560
FOCA52 TJSJ 100902
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
502 AM AST WED SEP 10 2025
PRZ001-102000-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 89 92 73 77 81 82 89 92 72 76 80 83 90 93
TEMP 84 88 89 84 81 79 78 77 84 88 89 84 80 78 77 77 85 89 90 84 80
DEWPT 77 77 76 76 76 77 76 75 77 77 76 76 75 76 75 75 76 77 76 75 75
RH 80 70 66 77 85 94 94 94 80 70 66 77 85 94 94 94 75 68 64 74 85
WIND DIR SE SE SE E E E SE SE E E E E E E E SE SE E E E E
WIND SPD 5 11 13 11 8 5 6 6 8 12 12 11 8 5 4 4 5 10 13 11 5
CLOUDS SC SC B2 B2 B1 SC SC B1 SC SC B1 B1 SC SC SC SC SC SC SC SC B1
POP 12HR 60 50 30 20 30
QPF 12HR 0.55-0.62 0.08 0.05-0.73 0.02 0.04-0.54
SNOW 12HR MM MM MM
RAIN SHWRS IS SC NM SC SC SC IS SC IS IS SC SC IS IS IS IS IS IS IS IS SC
TSTMS IS IS IS IS
HEAT INDEX 93101101 93 87 83 81 94101101 93 85 81 94102102 93 85
MAX HEAT 99 109 108 92 101 111 108 90 101 112 109
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 77 89 77 90 77 90
TEMP 77 84 90 81 78 84 89 80 78 84 90 81 78 85 90 81
DEWPT 74 76 77 75 75 76 76 76 76 77 77 76 76 77 77 76
PWIND DIR SE E SE E SE E E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS B1 B1 B1 B1 SC SC SC B1 SC SC SC B1 B1 B1 B1 B2
POP 12HR 30 40 20 40 30 50 50 60
RAIN SHWRS SC SC SC SC IS IS IS SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS IS
PRZ002-102000-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 74 87 91 68 77 81 74 87 92 67 76 81 75 88 93
TEMP 82 86 87 82 80 78 77 77 83 86 87 82 80 78 77 76 83 87 88 83 80
DEWPT 76 76 76 76 75 76 75 75 76 76 75 75 74 75 74 75 75 75 74 75 73
RH 82 72 70 82 85 94 94 94 80 72 68 79 82 91 90 97 77 68 63 77 79
WIND DIR SE SE SE E E E E E E E E E E E E E E E E E E
WIND SPD 9 11 11 10 9 9 9 8 10 12 11 9 6 6 6 8 9 10 11 9 5
WIND GUST 19 18 21
CLOUDS B1 B1 B2 B2 B2 B1 SC B2 B1 SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR 60 50 50 30 50
QPF 12HR 0.63 0.11 0.05-0.76 0.05 0.05-0.55
SNOW 12HR MM MM MM
RAIN SHWRS SC SC NM SC SC SC IS SC SC IS IS IS IS IS SC SC IS IS SC SC SC
TSTMS IS IS
HEAT INDEX 89 96 97 90 85 81 90 96 97 89 84 80 91 97 97 90 83
MAX HEAT 98 106 106 94 98 106 105 92 100 108 105
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 87 76 88 76 88
TEMP 77 83 88 80 77 82 87 79 77 83 88 80 77 83 88 80
DEWPT 74 75 75 74 74 75 75 75 75 76 75 75 75 76 75 75
PWIND DIR E E E E E E E E
WIND CHAR LT GN LT GN GN GN LT GN
AVG CLOUDS B1 B1 SC SC FW SC SC B1 SC SC SC B1 B2 B2 B2 B2
POP 12HR 50 30 20 40 30 50 50 60
RAIN SHWRS SC SC SC SC IS IS SC SC SC SC SC SC SC SC NM NM
TSTMS IS IS IS IS IS IS IS SC SC
PRZ003-102000-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 70 77 82 77 87 92 69 76 81 78 88 94
TEMP 82 86 87 83 80 78 77 77 83 86 87 82 79 78 77 76 83 87 88 83 79
DEWPT 74 75 74 76 75 76 75 74 74 73 73 74 73 74 73 74 74 73 72 73 72
RH 77 70 65 80 85 94 94 90 74 65 63 77 82 88 87 94 74 63 59 72 79
WIND DIR SE SE SE E E E E E E E E E E NE NE NE E E SE E E
WIND SPD 8 11 10 10 8 8 9 8 10 13 11 9 6 6 5 5 8 10 11 9 5
WIND GUST 23 21 20 26 23 20 21 25 20
CLOUDS SC B1 B1 B1 B1 SC SC B1 SC SC SC SC FW FW SC SC SC SC SC SC B1
POP 12HR 50 50 30 20 40
QPF 12HR 0.06-0.64 0.09 0.02-0.75 0.03 0.03
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC SC SC IS SC SC IS IS IS IS IS IS IS IS IS SC
TSTMS IS
HEAT INDEX 89 95 96 90 84 81 89 94 95 88 82 90 95 95 88 82
MAX HEAT 97 105 103 91 98 105 103 90 98 106 105
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 88 76 87 76 88 76 88
TEMP 76 83 88 80 77 82 87 79 77 83 88 80 77 83 88 80
DEWPT 73 74 74 73 73 74 72 74 73 75 74 74 74 75 74 74
PWIND DIR E E E E E E NE E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS B1 B1 SC SC FW SC SC SC SC SC SC SC B1 B1 B1 B1
POP 12HR 40 30 20 30 30 50 50 60
RAIN SHWRS SC SC SC IS IS IS IS SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS
PRZ004-102000-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 86 92 69 74 78 76 86 93 68 73 77 76 87 94
TEMP 80 85 86 81 77 76 75 74 81 85 86 80 77 75 74 73 81 86 87 81 77
DEWPT 74 75 74 75 74 75 73 73 74 74 73 74 73 73 72 72 74 74 73 74 72
RH 82 72 68 82 90 97 94 97 79 70 65 82 87 94 93 97 79 68 63 79 85
WIND DIR SE SE SE SE E E E E E E SE E E E E E E E SE SE E
WIND SPD 6 10 10 9 4 4 4 5 6 11 10 9 4 3 2 3 5 9 10 8 3
CLOUDS SC B1 B2 B1 B1 SC SC B1 SC SC B1 B1 FW FW SC SC SC SC SC SC B1
POP 12HR 60 50 40 20 40
QPF 12HR 0.10-0.63 0.08 0.03-0.75 0.03 0.02-0.44
SNOW 12HR MM MM MM
RAIN SHWRS IS SC NM SC SC SC IS SC SC IS SC SC IS IS IS IS IS IS IS IS SC
TSTMS IS IS IS IS
HEAT INDEX 85 93 94 85 86 93 94 84 86 94 95 85
MAX HEAT 97 106 105 88 99 106 105 87 99 109 106
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 87 73 86 73 87 73 87
TEMP 73 81 87 77 74 80 86 77 74 81 87 78 74 81 87 77
DEWPT 72 74 74 73 72 74 73 73 73 75 74 73 73 75 74 73
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT GN LT GN LT GN
AVG CLOUDS B1 B1 B1 SC FW FW SC SC SC SC SC SC B1 B1 B1 B2
POP 12HR 40 40 5 30 30 50 50 50
RAIN SHWRS SC SC SC SC IS IS IS SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS
PRZ005-102000-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 89 93 73 76 80 85 89 93 72 75 80 85 90 94
TEMP 83 88 89 83 80 78 77 76 84 88 89 83 79 77 76 75 84 89 90 83 79
DEWPT 77 77 77 76 76 76 75 75 77 78 77 76 76 75 74 74 77 78 78 76 76
RH 82 70 68 80 88 94 94 97 80 72 68 80 91 94 94 97 80 70 68 80 91
WIND DIR SE E E E E SE SE SE E E E E E E SE SE SE E NE E E
WIND SPD 5 8 11 9 8 5 5 6 6 11 12 11 10 8 5 4 5 9 12 9 5
WIND GUST 21 20 23 25 20 24 20
CLOUDS FW FW B2 B2 SC SC SC SC FW FW B1 B1 B1 B1 FW FW FW FW B1 B1 B2
POP 12HR 60 20 40 40 60
QPF 12HR 0.55-1.06 0.03 0.03-1.01 0.03 0.10-1.01
SNOW 12HR MM MM MM
RAIN SHWRS IS IS NM NM IS IS IS IS IS SC SC SC SC IS IS SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS
HEAT INDEX 92101103 93 85 94102103 92 82 93103105 92 82
MAX HEAT 99 114 111 91 101 115 111 88 101 115 114
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 90 74 89 75 90 75 90
TEMP 75 83 90 79 75 83 89 79 76 84 90 80 76 84 90 80
DEWPT 74 76 78 76 74 76 78 76 75 77 78 76 75 78 78 76
PWIND DIR SE E SE E SE E E E
WIND CHAR LT LT LT GN LT GN LT GN
AVG CLOUDS B2 B1 SC B1 SC FW FW SC FW FW FW SC SC SC SC B1
POP 12HR 60 50 10 10 5 10 10 40
RAIN SHWRS SC SC IS SC IS IS IS IS IS IS IS IS IS IS SC SC
TSTMS IS IS IS IS IS IS
PRZ006-102000-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 74 83 91 63 72 76 74 84 91 62 71 75 75 84 92
TEMP 78 82 83 78 76 74 73 72 79 83 84 78 75 73 72 71 79 83 84 79 75
DEWPT 73 73 72 73 72 73 72 71 72 72 72 73 71 72 71 70 72 73 72 72 71
RH 85 74 70 85 87 97 97 97 79 70 67 85 87 97 97 97 79 72 67 79 87
WIND DIR SE SE SE SE E E E E E E SE SE E E E E E E SE SE SE
WIND SPD 5 8 9 8 4 3 4 4 5 9 8 6 4 3 2 2 4 6 8 5 3
WIND GUST 21 20 26 21 21 24
CLOUDS FW SC B1 B1 SC SC SC B1 FW SC B1 B1 SC SC FW FW FW FW SC SC SC
POP 12HR 50 30 40 10 20
QPF 12HR 0.05-1.05 0.04 0.02-0.99 0.02 0.02-0.84
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC IS IS IS SC IS IS SC SC IS IS IS IS IS IS SC SC IS
TSTMS IS IS IS IS IS IS
HEAT INDEX 81 87 88 81 82 88 89 81 82 89 90 81
MAX HEAT 94 106 103 86 96 105 102 96 108 105
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 71 83 71 82 71 84 72 84
TEMP 72 78 83 75 72 78 82 75 72 79 84 76 73 79 84 76
DEWPT 71 72 73 71 71 72 73 72 71 73 73 72 71 73 73 72
PWIND DIR E SE E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC FW FW FW SC FW FW FW SC FW FW SC B1
POP 12HR 20 40 0 20 5 10 5 50
RAIN SHWRS IS IS IS SC IS IS IS IS IS IS IS IS SC SC
TSTMS IS IS IS IS IS
PRZ007-102000-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 74 87 93 66 76 81 74 88 93 65 75 80 75 88 94
TEMP 82 86 87 83 80 78 77 76 83 87 88 82 79 77 76 75 83 87 88 83 79
DEWPT 72 72 72 73 73 73 72 71 71 71 72 72 72 72 71 69 71 72 71 72 71
RH 72 63 61 72 79 85 85 85 67 59 59 72 79 85 85 82 67 61 57 70 77
WIND DIR E SE SE SE E E E E E SE SE SE E NE NE NE E SE SE SE E
WIND SPD 9 11 10 9 5 5 5 5 5 12 11 8 5 5 3 3 4 10 10 6 5
WIND GUST 20 24 23 20 27 25 20 24 25 19
CLOUDS FW SC SC SC SC SC SC SC CL SC SC SC SC SC FW FW FW FW SC SC FW
POP 12HR 20 20 20 20 20
QPF 12HR 0.04 0.03 0.02-0.71 0.01 0.02-0.83
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS
TSTMS IS IS
HEAT INDEX 87 93 94 88 84 80 87 92 94 87 82 87 93 95 87 82
MAX HEAT 97 103 102 93 95 105 103 89 94 106 105
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 88 75 87 75 88 75 89
TEMP 76 83 88 79 76 82 87 79 76 83 88 79 76 83 89 80
DEWPT 70 72 73 72 71 71 72 73 71 70 73 73 72 72 74 73
PWIND DIR E E E E E E E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS FW FW FW FW CL FW FW SC FW FW FW FW FW FW FW SC
POP 12HR 5 5 0 20 5 10 0 20
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS
PRZ008-102000-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 93 71 75 80 85 88 93 70 74 80 85 89 94
TEMP 82 86 87 82 79 77 76 75 82 87 88 82 78 76 75 74 82 87 89 82 78
DEWPT 74 75 76 76 76 75 74 73 75 76 76 76 75 74 73 72 74 76 76 75 75
RH 77 70 70 82 91 94 94 94 79 70 68 82 91 94 94 93 77 70 66 79 91
WIND DIR E E NE NE E SE E E E E NE NE E E E SE E E NE NE E
WIND SPD 4 5 9 6 4 5 5 8 8 9 8 9 11 9 6 5 5 6 6 4 4
WIND GUST 20 23 19 18
CLOUDS CL FW B2 B2 SC SC SC SC CL CL B1 B1 B2 B2 SC SC CL CL B2 B2 B2
POP 12HR 60 20 50 50 60
QPF 12HR 0.68-1.04 0.02 0.12-1.06 0.04 0.81-1.04
SNOW 12HR MM MM MM
RAIN SHWRS NM NM IS IS IS IS SC SC SC SC IS IS NM NM NM
TSTMS IS IS IS IS IS IS IS IS IS
HEAT INDEX 87 96 98 89 81 89 97 99 88 89 98100 89 80
MAX HEAT 96 107 106 90 98 109 107 88 96 110 109
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 74 87 74 88 74 88
TEMP 75 82 88 78 75 82 87 78 75 82 88 79 75 83 88 79
DEWPT 73 74 76 74 73 74 76 75 73 75 76 75 73 75 77 75
PWIND DIR SE E SE E E E E E
WIND CHAR LT LT LT GN LT GN GN GN
AVG CLOUDS B2 B1 SC B1 FW FW FW SC CL FW SC SC FW FW SC B1
POP 12HR 60 60 5 40 5 20 5 50
RAIN SHWRS NM NM NM NM IS IS SC SC IS IS IS IS IS SC SC
TSTMS IS IS IS IS IS IS IS IS
PRZ009-102000-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 74 85 93 67 73 77 74 85 93 66 72 76 75 86 94
TEMP 79 84 85 80 76 75 74 73 80 84 85 79 76 74 73 72 80 84 86 80 76
DEWPT 72 72 72 72 72 73 71 70 72 72 73 72 72 73 71 69 72 72 73 72 72
RH 79 67 65 77 87 94 90 90 77 67 67 79 87 97 93 90 77 67 65 77 87
WIND DIR SE SE SE E E E E E E E E E E E E E E E SE E E
WIND SPD 5 8 5 4 3 3 3 4 4 5 4 4 4 4 3 3 3 3 4 2 3
WIND GUST 19 25 23 19 25 24 21 20
CLOUDS CL FW B1 B1 SC FW SC FW CL FW B1 B1 B1 B1 FW FW CL CL B2 B2 B1
POP 12HR 50 10 50 40 60
QPF 12HR 0.02-1.03 0.02 0.03-1.07 0.03 0.27-1.04
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS IS IS IS SC SC SC SC IS IS SC SC SC
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 82 89 90 83 83 89 91 82 83 91 93 83
MAX HEAT 94 105 103 87 94 107 106 84 94 109 107
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 85 72 84 72 85 72 86
TEMP 73 79 85 76 73 79 84 75 72 80 85 76 73 80 86 76
DEWPT 71 72 73 71 71 72 73 72 71 72 74 73 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 SC CL CL SC B1 CL FW FW SC FW FW SC B1
POP 12HR 40 50 0 60 0 40 0 60
RAIN SHWRS SC SC SC SC NM NM SC SC NM NM
TSTMS IS IS IS IS IS IS IS IS SC SC
PRZ010-102000-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 89 93 71 76 82 77 90 93 70 75 82 78 90 94
TEMP 83 88 89 84 80 78 77 76 84 88 90 83 80 78 76 76 84 89 90 84 80
DEWPT 75 76 75 76 76 76 74 73 75 76 76 76 76 75 74 72 74 76 76 76 75
RH 77 68 64 77 88 94 90 90 74 68 64 80 88 91 94 87 72 66 64 77 85
WIND DIR E SE E NE E E E E E E NE NE E E E E E E S NE E
WIND SPD 9 10 8 8 4 4 5 6 5 5 5 8 10 8 6 4 4 3 5 3 4
WIND GUST 21 20 19 19 19 16 17 20 17 19 20 21 23 17 17
CLOUDS FW FW B1 B1 SC FW SC FW CL FW B1 B1 B1 B1 SC SC CL CL B1 B1 B1
POP 12HR 50 20 50 50 60
QPF 12HR 0.03-1.04 0.02 0.02-1.07 0.04 0.01-1.04
SNOW 12HR MM MM MM
RAIN SHWRS IS SC NM IS IS IS IS NM NM SC SC IS IS NM NM NM
TSTMS IS IS IS IS IS IS IS IS IS
HEAT INDEX 91 99100 92 84 92 99102 92 83 91100103 93 83
MAX HEAT 96 109 107 93 98 110 109 93 97 112 109
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 89 75 90 75 90
TEMP 76 84 90 80 76 83 89 79 76 84 90 80 76 84 90 80
DEWPT 74 74 76 75 73 75 76 76 74 75 77 76 74 75 77 76
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW SC FW FW SC SC CL FW SC SC FW FW SC B1
POP 12HR 30 50 0 60 0 50 0 60
RAIN SHWRS NM NM NM NM NM NM SC SC NM NM
TSTMS IS IS IS IS IS IS IS IS SC SC
PRZ011-102000-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 91 93 73 77 80 85 91 93 72 76 80 85 92 94
TEMP 85 90 91 85 81 79 78 77 85 90 91 85 81 78 77 77 85 91 92 85 81
DEWPT 74 74 74 75 76 76 74 73 73 74 74 75 74 74 73 71 71 74 73 73 73
RH 70 60 58 72 85 91 88 87 67 60 58 72 79 88 87 82 63 58 54 67 77
WIND DIR E SE SE SE E E E E E SE SE E E E E E E SE SE E E
WIND SPD 13 16 14 11 9 8 8 6 9 14 14 10 9 10 8 5 5 11 12 8 8
WIND GUST 26 29 28 24 20 20 29 31 24 23 20 26 25
CLOUDS CL SC SC SC FW FW SC SC CL SC SC SC B1 B1 FW FW FW FW SC SC FW
POP 12HR 10 10 30 30 20
QPF 12HR 0.03 0.02 0.02-0.76 0.03 0.03-0.78
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS SC SC IS IS IS IS IS
TSTMS IS IS
HEAT INDEX 93 99102 93 87 81 92 99102 93 85 91101102 92 85
MAX HEAT 96 107 105 90 96 109 107 88 94 109 107
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 91 76 92 75 92
TEMP 77 85 92 81 77 85 91 80 77 85 92 81 76 85 92 81
DEWPT 72 73 75 74 73 73 75 75 73 71 76 76 74 73 76 75
PWIND DIR E SE E E E E E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS FW FW FW FW CL CL FW SC FW FW FW FW CL FW FW SC
POP 12HR 0 5 0 20 0 10 0 30
RAIN SHWRS IS IS IS IS IS IS IS IS IS
TSTMS IS IS
PRZ012-102000-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 93 80 85 88 91 80 85 89 92
TEMP 85 88 89 85 83 82 81 80 85 88 88 85 82 81 80 80 85 88 89 85 83
DEWPT 77 78 78 79 78 78 77 77 77 77 76 77 76 77 77 76 77 77 76 76 75
RH 77 72 70 82 85 88 88 91 77 70 68 77 82 88 91 88 77 70 66 75 77
WIND DIR SE SE E E E E E E E E E E E E E E E E E E E
WIND SPD 14 16 13 13 14 16 16 17 16 16 13 11 11 12 14 13 12 13 11 10 9
CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 50 50 50 30 30
QPF 12HR 0.65 0.13 0.12-0.53 0.05 0.03-0.19
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC SC SC SC SC IS IS IS IS IS SC SC IS IS IS IS SC
HEAT INDEX 96102102 97 92 90 87 85 96100100 95 90 89 87 85 96100100 95 90
MAX HEAT 102 108 106 95 100 106 103 92 100 106 105
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 80 89 80 89 79 89
TEMP 80 85 89 83 80 85 89 82 80 85 89 83 80 85 89 82
DEWPT 76 77 76 76 76 77 77 77 78 77 77 77 78 78 77 77
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN BZ GN BZ BZ BZ
AVG CLOUDS SC SC SC SC CL FW FW SC CL FW SC SC B1 SC SC B1
POP 12HR 30 30 5 20 20 30 30 50
RAIN SHWRS SC SC SC SC IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS
PRZ013-102000-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 79 85 88 91 79 85 89 92
TEMP 84 88 89 84 82 81 80 79 84 88 88 84 82 80 79 79 85 88 89 85 82
DEWPT 76 76 76 77 76 77 75 76 76 76 75 75 75 76 76 75 76 75 74 75 74
RH 77 68 66 80 82 88 85 91 77 68 66 74 79 88 91 88 75 66 61 72 77
WIND DIR SE SE E E E E E E E E E E E E E E E E E E E
WIND SPD 12 14 12 13 14 16 17 16 16 14 12 11 12 12 14 13 13 12 10 9 9
CLOUDS B2 B2 B2 B2 B2 B1 B1 B2 B2 SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 50 50 50 30 30
QPF 12HR 0.65 0.12 0.06-0.65 0.05 0.01-0.08
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC SC SC SC SC IS IS IS IS IS SC SC IS IS IS IS SC
TSTMS IS IS
HEAT INDEX 94 99100 94 89 87 83 80 94 98 98 93 88 86 83 80 94 99 98 93 88
MAX HEAT 98 105 103 91 97 103 101 89 98 103 101
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 88 78 89 78 89
TEMP 79 85 89 82 79 84 88 81 79 85 89 81 79 84 89 81
DEWPT 75 76 74 74 75 76 75 75 76 76 75 75 77 77 75 76
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN BZ GN BZ BZ BZ
AVG CLOUDS SC SC SC SC FW FW SC SC SC SC SC SC B1 B1 SC B1
POP 12HR 30 30 10 20 30 40 40 50
RAIN SHWRS SC SC SC SC IS IS IS IS SC SC SC SC SC IS SC
TSTMS IS IS IS IS IS IS
VIZ001-102000-
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 WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 93 73 79 83 85 87 91 73 79 83 85 87 92
TEMP 84 86 87 84 81 80 79 79 84 86 87 84 82 80 79 79 84 87 87 84 81
DEWPT 77 77 77 78 77 77 76 76 76 76 75 76 75 77 76 76 76 76 74 75 75
RH 80 75 72 82 88 91 91 91 77 72 68 77 79 91 91 91 77 70 65 74 82
WIND DIR SE SE E E E E E E E E E E E E E E E E E E E
WIND SPD 16 16 14 13 16 18 16 17 16 16 13 11 11 14 13 13 13 13 11 10 12
CLOUDS B2 B2 B1 B1 B2 B2 B2 B1 FW SC SC SC SC SC SC SC FW FW SC SC SC
POP 12HR 50 50 20 30 20
QPF 12HR 0.18-0.65 0.11 0.03-0.22 0.05 0.02
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC SC SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS
HEAT INDEX 93 97 98 94 88 86 82 82 93 96 96 92 88 85 83 82 92 97 96 92 87
MAX HEAT 102 107 106 97 100 103 103 96 100 105 103
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 86 79 87 78 87
TEMP 79 84 87 81 79 83 86 81 79 84 87 81 79 84 87 81
DEWPT 76 76 75 75 76 76 76 76 77 76 76 76 77 77 76 77
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN BZ BZ BZ BZ BZ
AVG CLOUDS SC SC SC SC CL FW SC SC FW FW SC SC SC SC SC SC
POP 12HR 30 30 5 20 20 30 30 40
RAIN SHWRS IS IS SC IS IS IS IS IS IS IS IS SC SC IS SC
TSTMS IS
VIZ002-102000-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
502 AM AST WED SEP 10 2025
DATE WED 09/10/25 THU 09/11/25 FRI 09/12/25
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 79 85 88 91 79 85 89 92
TEMP 84 87 88 84 82 81 80 79 84 87 88 84 82 81 80 79 85 88 89 85 82
DEWPT 77 78 77 78 77 77 76 76 76 76 76 76 76 76 76 75 76 76 75 75 75
RH 80 75 70 82 85 88 88 91 77 70 68 77 82 85 88 88 75 68 64 72 79
WIND DIR SE E E E E E E E E E E E E E E E E E E E E
WIND SPD 14 16 14 13 13 14 14 13 16 14 13 11 10 11 11 11 12 12 11 10 10
CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 CL SC FW FW SC SC SC SC FW FW SC SC SC
POP 12HR 50 50 10 20 20
QPF 12HR 0.17-0.60 0.10 0.02 0.04 0.02
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 94100101 96 90 87 84 81 94 98 99 94 89 86 84 82 94 98 99 93 88
MAX HEAT 100 109 107 93 97 105 103 92 99 106 103
HEAT Y Y
DATE SAT 09/13/25 SUN 09/14/25 MON 09/15/25 TUE 09/16/25
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 79 88 79 89 78 88
TEMP 80 85 89 82 79 84 88 81 79 84 89 82 79 84 88 82
DEWPT 75 76 76 75 76 76 76 76 76 77 77 76 77 77 77 76
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN BZ
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC
POP 12HR 30 30 10 20 30 40 40 40
RAIN SHWRS IS IS SC IS IS IS IS IS IS IS IS SC SC SC IS SC
TSTMS IS IS IS IS
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