045  
FNCA72 TJSJ 011104  
FWSSJU  
 
SPOT FORECAST FOR CHARLIE RX...PRFD  
NATIONAL WEATHER SERVICE SAN JUAN PR  
704 AM AST FRI MAY 1 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 AST ON MAY 01.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS  
WITH THIS FORECAST AT  
PHONE: 787-253-4586.  
   
DISCUSSION  
PARTLY SUNNY TO CLOUDY SKIES ARE EXPECTED TODAY  
ACROSS SOUTHEASTERN PUERTO RICO. SHOWERS AND ISOLATED  
THUNDERSTORMS ARE EXPECTED TO DEVELOP MAINLY OVER THE MOUNTAINS  
INTO THE WESTERN SECTIONS OF THE ISLAND. ISOLATED TO SCATTERED  
SHOWERS ARE POSSIBLE ACROSS SOUTHEASTERN PR THIS AFTERNOON. WINDS  
ARE EXPECTED TO PREVAIL FROM THE EAST TO SOUTHEAST BETWEEN 8 AND  
14 MPH WITH HIGHER GUSTS AT TIMES.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SCATTERED SHOWERS  
THROUGH THE DAY. ISOLATED THUNDERSTORMS LATE IN  
THE AFTERNOON.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....AROUND 87.  
MIN HUMIDITY........54 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 12 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE  
AFTERNOON.  
TRANSPORT WINDS.....EAST 8 TO 12 MPH.  
DISPERSION..........5.  
 
TIME (AST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........50 50 50 50 50 57 57 57 61 61 61  
WEATHER COV.....SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ ISO ISO ISO  
CHC OF PCPN (%).30 30 30 30 30 40 40 40 40 40 40  
TEMP............79 81 83 84 85 86 87 87 86 85 83  
RH..............74 69 66 65 62 59 56 54 55 59 65  
20 FT WIND DIR..E E E SE SE SE SE SE SE SE SE  
20 FT WIND SPD..5 6 7 7 8 8 8 9 9 10 12  
20 FT WIND GUST.6 7 8 8 9 9 9 10 10 12 13  
TRANSP WIND DIR.E E E E E E E E E E E  
TRANSP WIND SPD.8 9 9 8 8 8 8 9 10 12 12  
DISPERSION......4 6 6 6 6 6 6 6 6 6 6  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). ISOLATED  
SHOWERS.  
CHANCE OF PCPN......20 PERCENT.  
MIN TEMPERATURE.....AROUND 73.  
MAX HUMIDITY........84 PERCENT.  
WIND (20 FT)........EAST WINDS 6 TO 10 MPH.  
TRANSPORT WINDS.....NORTHEAST 6 TO 10 MPH.  
DISPERSION..........5.  
 
TIME (AST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........29 29 29 30 30 30 36 36 36 30 30 30  
WEATHER COV.....ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 10 20 20 20 10 10 10  
TEMP............80 79 78 77 76 75 75 74 73 73 73 75  
RH..............72 77 80 82 83 84 83 83 83 83 83 80  
20 FT WIND DIR..E E E E E E E E E E NE NE  
20 FT WIND SPD..10 9 8 7 7 7 7 6 6 6 6 7  
20 FT WIND GUST.12 10 9 8 8 8 8 7 7 7 7 8  
TRANSP WIND DIR.E E E E NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.10 9 8 8 7 7 7 6 6 6 6 7  
DISPERSION......6 6 3 3 3 3 3 3 3 3 3 3  
   
SATURDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). ISOLATED SHOWERS.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 87.  
MIN HUMIDITY........51 PERCENT.  
WIND (20 FT)........EAST WINDS 7 TO 15 MPH.  
TRANSPORT WINDS.....EAST 8 TO 16 MPH.  
DISPERSION..........5.  
 
TIME (AST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........41 41 41 39 39 39 40 40 40 40 40 40  
WEATHER COV.....ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CHC OF PCPN (%).20 20 20 20 20 20 20 20 20 20 20 20  
TEMP............77 79 81 83 84 85 86 87 87 86 85 83  
RH..............77 74 71 68 64 60 56 53 51 51 54 58  
20 FT WIND DIR..E E E E E E E SE SE SE E E  
20 FT WIND SPD..7 8 9 10 13 15 15 15 14 14 13 13  
20 FT WIND GUST.8 9 10 12 22 24 25 24 23 23 22 21  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.8 10 13 14 15 16 16 16 16 16 16 15  
DISPERSION......3 3 6 6 6 6 6 6 6 6 6 6  
 
 
FORECASTER...D. SANCHEZ  
REQUESTED BY...JOSE M. MARTINEZ  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2612366.0/SJU  
.DELDT 05/01/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JOSEMARTIN@DSP.PR.GOV  
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