860
FOCA52 TJSJ 090902
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
502 AM AST TUE SEP 9 2025
PRZ001-092000-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 73 77 81 83 90 93
TEMP 84 89 90 84 80 78 77 76 84 89 90 85 81 79 78 77 85 89 90 84 81
DEWPT 74 75 76 76 75 76 75 74 76 76 76 76 76 77 76 76 76 76 76 76 76
RH 72 64 64 77 85 94 94 94 77 66 64 75 85 94 94 97 75 66 64 77 85
WIND DIR SE E E E SE SE SE SE SE SE SE E E E E E E E E E E
WIND SPD 3 6 8 8 6 5 5 4 4 9 13 11 6 5 6 6 9 11 12 11 8
WIND GUST 23
CLOUDS CL FW SC B1 B1 FW FW SC SC SC B2 B2 SC SC SC SC SC SC B1 B1 SC
POP 12HR 50 40 50 50 30
QPF 12HR 0.51-1.02 0.02-0.09 0.58-0.66 0.08-0.18 0.04-0.76
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS IS IS IS SC SC SC SC SC SC IS IS SC SC IS
TSTMS IS IS IS IS IS IS
HEAT INDEX 91 99102 92 84 93101102 94 88 83 81 95101102 93 86
MAX HEAT 96 111 108 89 98 111 109 92 100 112 109
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 76 90 77 89 77 90
TEMP 77 84 90 80 77 84 90 81 78 84 89 80 78 84 90 81
DEWPT 75 75 75 75 75 75 76 75 75 76 76 76 75 75 76 76
PWIND DIR SE E SE E SE E E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC B1
POP 12HR 20 30 30 40 40 40 30 40
RAIN SHWRS IS IS IS SC SC SC SC SC SC SC SC SC IS IS SC SC
TSTMS IS IS IS IS
PRZ002-092000-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 81 75 87 92 68 77 81 75 88 93
TEMP 82 87 88 83 80 78 77 76 83 87 87 83 80 78 77 77 83 87 88 83 80
DEWPT 73 74 74 75 73 75 74 75 75 76 75 76 75 76 75 75 76 75 74 75 74
RH 74 65 63 77 79 91 90 97 77 70 68 80 85 94 94 94 80 68 63 77 82
WIND DIR E E E SE SE SE SE SE SE SE SE E E E E E E E E E E
WIND SPD 3 8 8 8 6 10 9 8 8 11 11 9 8 9 9 9 10 12 11 9 6
WIND GUST 20 19 21 19 19 19 19
CLOUDS CL FW SC SC B1 SC SC SC SC SC B1 B1 SC SC SC SC B1 B1 SC SC SC
POP 12HR 50 50 50 50 50
QPF 12HR 0.05-0.60 0.07-0.16 0.18-0.66 0.18 0.05-0.78
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS IS SC SC SC SC SC SC SC SC SC SC SC IS IS SC
TSTMS IS IS IS IS IS
HEAT INDEX 88 95 96 90 83 90 96 97 91 85 81 91 96 97 90 84
MAX HEAT 96 105 103 92 97 106 105 94 99 108 106
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 76 88
TEMP 77 83 88 79 77 83 88 80 77 82 87 79 77 83 88 80
DEWPT 74 74 74 74 74 74 74 74 74 74 74 74 75 75 75 75
PWIND DIR E E E E E E E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC SC B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC B1
POP 12HR 40 50 50 40 40 40 40 50
RAIN SHWRS SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS
PRZ003-092000-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 76 82 78 88 93 70 77 82 78 88 93
TEMP 83 87 88 83 80 78 77 76 83 87 88 83 80 79 78 77 83 87 88 83 80
DEWPT 72 72 73 74 73 75 73 73 74 74 74 75 75 76 74 74 74 74 73 74 74
RH 70 61 61 74 79 91 87 90 74 65 63 77 85 91 88 90 74 65 61 74 82
WIND DIR NE E SE SE E E E E E SE SE E NE E E E E E E E E
WIND SPD 3 8 8 6 5 8 8 8 8 10 9 9 6 8 8 9 11 12 10 8 6
WIND GUST 19 23 25 20
CLOUDS CL FW SC SC B1 FW SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 50 50 50 50 30
QPF 12HR 0.03-0.60 0.03-0.13 0.05-0.18 0.13-0.18 0.00-0.78
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC IS IS IS SC SC SC SC SC SC SC SC SC IS IS SC
TSTMS IS IS
HEAT INDEX 87 94 96 89 83 80 89 95 96 90 84 81 90 95 96 89 83
MAX HEAT 95 105 103 92 99 106 105 93 99 105 103
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 75 88 76 87 76 88
TEMP 77 83 88 79 76 82 88 79 77 82 87 79 77 83 88 80
DEWPT 74 73 73 73 73 73 72 73 74 73 72 74 74 73 72 74
PWIND DIR E E E E E E E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC SC SC B1 B1 SC SC B1 B1 SC FW SC SC FW SC
POP 12HR 30 50 50 40 40 40 30 40
RAIN SHWRS SC IS IS IS SC SC SC IS SC SC SC IS SC SC IS SC
PRZ004-092000-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 93 69 73 77 76 87 93 69 74 78 77 87 94
TEMP 81 86 87 81 77 75 74 73 81 86 87 81 78 76 75 74 82 86 87 81 77
DEWPT 72 72 73 73 72 73 72 72 74 74 74 74 74 74 73 73 74 74 73 73 73
RH 74 63 63 77 85 94 93 97 79 68 65 79 88 94 94 97 77 68 63 77 87
WIND DIR E E E SE SE SE SE SE SE SE SE E E E E E E E E E E
WIND SPD 2 6 6 5 4 5 5 4 5 10 10 8 4 4 4 5 8 10 10 8 4
CLOUDS CL FW SC B1 B1 FW FW FW SC SC B1 B1 SC SC SC SC SC SC B1 B1 SC
POP 12HR 40 40 50 50 40
QPF 12HR 0.04-1.02 0.02-0.11 0.11-0.66 0.17 0.03-0.78
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS IS IS SC SC SC SC SC SC SC SC SC SC SC IS
TSTMS IS IS IS IS IS IS
HEAT INDEX 84 92 95 86 86 94 95 86 80 87 94 95 85
MAX HEAT 95 106 105 87 97 107 106 89 98 106 105
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 72 87 73 86 73 87
TEMP 74 81 87 77 73 81 87 77 74 80 86 77 74 81 87 78
DEWPT 73 73 72 73 72 73 73 73 72 73 73 73 73 73 74 73
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT LT LT GN LT LT
AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC FW SC
POP 12HR 20 40 40 40 40 40 30 50
RAIN SHWRS IS IS IS SC SC SC SC SC SC SC SC SC SC SC IS SC
TSTMS IS IS
PRZ005-092000-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 94 72 74 80 83 90 94 73 76 80 83 90 94
TEMP 83 88 90 83 79 77 75 75 83 89 90 84 80 78 77 76 84 89 90 84 79
DEWPT 75 76 77 76 75 76 74 73 76 77 77 76 77 76 75 75 76 77 77 76 76
RH 77 68 66 80 88 97 97 94 80 68 66 77 91 94 94 97 77 68 66 77 91
WIND DIR SE E NE E SE SE SE SE SE E E E E SE SE SE E E E E E
WIND SPD 3 5 9 6 4 5 5 5 5 6 10 8 6 6 5 5 6 9 12 11 8
WIND GUST 20 18 24 23
CLOUDS CL CL SC B2 SC FW CL FW SC SC B2 B2 FW FW FW FW FW FW B1 B1 FW
POP 12HR 60 20 50 20 30
QPF 12HR 0.51-1.02 0.02 0.56-1.01 0.01-0.08 0.01-1.01
SNOW 12HR MM MM MM
RAIN SHWRS SC NM IS IS IS SC SC IS IS IS IS SC SC
TSTMS IS IS IS IS IS IS
HEAT INDEX 90100103 91 80 92102104 93 85 93103103 92 83
MAX HEAT 97 114 112 88 100 115 113 91 100 115 112
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 74 90 74 89 75 90
TEMP 76 84 90 79 75 83 90 79 75 83 89 79 76 84 90 80
DEWPT 75 76 76 76 74 76 77 76 74 76 78 76 75 76 77 77
PWIND DIR SE E SE E SE E SE E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS FW FW SC SC SC SC SC B1 SC SC FW FW FW FW FW SC
POP 12HR 5 20 20 50 30 10 5 10
RAIN SHWRS IS IS IS IS IS SC SC SC SC IS IS IS IS IS IS
TSTMS IS IS
PRZ006-092000-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 63 71 76 75 84 92 63 72 76 75 85 92
TEMP 79 83 85 79 75 74 72 71 79 83 84 79 76 74 73 72 79 84 85 79 75
DEWPT 70 70 71 72 71 72 71 70 72 72 72 72 72 73 72 71 72 72 72 72 72
RH 74 65 63 79 87 93 97 97 79 70 67 79 87 97 97 97 79 67 65 79 90
WIND DIR E E SE SE SE SE SE SE SE SE SE SE E E E E E E E E E
WIND SPD 2 5 5 4 4 4 4 4 4 8 8 6 4 3 4 4 6 9 8 6 4
WIND GUST 19 24
CLOUDS CL CL SC B2 SC FW CL FW SC SC B1 B1 SC SC SC SC FW FW B1 B1 FW
POP 12HR 70 20 50 30 40
QPF 12HR 0.03-1.01 0.01 0.03-1.01 0.01-0.15 0.00-1.01
SNOW 12HR MM MM MM
RAIN SHWRS SC NM IS IS IS SC SC IS IS IS IS SC SC
TSTMS IS IS IS IS IS IS
HEAT INDEX 81 88 90 82 81 88 90 82 82 89 90 81
MAX HEAT 93 106 105 84 95 106 105 87 97 106 103
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 84 71 83 71 82 71 84
TEMP 72 79 84 75 72 78 83 75 72 78 82 75 72 79 84 76
DEWPT 71 71 72 72 71 71 72 72 71 72 72 72 71 72 72 72
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC SC FW SC SC SC FW FW SC FW FW FW FW
POP 12HR 5 30 5 40 10 10 0 10
RAIN SHWRS IS IS IS IS IS SC IS IS IS IS IS IS IS
TSTMS IS IS IS
PRZ007-092000-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 94 65 76 80 75 88 94 66 76 81 75 89 94
TEMP 82 87 88 83 80 78 77 76 83 87 88 83 80 78 77 77 83 87 89 83 79
DEWPT 70 69 71 72 72 73 72 71 71 72 72 72 74 73 72 71 71 71 72 73 73
RH 67 55 57 70 77 85 85 85 67 61 59 70 82 85 85 82 67 59 57 72 82
WIND DIR E SE SE SE E E E E E SE SE SE E E E E E E SE SE E
WIND SPD 4 8 8 6 4 5 8 6 8 10 9 8 5 4 5 5 9 12 10 6 4
WIND GUST 20 20 21 21 21 20 21 27 24
CLOUDS CL CL SC SC B1 FW CL FW SC SC SC SC FW FW FW FW CL CL SC SC FW
POP 12HR 40 40 20 20 10
QPF 12HR 0.03-1.01 0.03 0.03 0.01-0.13 0.00-0.70
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC IS IS IS IS IS IS IS IS IS IS
TSTMS IS IS IS
HEAT INDEX 86 91 94 88 83 87 93 95 88 84 81 88 93 96 88 83
MAX HEAT 95 102 101 90 95 105 102 92 96 105 103
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 88 75 87 75 88
TEMP 76 83 88 79 76 83 88 79 76 82 87 79 76 83 88 79
DEWPT 72 71 72 73 72 71 72 73 72 72 71 73 72 71 71 73
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW SC CL FW FW FW FW FW FW FW CL CL FW FW
POP 12HR 5 20 5 5 0 10 0 10
RAIN SHWRS IS SC IS IS IS IS IS IS IS
TSTMS IS IS
PRZ008-092000-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 88 94 70 73 80 83 88 94 71 75 80 83 89 94
TEMP 82 87 88 82 78 76 74 74 82 87 88 82 79 77 76 75 83 87 89 82 78
DEWPT 72 73 74 74 74 75 73 72 73 75 76 75 76 75 74 73 74 75 75 74 75
RH 72 63 63 77 88 97 97 93 74 68 68 79 91 94 94 94 74 68 64 77 91
WIND DIR E E NE E SE SE SE SE SE E NE E E E E E E E NE E E
WIND SPD 3 4 6 4 2 4 5 5 4 4 8 6 3 5 6 6 5 5 9 8 8
WIND GUST 20 19
CLOUDS FW CL SC B2 SC SC CL FW SC SC B2 B2 SC SC FW FW CL CL B1 B1 FW
POP 12HR 70 20 60 20 50
QPF 12HR 0.51-1.02 0.02 0.56-1.01 0.02 0.02-1.05
SNOW 12HR MM MM MM
RAIN SHWRS SC NM IS IS SC NM IS IS SC SC
TSTMS IS IS IS IS IS IS
HEAT INDEX 86 95 97 88 87 96 99 89 81 89 97 99 89 80
MAX HEAT 94 106 106 89 95 109 107 90 96 109 107
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 88 74 87 74 88
TEMP 75 82 88 78 75 82 88 78 75 81 87 78 75 82 88 79
DEWPT 73 73 74 75 73 73 75 75 73 73 75 75 73 74 76 76
PWIND DIR E E SE E SE E E E
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW SC SC FW SC B1 FW FW FW SC FW FW SC SC
POP 12HR 5 40 10 60 5 40 5 20
RAIN SHWRS SC SC IS IS NM NM IS IS SC SC IS IS IS
TSTMS IS IS IS IS IS IS
PRZ009-092000-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 94 66 72 76 75 86 94 67 73 77 75 86 94
TEMP 80 85 86 80 76 74 73 72 80 84 86 80 77 75 74 73 80 85 86 80 76
DEWPT 70 69 71 71 71 73 71 70 71 72 72 71 73 73 72 70 71 72 72 71 73
RH 72 59 61 74 85 97 93 93 74 67 63 74 87 94 93 90 74 65 63 74 90
WIND DIR E E E SE SE SE SE SE SE SE SE E E E E E E E E E E
WIND SPD 2 4 3 2 2 3 4 4 5 6 5 3 3 3 3 4 5 5 4 3 3
WIND GUST 19 19 21 23 20 19 19 26 23
CLOUDS CL CL SC B2 SC FW CL FW SC SC B1 B1 FW FW FW FW CL CL B1 B1 CL
POP 12HR 70 10 50 10 50
QPF 12HR 0.03-1.01 0.01 0.03-1.01 0.02 0.01-1.05
SNOW 12HR MM MM MM
RAIN SHWRS SC NM IS IS SC NM IS IS IS IS SC SC
TSTMS IS IS IS IS IS IS
HEAT INDEX 82 89 92 83 83 90 92 83 84 91 92 83
MAX HEAT 92 105 103 85 94 106 105 86 94 106 105
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 86 72 85 72 84 72 85
TEMP 73 80 86 76 73 79 85 76 73 79 84 75 72 80 85 76
DEWPT 71 71 72 72 71 71 72 72 71 71 73 72 71 71 73 73
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS CL CL SC SC FW FW SC SC FW FW SC B1 CL FW FW SC
POP 12HR 5 50 0 50 0 60 0 50
RAIN SHWRS SC SC SC SC IS IS NM NM SC SC
TSTMS IS IS IS IS IS IS IS IS
PRZ010-092000-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 94 71 75 82 78 90 94 71 76 82 78 90 94
TEMP 84 89 90 84 80 78 76 76 84 89 90 84 80 78 77 76 84 89 90 84 80
DEWPT 73 73 74 74 74 75 74 73 74 75 75 75 76 76 74 73 74 76 76 75 76
RH 70 59 60 72 82 91 94 90 72 64 62 74 88 94 90 90 72 66 64 74 88
WIND DIR E E NW E E E E E E SE E E E E E E E E E E E
WIND SPD 5 4 5 4 3 5 8 10 8 9 6 8 5 4 5 6 5 5 5 6 5
WIND GUST 19 17 17 17 19 24 24 21 17 19 17 17 23 23 21 24 21 21
CLOUDS FW CL SC B1 SC SC CL FW SC SC B1 B1 SC SC FW FW CL CL B1 B1 FW
POP 12HR 60 20 60 20 50
QPF 12HR 0.03-1.03 0.01-0.06 0.03-1.01 0.01-0.07 0.01-1.05
SNOW 12HR MM MM MM
RAIN SHWRS IS SC NM IS IS SC NM IS IS IS IS NM NM
TSTMS IS IS IS IS IS IS
HEAT INDEX 90 97100 91 83 91 99102 93 85 92100102 92 84
MAX HEAT 95 107 106 92 96 110 109 94 97 112 109
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 75 89 75 90
TEMP 76 84 90 80 76 84 90 80 76 83 89 79 76 84 90 80
DEWPT 74 73 75 75 74 74 75 75 74 74 76 76 74 74 76 76
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW CL FW SC FW FW FW SC FW FW SC SC CL FW SC SC
POP 12HR 5 50 0 50 0 60 0 50
RAIN SHWRS SC SC NM NM NM NM SC SC
TSTMS IS IS IS IS IS IS IS IS
PRZ011-092000-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 92 94 73 76 80 83 92 94 73 77 80 83 92 94
TEMP 85 91 92 85 81 79 77 77 85 91 92 86 81 79 78 77 86 91 92 85 81
DEWPT 73 70 71 72 73 75 74 72 73 74 74 74 76 76 75 73 73 73 74 74 75
RH 67 50 51 65 77 88 90 85 67 58 56 68 85 91 91 87 65 56 56 70 82
WIND DIR E SE SE E E E E E E SE SE SE E E E E E SE SE SE E
WIND SPD 8 11 12 9 8 8 10 11 13 13 13 11 9 6 9 8 12 16 14 10 8
WIND GUST 24 25 19 23 25 26 25 26 24 21 25 32 31 20
CLOUDS FW CL SC SC B1 SC CL FW SC SC SC SC FW FW FW FW CL CL FW FW FW
POP 12HR 40 40 20 20 5
QPF 12HR 0.03-0.52 0.04 0.03 0.04 0.00-0.70
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS
HEAT INDEX 92 97 99 91 85 80 92100102 93 87 81 93100102 93 86
MAX HEAT 95 106 105 90 97 109 107 91 96 109 107
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 92 76 91 76 92
TEMP 77 85 92 81 77 85 92 81 77 85 91 80 77 85 92 80
DEWPT 74 73 74 75 74 72 73 75 74 73 73 74 74 72 73 75
PWIND DIR E SE E SE E E E E
WIND CHAR GN GN LT GN LT GN LT GN
AVG CLOUDS FW FW FW SC CL FW FW FW CL CL FW SC CL CL FW FW
POP 12HR 5 20 0 5 0 20 0 10
RAIN SHWRS IS IS IS IS IS IS IS
TSTMS IS
PRZ012-092000-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 88 94 80 83 89 94 80 83 89 94
TEMP 85 88 88 85 82 81 80 80 85 88 89 85 83 81 81 80 85 88 89 85 83
DEWPT 75 77 76 77 76 77 77 77 77 78 77 78 78 78 78 77 77 77 76 77 76
RH 72 70 68 77 82 88 91 91 77 72 68 80 85 91 91 91 77 70 66 77 80
WIND DIR E E SE SE SE SE SE SE SE E E E E E E E E E E E E
WIND SPD 6 6 6 8 12 17 16 11 14 14 13 12 13 16 18 17 17 16 12 13 12
CLOUDS FW SC SC SC SC SC B1 B2 SC SC SC SC SC SC SC SC B2 B2 SC SC SC
POP 12HR 30 50 50 50 50
QPF 12HR 0.53 0.17 0.18 0.18 0.07-0.59
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS SC IS SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS
TSTMS IS IS
HEAT INDEX 93 99 99 95 90 89 86 84 95101101 96 92 90 87 85 96100100 95 90
MAX HEAT 98 106 105 94 100 108 106 95 102 106 105
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 88 80 89
TEMP 80 85 89 83 80 85 89 82 80 84 88 82 80 85 89 82
DEWPT 77 76 75 76 76 76 75 76 77 76 75 76 77 77 77 77
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 SC SC SC B1 SC FW SC
POP 12HR 20 20 20 40 40 30 30 30
RAIN SHWRS IS IS IS IS IS IS SC SC SC SC IS SC SC SC IS SC
PRZ013-092000-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 89 92 79 83 89 93 79 83 89 92
TEMP 84 88 89 84 82 80 79 79 85 88 89 85 82 80 80 79 85 88 89 85 82
DEWPT 74 75 74 75 74 76 75 76 76 76 75 76 77 77 76 76 76 75 74 75 75
RH 72 66 61 74 77 88 88 91 75 68 64 75 85 91 88 91 75 66 61 72 79
WIND DIR E E SE SE SE SE SE SE SE SE E E E E E E E E E E E
WIND SPD 6 6 6 8 11 17 14 12 12 13 12 12 13 16 18 17 16 14 11 11 12
CLOUDS FW SC SC SC B1 SC B1 B1 SC SC SC SC SC SC SC SC B2 B2 SC SC SC
POP 12HR 40 50 50 50 50
QPF 12HR 0.54 0.17 0.18 0.18 0.07-0.60
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS
TSTMS IS IS IS IS
HEAT INDEX 92 97 97 92 88 86 82 80 94 99 99 94 90 87 84 80 94 98 98 93 88
MAX HEAT 95 103 101 91 98 105 103 93 99 103 102
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 78 89 78 88 78 89
TEMP 80 85 89 82 79 85 89 81 79 84 88 81 79 84 89 81
DEWPT 75 75 73 74 75 75 73 75 75 75 74 75 75 76 75 76
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW SC
POP 12HR 20 30 30 30 30 20 20 40
RAIN SHWRS IS IS IS IS SC IS SC SC SC SC IS IS IS IS IS SC
VIZ001-092000-
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 TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 86 94 73 79 83 83 87 94 73 79 83 83 87 94
TEMP 83 86 86 83 81 80 79 79 84 86 87 83 81 80 79 79 83 86 87 83 81
DEWPT 75 76 75 76 75 77 76 76 76 77 75 77 77 77 77 77 76 75 75 76 75
RH 77 72 70 80 82 91 91 91 77 75 68 82 88 91 94 94 80 70 68 80 82
WIND DIR E E SE SE SE SE SE SE SE SE E E E E E E E E E E E
WIND SPD 6 8 8 10 13 16 14 14 16 16 14 12 13 18 18 16 14 14 12 13 13
CLOUDS SC SC SC B1 SC SC B2 B2 SC SC SC SC SC SC SC SC B1 B1 SC SC FW
POP 12HR 40 50 50 50 40
QPF 12HR 0.61 0.17 0.18 0.18 0.06
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS IS SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS
TSTMS IS IS IS IS IS
HEAT INDEX 90 95 95 92 87 85 83 82 92 97 96 93 88 86 83 82 92 95 96 91 87
MAX HEAT 98 107 105 96 100 109 106 97 100 106 105
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 79 86 79 87
TEMP 79 83 87 81 79 83 87 81 79 83 86 81 79 83 87 81
DEWPT 76 75 74 75 76 75 74 75 76 75 74 76 77 76 75 76
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW SC SC SC SC SC SC SC SC SC SC SC FW FW SC
POP 12HR 10 20 30 30 20 20 10 30
RAIN SHWRS IS IS IS IS IS IS SC IS IS IS IS IS IS IS IS IS
VIZ002-092000-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
502 AM AST TUE SEP 9 2025
DATE TUE 09/09/25 WED 09/10/25 THU 09/11/25
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 88 94 79 83 89 94 79 83 88 94
TEMP 84 87 88 84 82 80 79 79 85 88 89 85 82 81 80 79 85 88 88 85 82
DEWPT 75 75 75 76 75 76 76 76 76 77 76 77 77 77 77 77 76 76 75 75 76
RH 74 68 66 77 79 88 91 91 75 70 66 77 85 88 91 94 75 68 66 72 82
WIND DIR E SE SE SE SE SE SE SE E E E E E E E E E E E E E
WIND SPD 5 8 9 10 12 13 11 12 14 16 14 12 12 16 16 13 13 13 13 12 10
CLOUDS SC SC SC B1 FW SC B1 B2 SC SC SC SC SC SC SC SC SC SC FW FW FW
POP 12HR 40 50 50 50 20
QPF 12HR 0.61 0.15 0.18 0.16 0.00-0.06
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS SC SC SC SC SC SC SC SC SC SC IS IS IS IS IS
TSTMS IS IS IS IS
HEAT INDEX 92 97 98 93 87 86 83 81 94100100 95 90 87 85 82 94 98 99 93 89
MAX HEAT 99 107 106 92 100 109 107 94 100 107 106
HEAT Y Y
DATE FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 88 79 88 79 87 79 89
TEMP 80 85 88 82 79 84 88 82 79 84 87 81 79 84 89 82
DEWPT 76 75 75 75 76 75 75 76 76 75 75 76 76 76 76 77
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW SC SC SC SC SC SC SC SC FW SC SC SC FW SC
POP 12HR 10 20 30 30 10 10 10 40
RAIN SHWRS IS IS IS IS IS IS SC IS IS IS IS IS IS IS IS SC
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page