Area Forecast Matrices
Issued by NWS San Juan, PR

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363
FOCA52 TJSJ 162102
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 PM AST Wed Jul 16 2025

PRZ001-170800-
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 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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 77 81    80 88 91    73 77 81    79 86 89    72 75 80
Temp             80 79 77 78 84 87 88 85 81 79 77 78 82 85 86 83 79 77 75 77 83
Dewpt            76 76 76 75 77 78 78 78 77 77 76 75 76 76 76 76 76 75 75 74 75
RH               88 91 97 91 80 75 72 80 88 94 97 91 82 75 72 80 91 94100 90 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          9  8  8  8  9 13 14 13  9  8  8  6  9 11 13 12  8  6  5  5  6
Wind gust                                                     23
Clouds           SC SC SC SC SC B1 SC B1 B1 B1 B1 SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     30          50          40          30          50
QPF 12hr              0.05-0.20        0.15        0.12   0.03-0.09        0.08
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC IS
Tstms
Obvis                         H     H              H  H  H  H  H
Heat index       85 81    80 93100101 97 87 82    80 90 96 97 92 82          91
Max heat         99    91    99   111   110    91    96   106   104    88    96


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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    88      76    88      77    89      77    89
Temp          88 80   76 83 88 80   77 83 88 80   77 84 89 81   77 84 89 80
Dewpt         76 75   74 76 76 75   75 75 75 76   75 76 77 77   76 76 76 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    SC SC   FW FW SC SC   SC SC SC SC   SC SC SC SC   CL FW SC SC
PoP 12hr         40      10    40      10    20      20    20       5    30
Rain shwrs    IS IS   IS IS SC SC   IS IS IS IS   IS IS IS IS      IS SC SC

$$
PRZ002-170800-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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 77 81    74 85 90    66 76 81    74 85 90    65 75 81
Temp             79 78 77 78 82 84 85 83 79 78 76 77 82 84 85 83 78 77 75 77 82
Dewpt            75 76 75 75 76 77 77 77 76 76 75 75 75 76 75 75 74 74 74 73 74
RH               88 94 94 91 82 80 77 82 91 94 97 94 79 77 72 77 88 90 97 87 77
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E
Wind spd         11 10 10 10 11 12 13 12 10 10 10  9 10 11 12 12  9  8  6  6  6
Wind gust        23 21 21 20 21          20 20 20 19                18
Clouds           B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 SC
PoP 12hr                     40          50          40          40          50
QPF 12hr              0.14-0.20        0.15        0.13        0.09        0.11
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms
Obvis                         H     H
Heat index       84 81    80 89 95 96 92 84 80       88 93 94 90 82          87
Max heat         98    91    97   106   104    92    97   105   104    90    95


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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    87      76    86      77    86      77    86
Temp          86 79   76 83 87 80   77 82 86 80   77 82 86 80   77 82 86 79
Dewpt         74 74   74 75 75 74   74 74 74 74   74 75 76 76   75 75 76 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   B1 B1 B1 B1   SC SC SC SC   B1 SC SC SC   FW SC B1 SC
PoP 12hr         30      50    50      30    40      40    20      30    40
Rain shwrs    IS IS   SC SC SC SC   IS IS IS SC   SC SC IS IS   IS IS SC SC

$$
PRZ003-170800-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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 76 81    76 86 92    68 76 81    76 86 92    67 75 80
Temp             80 78 77 78 82 85 86 84 79 78 76 77 82 85 86 83 79 77 75 76 82
Dewpt            75 76 75 75 76 77 77 77 75 76 75 75 75 76 75 75 74 75 73 73 74
RH               85 94 94 91 82 77 75 80 88 94 97 94 79 75 70 77 85 94 94 90 77
Wind dir          E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E NE NE NE  E  E
Wind spd          9  9  9  9 10 12 14 12  9  9  9  8  9 11 12 12  9  6  6  5  6
Wind gust        20 19 20    20 25 28 24                23 26 25 19
Clouds           SC SC FW SC FW SC FW SC SC SC SC FW FW FW SC SC FW FW FW FW SC
PoP 12hr                     10          30          20          20          20
QPF 12hr              0.02-0.14   0.01-0.15   0.01-0.11   0.00-0.07   0.00-0.09
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
Tstms
Obvis                         H  H  H  H  H  H  H  H  H  H  H  H
Heat index       84 81    80 90 96 97 93 84 80       89 95 95 91 82          88
Max heat        102    91    99   109   108    91    97   106   105    89    96


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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    87      76    86      76    87      76    87
Temp          86 79   76 82 87 79   76 82 86 80   76 83 87 80   76 82 87 79
Dewpt         75 74   74 75 75 74   74 74 74 74   74 75 76 76   75 75 76 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   SC B1 B1 SC   SC FW FW SC   B1 SC FW FW   CL FW SC SC
PoP 12hr         30      50    50      10    30      30    10      20    40
Rain shwrs    IS IS   SC SC SC SC   IS IS IS IS   SC SC IS IS      IS IS SC

$$
PRZ004-170800-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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 74 77    74 84 91    68 74 77    74 84 90    67 72 75
Temp             77 76 74 75 80 83 84 82 77 76 74 75 80 83 84 81 76 74 72 74 80
Dewpt            73 74 73 73 75 75 75 75 74 74 73 73 74 74 74 73 73 73 72 72 73
RH               87 94 97 94 85 77 74 79 90 94 97 94 82 74 72 77 90 97100 93 79
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE  E  E  E
Wind spd          5  6  6  5  6 10 12 11  5  4  4  4  6 10 11 10  5  3  3  3  4
Clouds           SC FW SC FW SC B1 FW SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          40          40          20          30
QPF 12hr              0.02-0.20   0.02-0.15   0.02-0.13   0.01-0.38   0.00-0.11
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS SC IS SC SC SC SC IS IS IS IS IS IS IS SC SC IS
Tstms
Obvis                         H  H  H  H  H  H  H  H  H  H  H  H
Heat index                   85 91 93 88             83 89 90 85             83
Max heat         98    86    97   106   105    88    95   102   101    83    95


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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      73    85      73    84      74    85      74    85
Temp          85 77   73 80 85 77   73 80 84 77   74 81 85 78   74 80 85 77
Dewpt         73 72   72 73 73 72   72 73 72 73   73 74 74 74   73 74 74 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    SC SC   SC SC SC B1   SC FW FW SC   SC SC FW FW   FW FW SC SC
PoP 12hr         30      20    50      10    30      30    10       5    40
Rain shwrs    IS IS   IS IS SC SC   IS IS IS IS   IS IS IS IS      IS SC SC

$$
PRZ005-170800-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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 80    84 88 92    73 76 80    82 87 91    72 75 80
Temp             79 78 76 78 83 87 88 85 80 78 76 77 82 86 87 84 79 77 75 76 83
Dewpt            76 76 75 75 77 78 79 78 77 77 76 75 77 77 78 77 76 76 74 74 76
RH               91 94 97 91 82 75 75 80 91 97100 94 85 75 75 80 91 97 97 94 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         11  8  6  6  9 16 18 16 11  9  8  6  8 12 14 12 10  8  8  6  6
Wind gust        23             27 33 31 23             24 25 24 20
Clouds           SC FW FW FW FW SC FW B2 SC B1 SC SC SC SC SC SC FW FW SC SC FW
PoP 12hr                     10          50          40          20          20
QPF 12hr              0.01-0.14   0.11-0.79   0.02-0.13   0.03-0.51   0.00-0.07
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS SC IS SC SC SC SC IS IS IS IS IS IS IS IS IS
Tstms                                 IS
Obvis                         H  H  H     H  H  H  H  H  H  H  H
Heat index       84          93101104 97 86          91 98100 93 81          90
Max heat        102    90   100   117   115    91    99   111   109    89    97


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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      75    88      76    89      76    89
Temp          88 79   75 83 88 79   76 83 88 80   76 84 89 80   77 84 89 80
Dewpt         78 76   74 76 78 75   74 76 77 76   75 77 78 77   76 77 78 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      GN    GN      GN    BZ
Avg clouds    FW FW   FW FW SC SC   CL FW SC SC   FW FW SC SC   CL FW SC SC
PoP 12hr         10       0    50       5    20       5    20       5    30
Rain shwrs    IS IS         SC SC      IS IS IS   IS IS IS IS         SC SC
Tstms                          IS

$$
PRZ006-170800-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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 72 77    74 83 92    63 72 76    74 82 92    61 71 75
Temp             75 74 72 74 79 82 83 80 76 74 72 73 78 81 82 79 75 73 71 72 78
Dewpt            72 72 72 72 74 75 75 75 73 73 72 72 73 74 74 73 72 72 70 70 72
RH               90 93100 93 85 79 77 85 90 97100 97 85 79 77 82 90 97 97 93 82
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E
Wind spd          5  5  6  5  6 10 11 10  5  4  4  3  5  9  9  8  5  3  3  3  4
Wind gust                       25 27 24                23 24 20
Clouds           FW FW FW FW FW FW SC B1 SC SC SC FW FW FW B1 B1 FW FW FW FW FW
PoP 12hr                      5          40          10          30           5
QPF 12hr                   0.02   0.01-0.79   0.00-0.11   0.01-1.15   0.00-0.07
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS       IS IS SC IS IS IS IS IS IS SC SC IS IS IS IS
Tstms                                 IS                   IS IS
Obvis                         H  H  H  H  H  H  H  H  H  H  H  H
Heat index                   82 88 89 85             81 86 88 83             80
Max heat         98    85    97   108   107    86    94   103   102    83    94


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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    83      72    84      72    84
Temp          83 75   71 78 83 75   72 78 83 76   72 79 84 76   73 79 84 76
Dewpt         74 72   71 73 73 71   71 72 72 71   71 73 74 73   72 73 73 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    FW SC   FW FW SC SC   CL CL FW SC   FW FW FW SC   CL FW FW SC
PoP 12hr         40       0    50       0    20       5    30       0    40
Rain shwrs    IS IS         SC SC         IS IS   IS IS IS IS         SC SC
Tstms                                        IS

$$
PRZ007-170800-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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                64 76 81    74 87 94    64 75 81    74 87 93    63 74 80
Temp             80 78 76 77 83 86 87 84 79 78 76 77 82 86 87 84 78 76 74 75 81
Dewpt            73 72 72 71 73 74 75 75 74 73 72 71 73 74 74 74 73 72 71 70 72
RH               79 82 87 82 72 68 68 74 85 85 87 82 74 68 65 72 85 87 90 84 74
Wind dir          E  E  E  E  E  E SE SE  E  E NE NE  E SE  E  E  E NE NE NE  E
Wind spd         10  6  5  5  5 13 14 12  9  5  5  4  5 11 11  8  5  4  4  4  4
Wind gust        24             28 31 27 23             24 26 23
Clouds           SC FW CL FW CL FW SC SC FW CL FW FW CL CL SC SC FW FW CL CL FW
PoP 12hr                      5          20           5          30           5
QPF 12hr              0.01-0.11   0.00-0.75           0   0.00-1.16        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS             IS IS       IS          IS IS IS IS
Tstms                                                      IS IS
Obvis                         H  H  H  H  H  H  H  H  H  H  H  H
Heat index       84 80       88 94 96 93 84          88 94 96 91 81          86
Max heat        103    91    96   108   107    92    96   108   106    89    94


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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    87      76    88      76    88
Temp          87 79   75 82 87 79   76 82 87 79   76 83 88 80   76 83 88 79
Dewpt         74 72   71 72 73 72   71 71 72 72   71 72 74 73   72 72 74 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    FW SC   FW FW FW SC   CL CL FW SC   FW FW FW FW   CL FW FW SC
PoP 12hr         40       5    20       0    20       5     5       0    40
Rain shwrs    IS IS   IS IS IS IS         IS IS   IS IS IS IS         SC SC
Tstms                                        IS

$$
PRZ008-170800-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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 80    84 87 93    71 75 80    84 87 94    70 73 80
Temp             78 76 75 76 82 86 87 84 79 77 75 76 82 86 87 83 78 76 74 75 81
Dewpt            75 74 74 74 75 76 78 77 76 76 75 74 75 76 77 75 75 74 73 73 74
RH               91 94 97 94 79 72 75 80 91 97100 94 79 72 72 77 91 94 97 94 79
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E
Wind spd         16 10  8  8 11 16 18 16 12 11 10  9 10 12 12 11 12 11  9  8  8
Wind gust        29 21          27 32 31 24 21 21       23 23    24 21 19
Clouds           B1 FW FW CL CL SC B1 B2 SC SC SC SC FW FW SC SC CL CL FW FW FW
PoP 12hr                     40          60          30          30           5
QPF 12hr              0.01-0.13   0.09-0.77   0.01-0.10   0.01-0.62        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS          IS SC SC IS IS IS IS IS IS SC SC       IS IS
Tstms                              IS IS
Obvis                         H  H  H     H  H  H  H  H  H  H  H
Heat index       80          89 96 99 93 82          89 95 98 91             86
Max heat        102    89    99   114   113    92   100   114   112    89    96


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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    87      73    86      74    87      75    87
Temp          86 77   74 81 87 78   74 81 86 78   75 82 87 79   75 82 87 78
Dewpt         76 74   73 74 76 75   73 74 76 75   74 74 77 76   75 75 77 75
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      GN    GN      GN    BZ
Avg clouds    SC SC   FW FW SC B1   CL CL FW SC   FW FW SC SC   FW FW FW SC
PoP 12hr         40       5    60       0    20       5    40       0    30
Rain shwrs    SC IS   IS IS NM NM         IS IS      IS IS SC         SC SC
Tstms                       IS IS            IS

$$
PRZ009-170800-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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    74 84 93    65 72 76    74 84 94    64 70 74
Temp             75 74 72 73 79 83 84 81 76 74 72 74 79 83 84 81 75 73 71 72 78
Dewpt            72 72 71 70 73 74 75 74 74 73 72 71 73 73 75 73 73 72 71 69 72
RH               90 93 97 90 82 74 74 79 94 97100 90 82 72 74 77 94 97100 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          6  5  4  3  5  9  8  6  5  4  4  4  4  6  5  4  5  4  4  3  3
Wind gust        21             27 27 24 20             23 20
Clouds           SC CL CL CL CL FW B2 B2 FW FW FW FW FW FW B2 B2 FW FW CL CL FW
PoP 12hr                     20          60           5          60           0
QPF 12hr              0.01-0.10   0.01-0.77        0.01   0.04-1.16           0
Snow 12hr                    MM          MM          MM
Rain shwrs       IS                NM NM IS IS IS          NM NM IS IS
Tstms                              IS IS                   IS IS
Obvis                         H  H        H  H  H  H  H  H
Heat index                   82 89 92 86             82 89 92 85             80
Max heat        101    87    94   109   108    87    95   109   108    83    92


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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    84      72    85      72    84
Temp          83 75   71 78 83 75   72 79 84 76   72 79 85 76   72 79 84 76
Dewpt         74 72   71 72 74 72   71 71 73 72   71 72 74 73   72 72 74 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC B1   FW FW SC B1   CL CL FW SC   FW FW SC SC   CL CL SC SC
PoP 12hr         70       0    60       0    50       0    50       0    50
Rain shwrs    SC SC         NM NM         SC SC         NM NM         SC SC
Tstms         IS IS         IS IS         IS IS         IS IS         IS IS

$$
PRZ010-170800-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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    76 89 94    70 75 82    77 89 94    68 74 82
Temp             79 77 75 77 83 88 89 85 80 77 76 77 84 88 89 85 79 76 74 75 82
Dewpt            76 75 74 72 75 77 78 77 77 76 74 73 75 76 78 77 76 75 73 72 74
RH               91 94 97 85 77 70 70 77 91 97 94 87 74 68 70 77 91 97 97 90 77
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E
Wind spd          9  8  8  6  8  8  8  6  8  8  9  8  5  5  4  5  9  9  8  6  5
Wind gust        23 24 26 21 18 21 23 21 19 20 21 21 18 16 16 16 24 24 21    17
Clouds           B1 CL CL CL CL FW B2 B2 FW FW CL FW FW FW B1 B1 SC SC FW FW FW
PoP 12hr                     40          70           0          50          10
QPF 12hr              0.10-0.75   0.02-0.77           0   0.02-1.17   0.00-0.22
Snow 12hr                    MM          MM          MM
Rain shwrs       SC                NM NM IS                SC SC SC SC
Tstms            IS                IS IS                   IS IS
Obvis                         H  H     H  H  H  H  H  H  H
Heat index       83          90 99103 96 84          92100103 96 81          89
Max heat        103    91    99   115   114    91   100   114   112    90    96


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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    89      74    88      75    89      75    89
Temp          88 79   75 83 89 79   75 83 88 79   75 83 89 80   76 83 89 79
Dewpt         76 75   73 74 77 75   73 74 76 75   73 74 78 76   74 75 77 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC B1   SC FW SC SC   FW FW FW SC   FW FW SC SC   FW FW FW SC
PoP 12hr         80       5    60       0    40       0    50       0    50
Rain shwrs    SC SC   IS IS NM NM   IS    SC SC         NM NM   IS    SC SC
Tstms         IS IS         IS IS         IS IS         IS IS         IS IS

$$
PRZ011-170800-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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 81    85 91 94    72 76 81    85 92 94    70 74 80
Temp             81 78 76 77 85 90 91 87 81 78 76 77 85 90 92 87 80 77 75 76 84
Dewpt            76 74 73 72 74 77 77 77 77 75 73 72 74 76 77 77 76 74 72 71 73
RH               85 88 90 85 70 66 64 72 88 91 90 85 70 64 62 72 88 90 90 85 70
Wind dir          E  E  E  E  E  E SE SE  E  E  E  E  E SE SE  E  E  E  E  E  E
Wind spd         14 11  9  5  5 14 17 14 13 10  9  8  5 11  9  6  8  4  5  6  8
Wind gust        32 26 21       31 34 31 29 26 20 19    26 24
Clouds           SC FW CL CL CL FW FW SC CL CL FW FW CL CL SC SC B1 B1 CL CL FW
PoP 12hr                     30           5           5          40          40
QPF 12hr              0.01-0.10   0.01-0.75        0.01   0.02-1.17        0.04
Snow 12hr                    MM          MM          MM
Rain shwrs       SC             IS IS IS       IS          IS IS SC SC
Tstms                                                      IS IS
Obvis                         H  H  H  H  H  H  H  H  H  H  H  H
Heat index       86          92102105 99 87          93103105 98 84          90
Max heat        103    90    96   111   110    91    97   110   109    89    94


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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    91      76    90      75    91      75    91
Temp          90 80   76 84 91 81   76 85 90 80   76 85 91 81   76 85 91 80
Dewpt         76 75   72 74 76 75   72 73 75 75   72 74 77 76   73 74 77 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    BZ      GN    BZ
Avg clouds    FW SC   FW FW FW FW   CL CL FW SC   FW FW FW FW   CL FW FW SC
PoP 12hr         40       5    10       0    10       0     5       0    40
Rain shwrs    SC SC   IS IS IS IS         IS IS         IS IS         SC SC

$$
PRZ012-170800-
Culebra-
Including the city of Culebra
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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                      80    83 87 92          80    83 88 92    76 79 82
Temp             82 81 80 81 84 86 87 85 82 81 80 81 85 87 88 86 82 81 79 80 84
Dewpt            77 78 77 77 77 78 78 78 78 77 76 76 76 76 77 77 76 76 75 75 75
RH               85 91 91 88 80 77 75 80 88 88 88 85 75 70 70 75 82 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         20 19 18 19 19 18 18 17 18 18 17 17 14 13 13 14 14 17 14 13 12
Clouds           B1 SC FW SC SC B1 SC B1 SC SC SC B1 B1 B1 SC SC B1 B1 B2 B2 B1
PoP 12hr                     30          40          30          30          50
QPF 12hr              0.13-0.20        0.14   0.06-0.12        0.09        0.12
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS IS IS IS SC IS SC IS IS IS SC SC SC SC SC SC SC SC SC SC
Tstms
Obvis                         H     H     H  H  H
Heat index       91 89 85 87 94 99100 97 91 89 85 87 94 98 99 96 89 87 83 85 92
Max heat        103    95    99   106   106    94    98   105   104    92    96


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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    88      80    87      80    87      80    87
Temp          87 82   80 85 88 83   80 84 87 82   80 84 87 83   80 84 87 82
Dewpt         76 75   75 76 76 75   76 75 76 76   76 76 78 77   76 76 77 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   B1 B1 B1 SC   SC SC B1 SC   B1 SC SC SC   SC SC SC SC
PoP 12hr         50      50    50      40    40      40    20      20    20
Rain shwrs    SC SC   SC SC SC SC   IS SC SC SC   SC SC IS IS   IS IS IS IS

$$
PRZ013-170800-
Vieques-
Including the city of Vieques
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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                76 79 82    84 87 90    76 78 82    84 87 91    75 78 81
Temp             81 80 79 80 84 86 87 85 81 80 78 80 84 87 87 85 81 79 78 79 83
Dewpt            76 76 75 76 76 77 76 76 76 76 75 75 75 75 74 75 74 74 74 74 74
RH               85 88 88 88 77 75 70 75 85 88 91 85 74 68 65 72 79 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         19 18 17 18 18 17 17 17 17 17 17 17 14 13 14 16 14 16 13 13 12
Clouds           SC SC FW FW SC B1 FW B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B1
PoP 12hr                     20          40          30          30          40
QPF 12hr              0.04-0.14   0.06-0.15   0.04-0.11   0.03-0.09        0.10
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS SC IS SC IS IS IS SC IS IS SC SC IS IS SC SC SC
Tstms
Obvis                         H     H  H  H  H  H  H  H  H  H  H
Heat index       88 85 82 85 92 97 97 94 88 85 81 84 92 96 96 94 86 83    82 91
Max heat         98    91    96   102   101    91    96   102   101    90    94


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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      79    89      79    87      79    87      79    87
Temp          87 81   79 85 89 82   79 84 87 82   79 84 87 82   79 84 87 81
Dewpt         73 74   74 75 74 74   74 75 74 75   75 76 75 76   75 76 75 75
PWind dir         E       E    SE       E     E       E     E       E     E
Wind char        GN      GN    GN      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   B2 B2 B1 B1   SC B1 B1 SC   B1 SC SC SC   SC SC SC SC
PoP 12hr         50      50    50      40    40      40    10      30    30
Rain shwrs    SC SC   SC SC SC SC   SC SC SC SC   SC SC IS IS   IS IS SC IS

$$
VIZ001-170800-
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 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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 79 81    83 85 92    71 79 81    83 85 91    70 78 81
Temp             81 80 79 80 83 85 85 84 81 80 79 79 82 84 85 83 80 79 78 79 83
Dewpt            77 77 77 76 77 77 77 77 77 76 76 76 75 75 76 76 75 75 75 74 75
RH               88 91 94 88 82 77 77 80 88 88 91 91 79 74 75 80 85 88 91 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         20 19 19 20 20 19 19 17 18 18 17 17 14 14 14 14 14 17 14 12 13
Clouds           SC SC FW SC SC B1 SC SC SC SC SC B1 SC SC SC SC B1 B1 B2 B2 B1
PoP 12hr                     30          40          30          30          50
QPF 12hr              0.04-0.13   0.06-0.13        0.06        0.08        0.12
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS IS IS IS SC IS IS IS IS IS SC SC SC IS IS SC SC SC SC SC
Obvis                         H     H  H  H  H  H           H  H
Heat index       87 85 83 84 91 95 96 93 87 85 82 83 89 93 94 91 85 83 80 82 90
Max heat        101    94    99   108   107    94    98   103   102    91    96


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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      79    85      79    85      79    85      79    85
Temp          86 81   79 82 85 81   79 83 85 81   79 83 85 81   79 83 85 81
Dewpt         74 74   75 75 75 75   75 74 75 75   76 76 76 76   76 76 75 75
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC FW   B1 B1 B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr         40      40    40      30    30      20    20      20    20
Rain shwrs    SC SC   SC SC SC IS   IS SC SC IS   IS IS IS IS   IS IS IS IS

$$
VIZ002-170800-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 PM AST Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            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                76 79 82    84 86 93    76 79 82    84 88 95    75 78 81
Temp             81 80 79 80 83 86 86 85 81 80 79 80 84 87 88 86 81 80 78 79 83
Dewpt            76 77 76 76 77 77 77 77 76 76 75 75 75 76 76 75 74 75 75 74 75
RH               85 91 91 88 82 75 75 77 85 88 88 85 74 70 68 70 79 85 91 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 18 17 17 18 18 18 16 14 16 16 14 14 14 14 13 12 14 12 11 12
Clouds           SC CL FW FW FW SC FW SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     10          30          20          20          40
QPF 12hr                   0.04   0.07-0.13        0.04        0.04        0.07
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    IS IS IS SC IS SC IS IS IS IS IS IS IS IS IS IS SC SC IS
Tstms
Obvis                         H     H     H  H  H  H  H  H  H  H
Heat index       88 86 83 85 93 97 97 94 88 86 82 85 93 97 99 94 87 84    82 91
Max heat        101    92   100   109   106    92    99   109   107    90    97


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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      79    88      79    86      79    87      79    86
Temp          87 81   79 84 88 82   79 83 86 82   79 84 87 81   79 83 86 81
Dewpt         75 74   75 75 75 74   74 75 76 75   76 76 77 76   76 76 76 75
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    BZ      GN    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   SC SC B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         20      40    40      20    20      20    20      20    20
Rain shwrs    IS IS   IS SC SC IS   IS IS IS IS   IS IS IS IS   IS IS IS IS

$$