRODUCE  
HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS,  
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID  
NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
AMZ716-301600-  
/O.CON.TJSJ.SC.Y.0020.000000T0000Z-240501T2200Z/  
COASTAL WATERS FROM CABO SAN JUAN TO THE WATERS BETWEEN ANEGADA  
ISLAND AND VIRGIN GORDA AND NORTH 10 NM-  
356 AM AST TUE APR 30 2024  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST  
WEDNESDAY...  
 
* WHAT...NORTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 30  
KNOTS. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 FEET.  
 
* WHERE...COASTAL WATERS FROM CABO SAN JUAN TO THE WATERS  
BETWEEN ANEGADA ISLAND AND VIRGIN GORDA.  
 
* WHEN...THROUGH 6 PM AST WEDNESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
AND/OR SEAS OF 7 FEET OR GREATER ARE EXPECTED TO PRODUCE  
HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS,  
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID  
NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
AMZ723-741-742-301600-  
/O.CON.TJSJ.SC.Y.0020.000000T0000Z-240501T1600Z/  
ANEGADA PASSAGE EAST OF VIRGIN GORDA AND SAINT CROIX SOUTH TO 17N-  
MONA PASSAGE SOUTHWARD TO 17N-  
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-  
356 AM AST TUE APR 30 2024  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON AST  
WEDNESDAY...  
 
* WHAT...NORTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 30  
KNOTS. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 FEET.  
 
* WHERE...ANEGADA PASSAGE EAST OF VIRGIN GORDA AND SAINT CROIX  
SOUTH TO 17N AND COASTAL WATERS OF NORTHWESTERN PUERTO RICO  
OUT 10 NM.  
 
* WHEN...THROUGH 12 PM AST WEDNESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
AND/OR SEAS OF 7 FEET OR GREATER ARE EXPECTED TO PRODUCE  
HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS,  
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID  
NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
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