493  
FOCA52 TJSJ 132102  
AFMSJU  
 
AREA FORECAST MATRICES  
NATIONAL WEATHER SERVICE SAN JUAN PR  
502 PM AST SAT SEP 13 2025  
 
PRZ001-140800-  
SAN JUAN AND VICINITY-  
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,  
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 73 77 82 81 88 92 74 78 82 82 88 91 73 77 82  
TEMP 80 79 78 77 84 87 88 84 81 80 79 78 84 87 88 83 81 79 78 77 83  
DEWPT 75 76 75 75 77 77 77 77 76 76 76 75 77 77 78 77 76 77 76 75 77  
RH 85 91 91 94 80 72 70 80 85 88 91 91 80 72 72 82 85 94 94 94 82  
WIND DIR SE SE SE SE SE SE SE SE E SE SE SE SE E E E E E E E E  
WIND SPD 6 4 4 5 6 12 12 10 8 9 9 6 8 12 12 10 8 6 8 6 9  
CLOUDS FW SC FW FW SC B2 B2 B2 B2 B1 B1 B1 SC SC B2 B2 B1 B1 B1 B1 B1  
POP 12HR 20 70 50 60 40  
QPF 12HR 0.05-0.31 0.53-1.07 0.34-0.67 0.51-1.23 0.16-0.37  
SNOW 12HR MM MM MM  
RAIN SHWRS IS IS IS IS NM NM NM SC SC SC SC IS IS NM NM SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 85 81 93100101 94 88 84 82 81 93100101 93 86 83 80 93  
MAX HEAT 98 93 99 114 111 93 100 111 109 93 99  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 77 87 76 87 77 88 76 88  
TEMP 88 81 78 83 87 80 77 82 87 80 78 83 88 80 77 83 88 80  
DEWPT 78 76 76 77 77 75 75 77 77 76 75 76 77 76 75 76 78 76  
PWIND DIR E E E E E SE E SE E  
WIND CHAR GN LT GN LT GN LT GN LT GN  
AVG CLOUDS B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 SC B2 B1 B1 SC B1  
POP 12HR 60 50 60 60 70 50 60 40 40  
RAIN SHWRS SC SC SC SC SC NM NM NM NM NM SC SC IS SC SC SC IS SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS  
 
 
PRZ002-140800-  
NORTHEAST-  
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,  
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 66 75 82 71 86 92 68 77 82 72 87 92 68 77 82  
TEMP 79 77 76 75 82 85 86 82 80 78 77 77 83 86 87 83 80 79 78 77 83  
DEWPT 74 75 75 74 75 76 76 77 75 76 75 75 76 77 76 76 75 76 75 75 76  
RH 85 94 97 97 79 75 72 85 85 94 94 94 80 75 70 80 85 91 91 94 80  
WIND DIR SE SE SE E SE SE SE SE E E E E E E E E E E E E E  
WIND SPD 8 8 8 6 11 13 14 12 11 12 11 9 9 12 13 10 9 9 10 10 11  
WIND GUST 21 21 23 23 19 21 21 20 21  
CLOUDS SC B1 B1 B1 B2 OV B2 B2 OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 B2  
POP 12HR 60 70 70 60 50  
QPF 12HR 0.28-0.47 0.97-1.08 0.54-0.73 0.99-1.26 0.33-0.39  
SNOW 12HR MM MM MM  
RAIN SHWRS IS SC SC SC NM NM NM NM NM NM SC SC SC SC NM NM SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 82 88 95 96 90 84 81 90 97 97 91 85 83 80 91  
MAX HEAT 96 93 97 108 106 93 101 109 108 94 102  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 75 87 75 87 75 87 75 87  
TEMP 87 79 76 82 87 79 76 82 87 79 76 82 87 79 76 82 87 79  
DEWPT 76 74 75 76 76 74 74 75 75 74 74 75 75 74 74 75 75 74  
PWIND DIR E E E E E E E E E  
WIND CHAR GN LT LT GN GN GN GN LT GN  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC  
POP 12HR 60 60 60 60 60 50 40 40 40  
RAIN SHWRS NM NM NM NM NM NM NM NM NM NM SC SC SC SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS  
 
 
PRZ003-140800-  
SOUTHEAST-  
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,  
SALINAS, AND YABUCOA  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 69 76 82 76 86 92 71 77 82 77 87 92 70 77 82  
TEMP 79 78 77 76 82 85 86 82 80 78 77 77 83 86 87 82 80 78 77 77 83  
DEWPT 75 75 75 74 76 77 76 77 75 76 75 75 76 76 76 77 75 76 75 75 76  
RH 88 91 94 94 82 77 72 85 85 94 94 94 80 72 70 85 85 94 94 94 80  
WIND DIR E E E E E E SE E E E E E E E E E E NE NE NE E  
WIND SPD 6 6 6 6 8 13 11 10 10 11 10 9 9 11 11 9 8 8 8 8 9  
WIND GUST 28 21 23 24 24 18 18  
CLOUDS SC SC SC SC B1 OV B2 B2 B2 B2 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1  
POP 12HR 40 70 70 50 50  
QPF 12HR 0.14-0.43 0.90-1.13 0.56-0.73 0.17-1.24 0.17-0.39  
SNOW 12HR MM MM MM  
RAIN SHWRS IS IS IS SC SC NM NM NM NM NM NM SC SC SC IS IS SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 83 80 89 96 97 91 84 81 90 96 97 91 84 81 91  
MAX HEAT 99 93 97 108 107 93 98 108 107 93 99  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 76 87 75 86 75 87 75 87  
TEMP 87 79 77 82 87 79 76 82 86 79 76 82 87 78 76 82 87 79  
DEWPT 76 75 75 76 76 74 74 75 76 74 74 75 76 74 74 75 76 74  
PWIND DIR E NE E E E E E E E  
WIND CHAR GN LT LT LT GN LT GN LT GN  
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC B1 SC SC SC  
POP 12HR 60 50 60 60 50 40 40 40 30  
RAIN SHWRS SC SC SC SC SC SC NM SC SC SC SC SC IS SC SC SC IS SC  
TSTMS IS IS IS IS IS IS IS IS IS IS  
 
 
PRZ004-140800-  
EASTERN INTERIOR-  
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,  
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 73 77 74 85 91 70 74 79 75 85 92 69 74 78  
TEMP 77 75 74 73 80 84 85 80 78 76 75 74 81 84 85 80 77 75 74 74 81  
DEWPT 73 73 73 73 75 75 75 75 73 74 73 73 74 75 75 75 73 74 73 73 75  
RH 87 94 97100 85 74 72 85 85 94 94 97 79 74 72 85 87 97 97 97 82  
WIND DIR SE SE SE SE E SE SE SE E E E E E E E E E E E E E  
WIND SPD 4 4 4 4 6 11 11 9 6 8 6 5 6 9 10 8 4 4 3 3 6  
CLOUDS FW SC FW FW B1 OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 40 70 60 50 40  
QPF 12HR 0.10-0.38 0.79-1.07 0.43-0.71 0.21-1.25 0.16-0.39  
SNOW 12HR MM MM MM  
RAIN SHWRS IS IS IS IS SC NM NM NM NM SC SC SC SC SC NM NM SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 84 92 93 85 86 93 94 85 86  
MAX HEAT 95 87 96 107 105 89 97 107 106 88 97  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 73 85 73 85 73 86 72 85  
TEMP 86 77 74 80 85 76 74 80 85 76 74 80 86 76 73 80 85 76  
DEWPT 75 73 73 74 75 73 73 74 74 73 72 74 75 73 72 74 75 73  
PWIND DIR E NE E E E E E E E  
WIND CHAR GN LT LT LT GN LT GN LT GN  
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B1 B2 B1 SC SC B1 B1 SC SC B1  
POP 12HR 60 50 60 60 60 40 40 40 50  
RAIN SHWRS SC SC SC SC SC NM NM NM NM NM SC SC SC SC SC SC IS SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS  
 
 
PRZ005-140800-  
NORTH CENTRAL-  
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,  
MANATI, VEGA ALTA, AND VEGA BAJA  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 72 75 82 84 90 93 74 77 82 84 89 93 73 76 82  
TEMP 79 77 76 75 83 88 90 84 81 79 78 77 84 88 89 83 80 78 77 76 83  
DEWPT 75 75 74 74 77 78 78 77 76 75 75 74 77 78 78 77 76 76 75 75 78  
RH 88 94 94 97 82 72 68 80 85 88 91 90 80 72 70 82 88 94 94 97 85  
WIND DIR SE SE SE SE E E E E SE SE SE SE E E E E E E E E E  
WIND SPD 5 5 4 5 6 11 12 9 8 6 8 6 6 12 13 11 9 9 8 6 9  
WIND GUST 23 25 21  
CLOUDS FW FW CL CL FW FW B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC  
POP 12HR 5 40 20 50 40  
QPF 12HR 0.00-0.10 0.23-0.72 0.25-0.36 0.26-1.63 0.10-0.24  
SNOW 12HR MM MM MM  
RAIN SHWRS IS IS IS SC SC IS IS IS IS IS IS NM NM SC SC IS IS IS  
TSTMS IS IS IS IS IS IS  
HEAT INDEX 81 93103104 94 86 81 94102103 93 85 93  
MAX HEAT 98 92 100 117 114 92 100 115 112 92 100  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 89 76 88 75 87 75 88 74 88  
TEMP 89 80 77 83 88 79 76 82 87 79 76 83 88 79 75 82 88 79  
DEWPT 79 76 75 77 79 76 74 77 78 76 75 77 78 76 74 77 78 76  
PWIND DIR E E E E E SE E SE E  
WIND CHAR GN LT LT LT GN LT LT LT GN  
AVG CLOUDS SC B1 SC SC B1 B2 B1 B1 B1 B2 B1 SC SC B1 SC SC SC SC  
POP 12HR 40 20 80 40 70 40 60 20 40  
RAIN SHWRS SC SC IS IS SC D SC SC NM NM SC SC NM NM IS IS IS SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS  
 
 
PRZ006-140800-  
CENTRAL INTERIOR-  
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,  
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 63 72 76 72 83 92 64 73 77 71 83 91 64 72 76  
TEMP 75 73 72 72 78 82 83 79 76 75 74 73 79 82 83 78 76 74 73 72 79  
DEWPT 71 72 71 71 73 74 74 74 72 72 72 71 73 74 73 74 72 72 72 71 73  
RH 87 97 97 97 85 77 74 85 87 90 93 93 82 77 72 88 87 93 97 97 82  
WIND DIR SE SE SE E E SE SE SE E E E E E E E E E E E E E  
WIND SPD 3 3 3 4 4 10 9 6 4 6 6 4 5 9 10 6 4 4 3 3 4  
WIND GUST 27 20 23 23  
CLOUDS FW FW CL FW FW SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC FW  
POP 12HR 0 50 40 20 20  
QPF 12HR 0.00-0.17 0.26-1.51 0.28-0.57 0.17-1.31 0.05-0.22  
SNOW 12HR MM MM MM  
RAIN SHWRS IS SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS  
TSTMS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 81 88 89 82 82 88 89 82 82  
MAX HEAT 94 84 95 107 105 86 96 107 105 84 96  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 83 73 82 72 81 72 82 71 82  
TEMP 83 76 74 78 82 75 72 77 81 75 72 78 82 74 72 77 82 74  
DEWPT 74 72 72 73 74 72 71 73 74 72 71 73 74 72 71 73 74 72  
PWIND DIR E E E E E E E E E  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS SC B1 SC SC B1 B1 B1 B1 B1 B2 SC SC SC B1 SC SC SC B1  
POP 12HR 50 30 50 50 70 30 60 20 70  
RAIN SHWRS IS SC IS IS SC SC SC SC IS NM SC SC NM NM IS IS IS NM  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS  
 
 
PRZ007-140800-  
PONCE AND VICINITY-  
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,  
PONCE, AND SANTA ISABEL  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 65 76 82 72 88 94 67 77 82 72 87 93 66 76 82  
TEMP 79 77 76 76 83 87 88 83 80 79 78 77 83 86 87 83 79 78 77 76 83  
DEWPT 73 73 72 71 73 75 75 75 74 73 73 72 73 74 74 75 74 73 72 72 73  
RH 82 87 87 85 72 68 66 77 82 82 85 85 72 68 65 77 85 85 85 87 72  
WIND DIR E E NE E E SE SE E E E E E E E SE E E NE NE NE E  
WIND SPD 5 4 4 5 4 12 11 8 6 8 6 8 8 11 12 9 6 5 4 4 4  
WIND GUST 28 25 19 21 25 25 20  
CLOUDS FW FW CL FW FW SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC FW  
POP 12HR 5 50 40 30 10  
QPF 12HR 0.00-0.21 0.27-1.51 0.30-0.60 0.17-0.84 0.04-0.18  
SNOW 12HR MM MM MM  
RAIN SHWRS IS IS IS IS SC SC SC SC SC SC IS IS SC SC IS IS IS IS IS  
TSTMS IS IS IS IS IS IS IS IS  
HEAT INDEX 83 89 96 97 91 86 82 80 89 95 96 90 84 80 89  
MAX HEAT 99 92 97 110 108 93 98 108 107 93 98  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 77 87 76 86 76 87 75 87  
TEMP 88 80 77 83 87 79 76 82 86 79 76 82 87 79 76 82 87 79  
DEWPT 75 74 72 73 75 74 72 73 75 73 72 73 75 74 72 73 74 74  
PWIND DIR E NE E E E E E E E  
WIND CHAR GN LT LT LT GN LT GN LT LT  
AVG CLOUDS SC SC FW SC SC B1 SC SC SC B1 SC FW FW SC FW FW SC SC  
POP 12HR 40 20 50 10 50 10 40 5 50  
RAIN SHWRS IS IS IS IS IS SC IS IS SC SC IS IS SC SC IS IS SC SC  
TSTMS IS IS IS IS IS IS IS IS  
 
 
PRZ008-140800-  
NORTHWEST-  
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,  
AND QUEBRADILLAS  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 70 74 82 84 89 96 72 76 82 84 88 96 71 75 82  
TEMP 78 76 75 74 83 88 89 83 80 78 77 76 83 87 88 83 79 77 76 75 83  
DEWPT 74 74 73 71 74 76 77 75 75 74 73 73 75 76 76 75 75 75 74 73 75  
RH 88 94 94 90 74 68 68 77 85 88 87 90 77 70 68 77 88 94 94 94 77  
WIND DIR SE SE SE SE E E E E SE E E E E E E E E E E E E  
WIND SPD 5 4 4 4 8 10 9 5 8 9 8 8 8 11 14 12 11 11 11 9 10  
WIND GUST 20 26 23 23 21 19  
CLOUDS SC SC CL CL FW CL B2 B2 SC SC SC SC SC SC OV OV B2 B2 FW FW FW  
POP 12HR 20 70 20 70 60  
QPF 12HR 0.01-0.13 0.44-1.51 0.20-0.29 1.09-1.74 0.11-0.20  
SNOW 12HR MM MM MM  
RAIN SHWRS IS IS NM NM IS IS IS IS IS IS NM NM NM NM IS IS  
TSTMS IS IS IS IS IS IS IS  
HEAT INDEX 89 99101 91 83 90 98 99 90 82 90  
MAX HEAT 97 91 98 116 113 92 100 114 111 92 101  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 89 76 87 74 87 74 87 74 87  
TEMP 89 80 77 83 87 78 75 82 87 78 75 82 87 78 75 82 87 78  
DEWPT 77 76 74 75 77 75 73 74 76 75 73 74 76 74 73 74 76 75  
PWIND DIR E E E E E E E SE E  
WIND CHAR GN GN LT LT GN LT LT LT LT  
AVG CLOUDS SC B1 SC SC B1 B2 B1 SC SC B2 B1 B1 B1 B1 SC SC B1 SC  
POP 12HR 60 10 80 40 70 40 60 30 40  
RAIN SHWRS NM NM IS IS D D SC SC NM NM SC SC NM NM IS IS SC SC  
TSTMS IS IS IS IS IS IS IS IS IS  
 
 
PRZ009-140800-  
WESTERN INTERIOR-  
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,  
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 66 72 76 73 86 96 68 74 78 74 85 95 67 73 76  
TEMP 76 74 73 72 80 84 86 81 77 76 75 74 80 84 85 80 76 75 73 73 80  
DEWPT 72 72 71 70 72 74 74 73 72 73 71 70 72 73 73 73 72 72 72 70 73  
RH 87 93 93 93 77 72 68 77 85 90 87 87 77 70 67 79 87 90 97 90 79  
WIND DIR SE SE SE SE E SE SE SE E E E E E E E E E E E E E  
WIND SPD 3 3 3 3 3 6 6 4 4 4 4 4 4 6 6 5 4 4 4 4 4  
WIND GUST 25 24 23 24 19  
CLOUDS FW FW CL CL CL CL B2 B2 SC SC SC SC SC SC B2 B2 B1 B1 FW FW CL  
POP 12HR 0 70 30 70 30  
QPF 12HR 0.01 0.27-1.51 0.20-0.39 0.58-1.72 0.04-0.17  
SNOW 12HR MM MM MM  
RAIN SHWRS IS NM NM SC IS IS IS IS IS NM NM SC SC  
TSTMS IS IS IS IS IS IS  
HEAT INDEX 84 92 93 85 85 91 92 84 84  
MAX HEAT 98 86 98 114 112 90 98 110 108 87 97  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 73 84 72 84 72 84 72 84  
TEMP 86 77 74 80 84 76 73 79 84 76 73 79 84 75 72 79 84 76  
DEWPT 75 73 71 73 74 72 71 72 74 72 71 72 74 72 71 72 73 72  
PWIND DIR E E E E E E E E E  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC B1 FW FW B1 B2 SC SC SC B1 SC SC SC B1 SC SC SC B1  
POP 12HR 70 10 80 30 60 20 60 10 70  
RAIN SHWRS NM NM IS IS IS D IS IS NM NM IS IS IS NM IS IS NM NM  
TSTMS IS IS IS IS IS IS IS IS IS IS  
 
 
PRZ010-140800-  
MAYAGUEZ AND VICINITY-  
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,  
MOCA, RINCON, AND SAN GERMAN  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 71 75 82 79 91 96 72 77 82 78 91 96 71 76 82  
TEMP 80 78 76 76 85 90 91 85 81 79 78 77 85 90 91 84 80 78 77 76 85  
DEWPT 75 75 74 72 75 77 77 77 76 75 74 73 75 76 76 77 76 75 74 73 75  
RH 85 91 94 87 72 66 64 77 85 88 88 87 72 64 62 80 88 91 90 90 72  
WIND DIR E E E E E SE E E E E E E E E E E E E E E E  
WIND SPD 6 6 6 4 5 6 5 4 6 8 8 8 6 6 6 5 6 9 9 6 6  
WIND GUST 18 16 18 17 17 20 24 23 26 25 25 23 20 16 17 23 21 21 20  
CLOUDS SC FW CL CL CL CL B2 B2 SC SC SC SC B1 B1 B2 B2 B1 B1 FW FW CL  
POP 12HR 10 70 30 70 40  
QPF 12HR 0.00-0.08 0.17-1.51 0.22-0.64 0.71-1.74 0.01-0.19  
SNOW 12HR MM MM MM  
RAIN SHWRS IS IS NM NM SC IS IS IS SC SC NM NM SC SC  
TSTMS IS IS IS IS IS IS  
HEAT INDEX 83 93103105 95 87 81 94102103 94 85 94  
MAX HEAT 98 91 99 116 113 94 101 115 113 94 101  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 92 76 90 75 90 75 90 75 90  
TEMP 92 81 77 84 90 80 76 84 90 80 76 84 90 79 76 84 90 80  
DEWPT 78 76 74 75 77 75 74 75 77 75 74 75 77 75 74 75 76 75  
PWIND DIR E E E E SE E E E E  
WIND CHAR GN GN LT LT LT LT LT LT LT  
AVG CLOUDS SC B1 FW FW SC B2 SC SC SC B1 B1 B1 B1 B1 FW SC SC SC  
POP 12HR 70 5 80 30 50 40 60 20 60  
RAIN SHWRS NM NM IS IS IS D SC SC SC SC SC SC IS NM IS IS IS NM  
TSTMS IS IS IS IS IS IS IS IS IS IS  
 
 
PRZ011-140800-  
SOUTHWEST-  
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 73 76 82 84 93 96 75 78 82 84 93 96 72 76 82  
TEMP 81 79 77 77 86 91 93 87 82 80 79 78 86 91 93 85 81 78 77 76 86  
DEWPT 76 75 74 73 75 78 78 78 77 76 74 73 76 77 78 77 77 76 74 73 75  
RH 85 88 90 87 70 66 62 75 85 88 85 85 72 64 62 77 88 94 90 90 70  
WIND DIR E E E E E E SE SE E E E E E E SE E E E NE NE E  
WIND SPD 9 10 9 5 5 14 14 12 12 11 10 10 11 13 14 12 10 6 6 3 3  
WIND GUST 20 23 21 29 31 26 31 26 23 23 24 27 31 26 23  
CLOUDS FW FW CL CL FW FW SC SC B1 SC SC SC B1 B1 B1 B1 SC SC FW FW FW  
POP 12HR 0 40 40 40 10  
QPF 12HR 0.01 0.19-0.59 0.32-0.46 0.54-1.25 0.06  
SNOW 12HR MM MM MM  
RAIN SHWRS IS IS SC SC SC SC SC SC SC SC IS IS IS IS  
TSTMS IS IS IS  
HEAT INDEX 87 80 95106108 99 91 85 80 80 96105107 96 87 80 95  
MAX HEAT 99 91 99 115 114 94 100 114 111 93 99  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 94 76 92 76 92 76 92 76 92  
TEMP 94 82 77 85 92 81 77 85 92 81 77 85 92 81 77 85 92 81  
DEWPT 79 77 74 75 78 76 74 75 78 76 74 75 78 76 74 75 77 76  
PWIND DIR E NE E E SE E SE E SE  
WIND CHAR GN LT GN GN GN GN GN LT GN  
AVG CLOUDS SC SC SC SC SC B1 SC SC SC SC SC SC SC SC CL CL SC SC  
POP 12HR 30 10 60 10 30 10 40 0 60  
RAIN SHWRS SC IS IS IS IS NM IS IS IS SC IS IS SC SC SC SC  
TSTMS IS IS IS IS  
 
 
PRZ012-140800-  
CULEBRA-  
INCLUDING THE CITY OF CULEBRA  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 76 79 82 84 88 91 79 84 89 92 80  
TEMP 82 81 80 79 84 87 88 84 82 81 80 79 85 88 89 85 83 81 81 80 84  
DEWPT 77 77 77 77 78 78 78 79 77 78 77 77 78 78 78 78 78 78 78 78 78  
RH 85 88 91 94 82 75 72 85 85 91 91 94 80 72 70 80 85 91 91 94 82  
WIND DIR E E E E E E E E E E E E E E E E E E E E E  
WIND SPD 14 14 13 14 19 19 18 18 19 19 18 14 16 19 18 16 17 19 19 18 19  
CLOUDS B1 B1 B2 B2 B2 OV B2 B2 OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 60 70 70 60 50  
QPF 12HR 0.48 1.07 0.70 0.95 0.39  
SNOW 12HR MM MM MM  
RAIN SHWRS SC SC SC SC NM NM NM NM NM NM SC SC SC SC NM NM SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 89 87 84 83 95100100 96 90 88 84 83 96101102 97 92 90 88 87 96  
MAX HEAT 98 93 100 108 107 94 101 111 109 95 101  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 79 89 78 88 78 88 79 88  
TEMP 88 82 79 84 89 82 79 84 88 81 79 84 88 82 79 84 88 83  
DEWPT 78 77 77 77 77 76 77 77 77 76 76 77 76 76 76 77 76 76  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ BZ GN BZ GN GN GN  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B1 B1 B1 SC B1  
POP 12HR 60 60 60 60 40 50 50 30 40  
RAIN SHWRS SC NM NM NM NM NM NM NM SC SC SC SC SC SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS  
 
 
PRZ013-140800-  
VIEQUES-  
INCLUDING THE CITY OF VIEQUES  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 75 78 82 82 88 91 75 78 82 83 89 92 80  
TEMP 81 79 78 78 84 87 88 84 81 80 79 78 85 88 89 85 83 81 80 80 85  
DEWPT 75 76 75 76 76 77 76 76 75 77 76 76 77 77 76 76 76 77 76 77 77  
RH 82 91 91 94 77 72 68 77 82 91 91 94 77 70 66 75 80 88 88 91 77  
WIND DIR E E E E E SE SE E E E E E E E E E E E E E E  
WIND SPD 14 14 12 13 18 19 18 18 18 19 19 16 14 18 17 16 17 18 18 18 18  
CLOUDS B1 B1 B2 B2 B2 OV B2 B2 OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 60 70 70 60 50  
QPF 12HR 0.48 1.07 0.71 0.95-1.01 0.39  
SNOW 12HR MM MM MM  
RAIN SHWRS SC SC SC SC NM NM NM NM NM NM SC SC SC SC NM NM SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 86 82 80 92 98 98 92 87 84 80 80 94100100 95 90 88 85 85 95  
MAX HEAT 94 92 96 104 102 92 99 106 104 92 99  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 89 77 89 77 89 77 89 77 88  
TEMP 89 81 78 84 89 81 78 84 89 81 78 84 89 80 77 83 88 81  
DEWPT 76 75 76 76 75 75 75 76 75 75 75 75 75 75 75 76 74 74  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ GN BZ GN GN GN GN GN  
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1  
POP 12HR 60 60 60 60 40 50 50 40 40  
RAIN SHWRS SC NM NM NM NM NM NM NM SC SC SC SC SC SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS  
 
 
VIZ001-140800-  
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-  
INCLUDING THE CITIES OF ANNA'S RETREAT, CHARLOTTE AMALIE,  
CHARLOTTE AMALIE EAST, CHARLOTTE AMALIE WEST, AND CRUZ BAY  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 71 78 82 80 85 90 72 78 82 81 86 91 72 78 82  
TEMP 80 79 78 78 82 84 85 82 80 79 78 78 83 85 86 83 81 79 79 78 82  
DEWPT 76 77 76 76 77 77 76 77 76 77 77 76 77 77 76 78 77 77 77 77 77  
RH 88 94 94 94 85 80 75 85 88 94 97 94 82 77 72 85 88 94 94 97 85  
WIND DIR E E E E E E SE E E E E E E E E E E E E E E  
WIND SPD 14 17 16 16 19 19 18 18 19 20 17 17 17 19 18 17 18 19 19 19 19  
CLOUDS B1 B1 B2 B2 B1 B2 B2 B2 B2 B1 B2 B2 B1 B1 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 50 60 60 60 40  
QPF 12HR 0.43 0.86-0.96 0.61-0.67 0.93 0.25-0.35  
SNOW 12HR MM MM MM  
RAIN SHWRS SC SC SC SC SC SC NM SC NM SC SC SC SC SC NM NM SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 85 84 81 80 89 94 94 90 85 83 81 81 91 96 95 91 87 84 81 81 90  
MAX HEAT 98 93 100 106 104 93 100 107 106 94 100  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 85 77 84 77 83 77 85 77 86  
TEMP 85 80 78 81 84 79 77 81 83 79 77 82 85 79 77 82 86 81  
DEWPT 76 76 76 77 76 76 76 76 75 75 76 76 75 76 76 76 75 75  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ BZ GN GN BZ BZ GN  
AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC B1  
POP 12HR 50 60 60 50 50 40 50 30 40  
RAIN SHWRS SC SC SC NM NM SC SC SC SC SC SC SC SC SC IS SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS  
 
 
VIZ002-140800-  
ST CROIX-  
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,  
FREDERIKSTED SOUTHEAST, AND GROVE PLACE  
502 PM AST SAT SEP 13 2025  
 
DATE 09/13/25 SUN 09/14/25 MON 09/15/25 TUE  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 79 84 89 93 80 84 89 92 80  
TEMP 82 81 80 79 85 88 89 85 83 82 81 80 85 88 89 85 82 81 80 80 84  
DEWPT 76 76 76 76 77 77 77 77 77 77 77 76 77 77 77 78 77 77 77 77 77  
RH 82 85 88 91 77 70 68 77 82 85 88 88 77 70 68 80 85 88 91 91 80  
WIND DIR E E E E E E SE E E E E E E E E E E E E E E  
WIND SPD 12 14 12 13 17 18 17 16 14 17 13 13 14 17 17 14 13 16 16 16 16  
CLOUDS B1 B1 B2 B2 B1 B2 B2 B2 OV B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1  
POP 12HR 50 70 70 50 50  
QPF 12HR 0.43 0.88 0.70 0.45-0.73 0.36  
SNOW 12HR MM MM MM  
RAIN SHWRS SC SC SC SC SC SC SC SC NM NM SC SC SC SC SC SC SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 90 87 84 84 95101102 97 92 90 87 86 96100101 96 91 89 86 86 94  
MAX HEAT 98 93 102 111 109 96 101 109 108 94 100  
 
DATE 09/16 WED 09/17/25 THU 09/18/25 FRI 09/19/25 SAT 09/20/25  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 79 88 78 87 78 87 79 88  
TEMP 87 82 79 84 88 81 79 84 87 81 79 84 87 81 79 84 88 82  
DEWPT 77 76 77 77 76 76 76 76 76 75 76 76 76 76 75 76 76 75  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ GN GN BZ GN GN GN GN GN  
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC B1  
POP 12HR 50 60 60 50 50 50 50 30 40  
RAIN SHWRS SC SC SC NM NM SC SC SC SC SC SC SC SC SC IS SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS  
 
 
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