823  
FLCA42 TJSJ 200900  
HWOSJU  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE SAN JUAN PR  
500 AM AST SUN JUL 20 2025  
 
AMZ711>745-PRZ001>013-210900-  
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-  
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-  
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-  
THE NEARSHORE AND OFF SHORE ATLANTIC AND CARIBBEAN COASTAL WATERS-  
500 AM AST SUN JUL 20 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF PUERTO RICO.  
   
DAY ONE
 
TODAY AND TONIGHT  
   
LIGHTNING
 
ISOLATED THUNDERSTORMS, PARTICULARLY ACROSS  
INTERIOR INTO WESTERN AND NORTHWESTERN SECTIONS. STAY ALERT AND  
BE PREPARED TO TAKE SHELTER IF STORMS DEVELOP.  
   
EXCESSIVE RAINFALL
 
FLOODING IN URBAN AREAS, ROADS, SMALL  
STREAMS, AND WASHES, PARTICULARLY ACROSS THE WESTERN AND NORTHWESTERN  
SECTION. THERE IS A LOW CHANCE OF ISOLATED FLASH FLOODS.  
ELSEWHERE, PLAN FOR WATER PONDING ON ROADS AND IN POORLY DRAINED  
AREAS.  
   
EXCESSIVE HEAT
 
THIS LEVEL OF HEAT AFFECTS MOST INDIVIDUALS  
SENSITIVE TO HEAT, ESPECIALLY THOSE WITHOUT EFFECTIVE COOLING  
AND/OR ADEQUATE HYDRATION. THOSE EXTREMELY SENSITIVE TO HEAT FACE  
THE HIGHEST RISK. SOME HEALTH SYSTEMS AND HEAT-SENSITIVE  
INDUSTRIES COULD BE AFFECTED. THESE CONDITIONS ARE MOST LIKELY  
ACROSS URBAN AND LOWER ELEVATION AREAS.  
   
RIP CURRENTS
 
LIFE-THREATENING RIP CURRENTS ARE POSSIBLE IN THE  
SURF ZONE, PARTICULARLY ACROSS CULEBRA. ISOLATED STRONGER RIP  
CURRENTS MAY OCCUR ELSEWHERE, ESPECIALLY NEAR PIERS, JETTIES, AND  
CHANNELS.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY  
 
A LIMITED TO ELEVATED RISK OF HEAT WILL PERSIST FOR THE NEXT FEW  
DAYS. SHOWERS AND ISOLATED THUNDERSTORMS ARE LIKELY ALMOST EVERY  
DAY, MAINLY OVER WESTERN/NORTHWESTERN SECTORS. A ROBUST TROPICAL  
WAVE COULD BRING A WET AND UNSTABLE WEATHER AROUND FRIDAY.  
INCREASING WINDS WILL ELEVATE RIP CURRENT RISK AND SPREAD ACROSS  
NORTHERN AND EASTERN BEACHES INCLUDING VIEQUES AND CULEBRA.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 

 
 
AMZ716-726-VIZ001-002-210900-  
ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX-  
NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS-  
500 AM AST SUN JUL 20 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF USVI.  
   
DAY ONE
 
TODAY AND TONIGHT  
   
EXCESSIVE HEAT
 
THIS LEVEL OF HEAT AFFECTS PRIMARILY THOSE  
INDIVIDUALS EXTREMELY SENSITIVE TO HEAT, ESPECIALLY WHEN OUTDOORS  
WITHOUT EFFECTIVE COOLING AND/OR ADEQUATE HYDRATION. THESE  
CONDITIONS ARE MOST LIKELY ACROSS URBAN AND LOWER ELEVATION AREAS.  
   
WIND
 
BREEZY CONDITIONS (18-22 KTS | 21-25 MPH), PARTICULARLY  
ACROSS ST. THOMAS AND ST. JOHN. UNSECURED ITEMS COULD BLOW  
AROUND.  
   
RIP CURRENTS
 
LIFE-THREATENING RIP CURRENTS ARE POSSIBLE IN THE  
SURF ZONE, PARTICULARLY ACROSS ST. CROIX. ISOLATED STRONGER RIP  
CURRENTS MAY OCCUR ELSEWHERE, ESPECIALLY NEAR PIERS, JETTIES, AND  
CHANNELS.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY  
 
THE LIMITED RISK OF HEAT WILL PERSIST FOR THE NEXT FEW DAYS. A  
ROBUST TROPICAL WAVE COULD BRING A WET AND UNSTABLE WEATHER AROUND  
FRIDAY. INCREASING WINDS WILL ELEVATE RIP CURRENT RISK AND SPREAD  
ACROSS MOST BEACHES OF THE U.S. VIRGIN ISLANDS.  
 
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab PR Page Main Text Page