197
FOCA52 TJSJ 172102
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
502 PM AST THU JUL 17 2025
PRZ001-180800-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 73 77 82 80 88 90 71 76 82 80 88 90 71 75 82
TEMP 80 79 77 78 83 87 88 85 79 77 76 77 83 87 88 85 79 77 76 77 82
DEWPT 74 74 73 72 76 76 77 76 75 75 74 74 75 75 76 75 75 75 74 74 76
RH 82 85 87 82 80 70 70 75 88 94 94 90 77 68 68 72 88 94 94 90 82
WIND DIR E E E E E E E E E E E E E E E E E E E E E
WIND SPD 9 8 8 6 9 12 13 12 8 6 5 5 6 10 14 12 8 6 5 5 8
WIND GUST 24 23 25 23
CLOUDS SC B1 B1 B1 SC B2 SC SC SC B1 B1 B2 B1 B2 B2 B2 B1 B1 B1 B1 SC
POP 12HR 40 60 50 60 40
QPF 12HR 0.11 0.11 0.07-0.32 0.66-0.85 0.06-0.18
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS NM SC SC SC SC SC SC SC NM NM NM SC SC SC SC IS
TSTMS IS IS IS IS
OBVIS H H H
HEAT INDEX 84 80 92 97 99 94 83 90 96 98 93 83 90
MAX HEAT 96 89 97 108 107 90 94 108 107 90 95
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 87 76 86 76 88 77 88 77 89
TEMP 87 80 76 82 86 80 76 84 88 81 77 84 88 80 77 84 89 81
DEWPT 76 75 74 75 74 74 75 76 76 76 75 76 76 75 75 75 76 72
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN GN GN GN GN
AVG CLOUDS SC SC SC SC SC B1 SC SC SC SC CL FW SC SC SC SC SC SC
POP 12HR 40 10 40 30 30 5 30 10 30
RAIN SHWRS SC SC IS IS SC SC IS IS IS IS IS SC SC IS IS SC SC
PRZ002-180800-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 77 82 74 85 90 65 75 82 75 87 92 65 76 82
TEMP 79 78 77 78 82 84 85 83 79 77 76 77 82 86 87 84 79 77 76 77 82
DEWPT 74 74 73 72 75 75 75 75 74 74 73 73 74 74 74 75 74 74 73 74 75
RH 85 88 87 82 79 74 72 77 85 90 90 87 77 68 65 74 85 90 90 90 79
WIND DIR E E E E E E E E NE E E E E E E E E E E E E
WIND SPD 11 10 10 10 10 12 12 11 9 8 6 8 9 10 11 11 8 9 8 8 10
WIND GUST 21 21 21 17 21
CLOUDS B1 B1 B2 SC SC B2 SC SC B1 B1 B1 B2 B1 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR 60 60 60 60 50
QPF 12HR 0.12 0.11 0.08-0.32 0.68-0.85 0.09-0.19
SNOW 12HR MM MM MM
RAIN SHWRS SC SC NM SC IS NM SC SC SC SC SC NM SC NM NM NM SC SC SC SC SC
TSTMS IS IS IS IS IS IS
OBVIS H H
HEAT INDEX 83 80 88 93 94 90 82 89 94 95 92 84 88
MAX HEAT 98 90 96 102 101 91 96 105 104 91 96
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 86 76 85 76 87 77 87 77 86
TEMP 86 79 76 81 85 79 76 83 87 80 77 83 87 80 77 82 86 80
DEWPT 75 74 73 74 73 73 74 75 75 74 74 75 76 74 74 74 75 72
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS B1 B1 SC SC B1 B1 B1 B1 B1 SC FW SC SC B1 SC SC B1 B1
POP 12HR 50 30 50 40 40 30 40 30 40
RAIN SHWRS SC SC IS IS SC SC SC SC SC IS IS IS SC SC SC SC SC SC
TSTMS IS IS
PRZ003-180800-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 68 76 82 76 86 92 68 75 82 76 87 92 68 75 82
TEMP 80 78 77 78 82 85 86 84 79 77 75 77 82 86 87 84 79 77 76 77 82
DEWPT 74 73 73 71 75 75 75 75 74 74 73 73 74 74 74 75 74 75 73 74 75
RH 82 85 87 79 79 72 70 74 85 90 94 87 77 68 65 74 85 94 90 90 79
WIND DIR E E E E E E E E NE NE NE NE E E E E E E E E E
WIND SPD 9 9 10 9 10 11 12 12 9 8 6 5 8 11 12 10 8 8 6 6 9
WIND GUST 21 20 23 26 24 19 24 26 23
CLOUDS SC SC SC SC FW FW SC SC CL FW FW FW FW B1 SC SC SC SC SC SC B1
POP 12HR 30 10 5 40 50
QPF 12HR 0.01-0.10 0.00-0.08 0.01-0.08 0.03-0.80 0.01-0.12
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC IS IS IS IS IS IS SC SC SC IS IS IS IS SC
TSTMS IS IS
OBVIS H H H H H H H H
HEAT INDEX 83 80 89 94 95 91 82 88 94 96 92 83 88
MAX HEAT 97 89 98 106 105 90 96 106 105 90 95
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 86 76 85 76 87 77 87 76 86
TEMP 86 79 76 81 85 79 76 83 87 80 77 83 87 80 76 82 86 79
DEWPT 75 74 74 74 73 73 74 75 75 75 74 75 76 74 74 75 75 71
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN GN GN GN GN GN GN
AVG CLOUDS B1 SC SC FW FW SC B1 B1 SC FW CL FW SC SC SC SC SC SC
POP 12HR 50 10 30 40 40 20 30 20 40
RAIN SHWRS SC SC IS IS IS SC SC SC IS IS IS SC SC IS IS SC SC
PRZ004-180800-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 68 74 76 74 84 91 67 72 76 75 85 92 68 72 76
TEMP 77 75 74 75 80 83 84 81 76 74 72 74 80 84 85 82 76 74 73 74 79
DEWPT 73 73 72 70 74 74 73 73 73 72 72 72 73 73 73 73 73 73 71 72 74
RH 87 94 93 84 82 74 70 77 90 93100 93 79 70 67 74 90 97 93 93 85
WIND DIR E E E E E E E E NE NE NE E E E E E E E E E E
WIND SPD 5 5 5 5 8 10 11 10 4 3 3 3 6 9 11 10 5 4 4 4 8
CLOUDS SC B1 B1 SC FW SC SC SC FW SC SC SC SC B2 B2 B2 FW FW SC SC SC
POP 12HR 40 20 30 60 30
QPF 12HR 0.05-0.11 0.01-0.12 0.01-0.31 0.04-0.81 0.01-0.12
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS IS IS IS IS IS IS SC IS SC NM NM IS IS SC SC IS
TSTMS IS IS
OBVIS H H H H H H H
HEAT INDEX 84 90 91 86 83 90 91 87 82
MAX HEAT 94 85 95 103 102 85 94 103 102 86 94
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 84 73 83 73 85 74 85 73 85
TEMP 84 76 73 79 83 76 73 80 85 78 74 80 85 77 74 80 85 77
DEWPT 73 72 72 73 71 71 72 74 73 73 73 74 74 73 72 73 73 70
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC B1 SC FW SC B1 SC SC SC FW FW FW SC B1 SC SC SC B1
POP 12HR 50 10 40 30 30 5 40 20 40
RAIN SHWRS SC SC IS IS SC SC IS SC SC IS IS SC SC IS IS SC SC
TSTMS IS
PRZ005-180800-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 73 76 82 83 87 92 71 75 82 82 87 91 71 74 82
TEMP 80 78 76 77 83 86 87 84 79 77 75 76 82 86 87 84 78 76 75 76 82
DEWPT 74 74 73 72 77 77 78 77 76 75 74 73 76 76 78 77 76 75 74 73 76
RH 82 88 90 85 82 75 75 80 91 94 97 90 82 72 75 80 94 97 97 90 82
WIND DIR E E E E E E NE NE E E E E E E E E E E E SE E
WIND SPD 12 10 8 6 8 13 17 16 12 9 8 5 6 11 14 11 6 6 6 5 6
WIND GUST 25 24 31 29 23 28 23
CLOUDS FW B1 SC SC FW SC B1 B1 FW SC SC SC SC B1 B2 B2 B1 B1 SC SC FW
POP 12HR 40 30 30 50 30
QPF 12HR 0.02-0.11 0.06-0.68 0.00-0.31 0.09-1.22 0.02-0.10
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS IS SC SC IS SC IS SC IS SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS
OBVIS H H H H H H H
HEAT INDEX 83 92 99101 94 82 89 97100 93 80 89
MAX HEAT 96 89 99 112 112 91 95 111 110 91 96
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 87 75 87 75 89 76 88 75 89
TEMP 87 79 75 82 87 79 75 83 89 80 76 83 88 80 76 83 89 80
DEWPT 78 76 74 76 76 75 74 76 77 76 75 76 78 75 75 76 77 71
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN GN BZ GN BZ
AVG CLOUDS SC SC CL FW SC SC FW FW FW SC CL FW SC SC FW FW SC SC
POP 12HR 50 5 30 5 20 5 30 5 30
RAIN SHWRS SC SC IS SC SC IS IS IS IS SC SC IS SC SC
TSTMS IS
PRZ006-180800-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 72 76 74 83 92 61 71 75 75 82 92 61 71 76
TEMP 76 74 72 74 79 82 83 80 75 73 71 72 78 81 82 80 75 73 71 72 77
DEWPT 71 71 70 68 73 73 74 74 72 72 71 70 72 72 73 73 72 71 70 70 73
RH 85 90 93 82 82 74 74 82 90 97100 93 82 74 74 79 90 93 97 93 87
WIND DIR E E E E E E E NE NE NE E E E E E E E E E E E
WIND SPD 5 4 5 4 6 9 10 9 6 4 3 3 4 8 9 6 4 4 3 4 5
WIND GUST 23 25 21 24 25 20
CLOUDS CL SC SC SC FW FW B1 B1 CL FW FW FW FW B1 B2 B2 FW FW SC SC FW
POP 12HR 20 40 5 60 5
QPF 12HR 0.00-0.10 0.01-0.68 0.01-0.08 0.03-1.21 0.00-0.07
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS SC SC IS IS IS IS SC NM NM IS IS IS IS
TSTMS IS IS IS IS
OBVIS H H H H H H
HEAT INDEX 81 87 88 83 80 86 88 83
MAX HEAT 96 84 96 106 105 84 92 105 104 85 93
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 82 71 82 71 84 72 84 72 83
TEMP 82 75 71 78 82 75 71 79 84 76 72 79 84 76 72 79 83 75
DEWPT 74 72 71 72 70 70 71 73 73 72 71 73 73 71 71 72 73 68
PWIND DIR E E E E E E E E E
WIND CHAR LT LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC CL CL FW SC FW FW SC SC CL FW FW SC FW FW SC SC
POP 12HR 50 0 30 5 30 0 40 5 40
RAIN SHWRS SC SC SC SC IS IS IS IS SC SC SC SC
PRZ007-180800-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 64 76 82 74 87 92 63 74 82 75 87 92 63 75 82
TEMP 79 78 76 77 83 86 87 84 78 76 75 76 82 86 87 84 79 77 75 76 81
DEWPT 73 72 72 70 72 73 73 74 73 72 71 70 71 72 73 73 73 71 71 70 72
RH 82 82 87 79 70 65 63 72 85 87 87 82 69 63 63 70 82 82 87 82 74
WIND DIR E E E E E E SE E NE NE NE NE E SE SE SE E E E E E
WIND SPD 8 5 5 5 8 11 11 9 6 5 4 4 5 11 11 9 5 5 5 5 8
WIND GUST 20 25 27 24 20 25 26 21
CLOUDS FW CL CL FW CL CL SC SC FW FW CL CL CL SC SC SC FW FW CL CL FW
POP 12HR 0 30 10 30 0
QPF 12HR 0 0.01-0.69 0.02 0.02-1.06 0
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC IS SC IS IS IS IS IS
TSTMS IS IS IS IS
OBVIS H H H H H H H H
HEAT INDEX 83 87 93 95 91 81 86 92 94 90 82 86
MAX HEAT 101 90 96 105 104 90 94 105 104 90 95
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 86 75 86 75 88 75 88 75 87
TEMP 86 79 75 82 86 78 75 83 88 80 76 83 88 79 76 83 87 79
DEWPT 74 72 71 71 71 71 70 72 72 72 71 72 73 72 71 71 73 67
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS FW SC CL CL FW SC FW FW FW FW CL FW FW SC CL FW FW SC
POP 12HR 20 0 30 5 5 0 20 0 40
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS SC SC
PRZ008-180800-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 71 75 82 83 86 92 70 74 82 83 86 92 69 73 82
TEMP 79 77 75 76 81 85 86 83 78 76 74 75 81 85 86 83 77 75 74 75 81
DEWPT 74 74 73 72 75 75 76 75 74 74 73 72 74 74 76 75 74 74 73 72 74
RH 85 90 94 87 82 72 72 77 88 94 97 90 79 70 72 77 90 97 97 90 79
WIND DIR E E E E E E NE NE E E E E E E NE E E E E E E
WIND SPD 16 13 10 9 10 12 13 13 14 12 10 8 9 9 8 6 5 5 6 6 5
WIND GUST 27 25 21 23 27 26 25 23 23 18 19 19 18
CLOUDS FW SC SC SC FW SC B1 B1 CL SC FW SC FW SC B2 B2 B1 B1 SC SC CL
POP 12HR 30 30 10 70 40
QPF 12HR 0.02-0.09 0.02-0.68 0.01 0.66-1.26 0.02-0.13
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS SC SC IS IS IS IS IS NM NM SC SC IS IS
TSTMS IS IS IS IS IS IS
OBVIS H H H H H H H H
HEAT INDEX 81 88 94 97 90 86 94 97 90 85
MAX HEAT 99 90 99 109 108 90 96 109 108 90 96
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 86 73 86 73 88 74 88 74 87
TEMP 86 77 74 81 86 78 74 82 88 79 75 82 88 79 75 82 87 78
DEWPT 77 75 73 74 75 74 72 74 76 75 73 74 76 75 73 74 76 71
PWIND DIR E E E E E E E E E
WIND CHAR LT LT GN GN GN GN BZ GN BZ
AVG CLOUDS SC B1 CL CL SC SC FW FW FW SC FW FW SC SC CL CL FW SC
POP 12HR 60 0 40 0 40 0 40 0 30
RAIN SHWRS NM NM SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS
PRZ009-180800-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 72 76 74 83 92 64 70 74 75 83 92 64 71 75
TEMP 76 74 72 73 79 82 83 80 75 73 71 72 78 82 83 80 75 73 71 72 78
DEWPT 72 71 70 69 72 73 75 73 73 72 71 69 72 72 74 72 72 72 71 69 72
RH 87 90 93 87 79 74 77 79 94 97100 90 82 72 74 77 90 97100 90 82
WIND DIR E E E E E E E E NE E E E E E E E E E E E E
WIND SPD 5 5 4 4 4 5 4 5 6 5 4 4 4 4 3 3 3 4 4 4 4
WIND GUST 16 24 20 17 23 23
CLOUDS FW FW FW FW CL FW B2 B2 FW FW CL CL CL SC OV OV FW FW FW FW CL
POP 12HR 5 70 0 80 0
QPF 12HR 0.01 0.05-0.69 0.01 0.05-1.22 0
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS NM NM IS IS D D IS IS IS IS
TSTMS IS IS SC SC
OBVIS H H H H H H
HEAT INDEX 81 88 90 84 80 87 90 84 80
MAX HEAT 99 87 93 106 105 83 92 106 105 84 93
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 83 71 83 71 85 71 85 71 84
TEMP 83 75 71 78 83 75 71 79 85 76 72 80 85 76 72 79 84 76
DEWPT 74 72 70 71 72 71 70 72 73 72 71 72 73 72 71 72 73 66
PWIND DIR E E E E E E E E E
WIND CHAR LT LT LT LT GN LT LT LT LT
AVG CLOUDS SC B1 CL CL FW SC FW FW SC SC CL CL SC SC CL CL SC SC
POP 12HR 60 0 50 0 50 0 50 0 50
RAIN SHWRS NM NM SC SC NM NM SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ010-180800-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 70 75 82 76 88 92 68 74 82 75 88 92 69 74 82
TEMP 80 78 76 77 83 87 88 85 79 76 74 76 82 87 88 85 79 76 75 76 83
DEWPT 75 74 73 72 75 76 77 76 75 74 73 71 74 75 76 75 75 74 73 71 74
RH 85 88 90 85 77 70 70 75 88 94 97 85 77 68 68 72 88 94 94 85 74
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 9 9 9 8 6 5 5 5 11 9 9 6 6 4 5 4 5 6 6 6 6
WIND GUST 21 20 21 21 21 18 17 17 25 24 24 17 14 16 17 18 24 21
CLOUDS SC FW FW FW CL FW B2 B2 SC FW FW FW CL SC B2 B2 B1 B1 FW FW CL
POP 12HR 30 60 30 70 30
QPF 12HR 0.03 0.02-0.70 0.00-0.10 0.05-1.26 0.00-0.11
SNOW 12HR MM MM MM
RAIN SHWRS SC NM NM SC IS D D SC SC
TSTMS IS IS SC SC IS IS
OBVIS H H H H H H
HEAT INDEX 83 90 98101 94 81 88 96100 93 81 89
MAX HEAT 100 92 97 111 110 91 96 111 110 90 96
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 88 74 88 74 89 74 90 74 89
TEMP 88 79 75 83 88 79 75 83 89 79 75 84 90 80 75 83 89 79
DEWPT 77 75 73 73 76 74 72 74 77 76 73 74 77 75 73 74 77 71
PWIND DIR E E E E E E E E E
WIND CHAR LT LT LT GN GN GN GN GN GN
AVG CLOUDS SC SC FW FW FW SC FW FW FW SC FW FW SC SC FW FW SC SC
POP 12HR 60 0 50 0 50 0 50 0 50
RAIN SHWRS NM NM IS SC SC NM NM IS NM NM SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ011-180800-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 71 76 82 84 90 92 70 74 82 83 90 92 71 75 82
TEMP 81 78 76 77 85 89 90 86 79 77 75 76 84 89 90 87 80 78 76 77 84
DEWPT 76 74 73 73 74 76 76 76 76 74 72 71 73 75 76 75 75 74 72 71 74
RH 85 88 90 87 70 66 64 72 91 90 90 85 70 64 64 68 85 88 87 82 72
WIND DIR E E E E E SE SE E E E E NE E SE SE E E E E E E
WIND SPD 12 10 9 8 9 12 12 8 8 8 5 5 6 12 13 11 8 9 10 9 10
WIND GUST 26 24 20 19 20 27 26 26 27 23 19 23 20 21
CLOUDS FW CL CL FW CL FW B1 B1 B1 FW CL CL FW SC SC SC SC SC FW FW CL
POP 12HR 5 40 40 20 10
QPF 12HR 0.01 0.03-0.70 0.04 0.02-1.07 0.01
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS IS IS IS IS
TSTMS IS IS
OBVIS H H H H H H H H
HEAT INDEX 86 91101103 97 83 90 99102 96 85 91
MAX HEAT 101 91 94 109 108 91 94 106 105 90 95
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 90 75 90 75 91 76 92 75 91
TEMP 90 80 76 84 90 80 76 85 91 81 76 85 92 81 76 84 91 80
DEWPT 76 75 72 73 74 75 71 73 76 76 72 73 76 75 72 73 76 71
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN BZ GN BZ GN BZ
AVG CLOUDS FW FW CL CL FW SC FW FW FW FW CL FW FW FW CL CL FW SC
POP 12HR 10 0 20 0 5 0 10 0 40
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC
PRZ012-180800-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 80 84 87 91 76 79 82 83 88 92 80
TEMP 83 81 80 81 84 86 87 85 82 80 79 80 85 87 88 86 82 81 80 80 84
DEWPT 76 75 73 73 76 77 77 76 75 76 75 75 75 76 76 76 76 76 76 75 76
RH 80 82 79 77 77 75 72 75 79 88 88 85 72 70 68 72 82 85 88 85 77
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 18 19 18 17 16 14 13 13 14 16 14 14 13 12 11 13 14 16 14 14 16
CLOUDS B1 SC SC SC FW B1 SC SC SC B1 B2 B2 B1 SC B1 B1 B1 B1 B2 B2 B2
POP 12HR 30 40 50 40 50
QPF 12HR 0.07 0.05 0.29 0.06-0.67 0.12
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS IS SC IS IS IS SC SC SC SC IS SC SC SC SC SC SC SC
TSTMS IS IS
OBVIS H H H H H H
HEAT INDEX 90 88 83 85 93 97 98 95 88 85 82 85 93 98 99 96 90 87 84 86 93
MAX HEAT 100 93 97 105 104 93 98 105 104 93 97
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 87 80 87 80 89 80 88 80 87
TEMP 87 82 80 84 87 82 80 85 88 83 80 85 88 83 80 84 87 82
DEWPT 76 76 75 74 76 75 76 76 77 76 76 76 77 76 76 75 77 74
PWIND DIR E E E E E E E E E
WIND CHAR GN BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 SC SC SC B1 SC B1 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 50 40 40 40 40 20 20 30 30
RAIN SHWRS SC SC IS SC SC SC SC SC SC IS IS IS IS IS IS SC SC SC
PRZ013-180800-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 76 79 82 84 87 90 75 78 82 83 89 92 75 78 82
TEMP 82 80 79 80 83 86 87 85 81 79 78 79 85 88 89 86 82 80 79 79 84
DEWPT 75 75 73 73 75 75 74 75 74 75 74 74 74 74 74 74 74 74 74 74 75
RH 79 85 82 79 77 70 65 72 79 88 88 85 70 63 61 68 77 82 85 85 74
WIND DIR E E E E E E E E NE E E E E E E E E E E E E
WIND SPD 18 18 18 17 14 14 13 14 16 16 14 14 13 11 11 12 14 16 14 14 16
CLOUDS SC SC SC CL SC B2 SC SC FW SC B1 B1 B1 SC B1 B1 B1 B1 B2 B2 B2
POP 12HR 20 60 50 40 50
QPF 12HR 0.03-0.11 0.03-0.11 0.07-0.28 0.03-0.80 0.11
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS NM IS IS IS IS SC SC SC IS SC SC SC SC SC SC SC
TSTMS IS IS IS IS
OBVIS H H H H H H H
HEAT INDEX 88 85 80 82 91 95 95 92 86 83 82 92 97 98 95 88 84 80 83 92
MAX HEAT 98 91 94 101 99 89 96 103 102 90 95
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 88 79 86 79 89 79 89 79 87
TEMP 88 82 79 83 86 81 79 85 89 82 79 85 89 82 79 84 87 82
DEWPT 74 74 74 73 73 74 75 75 74 75 75 75 75 75 75 75 75 73
PWIND DIR E E E E E E E E E
WIND CHAR GN BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 B1 SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 SC
POP 12HR 50 40 40 40 40 30 30 40 40
RAIN SHWRS SC SC SC SC SC SC SC SC SC IS IS IS SC SC SC SC SC SC
VIZ001-180800-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-
INCLUDING THE CITIES OF ANNA'S RETREAT, CHARLOTTE AMALIE,
CHARLOTTE AMALIE EAST, CHARLOTTE AMALIE WEST, AND CRUZ BAY
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 71 79 82 84 85 91 71 78 82 83 85 90 71 79 82
TEMP 81 80 79 80 82 84 85 83 80 79 78 79 82 84 85 83 81 80 79 80 82
DEWPT 74 73 73 72 75 75 75 75 75 75 75 74 75 75 75 75 75 76 75 75 76
RH 79 79 82 77 79 74 72 77 85 88 91 85 79 74 72 77 82 88 88 85 82
WIND DIR E E E E E E E E E E E E E E E E E E E E E
WIND SPD 18 20 18 16 16 16 13 13 14 17 16 14 13 12 11 13 14 16 16 16 17
CLOUDS SC SC SC SC FW SC FW FW SC B1 B1 B1 SC SC B1 B1 SC SC B2 B2 B1
POP 12HR 30 30 40 30 50
QPF 12HR 0.05 0.05 0.09 0.03-0.09 0.10
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS SC IS IS SC SC SC SC IS IS SC SC SC SC SC SC SC
TSTMS IS IS
OBVIS H H H H H H H
HEAT INDEX 86 83 81 82 89 93 93 91 85 83 80 81 88 92 93 91 86 84 82 83 89
MAX HEAT 99 92 98 105 104 91 97 103 103 92 97
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 84 79 84 79 86 79 85 79 85
TEMP 84 81 79 82 84 80 79 83 86 81 79 82 84 81 79 83 85 81
DEWPT 75 75 75 73 74 75 76 75 75 76 75 76 75 75 75 75 76 73
PWIND DIR E E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC FW SC SC SC FW
POP 12HR 40 30 30 20 20 20 20 20 20
RAIN SHWRS SC IS IS SC SC IS IS IS IS IS IS IS IS IS IS IS IS IS
VIZ002-180800-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
502 PM AST THU JUL 17 2025
DATE 07/17/25 FRI 07/18/25 SAT 07/19/25 SUN
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 76 79 82 84 86 92 75 78 82 83 88 92 76 79 82
TEMP 82 81 79 80 83 85 86 84 81 79 78 79 84 87 88 85 82 80 79 80 84
DEWPT 72 72 71 70 75 75 75 75 74 75 75 74 75 75 75 75 74 75 75 75 75
RH 72 74 77 72 77 72 70 74 79 88 91 85 74 68 66 72 77 85 88 85 74
WIND DIR E E E E E E E E E E E E E E E E E E E E E
WIND SPD 14 17 16 14 13 14 14 13 14 13 13 12 12 12 12 13 12 13 12 13 14
CLOUDS CL SC FW FW FW SC SC SC FW SC SC SC SC SC B1 B1 B1 B1 SC SC B1
POP 12HR 20 10 30 50 40
QPF 12HR 0.02 0.01-0.07 0.03-0.09 0.07-0.79 0.05-0.11
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS IS IS SC SC SC IS SC SC SC SC SC SC SC
TSTMS IS IS
OBVIS H H H H H H H H
HEAT INDEX 87 84 80 83 91 95 95 93 86 83 82 91 96 97 94 88 85 81 84 93
MAX HEAT 99 89 97 106 105 90 97 106 104 90 98
DATE 07/20 MON 07/21/25 TUE 07/22/25 WED 07/23/25 THU 07/24/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 88 79 87 79 89 79 89 79 86
TEMP 88 82 79 84 87 81 79 85 89 82 79 85 89 83 80 84 86 82
DEWPT 75 74 74 73 74 75 75 75 75 75 76 76 76 75 75 75 76 73
PWIND DIR E E E E E E E E E
WIND CHAR GN GN BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 40 20 20 20 10 20 20 20 20
RAIN SHWRS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
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