249
FOCA52 TJSJ 120902
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
502 AM AST FRI SEP 12 2025
PRZ001-122000-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 83 90 93 72 76 80 82 90 93 72 76 80 82 90 93
TEMP 84 89 90 84 81 78 77 76 84 89 90 84 80 78 77 76 84 89 90 84 81
DEWPT 76 77 76 76 75 75 75 74 76 77 77 76 75 75 75 75 76 78 77 77 76
RH 77 68 64 77 82 91 94 94 77 68 66 77 85 91 94 97 77 70 66 80 85
WIND DIR SE E E SE SE SE SE SE SE E E E SE SE SE SE SE E E E E
WIND SPD 4 9 11 9 6 5 4 3 4 10 13 11 8 8 3 6 9 14 16 13 9
CLOUDS SC SC B2 B1 SC SC SC FW SC B1 B2 B2 SC SC SC SC B1 B1 B1 B1 B2
POP 12HR 70 30 70 40 60
QPF 12HR 0.17-1.28 0.02-0.21 0.21-1.34 0.04-0.43 0.06-0.43
SNOW 12HR MM MM MM
RAIN SHWRS IS IS NM SC SC IS SC IS IS SC NM NM IS IS SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS
HEAT INDEX 94101102 93 85 81 93101102 93 85 81 93102103 94 87
MAX HEAT 100 114 111 90 99 114 110 89 100 114 112
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 90 77 90 77 89 76 89
TEMP 78 85 90 81 78 85 90 81 78 84 89 80 77 84 89 80
DEWPT 76 77 77 76 76 77 78 77 76 77 78 76 75 77 77 75
PWIND DIR E E E E E E E SE
WIND CHAR LT GN LT GN LT GN LT LT
AVG CLOUDS B2 B1 SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B2 B2
POP 12HR 60 40 40 60 50 50 50 60
RAIN SHWRS SC SC SC SC SC SC SC SC SC SC SC SC SC SC NM NM
TSTMS IS IS IS IS IS IS IS IS
PRZ002-122000-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 88 93 67 76 80 75 88 93 67 76 80 75 87 92
TEMP 83 87 88 83 80 78 77 76 83 87 88 83 79 78 77 76 83 86 87 82 79
DEWPT 75 76 74 74 74 75 74 74 75 76 75 75 74 75 74 75 75 76 76 76 75
RH 77 70 63 74 82 91 90 94 77 70 66 77 85 91 90 97 77 72 70 82 88
WIND DIR E SE SE SE E E E E E E SE E E SE E E E E E E E
WIND SPD 6 9 11 9 6 8 6 5 6 11 11 10 9 10 8 10 11 14 14 13 11
WIND GUST 21 19 20 18 21 21 21
CLOUDS SC SC B1 SC B1 B1 B1 SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 OV
POP 12HR 50 50 40 50 70
QPF 12HR 0.09-1.29 0.16-0.25 0.24-1.34 0.33-0.43 0.38-0.48
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC NM
TSTMS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 90 97 97 90 83 80 90 96 97 90 84 80 90 97 98 90 84
MAX HEAT 100 109 107 92 99 109 106 91 100 108 107
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 88 76 87 75 87
TEMP 77 83 88 80 77 83 88 80 77 82 87 79 76 82 87 79
DEWPT 75 76 76 75 75 76 76 75 75 76 76 74 75 75 75 74
PWIND DIR E E E E E E E SE
WIND CHAR GN GN GN GN LT GN LT LT
AVG CLOUDS OV B2 B1 B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 70 50 50 60 60 60 50 60
RAIN SHWRS NM NM SC SC SC SC NM NM SC NM NM SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ003-122000-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 78 88 93 69 75 81 77 88 92 69 75 81 77 87 93
TEMP 83 87 88 82 79 77 76 75 82 87 88 82 79 77 76 75 82 86 87 82 79
DEWPT 75 76 75 75 74 75 74 74 75 76 75 76 74 75 74 74 76 76 76 77 75
RH 77 70 66 79 85 94 94 97 79 70 66 82 85 94 94 97 82 72 70 85 88
WIND DIR E E SE SE E E E NE E E SE E E E E E E E E E E
WIND SPD 5 9 10 8 6 6 5 5 6 10 11 10 8 9 8 9 10 14 13 12 10
WIND GUST 20 20 21 24 20 19 28 26 25
CLOUDS SC SC SC SC SC SC SC SC SC B1 SC SC SC SC B1 B1 SC SC B1 B1 B2
POP 12HR 30 30 40 50 70
QPF 12HR 0.02-0.10 0.02-0.22 0.06-0.33 0.22-0.43 0.07-0.48
SNOW 12HR MM MM MM
RAIN SHWRS IS SC IS IS SC IS SC IS IS SC SC IS SC SC SC SC SC SC SC SC NM
TSTMS IS IS IS IS IS
HEAT INDEX 90 97 98 90 83 90 97 97 90 83 89 97 98 91 83
MAX HEAT 100 108 108 90 98 108 106 90 99 110 108
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 76 88 76 87 75 87
TEMP 77 83 88 80 77 83 88 80 77 82 87 79 76 82 87 79
DEWPT 75 76 76 75 75 76 76 75 76 76 76 75 74 76 76 74
PWIND DIR E E NE E NE E E E
WIND CHAR GN GN LT GN LT GN LT LT
AVG CLOUDS B2 B2 SC SC B1 B1 B1 B2 B1 B1 B1 B1 SC B1 B1 B1
POP 12HR 70 50 50 60 50 50 40 50
RAIN SHWRS NM NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
PRZ004-122000-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 76 87 93 68 73 77 76 87 93 68 73 77 76 86 92
TEMP 81 86 87 81 77 75 73 73 81 85 87 81 77 75 74 73 80 85 86 80 77
DEWPT 74 74 74 73 72 73 72 72 74 74 74 74 73 73 72 72 74 75 75 75 73
RH 79 68 65 77 85 94 97 97 79 70 65 79 87 94 93 97 82 72 70 85 87
WIND DIR E SE SE SE E E SE SE E SE SE E E SE E E E E E E E
WIND SPD 3 8 9 6 4 3 3 3 5 9 10 8 5 6 4 5 8 12 12 11 6
CLOUDS SC SC SC SC SC SC SC FW SC B1 B1 B1 SC SC B1 B1 B1 B1 SC SC B2
POP 12HR 30 30 40 50 70
QPF 12HR 0.02-1.11 0.02-0.21 0.16-1.34 0.05-0.43 0.07-0.48
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC IS SC IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC NM
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 86 94 95 85 85 94 94 85 85 93 95 85
MAX HEAT 98 109 106 87 98 108 106 87 97 108 106
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 87 73 87 74 86 72 86
TEMP 74 81 87 78 74 81 87 78 74 81 86 76 73 80 86 77
DEWPT 73 74 75 73 73 75 75 74 74 75 75 73 73 74 74 73
PWIND DIR E E E E E E E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 SC SC B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 70 40 40 50 50 50 40 50
RAIN SHWRS NM NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS
PRZ005-122000-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 85 90 93 72 74 80 85 90 93 72 74 80 85 90 93
TEMP 83 89 90 83 79 77 75 74 83 88 90 83 79 77 75 75 83 88 90 84 80
DEWPT 77 77 78 76 75 75 74 73 76 78 78 77 76 75 74 73 77 78 78 77 76
RH 82 68 68 80 88 94 97 97 80 72 68 82 91 94 97 94 82 72 68 80 88
WIND DIR SE E E E SE SE SE SE SE E E E SE SE SE SE SE E E E E
WIND SPD 4 6 9 8 6 6 5 3 3 8 11 10 8 6 4 4 6 11 16 14 9
WIND GUST 21 28 27
CLOUDS FW FW OV B2 SC FW SC CL FW FW B2 B2 B1 B1 CL CL FW FW SC SC SC
POP 12HR 70 20 70 30 30
QPF 12HR 0.88-1.42 0.02-0.09 0.22-1.47 0.02-0.17 0.02-1.17
SNOW 12HR MM MM MM
RAIN SHWRS IS IS NM NM IS IS IS NM NM SC SC IS IS IS IS IS
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 93102105 92 82 92102104 92 82 93103105 93 84
MAX HEAT 101 116 112 90 100 117 113 89 100 117 114
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 90 75 90 76 89 75 90
TEMP 76 84 90 80 76 84 90 80 77 84 89 79 76 83 90 79
DEWPT 75 77 78 76 75 78 79 77 76 78 79 76 75 77 78 76
PWIND DIR SE E E E E E E E
WIND CHAR LT GN LT GN LT GN LT LT
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC B1 B2
POP 12HR 20 30 10 40 30 50 30 60
RAIN SHWRS IS IS IS IS IS IS SC SC SC SC SC SC SC SC NM NM
TSTMS IS IS IS IS IS IS IS
PRZ006-122000-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 84 91 62 71 75 75 84 91 62 71 75 75 84 92
TEMP 79 83 84 78 75 73 72 71 78 83 84 78 75 73 72 71 78 82 84 79 76
DEWPT 72 73 73 73 71 71 71 70 72 73 73 73 71 71 71 70 73 74 74 74 72
RH 79 72 70 85 87 93 97 97 82 72 70 85 87 93 97 97 85 77 72 85 87
WIND DIR E SE SE SE SE E SE E E SE SE SE E E E E E E E E E
WIND SPD 2 5 4 3 3 3 3 2 3 6 6 5 4 5 3 3 5 10 11 10 5
WIND GUST 19 20 23 27 25 23
CLOUDS SC SC B2 B2 SC FW FW CL FW SC B2 B2 FW FW SC SC FW FW SC SC B1
POP 12HR 70 20 60 10 40
QPF 12HR 0.03-1.40 0.02 0.17-1.41 0.00-0.22 0.03-0.79
SNOW 12HR MM MM MM
RAIN SHWRS IS IS D NM IS IS IS IS IS SC NM IS IS IS IS IS IS IS IS SC
TSTMS IS IS IS IS IS
HEAT INDEX 82 89 90 81 81 88 90 81 81 89 90 82
MAX HEAT 96 109 108 95 109 106 96 110 108
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 84 72 84 72 83 71 83
TEMP 73 79 84 76 73 79 84 76 73 78 83 75 72 78 83 75
DEWPT 72 73 74 72 72 73 75 73 72 73 74 72 71 73 74 72
PWIND DIR E E E E E E E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC SC SC SC B1 SC SC SC B1 SC SC SC B1
POP 12HR 40 10 10 50 30 40 20 50
RAIN SHWRS SC SC IS IS IS IS SC SC IS IS SC SC IS IS IS SC
TSTMS IS IS IS IS
PRZ007-122000-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 88 93 65 75 80 75 88 93 65 75 80 75 88 93
TEMP 83 87 88 82 79 77 76 75 82 87 88 82 79 77 76 75 83 87 88 83 80
DEWPT 73 74 75 74 73 73 72 71 72 74 75 75 73 73 72 71 73 74 75 75 74
RH 72 65 66 77 82 87 87 87 72 65 66 79 82 87 87 87 72 65 66 77 82
WIND DIR E SE SE SE E E NE NE E SE SE SE E E NE NE E E SE SE E
WIND SPD 3 6 8 5 5 5 4 4 3 9 10 8 6 4 4 4 6 12 12 11 9
WIND GUST 20 20 24 20 27 27 25 23
CLOUDS FW SC B1 SC SC FW FW FW FW SC B1 B1 FW FW FW FW FW FW SC SC B1
POP 12HR 40 10 40 5 40
QPF 12HR 0.02-1.39 0.01 0.04-1.06 0.00-0.22 0.04-0.78
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC IS IS IS IS SC SC IS IS IS IS SC
TSTMS IS IS IS
HEAT INDEX 88 95 97 89 83 88 95 97 89 83 88 95 98 91 84
MAX HEAT 96 108 108 90 97 109 108 90 97 110 108
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 76 89 76 87 75 87
TEMP 77 83 88 79 76 83 89 80 77 83 87 79 76 82 87 79
DEWPT 73 73 75 74 72 73 76 74 73 74 75 74 72 73 75 73
PWIND DIR E E NE E NE E E E
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC FW FW SC SC FW FW SC SC FW FW SC SC
POP 12HR 40 30 5 20 20 50 10 40
RAIN SHWRS SC SC IS IS IS IS IS SC IS IS SC SC IS IS SC SC
TSTMS IS IS IS IS
PRZ008-122000-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 85 88 93 70 73 80 85 88 93 70 74 80 85 88 93
TEMP 82 87 88 82 78 76 74 74 82 87 88 82 78 76 75 74 82 87 88 82 79
DEWPT 74 75 76 74 74 74 72 71 74 75 76 75 74 74 73 71 74 76 77 76 75
RH 77 68 68 77 88 94 93 90 77 68 68 79 88 94 94 90 77 70 70 82 88
WIND DIR E NE E SE E SE SE SE E NE E E E SE SE SE E E NE E E
WIND SPD 4 4 6 8 8 6 3 3 4 5 8 8 6 5 6 5 6 9 12 13 9
WIND GUST 18 27 26
CLOUDS FW CL OV B2 B1 FW SC CL CL CL OV B2 B2 B2 CL CL CL CL B2 B2 SC
POP 12HR 80 50 80 50 60
QPF 12HR 1.08-1.43 0.05-0.10 1.12-1.47 0.17 0.98-1.17
SNOW 12HR MM MM MM
RAIN SHWRS D NM SC IS D NM SC SC NM NM IS
TSTMS IS IS IS IS IS IS IS IS IS
HEAT INDEX 88 97 99 88 87 96 98 88 88 97100 90 81
MAX HEAT 96 110 106 89 95 110 107 89 96 109 108
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 88 75 88 75 88 74 87
TEMP 75 83 88 79 76 83 88 79 76 83 88 78 75 82 87 78
DEWPT 73 75 77 75 74 75 77 75 75 75 77 75 74 75 76 75
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN GN LT GN LT LT
AVG CLOUDS SC SC SC B1 SC FW SC B1 SC SC SC B1 SC SC SC B2
POP 12HR 20 60 10 50 10 50 10 60
RAIN SHWRS IS IS IS IS IS IS SC SC IS IS SC SC IS IS NM NM
TSTMS IS IS IS IS IS IS IS IS
PRZ009-122000-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 93 66 71 75 75 85 93 66 72 76 75 85 93
TEMP 79 84 85 79 76 74 72 72 79 84 85 79 76 74 72 72 79 84 85 80 76
DEWPT 72 72 73 72 71 72 71 69 72 73 74 72 72 72 70 69 72 73 74 73 72
RH 79 67 67 79 85 93 97 90 79 70 70 79 87 93 93 90 79 70 70 79 87
WIND DIR E E E E SE SE SE SE E SE E SE E E E E E E E E E
WIND SPD 2 2 3 2 3 4 3 3 2 3 4 3 4 3 3 3 4 6 5 5 5
WIND GUST 21 25 26 23 23
CLOUDS CL FW OV B2 SC FW FW CL CL CL OV B2 SC SC CL CL CL CL B1 B1 SC
POP 12HR 80 20 70 30 50
QPF 12HR 0.15-1.43 0.01-0.09 0.20-1.47 0.00-0.17 0.04-1.17
SNOW 12HR MM MM MM
RAIN SHWRS IS D NM SC NM NM SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 83 90 92 82 83 90 93 82 82 90 92 83
MAX HEAT 95 110 107 84 94 109 108 86 95 109 108
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 85 72 86 73 84 72 84
TEMP 74 80 85 76 73 80 86 77 74 80 84 76 73 79 84 75
DEWPT 72 73 74 72 71 73 75 73 72 73 75 72 71 73 74 72
PWIND DIR E E E E E E E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 FW FW SC B1 FW FW SC B1 FW FW SC B1
POP 12HR 30 60 5 60 5 60 5 60
RAIN SHWRS SC IS IS NM NM NM IS IS NM IS IS NM SC
TSTMS IS IS IS IS IS IS IS IS
PRZ010-122000-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 78 90 93 70 75 81 78 90 93 70 75 82 78 90 93
TEMP 84 89 90 83 79 77 76 75 84 88 90 83 79 77 76 75 84 89 90 84 80
DEWPT 75 76 76 75 74 74 73 72 74 76 76 76 75 74 73 72 74 76 77 76 76
RH 74 66 64 77 85 90 90 90 72 68 64 80 88 90 90 90 72 66 66 77 88
WIND DIR E SE NE E E E E E E SE NE E E E E E E E E E E
WIND SPD 4 3 4 4 6 6 5 5 4 3 5 5 6 6 5 5 6 6 6 6 9
WIND GUST 16 17 16 18 17 20 20 18 21 18 19 20
CLOUDS CL FW B2 B2 B1 FW FW CL CL FW B2 B2 SC SC CL CL CL CL B1 B1 SC
POP 12HR 70 40 70 30 50
QPF 12HR 0.02-1.43 0.01-0.16 0.05-1.47 0.00-0.17 0.04-1.17
SNOW 12HR MM MM MM
RAIN SHWRS IS NM NM SC IS NM NM SC SC NM NM IS
TSTMS IS IS IS IS IS IS IS IS IS
HEAT INDEX 91100102 92 83 91 99102 92 83 91100103 93 85
MAX HEAT 97 112 109 90 97 112 109 92 97 113 110
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 90 75 90 76 90 75 89
TEMP 77 84 90 80 76 84 90 80 77 84 90 79 76 83 89 79
DEWPT 74 75 77 76 74 75 78 76 75 76 78 76 74 75 77 75
PWIND DIR E E E E E E E SE
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 FW FW SC B1 FW FW SC B1 FW FW SC B1
POP 12HR 20 60 0 60 5 60 0 40
RAIN SHWRS IS IS NM NM NM NM IS NM NM IS IS IS SC
TSTMS IS IS IS IS IS IS IS
PRZ011-122000-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 85 92 93 72 76 80 85 92 93 72 76 80 85 92 93
TEMP 85 90 92 85 80 78 76 76 85 90 92 85 80 78 77 76 85 90 92 85 81
DEWPT 75 77 77 76 75 75 73 72 75 77 78 76 76 75 73 72 75 77 78 77 77
RH 72 66 62 75 85 91 90 87 72 66 64 75 88 91 87 87 72 66 64 77 88
WIND DIR E SE SE E E E E E E SE SE E E E E E E SE SE E E
WIND SPD 4 8 10 8 6 9 10 8 4 9 12 10 10 10 6 5 9 14 16 14 16
WIND GUST 20 21 20 25 20 24 24 19 28 33 28 35
CLOUDS CL SC SC SC SC FW FW CL FW FW B1 SC CL CL CL CL CL CL SC SC B1
POP 12HR 20 10 30 0 40
QPF 12HR 0.01-0.89 0.01 0.03-1.04 0 0.02-0.98
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS SC SC IS IS SC
TSTMS IS
HEAT INDEX 93103106 95 85 93103106 95 86 93104107 96 88
MAX HEAT 96 112 111 89 97 111 109 89 96 112 110
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 92 75 92 76 91 76 91
TEMP 78 85 92 80 76 85 92 81 77 85 91 81 77 85 91 80
DEWPT 75 76 78 77 73 75 78 77 74 76 79 77 74 76 78 76
PWIND DIR E E E E NE E E SE
WIND CHAR GN GN LT GN LT GN LT LT
AVG CLOUDS B1 SC SC SC FW FW FW SC SC SC SC B1 FW FW FW SC
POP 12HR 40 40 0 20 10 50 0 10
RAIN SHWRS SC SC SC SC SC IS IS IS IS SC IS IS
TSTMS IS IS IS IS
PRZ012-122000-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 85 89 94 79 85 89 94 79 85 89 94
TEMP 85 88 89 85 82 81 80 79 85 88 89 85 82 81 80 79 85 88 89 85 82
DEWPT 77 77 75 77 76 77 76 77 77 77 76 77 76 77 76 77 77 78 77 78 77
RH 77 70 64 77 82 88 88 94 77 70 66 77 82 88 88 94 77 72 68 80 85
WIND DIR E SE SE E E E E E E E E E E E E E E E E E E
WIND SPD 10 11 11 10 11 13 11 11 12 13 13 12 17 17 18 19 18 17 18 18 18
CLOUDS SC SC SC SC B1 SC B2 SC SC B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 OV
POP 12HR 50 50 40 50 70
QPF 12HR 0.10 0.24 0.28 0.43 0.48
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC NM
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 95100 99 95 90 88 85 84 95100100 95 90 88 85 85 96102101 96 90
MAX HEAT 101 106 109 93 100 106 106 93 101 109 107
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 79 89 80 89 79 89 79 89
TEMP 80 85 89 83 80 85 89 82 80 85 89 82 79 85 89 82
DEWPT 77 77 77 77 78 78 78 78 77 78 77 77 77 77 77 76
PWIND DIR E E E E E E E SE
WIND CHAR BZ BZ BZ GN GN BZ GN GN
AVG CLOUDS OV B2 B1 SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1
POP 12HR 70 40 40 50 60 60 50 40
RAIN SHWRS NM NM SC SC SC SC SC SC SC NM NM SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS
PRZ013-122000-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 85 89 92 78 85 89 92 78 85 89 92
TEMP 84 88 89 84 81 80 79 78 84 88 89 84 81 80 79 78 84 88 89 84 81
DEWPT 75 75 73 75 75 75 75 75 76 76 74 75 75 76 76 76 76 77 75 76 75
RH 74 66 59 74 82 85 88 91 77 68 61 74 82 88 91 94 77 70 64 77 82
WIND DIR E SE SE E E E E E E E E E E E E E E E E E E
WIND SPD 10 10 10 10 12 12 11 10 12 12 12 12 17 16 17 18 17 17 18 17 17
CLOUDS SC SC SC SC B2 B1 B2 SC SC B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 OV
POP 12HR 50 50 40 50 70
QPF 12HR 0.10 0.25 0.28 0.43 0.47
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS IS SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC NM
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 93 98 97 92 87 84 80 93 98 98 93 87 84 80 93 99 99 93 87
MAX HEAT 96 103 102 89 97 104 102 89 97 105 103
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 89 78 89 78 89 77 89
TEMP 79 85 89 82 79 85 89 81 78 84 89 81 78 84 89 81
DEWPT 76 76 75 76 76 77 76 76 76 76 75 75 75 76 75 75
PWIND DIR E E E E E E E SE
WIND CHAR BZ GN BZ GN GN GN GN GN
AVG CLOUDS OV B2 B1 SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1
POP 12HR 70 50 40 50 60 60 50 40
RAIN SHWRS NM NM SC SC SC SC SC SC SC NM NM SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
VIZ001-122000-
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 FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 85 87 94 73 78 82 85 87 94 72 78 82 85 87 94
TEMP 83 86 87 83 81 80 79 78 83 86 87 83 81 80 79 78 83 86 87 83 81
DEWPT 76 75 74 76 75 76 76 75 76 75 75 77 76 77 76 76 76 77 76 77 76
RH 80 70 65 80 82 88 91 91 80 70 68 82 85 91 91 94 80 75 70 82 85
WIND DIR E SE SE E E E E E E E E E E E E E E E E E E
WIND SPD 10 11 10 9 13 13 11 12 12 13 13 13 18 18 18 18 18 18 19 18 19
CLOUDS SC SC SC SC B1 SC B1 SC SC SC SC SC B1 B1 B2 B2 SC SC B2 B2 B2
POP 12HR 30 30 40 50 60
QPF 12HR 0.09 0.11-0.20 0.12-0.27 0.35-0.42 0.30-0.44
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS SC IS SC IS SC SC SC SC SC SC SC SC IS IS SC SC NM
TSTMS IS IS IS IS IS
HEAT INDEX 91 95 95 92 86 85 82 81 91 96 96 92 86 84 81 81 92 97 97 93 87
MAX HEAT 101 107 109 95 101 108 107 94 101 109 108
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 79 87 79 87 78 87 78 87
TEMP 79 83 87 81 79 83 87 81 79 83 87 81 78 83 87 81
DEWPT 77 76 76 77 77 77 77 77 77 76 75 76 76 76 75 75
PWIND DIR E E E E E E E SE
WIND CHAR BZ BZ BZ GN GN BZ GN GN
AVG CLOUDS B2 B1 SC SC SC SC B1 B1 B1 B1 SC B1 B2 B1 B1 B1
POP 12HR 60 30 30 50 40 50 50 40
RAIN SHWRS NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS
VIZ002-122000-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
502 AM AST FRI SEP 12 2025
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25
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 85 89 94 79 85 88 94 78 85 88 94
TEMP 84 88 89 84 82 80 79 79 84 88 88 84 81 80 79 78 84 87 88 84 81
DEWPT 75 75 75 76 76 76 76 76 76 76 76 77 76 76 76 77 77 77 76 77 76
RH 74 66 64 77 82 88 91 91 77 68 68 80 85 88 91 97 80 72 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 10 11 10 10 11 11 9 10 12 11 13 13 14 14 16 16 16 18 18 16 14
CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC B2 B2 OV
POP 12HR 30 30 40 40 70
QPF 12HR 0.03-0.18 0.13 0.23 0.14-0.26 0.32
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS SC IS SC IS IS IS SC SC SC SC IS IS IS IS SC SC NM
TSTMS IS IS IS
HEAT INDEX 93 98 99 93 88 85 82 81 93 98 99 93 87 84 80 80 93 99 99 93 88
MAX HEAT 99 110 107 91 99 108 107 91 100 111 108
HEAT Y Y
DATE MON 09/15/25 TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 89 79 89 78 88 78 88
TEMP 79 84 89 82 80 85 89 82 79 84 88 81 79 84 88 81
DEWPT 76 77 77 77 77 78 77 77 77 76 76 76 76 76 76 76
PWIND DIR E E E E E E E SE
WIND CHAR BZ GN GN GN GN GN GN GN
AVG CLOUDS OV B2 B1 SC B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1
POP 12HR 70 40 40 50 40 40 40 40
RAIN SHWRS NM NM SC SC SC SC SC SC SC SC SC SC IS SC SC SC
TSTMS IS IS IS IS IS IS IS IS
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