Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 150902
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 AM AST Tue Jul 15 2025

PRZ001-152000-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
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                81 88 91    73 77 82    79 87 90    72 77 82    81 88 92
Temp             83 87 88 85 80 78 77 78 83 86 87 85 80 79 77 78 84 87 88 85 80
Dewpt            75 76 77 77 76 76 75 75 76 77 77 77 76 76 76 75 77 77 77 78 76
RH               77 70 70 77 88 94 94 91 80 75 72 77 88 91 97 91 80 72 70 80 88
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 11 14 14 10  8  8  6 10 14 13 12  8  8  8  8 10 13 14 12  8
Wind gust              25 25    18
Clouds           SC SC B1 B2 B1 SC SC B1 B1 B2 B2 B2 SC SC SC SC SC SC SC SC CL
PoP 12hr                     60          50          60          30          20
QPF 12hr              0.29-0.68   0.14-0.28   0.65-0.86   0.02-0.11   0.12-0.17
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC NM SC IS IS SC SC SC NM NM SC SC IS IS IS IS IS IS
Tstms                     IS IS                IS IS
Obvis                                                             H  H  H  H  H
Heat index       90 97100 95 85 81       91 98 99 95 85 81    80 93100101 97 86
Max heat         94   109   108    92    97   108   105    91    99   110   109
Heat                 Y  Y


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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      75    88      76    89      76    89
Temp          77 84 89 80   76 83 88 80   76 84 89 80   77 84 89 81
Dewpt         75 76 76 75   75 75 76 75   74 76 76 75   74 75 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    CL FW SC FW   FW FW SC FW   FW FW SC SC   SC SC SC SC
PoP 12hr         10    10      10    40      10    20      10    30
Rain shwrs       IS IS IS   IS IS IS IS      IS IS IS   IS IS IS IS

$$
PRZ002-152000-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
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 90    67 77 82    75 85 90    66 77 82    75 86 91
Temp             82 85 85 83 79 78 77 77 82 84 85 83 80 78 77 78 82 85 86 84 79
Dewpt            74 75 76 76 75 75 74 74 75 76 76 76 75 75 75 75 76 77 76 76 75
RH               77 72 75 80 88 91 90 90 79 77 75 80 85 91 94 91 82 77 72 77 88
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 11 13 13 12 12 12 10 12 14 13 12  9 10 11 11 12 13 13 12  9
Wind gust                 25 24 24 24 21 24 25       19 21 21 23 24
Clouds           B1 B1 B1 B2 B2 B1 SC B1 B2 B2 B2 B2 B1 B1 SC SC B1 B1 SC SC CL
PoP 12hr                     60          60          60          50          40
QPF 12hr              0.35-0.69   0.25-0.31   0.82-0.88   0.03-0.12   0.13-0.20
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC NM SC IS SC SC NM NM NM SC SC IS IS SC SC IS IS
Tstms                     IS IS                IS IS
Obvis                                                                   H  H  H
Heat index       87 93 95 91 84 81       88 94 95 91 84 81    80 90 96 96 92 85
Max heat         96   103   104    93    97   105   104    92    99   107   106
Heat                 Y  Y


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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    86      75    86      76    86      76    86
Temp          76 82 86 79   76 82 86 79   76 82 86 79   76 82 86 80
Dewpt         74 75 75 74   73 74 74 73   74 75 75 74   73 74 74 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    CL FW SC SC   SC SC SC SC   SC SC SC SC   SC SC SC B1
PoP 12hr         20    30      30    30      30    20      30    50
Rain shwrs       IS IS IS   SC SC IS IS   SC IS IS IS   IS IS SC SC

$$
PRZ003-152000-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
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                76 87 93    69 76 82    76 86 93    69 76 82    77 87 93
Temp             82 86 87 84 80 78 76 77 82 85 86 84 80 78 76 78 83 86 87 84 79
Dewpt            74 75 75 76 75 75 75 74 75 76 76 76 75 75 75 75 76 77 76 77 75
RH               77 70 68 77 85 91 97 90 79 75 72 77 85 91 97 91 80 75 70 80 88
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 12 12 12 11  9 10  9 10 14 14 11  9  9 10 10 11 13 12 11  9
Wind gust        19 25 25 25 23 19 21       29 33 25       20 20 23 26 25 23
Clouds           FW FW SC SC SC SC SC SC B1 SC B2 B2 SC SC FW FW SC SC FW FW CL
PoP 12hr                     20          50          60          10          10
QPF 12hr              0.03-0.39   0.08-0.28   0.49-0.85   0.01-0.07   0.03-0.13
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS IS IS SC SC SC SC IS IS IS IS IS IS IS IS
Tstms                                          IS IS
Obvis                                                             H  H  H  H  H
Heat index       88 94 96 93 84 81       89 95 96 92 84 81    80 90 97 98 94 84
Max heat         96   108   107    92    97   108   107    92   100   110   109
Heat                 Y  Y


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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      75    86      75    86      76    87
Temp          76 83 87 79   75 82 86 79   76 82 86 79   76 82 87 80
Dewpt         74 75 75 74   73 74 75 74   74 75 75 74   74 73 72 73
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      LT    GN      LT    GN      GN    GN
Avg clouds    CL FW FW FW   FW FW SC SC   B1 SC FW FW   SC FW FW SC
PoP 12hr          0     0      10    30      30    10      10    10
Rain shwrs          IS         IS IS IS   SC IS IS IS   IS IS IS IS

$$
PRZ004-152000-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
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 91    69 74 76    75 83 89    69 74 77    75 84 91
Temp             79 83 84 82 77 75 74 74 79 82 83 81 77 75 74 75 80 83 84 82 77
Dewpt            73 73 74 74 73 73 73 73 74 75 75 74 73 73 73 73 75 75 75 75 74
RH               82 72 72 77 87 94 97 97 85 79 77 79 87 94 97 94 85 77 74 79 90
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          8 11 12 11  8  5  6  4  6 11 11 10  5  5  6  6  9 11 11 11  5
Clouds           FW FW B1 B1 SC SC SC SC B1 SC B2 B2 FW FW FW FW SC SC SC SC CL
PoP 12hr                     30          40          60          10          10
QPF 12hr              0.06-0.58   0.09-0.29   0.59-0.85   0.00-0.07   0.10-0.19
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC SC IS IS IS IS SC IS NM NM IS IS       IS IS IS IS
Tstms                                          IS IS
Obvis                                                             H  H  H  H  H
Heat index       82 90 92 87             83 89 91 86             85 92 92 88
Max heat         93   105   104    87    93   103   102    86    96   105   103
Heat                 Y  Y


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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    85      72    85      72    85      73    85
Temp          73 80 85 76   72 79 85 76   73 80 85 77   73 80 85 77
Dewpt         73 74 73 73   72 73 74 72   72 74 73 72   72 73 72 72
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    CL FW FW FW   FW FW SC SC   SC SC SC SC   SC FW FW SC
PoP 12hr          0     0      10    30      10    20      10    20
Rain shwrs          IS      IS IS IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ005-152000-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                83 88 92    72 76 82    82 87 92    72 76 82    83 88 93
Temp             82 87 88 85 80 78 76 77 83 86 87 84 79 78 76 77 83 87 88 85 80
Dewpt            75 77 78 77 76 75 75 74 77 78 78 78 76 76 75 75 77 78 79 78 77
RH               79 72 72 77 88 91 97 90 82 77 75 82 91 94 97 94 82 75 75 80 91
Wind dir          E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E  E  E
Wind spd          9 12 18 18 12  8  6  6 10 17 17 16 11  9  6  8 10 13 16 14 10
Wind gust           23 33 34 23             28 29 28 24             24 28 26 20
Clouds           FW FW B1 B1 SC SC SC SC SC SC B2 B1 SC SC SC SC SC SC SC SC FW
PoP 12hr                     40          20          50          20          10
QPF 12hr              0.19-0.59   0.04-0.23   0.50-0.81   0.02-0.11   0.11-0.59
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS IS
Tstms                  IS                      IS IS
Obvis                                                             H  H  H  H  H
Heat index       89 98101 95 84          91 99101 95 84          93101104 97 85
Max heat         96   115   112    92    98   113   112    91   101   116   115
Heat                 Y  Y


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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      74    87      74    89      75    89
Temp          76 83 88 79   75 82 87 79   75 83 89 79   76 83 89 80
Dewpt         75 77 78 76   75 76 78 76   74 76 78 76   74 76 77 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW FW FW   FW FW FW FW   FW FW FW SC   CL FW SC SC
PoP 12hr          5     5       5    10       5    20       5    20
Rain shwrs    IS    IS IS   IS    IS IS         IS IS      IS IS IS

$$
PRZ006-152000-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
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 83 93    62 72 76    75 82 92    62 72 77    75 83 92
Temp             78 82 83 80 75 74 72 73 78 81 82 80 76 74 72 73 79 82 83 80 75
Dewpt            71 73 74 73 72 72 71 71 73 74 74 74 72 72 72 72 73 74 75 74 73
RH               79 74 74 79 90 93 97 93 85 79 77 82 87 93100 97 82 77 77 82 94
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 10 11 11  6  4  4  4  5 11 12 10  5  4  5  5  8 10 11  9  5
Wind gust           24 24 25                28 33 25                25 25 21
Clouds           FW FW SC SC FW FW FW FW SC FW B1 B1 FW FW FW FW FW FW SC SC CL
PoP 12hr                     30          20          50           5          10
QPF 12hr              0.03-0.38   0.03-0.15   0.44-0.74        0.01   0.10-0.58
Snow 12hr                    MM          MM          MM
Rain shwrs             SC IS IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS
Tstms                  IS                      IS IS
Obvis                                                             H  H  H  H  H
Heat index       80 86 88 84             81 86 88 83             82 88 89 85
Max heat         93   106   105    85    94   105   104    86    96   107   105


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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      70    82      71    83      71    84
Temp          72 79 84 75   71 77 82 74   71 78 83 75   72 79 84 76
Dewpt         71 73 74 72   71 72 74 72   71 73 73 71   71 71 72 71
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    CL CL FW FW   CL CL FW FW   FW FW FW FW   CL CL FW SC
PoP 12hr          0    10       0    40       0    10       0    30
Rain shwrs          IS IS         IS IS         IS IS         IS IS

$$
PRZ007-152000-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                75 88 94    64 76 82    75 87 94    64 76 82    75 87 94
Temp             82 87 88 85 79 78 76 77 83 86 87 85 80 78 76 77 83 86 87 85 79
Dewpt            71 72 73 74 73 72 72 70 72 73 74 75 73 72 72 71 73 74 75 75 74
RH               69 61 61 70 82 82 87 79 70 65 65 72 79 82 87 82 72 68 68 72 85
Wind dir          E SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E SE  E  E
Wind spd          8 12 12 13 10  6  4  4  5 13 16 12  9  6  6  5  8 13 12 11  8
Wind gust           26 27 27 26             29 34 28 23          20 28 27 24 21
Clouds           CL CL SC FW FW FW FW FW FW FW B1 B1 SC SC SC SC FW FW B1 B1 FW
PoP 12hr                     10           5          50          10          40
QPF 12hr              0.03-0.46   0.02-0.10   0.39-1.09   0.00-0.11   0.12-0.88
Snow 12hr                    MM          MM          MM
Rain shwrs             IS IS IS IS    IS IS IS SC SC IS IS IS IS       SC SC IS
Tstms                                          IS IS                   IS IS
Obvis                                                             H  H  H  H  H
Heat index       86 93 95 92 83          88 94 96 92 84 80       88 94 97 93 84
Max heat         94   107   107    91    97   109   108    92    98   109   108
Heat                 Y  Y


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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      74    86      75    87      75    88
Temp          76 83 88 79   75 81 86 79   75 82 87 79   75 83 88 79
Dewpt         72 72 74 73   71 72 74 73   71 72 73 72   71 70 71 72
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW FW SC   CL CL FW SC   FW FW FW FW   CL CL FW SC
PoP 12hr          0    40       0    40       0     5       0    20
Rain shwrs    IS    SC SC         IS IS            IS         IS IS
Tstms                  IS

$$
PRZ008-152000-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                83 86 93    70 74 82    83 86 93    70 74 82    83 87 94
Temp             81 85 86 83 78 76 75 76 81 85 86 83 78 76 75 76 82 86 87 84 78
Dewpt            73 75 76 75 75 74 74 73 75 76 77 76 75 74 74 73 75 76 78 76 76
RH               77 72 72 77 91 94 97 90 82 75 75 80 91 94 97 90 79 72 75 77 94
Wind dir          E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E  E  E
Wind spd          9 11 16 18 13 10  6  8 12 18 18 17 14 11 10  9 11 12 14 12 10
Wind gust           21 32 34 24             28 29 28 26 21 20       23 27 25 20
Clouds           CL CL B2 B2 SC SC SC FW FW FW B2 B2 B1 B1 SC SC FW FW B1 B1 SC
PoP 12hr                     60          20          50          40          40
QPF 12hr              0.34-1.30   0.04-0.12   0.50-0.92   0.04-0.13   0.44-0.88
Snow 12hr                    MM          MM          MM
Rain shwrs             NM NM IS IS IS IS IS IS SC SC SC SC SC SC       SC SC SC
Tstms                  IS IS                   IS IS                   IS IS
Obvis                                                             H  H        H
Heat index       85 93 97 91 80          87 95 97 91 80          88 96 99 93 81
Max heat         95   110   111    91    98   112   111    91    99   115   114
Heat                 Y  Y


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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    86      73    86      73    86      73    87
Temp          75 82 86 78   74 81 86 77   74 81 86 78   74 81 87 78
Dewpt         74 75 77 75   73 74 76 75   73 74 77 75   73 74 76 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    LT      LT    GN      LT    GN
Avg clouds    SC FW FW SC   FW FW FW SC   FW FW SC SC   CL CL FW SC
PoP 12hr         30    20       5    40       5    50       0    20
Rain shwrs    SC    IS IS         SC IS   IS IS SC SC         IS IS
Tstms                                              IS

$$
PRZ009-152000-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
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 94    65 72 76    75 83 93    65 72 76    75 84 93
Temp             78 83 84 81 76 74 72 73 78 82 83 80 75 74 72 73 79 83 84 81 75
Dewpt            70 72 74 73 72 72 71 69 73 74 75 73 73 72 71 70 73 74 75 74 74
RH               76 70 72 77 87 93 97 87 85 77 77 79 94 93 97 90 82 74 74 79 97
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          5  6  6  8  6  4  3  3  5 11  9  8  6  5  5  4  5  8  6  5  4
Wind gust           25 26 26 24             27 31 19 19             27 25 20
Clouds           CL CL B2 B2 FW FW FW FW FW FW B2 OV B1 B1 SC SC CL CL B2 B2 SC
PoP 12hr                     60           5          70          40          50
QPF 12hr              0.08-1.29   0.02-0.08   0.54-1.78   0.01-0.18   0.29-1.03
Snow 12hr                    MM          MM          MM
Rain shwrs             SC NM IS IS IS          NM NM SC SC SC SC       SC SC IS
Tstms                  IS IS                   IS IS IS IS             IS IS
Obvis                                                             H  H        H
Heat index       80 87 91 85             80 88 90 84             82 89 91 85
Max heat         92   106   105    86    94   107   107    86    94   108   106


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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      70    83      71    83      71    84
Temp          72 79 84 75   71 78 83 75   71 78 83 75   71 79 84 75
Dewpt         71 72 75 73   71 72 74 72   71 72 74 72   71 71 73 72
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW SC   CL CL SC B1   FW FW FW SC   CL CL SC B1
PoP 12hr         10    50       0    70       0    40       0    70
Rain shwrs    IS    NM NM         SC SC         SC SC         NM IS
Tstms               IS IS         IS IS            IS         IS IS

$$
PRZ010-152000-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
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                76 89 94    70 75 82    77 88 94    70 75 82    77 89 94
Temp             82 87 89 85 79 77 75 76 83 87 88 85 79 77 75 76 83 88 89 85 79
Dewpt            72 74 77 76 76 75 73 72 75 76 78 77 76 75 74 72 75 77 78 77 77
RH               72 65 68 75 91 94 94 87 77 70 72 77 91 94 97 87 77 70 70 77 94
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  6  6  8  8  5  6  6 10  9 10  9  9  8  6  6  6  6  6  8
Wind gust        21 17 20 23 18 26 19 19 19 25 24 24 21 23 25 23 20 19 18 20 18
Clouds           CL FW B1 B2 SC SC SC FW FW FW B2 OV B2 B2 B2 B2 FW FW B2 B2 SC
PoP 12hr                     60          20          80          70          70
QPF 12hr              0.04-1.30   0.02-0.13   0.38-1.78   0.11-0.19   0.59-1.03
Snow 12hr                    MM          MM          MM
Rain shwrs             NM NM IS IS IS          NM  D NM NM NM NM       NM NM SC
Tstms                  IS IS                   IS IS IS IS IS IS       IS IS
Obvis                                                             H  H        H
Heat index       88 97101 95 82          89 98101 95 82          91 99103 96 83
Max heat         94   112   112    91    97   114   112    91    98   116   114
Heat                 Y  Y


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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    89      74    88      74    88      74    89
Temp          75 83 89 79   75 82 88 79   75 82 88 79   75 83 89 79
Dewpt         74 74 77 75   73 74 77 75   73 74 77 75   73 74 77 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW SC   FW FW SC B1   FW FW FW SC   FW FW FW B1
PoP 12hr         30    60       0    80       5    50       0    60
Rain shwrs    SC IS NM NM         SC SC   IS IS NM NM   IS    NM NM
Tstms               IS IS         IS IS         IS IS         IS IS

$$
PRZ011-152000-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                83 91 94    71 75 82    83 91 94    71 76 82    83 91 94
Temp             85 90 91 87 81 78 76 77 85 90 91 87 81 78 76 77 85 90 91 87 81
Dewpt            72 75 76 76 76 74 73 71 74 76 77 77 76 74 73 72 74 77 77 77 77
RH               65 62 62 70 85 88 90 82 70 64 64 72 85 88 90 85 70 66 64 72 88
Wind dir          E SE SE SE  E  E  E  E  E SE SE  E  E  E  E  E  E  E SE  E  E
Wind spd          8 14 16 14 16 11  8  5  3 12 17 11 13 11 10  8  9 16 16 11 12
Wind gust           29 32 31 33 27 19       32 36 25 27 27 24 20 20 32 34 25 26
Clouds           CL FW SC SC SC FW FW SC CL CL B1 B2 B1 B1 B1 B1 FW FW B2 B2 SC
PoP 12hr                     10          10          60          50          50
QPF 12hr              0.03-0.29        0.04   0.36-1.70   0.06-0.18   0.59-1.03
Snow 12hr                    MM          MM          MM
Rain shwrs             IS IS IS IS    IS       SC NM SC SC SC SC IS IS SC SC IS
Tstms                                          IS IS IS IS             IS IS
Obvis                                                             H  H        H
Heat index       90100103 98 86          92102105 99 87          93103105 99 87
Max heat         94   109   108    92    97   110   110    92    97   112   111
Heat                 Y  Y


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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    91      74    90      75    90      75    91
Temp          76 85 91 80   75 84 90 80   76 84 90 80   76 85 91 80
Dewpt         73 74 77 76   72 73 76 75   72 74 76 75   72 72 73 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC FW SC SC   FW FW FW SC   FW FW FW FW   CL CL FW SC
PoP 12hr         20    70       0    40       5     5       0    20
Rain shwrs    IS IS NM NM   IS    SC SC   IS IS IS            IS IS
Tstms               IS IS

$$
PRZ012-152000-
Culebra-
Including the city of Culebra
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                83 87 92          80    83 87 92          80    83 87 92
Temp             84 87 87 86 82 81 80 80 84 87 87 86 82 81 80 81 85 87 87 86 82
Dewpt            76 77 77 77 77 77 76 76 77 78 77 77 77 77 77 77 77 78 78 78 77
RH               77 72 72 75 85 88 88 88 80 75 72 75 85 88 91 88 77 75 75 77 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         17 16 19 20 21 21 21 19 20 20 19 18 18 19 19 19 20 19 18 16 16
Clouds           B1 B2 B2 B2 B2 B2 SC B1 B2 B2 B2 B2 B2 B2 SC SC B1 B1 SC SC FW
PoP 12hr                     60          60          60          50          40
QPF 12hr                   0.49        0.32        0.88        0.12        0.19
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC NM SC IS SC NM NM NM NM SC SC IS IS SC SC IS IS
Tstms                        IS                IS IS
Obvis                                                                   H  H  H
Heat index       93 99 99 97 91 88 84 86 93 99 99 96 91 89 85 87 95 99100 97 90
Max heat         97   106   107    93    98   106   106    93    99   106   106


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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    87      79    87      80    87      80    88
Temp          80 84 87 82   80 84 87 82   80 85 87 82   80 85 88 83
Dewpt         76 76 76 76   75 75 76 75   75 75 77 76   75 76 76 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    FW FW SC SC   B1 B1 SC SC   B1 B1 SC SC   SC SC B1 B1
PoP 12hr         20    40      40    50      50    20      40    50
Rain shwrs       IS IS SC   SC SC SC SC   SC SC IS IS   IS SC SC SC

$$
PRZ013-152000-
Vieques-
Including the city of Vieques
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                83 87 91    75 79 82    83 87 90    75 79 82    83 87 91
Temp             84 86 87 85 81 80 79 80 84 86 87 85 81 80 79 80 84 87 87 85 81
Dewpt            75 75 75 76 75 75 75 75 75 75 75 76 75 76 76 75 76 77 76 76 75
RH               74 70 68 75 82 85 88 85 74 70 68 75 82 88 91 85 77 72 70 75 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         16 14 18 19 20 20 20 18 19 20 19 18 17 18 19 19 19 18 18 16 16
Clouds           B1 B2 B1 B1 B2 B2 SC B1 B2 B2 B2 B2 B2 B2 SC SC B1 B1 SC SC CL
PoP 12hr                     60          60          60          50          40
QPF 12hr                   0.40        0.31        0.88        0.12        0.20
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC NM SC IS SC NM NM NM NM SC SC IS IS SC SC IS IS
Tstms                        IS                IS IS
Obvis                                                                   H  H  H
Heat index       91 96 96 94 88 85 81 83 92 96 97 94 88 85 82 84 93 98 98 95 88
Max heat         94   103   102    91    95   102   101    92    96   104   102


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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    87      78    87      79    87      78    87
Temp          78 84 87 81   78 83 87 82   79 84 87 81   79 84 87 82
Dewpt         75 75 74 74   74 75 73 74   74 74 74 74   74 75 74 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    CL FW SC SC   B1 B1 SC SC   B2 B1 SC SC   SC B1 B1 B1
PoP 12hr         20    40      40    50      50    30      40    60
Rain shwrs       IS IS SC   SC SC SC SC   SC SC IS IS   SC SC SC NM

$$
VIZ001-152000-
St.Thomas...St. John...and Adjacent Islands-
Including the cities of Anna`s Retreat, Charlotte Amalie,
Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                83 86 92    71 79 82    83 86 92    71 79 82    83 86 92
Temp             83 85 86 84 81 80 79 79 83 85 86 84 81 80 79 79 83 85 86 84 81
Dewpt            75 76 76 77 76 76 76 76 76 76 76 77 76 77 76 76 77 77 76 77 76
RH               77 75 72 80 85 88 91 91 80 75 72 80 85 91 91 91 82 77 72 80 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         18 20 19 20 21 23 21 20 20 20 19 18 19 20 20 19 20 19 18 17 17
Clouds           B1 B2 B1 B1 B2 B1 SC B1 B2 B2 B2 B2 B1 B1 SC SC B1 B1 SC SC SC
PoP 12hr                     50          50          60          40          40
QPF 12hr              0.35-0.45        0.32   0.71-0.78        0.11   0.20-0.35
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC SC SC SC SC SC NM SC SC SC SC IS IS SC SC IS IS IS
Tstms                                          IS IS
Obvis                                                                   H  H  H
Heat index       90 94 95 93 87 84 82 83 90 94 96 93 87 84 82 84 91 95 96 94 87
Max heat         98   107   108    93    99   106   106    92   100   107   107


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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    85      78    86      79    86      78    86
Temp          78 83 85 81   78 83 86 81   79 83 86 81   78 83 86 81
Dewpt         76 75 75 75   75 75 74 75   75 75 75 75   75 75 75 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    GN      GN    GN      BZ    BZ      BZ    BZ
Avg clouds    SC SC SC SC   B1 B1 SC FW   B1 B1 SC SC   SC SC SC SC
PoP 12hr         10    40      40    40      40    20      30    40
Rain shwrs    IS IS IS SC   SC SC SC SC   SC SC IS IS   IS SC SC SC

$$
VIZ002-152000-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 AM AST Tue Jul 15 2025

Date             Tue 07/15/25            Wed 07/16/25            Thu 07/17/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                83 87 94    76 79 82    83 87 93    76 79 82    83 87 94
Temp             83 86 87 85 81 80 79 80 83 86 87 85 81 80 79 80 84 86 87 85 81
Dewpt            75 76 76 76 76 76 76 75 76 76 76 76 76 77 76 76 77 77 76 76 75
RH               77 72 70 75 85 88 91 85 80 72 70 75 85 91 91 88 80 75 70 75 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         13 16 16 17 19 20 19 17 17 18 18 17 14 17 17 17 18 19 18 16 14
Clouds           SC B1 B1 B1 B1 SC SC B1 B1 B1 B2 B2 SC SC CL CL SC SC SC SC CL
PoP 12hr                     50          50          60          30          30
QPF 12hr              0.31-0.40        0.27   0.69-0.79        0.06   0.19-0.33
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC SC SC SC SC SC SC NM NM SC SC       SC SC IS IS
Tstms                                          IS IS
Obvis                                                                   H  H  H
Heat index       91 96 97 94 88 85 81 84 92 96 97 94 88 86 82 85 93 97 98 94 88
Max heat         98   107   106    92    98   107   105    92   101   108   106


Date          Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    87      78    87      79    87      79    87
Temp          79 84 87 81   78 83 87 82   79 84 87 81   79 84 87 82
Dewpt         75 75 75 74   75 75 74 74   75 75 75 74   74 75 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    BZ      GN    BZ
Avg clouds    CL FW SC SC   B1 B1 SC SC   SC FW FW SC   SC SC SC SC
PoP 12hr         10    40      40    20      10    10      20    40
Rain shwrs       IS IS SC   SC SC IS IS   IS IS IS IS   IS IS IS SC

$$