Area Forecast Matrices
Issued by NWS San Juan, PR

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627
FOCA52 TJSJ 302102
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 PM AST Wed Jul 30 2025

PRZ001-310800-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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                74 78 82    81 88 91    73 77 82    81 88 91    73 77 82
Temp             81 80 78 79 84 87 88 85 81 79 78 78 84 87 88 85 81 79 78 78 83
Dewpt            75 75 74 74 75 76 76 75 75 75 75 75 77 77 78 77 77 77 76 76 77
RH               82 85 88 85 74 70 68 72 82 88 91 91 80 72 72 77 88 94 94 94 82
Wind dir          E  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          9  8  5  4  8 12 13 13  9  8  6  8 10 14 14 12  9  8  8  8 10
Wind gust                                                              18
Clouds           SC SC SC SC SC B1 B2 B2 SC SC B1 B1 B2 B2 B2 B2 B1 B1 B2 B2 SC
PoP 12hr                     10          60          50          50          60
QPF 12hr                   0.04   0.20-0.63   0.04-0.15   0.23-0.29   0.19-0.29
Snow 12hr                    MM          MM          MM
Rain shwrs             IS IS IS SC NM NM SC SC SC SC SC SC SC SC SC SC NM NM SC
Tstms                              IS IS                   IS IS
Heat index       87 82    81 92 97 98 94 86 82 80 80 93100101 95 86 83       91
Max heat         99    91    96   106   105    90    99   110   108    92    96


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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      77    88      77    85      77    87      77    87
Temp          86 80   78 84 88 81   78 82 85 80   78 84 87 81   78 84 87 80
Dewpt         78 77   76 77 77 76   75 77 77 76   75 77 77 76   75 76 77 72
PWind dir         E      SE    SE      SE     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      GN    GN      LT    GN
Avg clouds    B1 B2   SC SC SC SC   FW FW SC B1   SC SC SC B1   SC B1 B1 B1
PoP 12hr         80      40    30      30    60      40    60      60    60
Rain shwrs    SC SC   SC SC IS IS   IS IS SC SC   SC SC IS NM   SC SC NM SC
Tstms         SC SC                       IS IS         IS IS         IS IS

$$
PRZ002-310800-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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                67 76 82    72 87 92    66 77 82    72 86 90    66 78 82
Temp             80 78 77 78 83 86 87 84 80 79 78 78 83 85 86 83 80 79 78 79 83
Dewpt            74 74 74 74 74 75 75 75 74 75 75 75 76 77 77 77 76 76 76 75 76
RH               82 88 90 88 74 70 68 74 82 88 91 91 80 77 75 82 88 91 94 88 80
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         10  9  8  8 10 12 13 12 10  9 10 11 13 16 13 12 10 11 11 10 12
Wind gust        20 20                   21 19 23 24 25          20 23 23 23 23
Clouds           SC SC SC SC SC B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC
PoP 12hr                     30          50          60          60          60
QPF 12hr                   0.05   0.15-0.49        0.15        0.28        0.29
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS SC SC SC SC SC SC SC SC NM NM SC SC SC SC NM NM SC
Tstms                              IS IS                   IS IS
Heat index       84 81    80 89 94 95 92 85 83    80 90 95 96 92 86 84 81 81 90
Max heat        100    91    98   106   105    91    98   106   105    95    99


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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          85      75    85      75    84      77    85      77    86
Temp          85 78   76 81 85 79   76 81 84 79   77 82 85 80   77 82 86 80
Dewpt         77 75   75 76 76 75   74 75 76 75   75 75 75 74   75 75 76 72
PWind dir         E      SE    SE      SE     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B1 B2   B2 B1 B1 B1   SC SC B1 B2   SC SC SC B1   SC SC B2 B2
PoP 12hr         70      60    60      50    80      40    70      60    70
Rain shwrs    SC NM   NM SC SC NM   SC SC  D  D   SC SC NM NM   IS NM NM NM
Tstms         IS IS   IS IS IS IS         SC SC         IS IS         IS IS

$$
PRZ003-310800-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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                69 77 82    77 87 93    70 77 82    77 87 93    69 77 82
Temp             80 79 77 78 83 86 87 85 80 79 78 78 83 86 87 84 80 79 78 78 83
Dewpt            73 74 74 73 74 75 75 75 73 74 74 74 75 74 75 75 74 75 74 74 74
RH               79 85 90 85 74 70 68 72 79 85 88 88 77 68 68 74 82 88 88 88 74
Wind dir         NE NE NE NE  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE NE  E
Wind spd          9  9  6  6  8 12 12 12  9  8  9  9 12 14 13 11  9  9  9  8 10
Wind gust        19 19          28 26 24             24 28 26 23    19 19 18 20
Clouds           SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 SC
PoP 12hr                     30          50          60          60          60
QPF 12hr              0.04-0.10   0.08-0.18        0.14        0.28   0.19-0.29
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC IS IS SC SC SC SC SC SC SC NM NM SC SC SC SC NM NM SC
Tstms                                                      IS IS
Heat index       85 82    80 90 93 94 91 84 82 80 80 90 95 96 91 85 82    80 89
Max heat        101    91    97   104   103    90    98   106   105    91    96


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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    85      76    86      76    86
Temp          86 79   76 82 86 79   76 81 85 79   77 82 86 80   77 83 86 79
Dewpt         75 74   74 75 75 73   74 73 73 73   74 74 73 74   73 74 73 72
PWind dir         E       E    SE       E     E       E     E      NE     E
Wind char        GN      LT    GN      LT    GN      GN    GN      LT    GN
Avg clouds    B1 B1   B2 B1 B1 B1   SC SC B1 B2   SC SC SC SC   CL FW B1 SC
PoP 12hr         60      60    60      30    80      30    20      50    50
Rain shwrs    SC SC   NM SC SC NM   SC SC  D  D   SC SC IS IS      SC SC SC
Tstms            IS   IS IS IS IS         SC SC

$$
PRZ004-310800-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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 78    75 85 91    68 74 77    76 85 91    69 74 77
Temp             78 76 74 75 81 84 85 83 78 76 75 75 81 84 85 82 78 76 75 75 80
Dewpt            72 72 72 72 73 73 73 73 72 73 72 73 74 75 75 75 74 74 74 73 75
RH               82 87 93 90 77 70 67 72 82 90 90 94 79 74 72 79 88 94 97 94 85
Wind dir         NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE  E
Wind spd          5  4  3  3  6 10 12 11  5  4  5  6 10 13 12 10  4  4  4  4  6
Clouds           SC SC SC SC SC B1 B1 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 SC
PoP 12hr                     20          50          60          60          60
QPF 12hr                   0.05   0.12-0.62   0.07-0.15        0.28   0.23-0.29
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS SC SC SC SC SC SC SC NM NM SC SC SC SC NM NM SC
Tstms                                 IS                   IS IS
Heat index                   85 91 92 88             86 92 94 88             85
Max heat         98    88    95   103   102    86    97   106   105    87    93


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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    84      73    82      74    84      74    84
Temp          84 76   74 80 84 77   74 79 82 77   74 80 84 77   75 80 84 77
Dewpt         76 74   73 75 75 73   73 74 74 73   73 74 74 73   72 74 74 71
PWind dir         E      SE    SE      SE     E       E     E       E     E
Wind char        GN      LT    GN      LT    LT      LT    GN      LT    LT
Avg clouds    B1 B1   B1 B1 SC SC   SC SC SC B2   SC SC SC SC   FW SC B1 B1
PoP 12hr         60      50    50      20    70      30    40      60    60
Rain shwrs    SC NM   SC SC SC SC   IS IS IS SC   SC SC IS IS   IS IS SC SC
Tstms         IS IS   IS IS               IS IS            IS            IS

$$
PRZ005-310800-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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 88 92    73 76 82    83 89 93    73 76 82
Temp             80 78 77 78 83 87 88 85 80 78 77 77 84 88 89 85 80 78 77 77 82
Dewpt            74 75 74 73 76 77 77 76 74 75 74 74 77 78 78 78 77 77 76 75 77
RH               82 91 90 85 80 72 70 75 82 91 90 90 80 72 70 80 91 97 97 94 85
Wind dir          E  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         11 10  6  4  6 12 13 13 10  8  5  6 10 14 17 16 11  8  8  8 12
Wind gust                          26 25                   31 31 24
Clouds           SC SC SC SC SC SC B1 B1 SC CL FW FW B1 B1 B2 B2 B1 B1 B1 B1 SC
PoP 12hr                     10          50          40          50          40
QPF 12hr                   0.01   0.06-0.83   0.01-0.07   0.20-0.64   0.05-0.21
Snow 12hr                    MM          MM          MM
Rain shwrs                IS IS SC SC SC IS    IS IS SC SC SC SC SC SC SC SC IS
Tstms                                 IS                   IS IS
Heat index       85 80       92 99101 94 84          94102104 96 86          91
Max heat        104    91    98   111   108    90   101   116   114    92    98


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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    88      76    87      76    88      76    88
Temp          86 79   77 83 88 80   77 83 87 80   77 83 88 80   77 83 88 80
Dewpt         79 77   76 78 78 76   75 77 78 76   75 77 78 76   75 77 78 72
PWind dir         E       E     E      SE     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC B1   SC FW FW SC   CL CL FW B1   SC SC FW SC   SC SC SC SC
PoP 12hr         60      10    40       5    50      30    40      40    30
Rain shwrs    IS NM   IS IS SC SC      IS IS SC   SC SC SC SC   SC SC SC IS
Tstms         IS IS            IS            IS

$$
PRZ006-310800-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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                62 72 77    72 83 92    62 73 77    72 84 93    63 72 77
Temp             76 74 72 73 79 82 83 81 76 75 73 74 79 83 84 80 76 75 73 73 79
Dewpt            71 71 71 70 72 72 73 72 71 71 71 71 73 74 74 74 73 73 72 72 73
RH               85 90 97 90 79 72 72 74 85 87 93 90 82 74 72 82 90 94 97 97 82
Wind dir         NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE  E  E
Wind spd          5  4  3  3  5  9 10 10  5  4  4  4  8 12 12 10  5  3  3  3  6
Wind gust                       27 24 21             20 26 25 21
Clouds           SC SC SC SC SC SC B1 B2 SC FW SC FW B1 B1 B2 B2 B1 B1 B1 B1 SC
PoP 12hr                     10          50          50          50          50
QPF 12hr                   0.02   0.08-0.68   0.02-0.11   0.23-0.56   0.07-0.26
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS    IS SC SC SC IS IS IS IS SC SC SC SC SC SC SC SC IS
Tstms                                 IS                   IS IS
Heat index                   82 87 88 84             83 89 90 84             82
Max heat         99    86    96   103   102    85    96   106   105    86    94


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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      72    82      72    81      73    82      73    82
Temp          83 76   73 78 82 76   73 78 81 75   73 79 82 76   73 79 82 75
Dewpt         75 73   72 74 75 72   72 73 74 72   72 73 73 72   71 73 74 69
PWind dir         E       E    SE      SE     E       E     E       E     E
Wind char        GN      LT    GN      LT    LT      LT    GN      LT    LT
Avg clouds    SC B1   SC SC SC SC   FW FW SC B1   SC FW FW SC   FW SC SC SC
PoP 12hr         60      20    50       5    60      20    30      30    30
Rain shwrs    IS NM   IS IS IS SC   IS IS NM NM   IS IS SC SC   IS IS SC SC
Tstms         IS IS            IS         IS IS

$$
PRZ007-310800-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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 75 82    73 87 94    63 77 82    72 88 93    64 76 82
Temp             80 78 76 77 83 86 87 85 80 79 77 78 83 87 88 84 80 78 77 77 83
Dewpt            71 71 70 69 71 72 73 73 71 71 71 71 72 72 73 73 73 72 72 71 72
RH               74 79 82 76 67 63 63 67 74 77 82 79 70 61 61 70 79 82 85 82 70
Wind dir         NE NE NE NE  E  E SE  E  E  E  E  E  E  E  E  E  E NE NE NE  E
Wind spd          6  5  4  4  5 12 11 10  9  5  5  6 11 14 13 12  8  5  4  4  5
Wind gust                       28 26 25 21          26 28 27 29 21
Clouds           SC SC SC SC SC SC B1 B1 SC FW FW SC B1 B1 B1 B1 SC SC SC SC FW
PoP 12hr                     10          40          40          40          30
QPF 12hr              0.01-0.19   0.04-0.97   0.01-0.11   0.08-0.43   0.04-0.19
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS SC SC IS IS IS IS SC SC SC SC SC SC SC SC IS
Tstms                                                      IS IS
Heat index       83          87 91 94 90 84 81       89 93 95 90 83 80       88
Max heat        101    90    95   103   103    91    97   104   103    90    96


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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    86      76    87      76    87
Temp          87 79   77 82 86 80   77 82 86 79   77 83 87 80   77 83 87 79
Dewpt         73 74   72 73 74 72   72 71 71 72   71 72 72 72   70 71 73 71
PWind dir         E       E    SE       E     E       E     E      NE     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   SC SC SC SC   FW FW SC B1   SC FW FW SC   FW FW SC SC
PoP 12hr         40      10    50       5    70      20    30      10    40
Rain shwrs    IS SC   IS IS SC SC   IS IS NM IS   IS IS IS SC   IS IS IS SC
Tstms                                     IS IS                          IS

$$
PRZ008-310800-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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 74 82    83 87 94    71 74 82    83 88 93    71 75 82
Temp             79 77 75 76 82 86 87 84 79 77 75 76 83 87 88 84 79 77 76 76 81
Dewpt            74 73 73 72 74 75 76 75 74 73 73 73 75 76 77 76 76 76 75 75 76
RH               85 87 94 87 77 70 70 74 85 87 94 90 77 70 70 77 91 97 97 97 85
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         13 12 10  8  9 11 12  9  8 10  8  6  9 12 17 18 16 11 10  9 14
Wind gust        25 24             25 21 18 21          24 31 33 28 24 20    25
Clouds           SC SC SC SC SC SC B1 B2 SC CL FW CL SC SC B2 B2 B1 B1 SC SC FW
PoP 12hr                      0          60          20          60          30
QPF 12hr                   0.01   0.11-1.08        0.01   0.31-0.71        0.05
Snow 12hr                    MM          MM          MM
Rain shwrs       IS             IS SC NM IS          IS IS NM NM SC SC IS IS IS
Tstms                                 IS                   IS IS
Heat index       81          88 95 98 92 81          90 98100 93 82          88
Max heat        103    91    98   112   111    90    99   111   110    91   100


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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      76    86      75    87      75    87
Temp          86 78   76 82 86 79   76 82 86 79   76 83 87 79   76 83 87 79
Dewpt         77 76   75 76 77 75   74 75 77 75   74 75 76 74   74 75 77 72
PWind dir         E       E     E      SE     E       E     E       E     E
Wind char        BZ      LT    LT      LT    GN      GN    BZ      GN    GN
Avg clouds    SC B1   FW FW SC B1   FW FW SC B1   SC SC SC B1   SC SC SC SC
PoP 12hr         80       5    70       0    70      30    60      20    50
Rain shwrs    IS  D      IS IS NM         NM NM   SC SC NM NM   IS IS IS SC
Tstms         SC SC         IS IS         IS IS         IS IS            IS

$$
PRZ009-310800-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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                65 72 76    73 84 94    66 72 77    73 85 93    66 72 75
Temp             76 74 72 73 79 83 84 81 76 75 73 74 80 84 85 81 76 74 73 73 80
Dewpt            71 71 70 68 71 72 73 72 71 71 71 69 73 73 74 74 73 73 72 71 73
RH               85 90 93 84 77 70 70 74 85 87 93 84 79 70 70 79 90 97 97 93 79
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          6  6  4  4  4  5  5  3  4  5  4  4  6 10  8  8  6  4  4  4  6
Wind gust        17             24 24                25 28 25 31 20
Clouds           B1 SC SC SC SC SC B2 B2 SC CL CL CL SC SC B2 B2 SC SC SC SC FW
PoP 12hr                     30          70          20          70          30
QPF 12hr              0.01-0.21   0.14-1.50        0.01   0.10-0.77        0.05
Snow 12hr                    MM          MM          MM
Rain shwrs       IS             IS NM NM IS          IS IS NM NM SC SC IS IS IS
Tstms                              IS IS                   IS IS
Heat index                   82 88 91 86             84 91 93 86             83
Max heat         98    85    94   107   105    86    95   109   107    85    92


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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      72    83      73    83      72    84      72    84
Temp          84 76   73 79 83 76   74 79 83 76   73 80 84 76   73 80 84 76
Dewpt         75 73   73 74 75 73   72 73 74 72   71 73 74 72   71 72 75 70
PWind dir         E       E    SE      SE     E       E     E       E     E
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1   FW FW SC B1   CL CL SC B1   SC FW SC B1   FW FW SC B1
PoP 12hr         80       5    80       0    70      20    60      10    70
Rain shwrs    IS  D   IS IS  D  D         NM NM   IS IS NM NM   IS IS NM NM
Tstms         SC SC         SC SC         IS IS         IS IS         IS IS

$$
PRZ010-310800-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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    77 89 94    71 76 82    78 90 93    70 75 82
Temp             80 77 76 77 84 88 89 86 80 78 77 77 85 89 90 85 80 78 76 76 83
Dewpt            74 74 72 71 73 75 76 76 75 74 73 72 75 76 77 77 76 76 74 73 76
RH               82 90 87 82 70 66 66 72 85 88 87 85 72 66 66 77 88 94 94 90 80
Wind dir         NE  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         11 12  9  6  6  4  6  4  4  9  6  6  9  9  8  9  5  8  8  6  9
Wind gust        24 27 25 18 18 16          24 23 25 27 25 21 24 21 20 21 20 21
Clouds           B1 SC SC SC SC SC B2 B2 SC CL CL CL SC SC B2 B2 B1 B1 SC SC FW
PoP 12hr                     30          70          20          60          40
QPF 12hr              0.00-0.23   0.06-1.50        0.01   0.04-0.79        0.05
Snow 12hr                    MM          MM          MM
Rain shwrs       IS                NM NM IS          IS IS NM NM SC SC IS IS IS
Tstms                              IS IS                   IS IS
Heat index       84          90 98101 96 84 80       93101104 96 85          91
Max heat        105    91    97   112   111    90    99   112   110    94    99


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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      75    88      76    89      76    89      76    89
Temp          88 79   76 83 88 80   77 84 89 80   77 84 89 80   77 84 89 80
Dewpt         78 76   75 76 78 75   74 75 77 75   73 75 77 75   73 75 77 72
PWind dir         E       E    SE       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    LT
Avg clouds    SC B1   FW FW SC B1   FW FW SC B1   SC FW SC SC   FW FW SC B1
PoP 12hr         70       0    70       5    70      20    60      10    70
Rain shwrs     D  D         IS  D         NM NM   IS IS NM NM   IS IS IS NM
Tstms         SC SC         SC SC         IS IS         IS IS         IS IS

$$
PRZ011-310800-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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 92 94    73 77 82    83 91 93    71 75 82
Temp             81 78 76 77 85 91 92 88 82 80 78 78 86 90 91 86 81 78 76 77 84
Dewpt            75 73 71 70 73 75 76 75 74 73 72 72 74 74 75 76 75 74 73 72 73
RH               82 85 85 79 67 60 60 66 77 79 82 82 68 60 60 72 82 88 90 85 70
Wind dir          E  E  E  E  E SE SE  E  E  E  E  E  E  E SE  E  E NE NE NE  E
Wind spd          8  5  6  6  8 12 13 12 11 10  8 10 16 17 16 18 12  5  4  3  4
Wind gust                       28 29 28 25 23 20 23 32 34 33 36 26
Clouds           B1 SC SC SC SC SC SC B1 SC FW CL FW SC SC SC SC SC SC SC SC FW
PoP 12hr                     50          30          20          20          20
QPF 12hr              0.05-0.23   0.04-1.15        0.01   0.05-0.33        0.04
Snow 12hr                    MM          MM          MM
Rain shwrs       SC                IS SC IS       IS IS IS IS IS IS IS IS IS IS
Tstms
Heat index       86          92 98102 96 87 83    80 93101103 96 86 80       91
Max heat        102    91    95   108   107    91    97   110   109    91    94


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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      76    91      76    91      76    91
Temp          90 80   76 84 90 80   77 85 91 81   77 86 91 81   77 86 91 80
Dewpt         76 75   74 75 76 74   74 72 73 73   71 72 75 75   72 71 74 73
PWind dir         E       E    SE       E    SE       E     E       E     E
Wind char        GN      LT    BZ      GN    GN      LT    GN      LT    GN
Avg clouds    SC SC   FW FW FW SC   FW FW SC B1   SC FW FW SC   CL FW SC SC
PoP 12hr         30       5    30       5    60      20    30      20    40
Rain shwrs    IS IS   IS IS SC SC   IS IS NM IS   IS IS SC SC      IS SC SC
Tstms                                     IS IS

$$
PRZ012-310800-
Culebra-
Including the city of Culebra
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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                75 79 82    83 88 93          80    83 87 92          81
Temp             82 80 79 80 84 87 88 86 82 81 80 80 84 86 87 85 83 83 82 82 86
Dewpt            76 76 75 75 76 76 76 76 76 77 77 76 78 78 79 79 78 78 77 77 77
RH               82 88 88 85 77 70 68 72 82 88 91 88 82 77 77 82 85 85 85 85 75
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         19 18 16 16 14 17 16 17 18 18 20 20 21 20 19 18 19 20 19 20 20
Clouds           SC SC SC SC B1 SC B1 B2 B1 B1 B1 B1 B1 B1 B2 B2 SC SC B1 B1 SC
PoP 12hr                     40          50          40          50          50
QPF 12hr                   0.04        0.13        0.11        0.21        0.15
Snow 12hr                    MM          MM          MM
Rain shwrs             IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms                                                      IS IS
Heat index       89 85 81 84 93 99100 96 90 88 86 86 95 99100 97 93 92 90 90 96
Max heat        102    92    98   106   105    92    98   106   106    95   100


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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      78    85      78    85      80    87      80    87
Temp          88 81   79 82 85 80   79 83 85 81   80 84 87 82   80 84 87 82
Dewpt         78 78   77 77 78 77   77 77 77 77   77 76 77 76   77 77 77 72
PWind dir         E      SE    SE       E     E       E     E       E     E
Wind char        BZ      GN    BZ      GN    GN      BZ    BZ      BZ    GN
Avg clouds    SC B1   B2 B2 SC SC   SC SC B1 B2   SC SC SC B1   FW SC B2 B2
PoP 12hr         60      60    50      60    70      50    60      60    70
Rain shwrs    SC NM   NM NM SC SC   SC NM NM SC   SC SC NM NM   IS NM NM NM
Tstms            IS   IS IS            IS IS IS         IS IS         IS IS

$$
PRZ013-310800-
Vieques-
Including the city of Vieques
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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                75 78 82    83 88 92    76 79 82    83 87 90          80
Temp             82 80 78 79 84 88 88 86 82 81 80 80 84 87 87 85 82 81 80 81 85
Dewpt            74 75 75 74 74 75 74 74 74 76 76 76 76 77 76 77 76 76 77 76 76
RH               77 85 91 85 72 66 63 68 77 85 88 88 77 72 70 77 82 85 91 85 75
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         20 18 16 14 16 16 14 17 18 17 19 19 20 20 18 17 18 19 20 19 19
Clouds           SC SC SC SC B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B2 B2 SC
PoP 12hr                     30          50          40          50          50
QPF 12hr                   0.06        0.13        0.11        0.23        0.21
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms                                                      IS IS
Heat index       87 84 80 82 92 97 98 95 89 87 84 85 93 98 98 95 90 88 86 87 94
Max heat         99    91    96   103   102    90    96   103   102    92    97


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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      76    85      77    86      79    87      79    88
Temp          88 80   77 81 85 80   77 83 86 81   79 84 87 82   80 85 88 82
Dewpt         76 76   76 76 75 75   76 75 75 75   76 75 74 74   76 75 75 72
PWind dir         E      SE    SE       E     E       E     E       E     E
Wind char        BZ      GN    GN      GN    GN      BZ    BZ      BZ    GN
Avg clouds    B1 B2   B2 B2 SC SC   SC SC B1 B2   SC SC SC B1   CL SC B2 B2
PoP 12hr         60      60    60      60    80      50    60      60    70
Rain shwrs    SC NM   NM NM SC SC   SC NM  D  D   SC SC NM NM      NM NM NM
Tstms         IS IS   IS IS IS IS      IS SC SC         IS IS         IS IS

$$
VIZ001-310800-
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 Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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 78 82    83 85 92    71 78 82    83 85 92    72 79 82
Temp             81 79 78 79 82 84 85 84 80 80 79 79 83 85 85 83 81 80 79 80 83
Dewpt            75 75 75 75 75 75 74 76 75 77 77 76 77 77 77 78 77 78 77 77 77
RH               82 88 91 88 79 74 70 77 85 91 94 91 82 77 77 85 88 94 94 91 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         19 18 17 16 17 18 17 18 18 19 20 21 23 20 20 19 20 20 20 21 20
Clouds           SC SC SC SC B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     40          40          40          40          50
QPF 12hr                   0.05        0.10        0.11   0.11-0.19        0.11
Snow 12hr                    MM          MM          MM
Rain shwrs             IS IS SC IS IS SC SC SC SC SC SC SC SC SC IS IS SC SC SC
Tstms                                                      IS IS
Heat index       86 83 81 82 89 93 93 92 86 84 82 82 91 95 96 93 88 87 84 84 91
Max heat        102    92    98   104   103    92    99   106   105    94    99


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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          85      78    80      77    83      78    85      78    84
Temp          85 81   79 80 80 78   78 81 83 80   78 83 85 81   79 82 84 81
Dewpt         77 77   77 77 76 76   76 76 76 76   76 75 75 76   76 76 76 70
PWind dir         E      SE    SE       E     E       E     E       E     E
Wind char        BZ      GN    BZ      BZ    BZ      BZ    BZ      BZ    GN
Avg clouds    SC B1   B2 B2 SC B1   B1 B1 SC SC   SC SC SC B1   SC SC B2 B2
PoP 12hr         60      60    50      60    60      50    60      60    60
Rain shwrs    SC NM   NM NM SC SC   SC NM NM SC   SC SC NM NM   IS NM NM NM
Tstms            IS   IS IS         IS IS IS            IS IS         IS IS

$$
VIZ002-310800-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 PM AST Wed Jul 30 2025

Date           07/30/25      Thu 07/31/25            Fri 08/01/25            Sat
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                75 79 82    83 89 96          80    83 88 93          80
Temp             82 81 79 80 85 88 89 87 83 82 81 81 85 88 88 86 83 82 81 81 84
Dewpt            75 75 75 75 75 75 75 75 75 76 76 76 77 77 77 77 76 77 76 76 77
RH               79 82 88 85 72 66 64 68 77 82 85 85 77 70 70 75 80 85 85 85 80
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         19 17 13 13 14 16 17 14 13 16 17 18 19 19 20 18 18 18 18 17 17
Clouds           B2 B1 SC SC B1 SC SC B1 B1 B1 SC SC B1 B1 SC SC B1 B1 B2 B2 SC
PoP 12hr                     50          40          40          40          50
QPF 12hr                   0.14        0.10        0.09        0.12        0.20
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC IS SC SC IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Heat index       89 86 82 84 93 98 99 96 90 89 87 87 95100100 97 91 89 87 87 94
Max heat        104    92   100   109   108    93   101   109   108    94   102


Date           08/02  Sun 08/03/25  Mon 08/04/25  Tue 08/05/25  Wed 08/06/25
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    85      79    86      80    87      80    87
Temp          87 82   80 83 85 80   79 83 86 82   80 84 87 82   80 84 87 82
Dewpt         77 76   77 77 76 76   76 76 76 76   76 76 76 76   76 76 76 71
PWind dir         E      SE    SE       E     E       E     E       E     E
Wind char        GN      GN    BZ      GN    BZ      BZ    BZ      GN    GN
Avg clouds    SC B1   B2 B2 B1 B1   B2 B1 SC SC   SC SC SC B1   FW FW B1 B2
PoP 12hr         60      60    60      60    60      50    60      50    60
Rain shwrs    SC NM   NM NM SC NM   NM NM NM SC   SC SC NM NM   IS SC NM NM
Tstms            IS   IS IS    IS   IS IS IS            IS IS         IS IS

$$