977
FOCA52 TJSJ 120914
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
514 AM AST TUE AUG 12 2025
PRZ001-122015-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 82 89 92 73 77 83 82 89 92 73 77 83 83 90 92
TEMP 85 88 89 86 81 80 78 78 85 88 89 85 81 79 78 78 85 89 90 86 81
DEWPT 77 78 78 78 77 77 76 76 77 77 77 77 76 76 76 75 76 76 75 74 75
RH 77 72 70 77 88 91 94 94 77 70 68 77 85 91 94 91 75 66 62 68 82
WIND DIR E E E E E E E E E E NE NE E E E E E E E E E
WIND SPD 6 11 11 11 8 5 4 4 5 11 12 11 8 6 5 5 9 12 14 12 6
WIND GUST 25
CLOUDS B1 B1 SC B2 SC FW SC B1 B1 SC SC B1 SC SC B1 B1 B1 B1 SC SC CL
POP 12HR 50 50 50 40 40
QPF 12HR 0.13-0.71 0.07-0.14 0.15-0.28 0.11-0.23 0.15
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS SC IS IS SC SC SC IS SC SC SC SC SC SC SC SC SC
TSTMS IS
OBVIS H H H H H H H H
HEAT INDEX 95103104 98 89 84 80 81 95101102 96 87 83 81 94100100 94 86
MAX HEAT 100 113 111 94 100 110 108 94 100 108 106
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 89 MM 88 76 89 77 89
TEMP 77 84 89 80 77 84 88 80 77 84 89 81 78 84 89 81
DEWPT 74 75 76 75 75 76 77 76 75 76 76 76 76 77 77 76
PWIND DIR E NE NE N W SW S S
WIND CHAR LT GN LT LT LT LT LT GN
AVG CLOUDS FW SC SC B1 B1 B1 B2 B1 B1 B1 SC B2 B1 SC SC B1
POP 12HR 20 50 60 60 40 60 40 60
RAIN SHWRS IS IS SC SC SC NM NM SC SC SC NM NM SC SC NM NM
TSTMS IS IS IS IS IS IS
PRZ002-122015-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 92 66 76 83 75 88 92 67 76 83 75 88 92
TEMP 83 87 88 84 80 79 77 78 83 87 88 84 80 78 77 77 83 87 88 84 80
DEWPT 76 77 77 77 76 76 76 75 76 76 76 76 75 75 75 75 75 75 74 74 74
RH 80 72 70 80 88 91 97 91 80 70 68 77 85 91 94 94 77 68 63 72 82
WIND DIR E E E E E E E E E E E NE NE NE NE E E E E E NE
WIND SPD 8 10 10 10 8 6 6 6 8 11 10 9 9 8 8 6 11 12 13 12 6
WIND GUST 19 18 17
CLOUDS B2 B2 SC B1 SC FW B1 B2 B2 SC SC B1 SC SC B1 B1 B1 B1 SC SC FW
POP 12HR 60 50 50 40 40
QPF 12HR 0.24-0.59 0.15 0.18 0.22 0.16
SNOW 12HR MM MM MM
RAIN SHWRS NM NM IS SC IS SC SC SC SC IS SC SC SC SC SC SC SC SC SC
OBVIS H H H H H H
HEAT INDEX 92 99 99 94 86 82 92 97 98 93 85 82 91 96 96 91 84
MAX HEAT 102 111 109 95 100 108 107 94 99 105 104
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 87 MM 87 76 87 77 87
TEMP 77 83 87 79 76 83 87 80 76 83 87 80 77 83 87 80
DEWPT 74 74 75 74 74 75 75 75 74 75 76 75 75 76 76 76
PWIND DIR NE NE N N W SW S S
WIND CHAR LT GN LT GN LT LT LT GN
AVG CLOUDS FW B1 B1 B1 B1 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2
POP 12HR 20 50 60 60 30 60 60 60
RAIN SHWRS IS SC SC SC SC NM NM SC SC SC IS NM NM NM NM NM
TSTMS IS IS IS IS IS IS
PRZ003-122015-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 89 94 69 76 83 78 89 94 69 76 83 78 89 94
TEMP 84 88 89 85 80 79 77 78 84 88 89 85 80 78 77 77 84 88 89 85 80
DEWPT 75 75 75 76 75 75 75 74 75 74 73 74 73 74 74 73 73 73 72 71 71
RH 74 66 64 75 85 88 94 88 74 63 59 70 79 88 90 87 70 61 57 63 74
WIND DIR E E E E NE NE NE NE NE E E E NE NE NE NE E E E E NE
WIND SPD 8 11 11 10 8 6 5 6 8 11 12 10 6 6 6 6 9 12 14 12 8
WIND GUST 24 25 23 21 27 20 26 28 25
CLOUDS B2 B1 SC SC SC FW SC SC B1 SC SC B1 FW FW SC SC SC SC SC SC FW
POP 12HR 60 50 50 30 30
QPF 12HR 0.09-0.48 0.03-0.16 0.12-0.41 0.06-0.21 0.08-0.16
SNOW 12HR MM MM MM
RAIN SHWRS NM SC IS SC IS IS SC SC SC IS SC IS IS SC SC SC SC SC SC
OBVIS H H H H H H H H H H H H H
HEAT INDEX 91 98 98 94 85 82 91 97 97 92 84 81 90 95 95 90 83
MAX HEAT 99 109 108 93 99 107 106 93 98 105 103
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 MM 88 76 87 76 86
TEMP 77 83 88 79 76 83 88 80 77 83 87 80 77 82 86 80
DEWPT 72 72 72 73 73 73 74 74 73 73 74 74 74 74 75 74
PWIND DIR NE NE N NE W SW S S
WIND CHAR LT GN LT LT LT LT LT GN
AVG CLOUDS FW SC SC SC FW FW SC SC FW FW FW SC B2 B2 B1 B2
POP 12HR 30 5 5 30 0 60 60 60
RAIN SHWRS SC IS IS IS IS IS IS SC IS NM NM NM SC SC
TSTMS IS IS IS IS IS
PRZ004-122015-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 77 87 93 68 73 77 77 87 93 68 73 78 76 87 94
TEMP 82 86 87 83 78 76 74 75 82 86 87 83 78 76 74 75 82 86 87 83 78
DEWPT 75 75 76 75 74 74 73 73 75 74 74 74 73 74 73 73 74 73 72 72 72
RH 79 70 70 77 88 94 97 94 79 68 65 74 85 94 97 94 77 65 61 70 82
WIND DIR E E E E E NE NE E E E E E NE NE NE E E E E E NE
WIND SPD 5 9 9 9 4 3 2 4 4 9 10 9 4 3 2 2 6 10 12 10 4
CLOUDS B2 B1 SC B1 SC FW SC SC B1 SC SC B1 FW FW SC SC B1 B1 SC SC CL
POP 12HR 50 50 50 40 40
QPF 12HR 0.11-0.83 0.03-0.15 0.14-0.57 0.07-0.22 0.11-0.16
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS SC IS IS SC SC SC IS SC IS IS SC SC SC SC SC SC
TSTMS IS IS
OBVIS H H H H H H H H H H H H
HEAT INDEX 88 95 97 90 80 88 94 95 89 80 87 93 94 87
MAX HEAT 100 109 108 88 100 107 105 89 98 105 103
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 86 MM 86 73 85 74 85
TEMP 74 81 86 77 73 81 86 77 74 81 85 78 75 81 85 77
DEWPT 72 73 73 72 72 74 74 73 72 74 74 73 73 75 75 74
PWIND DIR NE NE N N W SW S S
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW SC SC SC SC SC B1 SC SC SC SC B1 B2 B1 B1 B1
POP 12HR 10 20 40 40 20 60 60 60
RAIN SHWRS IS IS SC SC IS IS SC SC IS IS IS SC NM SC SC SC
TSTMS IS IS IS IS IS IS
PRZ005-122015-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 84 89 93 73 76 83 84 89 94 73 76 83 84 90 94
TEMP 84 88 89 85 80 78 77 77 84 88 89 85 80 78 77 77 85 89 90 85 80
DEWPT 78 79 80 78 77 77 76 75 78 79 78 77 76 76 76 75 77 77 76 75 74
RH 82 75 75 80 91 97 97 94 82 75 70 77 88 94 97 94 77 68 64 72 82
WIND DIR E E NE E E E SE SE E E NE NE E E E E E E NE NE E
WIND SPD 6 12 12 12 10 8 5 5 5 10 14 13 10 8 6 8 9 14 17 16 11
WIND GUST 23 26 24 20 28 27 23
CLOUDS FW SC B1 B1 SC FW FW B1 SC SC SC B1 FW FW SC SC SC SC SC SC CL
POP 12HR 40 30 30 20 20
QPF 12HR 0.11-0.96 0.03-0.13 0.10-0.82 0.02-0.19 0.11-0.18
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC IS IS SC SC IS SC SC IS IS IS IS IS IS SC SC
TSTMS IS IS IS
OBVIS H H H H H H H H H H H H H H H
HEAT INDEX 94104105 97 87 80 95104104 96 86 80 95102102 94 84
MAX HEAT 101 118 114 94 103 117 114 94 102 115 112
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 89 MM 88 75 89 76 89
TEMP 76 83 89 80 76 83 88 80 76 84 89 80 77 84 89 80
DEWPT 74 76 77 75 75 77 78 76 75 77 78 76 75 77 78 76
PWIND DIR E NE NE N NW W S S
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS FW SC FW SC B1 B1 B1 B1 B1 SC SC B1 FW FW SC B1
POP 12HR 20 40 60 60 40 60 0 50
RAIN SHWRS IS IS SC SC SC SC SC SC SC SC NM NM SC SC
TSTMS IS IS IS IS
PRZ006-122015-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 93 63 72 76 75 84 94 62 72 76 75 85 94
TEMP 79 83 84 80 76 74 73 73 80 84 84 81 76 74 73 73 80 84 85 81 76
DEWPT 74 75 75 74 73 73 72 72 73 74 74 73 72 73 72 71 72 72 71 70 70
RH 85 77 74 82 90 97 97 97 79 72 72 77 87 97 97 93 77 67 63 69 82
WIND DIR E E E E E NE E E E E NE E NE NE NE NE E E E E NE
WIND SPD 4 8 8 6 4 3 2 3 4 8 9 8 4 3 3 3 5 10 11 11 5
WIND GUST 24 25 21 26 26 27 25
CLOUDS SC SC B1 B2 SC CL FW FW SC SC B1 B2 FW FW SC SC SC SC B1 B1 CL
POP 12HR 60 30 50 10 20
QPF 12HR 0.09-1.07 0.02-0.09 0.16-0.96 0.00-0.13 0.08-0.31
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC NM IS IS IS SC SC SC SC IS IS IS IS SC SC
TSTMS IS IS IS IS
OBVIS H H H H H H H H H H H H H H
HEAT INDEX 83 90 92 85 84 90 91 85 84 90 90 84
MAX HEAT 97 109 107 87 98 107 105 85 97 105 103
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 71 84 MM 83 72 82 72 82
TEMP 72 79 84 75 72 78 83 75 72 78 82 76 73 78 82 76
DEWPT 70 71 72 71 71 73 73 72 71 73 73 72 72 73 74 73
PWIND DIR NE NE NE N NW SW S S
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW SC FW FW SC SC FW FW FW B1 SC FW FW SC
POP 12HR 5 20 10 20 5 50 5 20
RAIN SHWRS IS SC SC IS IS IS IS IS IS NM SC IS IS IS IS
TSTMS IS IS IS
PRZ007-122015-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 89 94 65 76 83 75 89 94 65 75 83 75 89 94
TEMP 84 88 89 85 80 78 77 77 84 88 89 84 80 78 76 77 84 88 89 84 79
DEWPT 72 73 74 75 74 73 72 71 72 73 73 73 73 72 71 71 71 71 72 70 70
RH 67 61 61 72 82 85 85 82 67 61 59 70 79 82 85 82 65 57 57 63 74
WIND DIR E E SE E E NE NE NE E SE E E NE NE NE NE E E E E NE
WIND SPD 4 11 10 8 6 4 3 3 4 10 11 8 5 4 4 4 4 12 13 11 8
WIND GUST 25 25 21 23 26 23 27 31 29
CLOUDS FW SC B1 B1 SC CL FW CL SC SC B1 B1 CL CL FW FW FW FW B1 B1 CL
POP 12HR 50 20 50 0 40
QPF 12HR 0.07-1.06 0.03 0.14-0.96 0.00-0.07 0.08-0.46
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC IS IS SC SC SC IS IS SC SC
TSTMS IS IS IS IS IS IS
OBVIS H H H H H H H H H H H H H
HEAT INDEX 89 96 98 92 85 81 89 95 96 90 83 80 88 94 95 88 82
MAX HEAT 96 107 106 93 97 107 105 92 95 105 103
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 88 MM 88 75 86 76 85
TEMP 76 83 88 79 75 83 88 79 76 82 86 80 77 82 85 79
DEWPT 68 69 71 72 71 72 73 72 71 71 72 72 73 73 73 73
PWIND DIR NE E NE NW NW SW S S
WIND CHAR LT GN LT LT LT LT LT GN
AVG CLOUDS FW FW FW SC CL CL SC SC CL FW FW SC B1 SC SC SC
POP 12HR 0 30 0 50 0 40 40 30
RAIN SHWRS SC SC SC SC IS IS SC SC IS IS
TSTMS IS IS IS IS IS IS
PRZ008-122015-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 84 88 94 71 75 83 84 88 94 70 75 83 84 88 94
TEMP 82 87 88 84 79 77 76 76 83 87 88 84 79 77 76 76 83 87 88 84 79
DEWPT 75 77 77 75 76 76 74 74 76 77 77 75 75 75 74 74 75 75 75 73 73
RH 79 72 70 74 91 97 94 94 80 72 70 74 88 94 94 94 77 68 66 70 82
WIND DIR E E NE E E E E E E NE NE NE E E E E E E NE NE E
WIND SPD 9 12 11 11 11 10 8 8 6 10 13 12 11 10 9 10 11 14 16 16 13
WIND GUST 21 21 24 21 27 27 24
CLOUDS FW FW B1 B1 SC FW CL SC FW SC SC B1 CL CL FW FW FW FW B1 B1 CL
POP 12HR 50 20 50 5 40
QPF 12HR 0.10-0.96 0.04 0.10-0.94 0.02 0.10-0.29
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC IS IS IS IS SC IS IS IS IS SC SC
TSTMS IS IS IS IS IS
OBVIS H H H H H H H H H H H H H H H
HEAT INDEX 89 98100 91 82 91 99100 92 82 90 98 99 91 81
MAX HEAT 99 113 110 94 100 112 110 93 99 110 108
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 87 MM 87 75 87 75 88
TEMP 75 82 87 79 75 82 87 79 76 82 87 79 76 83 88 79
DEWPT 73 74 75 74 73 75 76 75 74 75 76 75 74 75 76 75
PWIND DIR E NE NE NE N W S S
WIND CHAR GN GN GN GN LT LT LT GN
AVG CLOUDS FW FW FW SC SC SC B1 SC SC SC SC B1 CL CL FW SC
POP 12HR 0 10 60 60 20 60 0 30
RAIN SHWRS IS SC SC IS IS SC SC IS IS NM NM SC SC
TSTMS IS IS
PRZ009-122015-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 94 66 72 76 75 85 94 65 72 75 75 85 94
TEMP 80 84 85 81 76 74 73 73 80 84 85 81 76 74 73 73 80 84 85 81 76
DEWPT 73 74 75 73 73 73 72 70 73 74 74 73 73 73 72 70 72 72 73 71 71
RH 79 72 72 77 90 97 97 90 79 72 70 77 90 97 97 90 77 67 67 72 85
WIND DIR E E E E E E E E E E NE NE NE NE E E E E E E NE
WIND SPD 4 5 4 4 4 4 3 3 3 5 5 6 4 4 4 4 5 8 8 6 5
WIND GUST 20 21 20 23 21 17
CLOUDS FW SC B2 B2 SC CL FW FW FW SC B1 B2 CL CL FW FW FW FW B1 B1 CL
POP 12HR 70 20 60 0 50
QPF 12HR 0.27-1.07 0.02 0.33-0.95 0 0.12-0.46
SNOW 12HR MM MM MM
RAIN SHWRS IS NM NM IS IS IS SC NM SC SC
TSTMS IS IS IS IS IS IS
OBVIS H H H H H H H H H H H H H H
HEAT INDEX 83 91 93 85 84 91 93 85 84 91 92 84
MAX HEAT 96 110 107 87 98 110 107 85 97 108 105
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 71 84 MM 84 72 83 73 83
TEMP 72 79 84 76 72 79 84 76 73 79 83 76 73 79 83 76
DEWPT 70 71 72 71 71 73 73 72 72 73 74 72 72 73 74 72
PWIND DIR E E NE NE N SW S S
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW SC B1 FW FW SC SC FW FW SC B1 FW FW FW FW
POP 12HR 0 30 5 30 0 60 5 10
RAIN SHWRS NM NM IS IS SC IS IS NM NM IS IS IS IS
TSTMS IS IS IS IS
PRZ010-122015-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 94 70 75 83 77 90 94 70 75 83 78 90 94
TEMP 84 89 90 85 80 78 76 77 84 89 90 85 80 78 76 77 84 89 90 85 80
DEWPT 75 77 78 76 76 76 75 73 76 77 78 76 76 75 74 72 75 76 76 75 74
RH 74 68 68 75 88 94 97 87 77 68 68 75 88 91 94 85 74 66 64 72 82
WIND DIR E E E NE E NE E E E E E E NE NE E E E E E NE E
WIND SPD 5 4 4 5 8 6 5 5 5 4 4 6 8 8 8 9 9 6 5 6 10
WIND GUST 16 17 16 16 18 19 17 17 20 20 23 24 23 19 20 21 26
CLOUDS FW FW B2 B2 SC FW FW FW SC SC B1 B2 FW FW CL CL CL CL B1 B1 FW
POP 12HR 60 20 60 0 50
QPF 12HR 0.08-1.06 0.02-0.08 0.10-0.95 0.01 0.02-0.46
SNOW 12HR MM MM MM
RAIN SHWRS NM NM IS IS IS SC NM SC SC
TSTMS IS IS IS IS IS
OBVIS H H H H H H H H H H H H H H H
HEAT INDEX 92102104 95 85 93101104 95 84 92100102 94 82
MAX HEAT 98 114 111 93 100 114 111 93 99 111 108
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 89 MM 89 76 89 76 89
TEMP 76 84 89 80 76 84 89 80 77 84 89 80 77 84 89 80
DEWPT 72 74 76 75 73 75 77 75 74 75 77 76 75 76 77 76
PWIND DIR E E NE N N W S S
WIND CHAR GN LT GN GN LT LT LT GN
AVG CLOUDS FW CL SC SC FW FW SC SC FW FW SC B1 FW FW FW FW
POP 12HR 0 30 10 40 10 60 10 10
RAIN SHWRS NM NM SC SC SC IS IS IS NM IS IS IS IS
TSTMS IS IS IS IS
PRZ011-122015-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 84 92 94 72 76 83 84 92 94 71 75 83 84 92 94
TEMP 86 91 92 87 81 79 77 77 86 91 92 87 81 78 76 77 85 91 92 86 80
DEWPT 73 75 76 76 76 76 74 73 74 75 76 74 75 74 73 72 73 73 75 73 72
RH 65 60 60 70 85 91 90 87 68 60 60 65 82 88 90 85 67 56 58 65 77
WIND DIR E E E E E NE E NE E SE E E E NE NE NE E E SE E E
WIND SPD 3 10 12 10 8 6 4 4 5 10 10 8 6 4 3 4 5 11 11 8 11
WIND GUST 24 25 21 24 23 25 27 21
CLOUDS FW FW B1 B1 SC CL FW CL SC SC B1 B1 FW FW CL CL CL CL B1 B1 CL
POP 12HR 40 30 40 0 40
QPF 12HR 0.06-0.72 0.03 0.13-0.50 0 0.09-0.46
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS SC SC SC SC SC SC
TSTMS IS IS IS
OBVIS H H H H H H H H H H H H H
HEAT INDEX 92102105 98 87 81 93102104 95 85 92100102 94 83
MAX HEAT 96 111 109 93 96 111 109 93 95 108 106
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 92 MM 92 76 91 76 90
TEMP 75 85 92 80 75 85 92 81 77 85 91 81 77 85 90 81
DEWPT 69 69 73 73 72 73 75 75 73 73 74 74 74 74 75 74
PWIND DIR NE E NE NW N SW S S
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS CL CL FW SC FW FW SC B1 CL FW SC B1 B1 B1 SC SC
POP 12HR 0 50 0 60 10 50 50 40
RAIN SHWRS SC SC NM NM IS IS IS SC SC IS SC
TSTMS IS IS IS IS IS IS IS
PRZ012-122015-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 84 88 93 80 84 89 93 80 84 88 93
TEMP 85 88 88 86 83 82 81 81 86 88 89 86 83 82 81 81 85 88 88 86 83
DEWPT 78 79 78 79 78 78 77 77 77 78 77 78 77 78 77 76 76 76 75 77 76
RH 80 75 72 80 85 88 88 88 75 72 68 77 82 88 88 85 75 68 66 75 80
WIND DIR E E E E E E E E E E NE NE NE NE E E E E E E E
WIND SPD 16 12 11 12 13 13 13 12 13 13 10 12 17 13 17 17 17 19 17 14 12
CLOUDS B1 B2 SC B1 SC SC B1 B1 B2 SC SC SC SC SC B1 B1 SC SC SC SC FW
POP 12HR 50 60 60 40 30
QPF 12HR 0.40 0.15 0.13 0.21 0.14
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS SC IS IS SC SC NM IS IS IS SC SC SC SC SC SC SC SC IS
OBVIS H H H H H H
HEAT INDEX 97102102 99 93 91 87 89 97101102 98 92 90 86 87 95 99 98 96 90
MAX HEAT 101 108 107 95 100 107 107 94 98 104 103
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 80 88 MM 88 80 88 81 89
TEMP 81 85 88 82 80 85 88 82 80 85 88 83 81 85 89 83
DEWPT 76 76 76 76 76 77 77 77 77 78 78 77 77 78 78 78
PWIND DIR E NE NE N W SW S S
WIND CHAR BZ GN GN GN LT GN BZ BZ
AVG CLOUDS FW SC B1 SC B2 B2 B2 B1 SC FW FW B1 B2 B2 B2 B2
POP 12HR 10 50 60 60 10 60 60 60
RAIN SHWRS IS SC SC SC SC NM NM SC IS IS IS IS NM SC NM NM
TSTMS IS IS IS IS IS
PRZ013-122015-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 84 89 92 76 79 83 84 89 93 75 79 83 84 89 92
TEMP 85 88 89 86 82 81 80 80 85 88 89 86 82 80 79 79 85 88 89 85 82
DEWPT 77 77 76 77 76 76 76 76 77 76 75 77 75 76 76 75 75 75 74 75 74
RH 77 70 66 75 82 85 88 88 77 68 64 75 79 88 91 88 72 66 61 72 77
WIND DIR E E E E E E E E E E E NE NE NE NE E E E E E E
WIND SPD 14 12 12 12 12 13 13 12 12 13 10 12 17 14 17 16 16 18 17 14 12
CLOUDS B2 B2 SC B1 SC SC B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC SC
POP 12HR 60 50 50 40 40
QPF 12HR 0.41-0.48 0.15 0.14 0.23 0.16
SNOW 12HR MM MM MM
RAIN SHWRS NM SC IS SC IS IS SC SC SC IS IS IS SC SC SC SC SC SC SC SC IS
OBVIS H H H H H H
HEAT INDEX 95100100 96 90 87 83 85 95 99 99 96 89 86 81 83 93 97 97 94 87
MAX HEAT 100 105 104 93 99 105 104 93 96 101 100
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 88 MM 88 78 88 79 89
TEMP 79 84 88 81 78 84 88 82 79 84 88 82 80 85 89 82
DEWPT 75 75 74 74 75 76 75 75 76 76 76 75 76 77 76 76
PWIND DIR E NE N N W SW S S
WIND CHAR BZ GN GN GN LT GN GN BZ
AVG CLOUDS SC B1 B1 SC B2 B2 B2 SC FW FW SC SC B1 B1 B2 B2
POP 12HR 30 50 60 60 10 50 50 60
RAIN SHWRS SC SC SC SC SC NM NM SC IS IS SC SC SC NM NM
TSTMS IS IS IS IS IS
VIZ001-122015-
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
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 84 87 94 72 79 83 84 87 94 72 79 83 84 87 94
TEMP 84 86 87 85 82 81 80 80 84 86 87 85 82 81 80 80 84 86 87 84 81
DEWPT 78 77 76 77 77 77 77 76 77 76 76 77 76 77 76 75 75 75 74 75 75
RH 82 75 70 77 85 88 91 88 80 72 70 77 82 88 88 85 74 70 65 74 82
WIND DIR E E E E E E E E E E NE NE NE NE E E E E E E E
WIND SPD 14 13 12 12 13 14 13 12 14 12 11 14 16 16 14 17 17 18 18 14 13
CLOUDS B1 B2 SC SC SC SC B1 B1 B1 SC SC FW SC SC SC SC SC SC SC SC FW
POP 12HR 50 50 50 30 20
QPF 12HR 0.30-0.37 0.14 0.04-0.09 0.08-0.19 0.12
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS SC IS IS SC SC SC IS IS IS IS SC SC IS IS SC SC
OBVIS H H H H H H H H H H H H
HEAT INDEX 94 98 97 95 89 88 85 85 93 97 97 94 88 87 84 84 91 95 95 93 87
MAX HEAT 102 108 107 96 101 108 107 95 98 105 105
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 86 MM 87 79 87 80 87
TEMP 80 84 86 81 79 83 87 81 80 84 87 82 80 84 87 82
DEWPT 75 75 75 75 76 76 76 76 76 77 76 76 77 77 77 76
PWIND DIR E NE NE N W S S S
WIND CHAR BZ GN BZ GN LT GN BZ BZ
AVG CLOUDS FW SC SC SC B1 B1 B1 SC FW FW FW SC B1 B2 B2 B1
POP 12HR 5 50 50 50 5 50 50 50
RAIN SHWRS IS SC SC SC SC SC SC SC IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS IS
VIZ002-122015-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
514 AM AST TUE AUG 12 2025
DATE TUE 08/12/25 WED 08/13/25 THU 08/14/25
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 84 88 94 76 79 83 84 88 94 76 79 83 84 88 94
TEMP 85 87 88 86 82 81 80 80 85 88 88 85 82 81 80 80 85 87 88 85 82
DEWPT 78 77 77 78 77 77 76 76 76 77 77 77 76 77 76 74 74 75 75 76 75
RH 80 72 70 77 85 88 88 88 75 70 70 77 82 88 88 82 70 68 66 75 79
WIND DIR E E E E E E E E E E NE NE NE NE E E E E E E E
WIND SPD 14 13 12 12 12 13 12 11 12 12 12 14 13 14 12 13 14 17 17 14 14
CLOUDS B1 SC SC SC SC SC SC SC SC FW SC CL CL CL SC SC SC SC SC SC SC
POP 12HR 40 20 5 30 30
QPF 12HR 0.19-0.35 0.07 0.01 0.12 0.15
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS SC IS IS IS IS IS SC SC SC SC SC SC SC
OBVIS H H H H H H H H H H H H
HEAT INDEX 96100100 97 90 88 85 85 94 99100 96 89 87 82 83 92 97 98 94 88
MAX HEAT 102 109 107 93 101 109 108 93 98 107 106
HEAT Y Y
DATE FRI 08/15/25 SAT 08/16/25 SUN 08/17/25 MON 08/18/25
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 88 MM 88 79 88 79 88
TEMP 79 84 88 81 79 84 88 82 79 84 88 82 80 85 88 82
DEWPT 75 75 75 75 75 76 76 75 76 76 76 76 76 77 77 77
PWIND DIR E NE N NW SW S S SE
WIND CHAR GN GN LT LT LT GN GN BZ
AVG CLOUDS SC SC SC SC B1 B1 B1 SC SC SC SC B1 B1 B1 B2 B1
POP 12HR 30 40 60 60 10 40 60 60
RAIN SHWRS SC IS IS SC SC NM NM IS IS IS SC SC SC SC SC SC
TSTMS IS IS IS IS IS
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