564
FOCA52 TJSJ 130902
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
502 AM AST SAT SEP 13 2025
PRZ001-132000-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 81 88 91 73 77 82 81 88 92 74 78 82 82 88 91
TEMP 83 87 88 83 80 79 78 77 84 87 88 84 81 80 79 78 84 87 88 83 81
DEWPT 76 77 77 76 75 76 75 75 77 77 77 77 76 76 76 75 77 77 78 77 76
RH 80 72 70 80 85 91 91 94 80 72 70 80 85 88 91 91 80 72 72 82 85
WIND DIR SE E E E SE SE SE SE SE E E E SE SE E E E E E E E
WIND SPD 3 8 11 10 6 4 5 5 6 12 12 10 6 6 6 6 8 13 12 10 6
CLOUDS SC SC B1 B1 CL FW CL FW SC B1 B1 B1 B1 B1 B1 B1 SC SC B2 B2 B1
POP 12HR 70 20 70 60 60
QPF 12HR 0.91-1.82 0.05-0.27 0.53-1.07 0.41-0.97 0.49-1.20
SNOW 12HR MM MM MM
RAIN SHWRS IS SC NM NM IS IS IS IS NM NM NM SC SC SC SC IS IS NM NM SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 92 99100 92 85 81 93100101 94 88 84 82 81 93100101 93 86
MAX HEAT 98 111 110 93 99 114 111 93 100 111 109
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 77 88 77 87 76 87 77 88
TEMP 78 83 88 81 78 83 87 80 77 82 87 80 78 83 88 80
DEWPT 76 77 78 76 76 77 77 75 75 77 77 76 75 76 77 76
PWIND DIR E E E E E E SE E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS B1 B1 B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 SC B2
POP 12HR 40 60 50 60 60 70 50 60
RAIN SHWRS SC SC SC SC SC SC SC NM NM NM NM NM SC SC IS SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
PRZ002-132000-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 72 87 91 66 75 82 71 86 92 68 77 82 72 87 92
TEMP 82 86 87 82 79 77 76 75 82 85 86 82 80 78 77 77 83 86 87 83 80
DEWPT 75 76 75 75 74 75 75 74 75 76 76 77 75 76 75 75 76 77 76 76 75
RH 79 72 68 79 85 94 97 97 79 75 72 85 85 94 94 94 80 75 70 80 85
WIND DIR E E E E E E SE SE E E E E E E E E E E E E E
WIND SPD 5 9 10 10 9 8 8 6 10 13 13 11 11 11 11 9 10 12 11 11 9
WIND GUST 21 23 21 19 19
CLOUDS SC SC SC SC FW SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B1
POP 12HR 40 60 70 70 60
QPF 12HR 0.24-1.48 0.25-0.41 0.98-1.08 0.83-1.00 0.96-1.23
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC IS SC SC SC NM NM NM NM NM NM NM NM SC SC NM NM SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 89 95 95 88 82 88 95 96 90 84 81 90 97 97 91 85
MAX HEAT 97 106 105 93 97 108 106 93 101 109 108
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 77 87 75 87 75 87 75 87
TEMP 78 83 87 79 76 82 87 79 76 82 87 79 76 82 87 79
DEWPT 75 76 76 74 75 76 76 74 74 75 75 74 74 75 75 74
PWIND DIR E E E E E E E E
WIND CHAR GN GN LT GN GN GN LT LT
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1
POP 12HR 50 60 60 60 60 60 50 40
RAIN SHWRS SC SC NM NM NM NM NM NM NM NM NM NM SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS
PRZ003-132000-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 77 87 92 69 76 82 76 86 92 71 77 82 77 87 92
TEMP 82 86 87 82 79 78 77 76 82 85 86 82 80 78 77 77 83 86 87 82 80
DEWPT 75 76 75 76 75 75 75 74 76 77 76 77 75 76 75 75 76 76 76 77 75
RH 79 72 68 82 88 91 94 94 82 77 72 85 85 94 94 94 80 72 70 85 85
WIND DIR E E SE E E E E E E E E E E E E E E E E E NE
WIND SPD 4 10 11 10 8 6 8 5 8 11 11 9 9 9 9 9 9 12 10 9 8
WIND GUST 20 24 21 27 24 21
CLOUDS SC SC SC SC FW SC FW SC SC B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC B1
POP 12HR 40 40 70 70 50
QPF 12HR 0.07-0.42 0.13-0.39 0.90-1.13 0.77-1.00 0.16-1.20
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC IS IS IS IS SC SC NM NM NM NM NM NM NM SC SC IS IS SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 89 96 96 89 83 80 89 96 97 91 84 81 90 96 97 91 84
MAX HEAT 97 107 107 93 97 108 107 93 98 108 107
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 77 87 76 87 75 86 75 87
TEMP 77 83 87 79 77 82 87 79 76 82 86 79 76 82 87 78
DEWPT 75 76 76 75 75 76 76 74 74 75 76 74 74 75 76 74
PWIND DIR NE E NE E E E E E
WIND CHAR GN GN LT GN LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC
POP 12HR 50 60 50 60 60 50 40 40
RAIN SHWRS SC SC SC SC SC SC SC SC NM SC SC SC SC SC IS SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS
PRZ004-132000-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 75 85 92 68 73 77 74 85 91 70 74 79 75 85 92
TEMP 80 84 85 80 77 75 74 73 80 84 85 80 78 76 75 74 81 84 85 80 77
DEWPT 74 75 74 74 73 73 73 73 75 75 75 75 73 74 73 73 74 75 75 75 73
RH 82 74 70 82 87 94 97100 85 74 72 85 85 94 94 97 79 74 72 85 87
WIND DIR E SE SE E E E SE SE E E E SE E E E E E E E E E
WIND SPD 3 8 10 9 4 4 5 3 5 10 10 9 5 5 5 5 6 10 9 8 4
CLOUDS FW SC SC SC FW FW FW FW SC B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 40 40 70 70 50
QPF 12HR 0.14-1.68 0.09-0.33 0.79-1.07 0.58-0.99 0.19-1.21
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS IS IS IS SC NM NM NM NM NM NM NM SC SC NM NM SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 84 92 93 84 84 92 93 85 86 93 94 85
MAX HEAT 97 107 105 87 96 107 105 89 97 107 106
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 74 86 73 85 73 85 73 86
TEMP 74 81 86 77 74 80 85 76 74 80 85 76 74 80 86 76
DEWPT 73 75 75 73 73 74 75 73 73 74 74 73 72 74 75 73
PWIND DIR E E NE E E E E E
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B2 B1 SC SC B1
POP 12HR 40 60 50 60 60 60 40 40
RAIN SHWRS SC SC SC SC SC SC SC NM NM NM NM NM SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS
PRZ005-132000-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 84 88 92 72 75 82 84 90 93 74 77 82 84 89 93
TEMP 82 87 88 82 79 77 76 75 83 88 90 84 81 79 78 77 84 88 89 83 80
DEWPT 76 78 78 76 75 75 74 74 77 78 78 77 76 75 75 74 77 78 78 77 76
RH 82 75 72 82 88 94 94 97 82 72 68 80 85 88 91 90 80 72 70 82 88
WIND DIR SE NE E SE SE SE SE SE SE E E E SE SE E E E E E E E
WIND SPD 3 6 10 8 6 5 4 4 6 11 12 9 8 6 6 6 8 12 16 11 8
WIND GUST 28 21
CLOUDS CL FW B2 B2 CL FW CL CL CL FW SC SC SC SC FW FW SC SC B1 B1 B1
POP 12HR 70 5 40 20 50
QPF 12HR 1.05-2.46 0.00-0.09 0.23-0.72 0.29-0.50 0.23-1.61
SNOW 12HR MM MM MM
RAIN SHWRS IS IS NM NM IS IS IS SC SC IS IS IS IS IS IS NM NM SC
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 90100102 90 81 93103104 94 86 81 94102103 93 85
MAX HEAT 99 115 110 92 100 117 114 92 100 115 112
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 76 89 76 88 75 87 75 88
TEMP 77 83 89 80 77 83 88 79 76 82 87 79 76 83 88 79
DEWPT 75 78 79 76 75 77 79 76 74 77 78 76 75 77 78 76
PWIND DIR E E E E E E SE E
WIND CHAR LT GN LT LT LT GN LT LT
AVG CLOUDS B1 SC SC B1 SC SC B1 B2 B1 B1 B1 B2 B1 SC SC B1
POP 12HR 40 40 20 80 40 70 40 60
RAIN SHWRS SC SC SC SC IS IS SC D SC SC NM NM SC SC NM NM
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS
PRZ006-132000-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 72 82 90 63 72 76 72 83 92 64 73 77 71 83 91
TEMP 78 81 82 78 75 73 72 72 78 82 83 79 76 75 74 73 79 82 83 78 76
DEWPT 72 73 74 73 71 72 71 71 73 74 74 74 72 72 72 71 73 74 73 74 72
RH 82 77 77 85 87 97 97 97 85 77 74 85 87 90 93 93 82 77 72 88 87
WIND DIR E SE SE SE E E E SE E E SE SE E E E E E E E E E
WIND SPD 2 5 6 5 3 3 3 3 4 10 8 5 4 4 4 4 5 9 10 6 4
WIND GUST 19 23 26 24 20
CLOUDS CL FW B1 B1 CL CL CL CL CL SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 60 0 40 40 20
QPF 12HR 0.17-2.34 0.00-0.16 0.26-1.51 0.30-0.80 0.15-1.29
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC NM IS SC SC SC SC SC SC IS IS IS IS IS
TSTMS IS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 80 86 87 80 81 88 89 82 82 88 89 82
MAX HEAT 95 109 105 84 95 107 105 86 96 107 105
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 72 83 73 82 72 81 72 82
TEMP 73 79 83 76 74 78 82 75 72 77 81 75 72 78 82 74
DEWPT 72 73 74 72 72 73 74 72 71 73 74 72 71 73 74 72
PWIND DIR E E E E E E E E
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 SC SC B1 B1 B1 B1 B1 B2 SC SC SC B1
POP 12HR 20 50 30 50 50 70 30 60
RAIN SHWRS IS IS IS SC IS IS SC SC SC SC IS NM SC SC NM NM
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ007-132000-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 72 87 93 65 76 82 72 88 94 67 77 82 72 87 93
TEMP 82 86 87 82 79 77 76 76 83 87 88 83 80 79 78 77 83 86 87 83 79
DEWPT 73 74 75 75 73 73 72 71 73 75 75 75 74 73 73 72 73 74 74 75 74
RH 74 68 68 79 82 87 87 85 72 68 66 77 82 82 85 85 72 68 65 77 85
WIND DIR E SE SE SE E E E E E E SE E E E E E E SE SE E E
WIND SPD 2 8 10 8 6 4 4 4 4 12 9 8 6 6 6 6 6 12 11 9 6
WIND GUST 19 23 20 27 24 26 25 23
CLOUDS FW FW SC SC CL CL CL FW CL FW B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 40 5 50 40 30
QPF 12HR 0.10-1.44 0.00-0.20 0.27-1.51 0.43-0.83 0.16-0.82
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC IS IS IS IS SC SC SC SC SC SC IS IS SC SC IS
TSTMS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 88 94 96 89 83 89 96 97 91 86 82 80 89 95 96 90 84
MAX HEAT 97 108 108 92 97 110 108 93 98 108 107
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 76 88 77 87 76 86 76 87
TEMP 77 83 88 80 77 83 87 79 76 82 86 79 76 82 87 79
DEWPT 72 73 75 74 72 73 75 74 72 73 75 73 72 73 75 74
PWIND DIR NE E NE E E E E E
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC FW SC SC B1 SC SC SC B1 SC FW FW SC
POP 12HR 10 40 20 50 10 50 10 40
RAIN SHWRS IS IS IS IS IS IS IS SC IS IS SC SC IS IS SC SC
TSTMS IS IS IS IS IS IS
PRZ008-132000-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 84 88 95 70 74 82 84 89 96 72 76 82 84 88 96
TEMP 82 87 88 82 78 76 75 74 83 88 89 83 80 78 77 76 83 87 88 83 79
DEWPT 73 75 76 74 74 74 73 71 74 76 77 75 75 74 73 73 75 76 76 75 75
RH 74 68 68 77 88 94 94 90 74 68 68 77 85 88 87 90 77 70 68 77 88
WIND DIR SE NE NE E E SE SE SE E E E SE E E E E E E E E E
WIND SPD 2 4 6 5 5 4 4 4 8 10 8 4 6 8 8 8 8 11 14 12 10
WIND GUST 19 27 23 20
CLOUDS CL CL B2 B2 FW FW CL CL CL CL B1 B1 FW FW FW FW SC SC OV OV B2
POP 12HR 80 20 70 20 70
QPF 12HR 1.61-2.50 0.00-0.06 0.44-1.51 0.29-0.40 1.06-1.70
SNOW 12HR MM MM MM
RAIN SHWRS D NM IS IS NM NM IS IS IS IS IS IS NM NM NM
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 87 96 98 88 89 99101 91 83 90 98 99 90 82
MAX HEAT 97 113 110 91 98 116 113 92 100 114 111
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 75 89 76 87 74 87 74 87
TEMP 76 83 89 80 77 83 87 78 75 82 87 78 75 82 87 78
DEWPT 74 75 77 76 74 75 77 75 73 74 76 75 73 74 76 74
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN GN LT LT LT LT
AVG CLOUDS B2 B1 SC B1 SC SC B1 B2 B1 SC SC B2 B1 B1 B1 B1
POP 12HR 60 60 10 80 40 70 40 60
RAIN SHWRS NM NM NM NM IS IS D D SC SC NM NM SC SC NM NM
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ009-132000-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 73 85 94 66 72 76 73 86 96 68 74 78 74 85 95
TEMP 79 84 85 79 76 74 73 72 80 84 86 81 77 76 75 74 80 84 85 80 76
DEWPT 72 72 74 72 72 72 71 70 72 74 74 73 72 73 71 70 72 73 73 73 72
RH 79 67 70 79 87 93 93 93 77 72 68 77 85 90 87 87 77 70 67 79 87
WIND DIR E E SE SE E SE SE SE SE E E SE E E E E E E E E E
WIND SPD 1 3 4 2 3 3 3 3 3 5 5 5 4 4 4 4 4 8 6 4 4
WIND GUST 20 23 24 26 24 20
CLOUDS CL CL B2 B1 CL CL CL CL CL CL B1 B1 SC SC SC SC SC SC B2 B2 B1
POP 12HR 80 0 70 30 70
QPF 12HR 0.39-2.50 0 0.27-1.51 0.29-0.57 0.57-1.69
SNOW 12HR MM MM MM
RAIN SHWRS D NM IS NM NM SC SC SC SC IS IS NM NM SC
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 82 90 92 82 84 92 93 85 85 91 92 84
MAX HEAT 95 110 109 86 98 114 112 90 98 110 108
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 73 86 73 84 72 84 72 84
TEMP 73 80 86 77 74 80 84 76 73 79 84 76 73 79 84 75
DEWPT 72 73 75 73 71 73 74 72 71 72 74 72 71 72 74 72
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 FW FW B1 B2 SC SC SC B1 SC SC SC B1
POP 12HR 30 70 10 80 30 60 20 60
RAIN SHWRS SC SC NM NM IS IS IS D IS IS NM NM IS IS IS NM
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ010-132000-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 77 90 95 71 75 82 79 91 96 72 77 82 78 91 96
TEMP 83 88 90 84 80 78 76 76 85 90 91 85 81 79 78 77 85 90 91 84 80
DEWPT 74 76 76 75 75 75 74 72 75 77 77 77 76 75 74 73 75 76 76 77 76
RH 74 68 64 74 85 91 94 87 72 66 64 77 85 88 88 87 72 64 62 80 88
WIND DIR E SE NE E E E E E E E E E E E E E E E E E E
WIND SPD 3 3 5 4 5 6 5 5 5 4 5 5 6 8 8 9 8 8 6 5 5
WIND GUST 17 18 18 20 17 14 18 23 26 25 24 29 23 24 20 17
CLOUDS CL CL B1 B1 FW CL CL CL CL CL B1 B1 SC SC SC SC B1 B1 B2 B2 B1
POP 12HR 70 10 70 30 70
QPF 12HR 0.03-2.45 0.01 0.17-1.51 0.32-0.81 0.70-1.70
SNOW 12HR MM MM MM
RAIN SHWRS NM NM IS IS NM NM SC SC IS IS SC SC NM NM SC
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 91 99102 92 83 93103105 95 87 81 94102103 94 85
MAX HEAT 97 113 109 91 99 116 113 94 101 115 113
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 76 92 76 90 75 90 75 90
TEMP 77 85 92 81 77 84 90 80 76 84 90 80 76 84 90 79
DEWPT 74 75 78 76 74 75 77 75 74 75 77 75 74 75 77 75
PWIND DIR E E E E E SE E E
WIND CHAR LT LT GN LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 FW FW SC B2 SC SC SC B1 B1 B1 B1 B1
POP 12HR 50 70 5 80 30 50 40 60
RAIN SHWRS SC SC NM NM IS IS IS D SC SC SC SC SC SC IS NM
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ011-132000-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 84 92 95 73 76 82 84 93 96 75 78 82 84 93 96
TEMP 85 90 92 85 81 79 77 77 86 91 93 87 82 80 79 78 86 91 93 85 81
DEWPT 75 77 77 77 76 75 74 73 75 78 78 78 77 76 74 73 76 77 78 77 77
RH 72 66 62 77 85 88 90 87 70 66 62 75 85 88 85 85 72 64 62 77 88
WIND DIR E SE SE E E E E E E E SE E E E E E E SE SE E E
WIND SPD 4 8 11 10 10 9 6 5 5 12 14 12 11 11 11 11 12 16 14 12 11
WIND GUST 24 21 23 23 26 31 27 26 25 25 21 26 31 32 28 25
CLOUDS CL FW SC SC CL CL CL CL CL CL FW FW SC SC SC SC B1 B1 B1 B1 SC
POP 12HR 40 0 40 40 40
QPF 12HR 0.09-1.21 0.01 0.19-0.59 0.45-0.60 0.53-1.22
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC IS IS SC SC SC SC SC SC SC SC IS
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 93104106 95 87 80 95106108 99 91 85 80 80 96105107 96 87
MAX HEAT 97 112 112 91 99 115 114 94 100 114 111
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 76 94 76 92 76 92 76 92
TEMP 77 86 94 82 77 85 92 81 77 85 92 81 77 85 92 81
DEWPT 74 75 79 77 74 75 78 76 74 75 78 76 74 75 78 76
PWIND DIR E E NE E E SE E SE
WIND CHAR LT GN LT LT LT GN LT GN
AVG CLOUDS SC SC SC SC SC SC SC B1 SC SC SC SC SC SC SC SC
POP 12HR 20 30 10 60 10 30 10 40
RAIN SHWRS IS IS SC IS IS IS IS NM IS IS IS SC IS IS SC SC
TSTMS IS IS
PRZ012-132000-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 84 88 91 76 79 82 84 88 91 79 84 89 92
TEMP 84 87 88 84 82 81 80 79 84 87 88 84 82 81 80 79 85 88 89 85 83
DEWPT 77 77 76 77 77 77 77 77 78 78 78 79 77 78 77 77 78 78 78 78 78
RH 80 72 68 80 85 88 91 94 82 75 72 85 85 91 91 94 80 72 70 80 85
WIND DIR E SE E E E E E E E E E E E E E E E E E E E
WIND SPD 11 11 13 13 14 16 14 16 18 19 19 17 18 19 19 16 16 17 17 17 17
CLOUDS SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2
POP 12HR 40 60 70 70 60
QPF 12HR 0.25 0.41 1.07 1.00 0.92
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC SC SC SC NM NM NM NM NM NM NM NM SC SC NM NM SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 94 99 98 93 89 87 84 83 95100100 96 90 88 84 83 96101102 97 92
MAX HEAT 99 106 107 93 100 108 107 94 101 111 109
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 80 88 79 89 78 88 78 88
TEMP 81 84 88 82 79 84 89 82 79 84 88 81 79 84 88 82
DEWPT 78 78 78 77 77 77 77 76 77 77 77 76 76 77 76 76
PWIND DIR E E E E E E E E
WIND CHAR BZ BZ GN GN GN GN GN GN
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B1
POP 12HR 50 60 60 60 60 40 50 50
RAIN SHWRS SC SC SC NM NM NM NM NM NM NM SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
PRZ013-132000-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 82 88 91 75 78 82 82 88 91 75 78 82 83 89 92
TEMP 84 87 88 83 81 79 78 78 84 87 88 84 81 80 79 78 85 88 89 85 83
DEWPT 75 76 74 75 75 76 75 76 76 77 76 76 75 77 76 76 77 77 76 76 76
RH 74 70 63 77 82 91 91 94 77 72 68 77 82 91 91 94 77 70 66 75 80
WIND DIR E E E E E E E E E E E SE E E E E E E E E E
WIND SPD 10 11 13 13 14 16 13 14 18 19 18 16 18 19 19 16 16 17 16 17 17
CLOUDS SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2
POP 12HR 40 60 70 70 60
QPF 12HR 0.25 0.42 1.07 1.01 0.92-0.98
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC SC SC SC NM NM NM NM NM NM NM NM SC SC NM NM SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 92 97 96 91 86 82 80 92 98 98 92 87 84 80 80 94100100 95 90
MAX HEAT 95 103 102 92 96 104 102 92 99 106 104
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 80 89 77 89 77 89 77 89
TEMP 80 85 89 81 78 84 89 81 78 84 89 81 78 84 89 80
DEWPT 76 77 76 75 76 76 75 75 75 76 75 75 75 75 75 75
PWIND DIR E E E E E E E E
WIND CHAR BZ BZ GN GN GN GN GN GN
AVG CLOUDS B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1
POP 12HR 50 60 60 60 60 40 50 50
RAIN SHWRS SC SC SC NM NM NM NM NM NM NM SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
VIZ001-132000-
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 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 81 85 91 71 78 82 80 85 90 72 78 82 81 86 91
TEMP 82 85 85 82 80 79 78 78 82 84 85 82 80 79 78 78 83 85 86 83 81
DEWPT 76 75 74 76 76 77 76 76 77 77 76 77 76 77 77 76 77 77 76 78 77
RH 82 72 70 82 88 94 94 94 85 80 75 85 88 94 97 94 82 77 72 85 88
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 12 13 13 13 16 17 16 17 18 19 18 18 19 20 18 17 17 17 17 17 17
CLOUDS SC SC SC SC SC SC SC SC SC SC B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B1
POP 12HR 40 50 60 60 60
QPF 12HR 0.13-0.24 0.36 0.86-0.96 0.75-0.94 0.91
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC SC SC SC SC SC NM NM NM NM NM NM SC SC NM NM SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 90 94 93 89 85 84 81 80 89 94 94 90 85 83 81 81 91 96 95 91 87
MAX HEAT 99 105 107 93 100 106 104 93 100 107 106
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 78 85 77 84 77 83 77 85
TEMP 79 82 85 80 78 81 84 79 77 81 83 79 77 82 85 79
DEWPT 77 77 76 76 76 77 76 76 76 76 75 75 76 76 75 76
PWIND DIR E E E E E E E E
WIND CHAR BZ BZ GN GN GN GN GN GN
AVG CLOUDS B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1
POP 12HR 40 50 60 60 50 50 40 50
RAIN SHWRS SC SC SC SC SC NM NM SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
VIZ002-132000-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
502 AM AST SAT SEP 13 2025
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 84 88 92 79 84 89 93 80 84 89 92
TEMP 84 87 88 85 82 81 80 79 85 88 89 85 83 82 81 80 85 88 89 85 82
DEWPT 76 76 76 77 76 76 76 76 77 77 77 77 77 77 77 76 77 77 77 78 77
RH 77 70 68 77 82 85 88 91 77 70 68 77 82 85 88 88 77 70 68 80 85
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 12 12 12 13 12 14 12 14 17 18 17 14 14 17 16 13 14 14 16 16 14
CLOUDS SC FW SC SC SC SC SC SC SC SC SC SC B2 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR 40 50 70 70 50
QPF 12HR 0.20 0.36 0.88 1.00 0.41-0.70
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC SC SC SC SC SC SC SC SC SC NM NM 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
HEAT INDEX 93 98 99 94 90 87 84 84 95101102 97 92 90 87 86 96100101 96 91
MAX HEAT 98 107 106 93 102 111 109 96 101 109 108
HEAT Y Y
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25 FRI 09/19/25
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 80 87 79 88 78 87 78 87
TEMP 80 84 87 82 79 84 88 81 79 84 87 81 79 84 87 81
DEWPT 77 77 77 76 77 77 76 76 76 76 76 75 76 76 76 76
PWIND DIR E E E E E E E E
WIND CHAR BZ GN GN GN GN GN GN GN
AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1
POP 12HR 50 50 60 60 50 50 50 50
RAIN SHWRS SC SC SC SC SC NM NM 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
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