Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 080836
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
436 AM AST Wed Oct 8 2025

PRZ001-082015-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                82 90 93    72 76 83    82 89 92    72 76 83    82 89 92
Temp          76 84 89 90 83 80 78 77 76 83 88 89 83 80 78 77 76 83 88 89 83 80
Dewpt         74 76 77 77 77 76 76 75 74 76 77 77 77 76 75 75 74 76 77 77 77 76
RH            94 77 68 66 82 88 94 94 94 80 70 68 82 88 91 94 94 80 70 68 82 88
Wind dir      SE SE SE SE SE SE SE SE  S SE  E  E  E  E  E  E  S SW  W NW  W SW
Wind spd       3  4  8 11  9  5  4  3  4  5  8  6  4  2  1  2  2  2  1  2  2  2
Clouds        SC SC SC SC B1 SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC B2 B2 B1
PoP 12hr                     50          30          50          30          60
QPF 12hr              0.28-0.38   0.14-0.29   0.42-0.67        0.04   0.69-0.74
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS IS SC IS IS SC SC SC SC SC SC SC SC SC SC IS IS NM NM SC
Tstms                     IS                   IS IS
Heat index       92102103 92 85 81       92100102 91 84 80       92101102 91 84
Max heat         99   112   110    94    98   112   108    94    98   113   109


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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      76    90      76    90      76    89
Temp          77 83 89 80   77 84 90 80   77 84 90 80   77 84 89 80
Dewpt         75 76 77 75   75 76 76 75   74 76 76 75   74 76 76 75
PWind dir         S    SE      SE    SE      SE     E      SE    SE
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B1 B1 B1 B1   SC SC SC SC   FW SC SC SC   FW FW SC FW
PoP 12hr         40    60      50    50      40    40      20    20
Rain shwrs    SC SC NM NM   IS SC SC IS   IS SC SC IS   IS IS IS IS
Tstms                             IS IS            IS

$$
PRZ002-082015-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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 87 92    67 76 83    75 87 92    66 75 83    75 88 92
Temp          75 82 86 87 82 79 78 77 76 82 86 87 81 79 77 76 75 82 87 88 82 79
Dewpt         74 75 76 76 76 75 75 74 75 76 76 75 76 74 75 74 74 75 76 76 76 74
RH            97 79 72 70 82 88 91 90 97 82 72 68 85 85 94 94 97 79 70 68 82 85
Wind dir      SE SE SE SE SE SE SE SE SE SE  E SE  E  E NE NE NE SW SW SW SW SW
Wind spd       2  4  8 10 10  8  6  5  6  8  8  8  5  2  2  3  2  1  2  3  3  2
Wind gust                    18
Clouds        B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1
PoP 12hr                     50          50          50          40          60
QPF 12hr              0.26-0.39   0.24-0.38   0.29-0.68        0.09   0.30-0.75
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 NM NM SC
Tstms         IS IS       IS                   IS IS
Heat index       89 97 98 89 83 80       90 97 97 88 82          89 97 98 89 82
Max heat         98   109   106    95    98   108   106    94    96   109   107


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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    87      76    88      75    88      76    87
Temp          76 82 87 79   77 82 88 79   76 82 88 79   77 82 87 79
Dewpt         74 75 76 74   74 75 75 74   74 75 75 74   74 75 75 74
PWind dir         S     S      SE    SE       E     E       E    SE
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B1 B1 B1 B2   SC SC SC FW   FW SC SC FW   CL FW SC CL
PoP 12hr         40    60      50    50      40    40      20    20
Rain shwrs    SC SC SC SC   SC SC SC IS   IS SC SC IS      IS IS

$$
PRZ003-082015-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                77 87 91    69 75 83    77 87 92    69 75 83    77 87 91
Temp          75 82 86 87 81 79 77 76 75 82 86 87 81 79 77 76 75 82 86 87 81 79
Dewpt         74 76 77 76 77 75 75 74 74 76 76 76 77 74 75 74 73 75 76 76 77 75
RH            97 82 75 70 88 88 94 94 97 82 72 70 88 85 94 94 94 79 72 70 88 88
Wind dir       E  E SE SE SE  E  E NE NE  E SE SE SE NE NE  N  N NW  S SW SW SW
Wind spd       3  4  6  8  6  5  4  4  5  6  8  5  4  2  3  3  3  1  4  6  4  3
Clouds        SC B1 SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     40          40          30          30          40
QPF 12hr              0.10-0.28   0.22-0.33        0.27   0.02-0.09   0.11-0.44
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC IS IS IS IS SC SC SC IS IS SC SC SC SC SC SC IS IS SC SC SC
Tstms            IS
Heat index       88 96 97 88 82          89 97 98 88 81          88 97 98 88 82
Max heat         96   108   106    95    97   108   106    94    96   108   106


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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    86      76    87      75    87      75    87
Temp          76 81 86 79   77 82 87 79   76 82 87 79   76 82 87 79
Dewpt         74 76 76 74   74 75 75 74   73 75 76 74   74 75 75 74
PWind dir         S    SE       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC B1 B1   SC SC SC FW   FW FW SC FW   CL FW SC CL
PoP 12hr         30    50      40    40      30    30      20    20
Rain shwrs    SC SC SC SC   SC SC IS IS   IS IS IS IS      IS IS

$$
PRZ004-082015-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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 86 92    69 72 77    76 86 92    68 72 76    77 86 92
Temp          72 80 85 86 79 77 75 73 72 80 85 86 79 76 74 73 72 80 85 86 79 76
Dewpt         72 74 75 75 75 73 73 72 72 74 75 75 75 73 73 72 72 74 75 75 75 73
RH           100 82 72 70 88 87 94 97100 82 72 70 88 90 97 97100 82 72 70 88 90
Wind dir      SE SE SE SE SE SE SE SE SE SE SE SE SE NE  N  N NW  W SW SW SW  S
Wind spd       2  3  6  9  6  4  3  3  4  5  8  6  3  1  1  1  2  1  2  3  2  2
Clouds        SC SC SC SC SC SC SC B1 B1 SC SC SC B1 SC SC SC SC SC SC B2 B2 SC
PoP 12hr                     30          40          40          30          60
QPF 12hr              0.13-0.37   0.19-0.32   0.25-0.51   0.01-0.09   0.16-0.74
Snow 12hr                    MM          MM          MM
Rain shwrs    SC IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC IS IS NM NM SC
Tstms            IS                               IS
Heat index       84 93 94 83             84 93 94 82             84 94 95 83
Max heat         96   108   106    87    96   108   105    85    95   110   106


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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          72    85      73    86      72    86      72    86
Temp          73 80 85 77   74 80 86 77   73 80 86 77   73 80 86 76
Dewpt         72 74 75 73   72 74 74 72   72 74 74 72   72 74 74 72
PWind dir         S     S      SE    SE       E     E       E    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC B1 B1   SC SC SC FW   FW FW SC FW   CL FW SC FW
PoP 12hr         30    60      50    50      30    30      20    20
Rain shwrs    SC SC SC NM   SC SC SC IS   IS IS IS IS      IS IS

$$
PRZ005-082015-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                85 90 93    72 75 83    85 89 92    72 75 83    85 89 92
Temp          74 83 89 90 83 79 77 76 75 83 88 89 82 79 77 76 75 83 88 89 82 79
Dewpt         73 76 78 79 77 76 75 74 73 76 78 79 77 76 76 74 73 76 78 78 77 76
RH            97 80 70 70 82 91 94 94 94 80 72 73 85 91 97 94 94 80 72 70 85 91
Wind dir      SE SE  E  E  N  S  S  S  S SE  E NE NE SE SE SE SE  S NW NW NW SW
Wind spd       3  3  5  8  3  4  3  3  3  4  4  4  3  2  1  2  3  2  2  4  4  2
Clouds        FW FW SC B1 B2 SC FW FW SC SC SC B2 B2 SC SC SC SC SC SC B2 B2 SC
PoP 12hr                     60          30          50          20          60
QPF 12hr              0.35-1.28   0.08-0.16   0.42-1.06        0.02   0.68-0.73
Snow 12hr                    MM          MM          MM
Rain shwrs    IS    IS SC NM SC IS IS IS IS IS SC SC IS IS IS IS IS IS NM NM IS
Tstms                  IS IS                   IS IS
Heat index       92103105 91 83          91102104 90 82          91102104 90 82
Max heat         99   112   111    94    98   116   111    94    98   115   110


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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    90      75    90      74    90      75    90
Temp          75 83 90 79   76 83 90 79   75 83 90 79   76 83 90 79
Dewpt         74 76 78 76   74 76 77 75   74 76 77 75   74 76 77 75
PWind dir         S    SE      SE     E      SE     E      SE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   SC SC SC SC   SC SC SC B1   SC SC FW SC
PoP 12hr         20    60      20    60      40    60      40    20
Rain shwrs    IS IS IS IS   IS IS IS SC   SC SC NM NM   SC SC IS IS
Tstms                             IS IS   IS IS IS IS

$$
PRZ006-082015-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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 91    63 72 76    75 83 91    63 72 75    75 83 91
Temp          72 78 82 83 78 75 74 73 72 78 82 83 77 75 74 72 72 78 82 83 78 75
Dewpt         70 73 74 74 74 72 72 71 70 73 74 74 74 72 72 71 70 73 74 74 74 72
RH            93 85 77 74 88 90 93 93 93 85 77 74 90 90 93 97 93 85 77 74 88 90
Wind dir      SE SE SE SE  S SE SE SE SE SE SE SE SE NE NE NE  E SW SW SW SW  S
Wind spd       2  3  4  5  3  3  2  2  2  4  5  3  2  1  1  1  2  1  2  4  2  1
Clouds        SC FW SC SC B1 SC SC SC SC SC SC B1 B1 SC SC FW FW FW FW B2 B2 SC
PoP 12hr                     50          20          50          10          60
QPF 12hr              0.08-0.95   0.10-0.22   0.23-0.95        0.01   0.15-0.70
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS IS SC IS IS IS IS IS IS SC SC IS IS IS IS IS IS NM NM IS
Tstms                  IS IS                   IS IS
Heat index       81 88 90 80             81 88 89 80             81 88 89 80
Max heat         95   109   107    85    95   108   105          94   107   104


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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          72    83      72    83      71    83      72    83
Temp          73 78 83 75   73 78 83 75   72 78 83 75   73 78 83 75
Dewpt         71 73 73 72   71 72 73 71   70 72 72 71   71 72 72 71
PWind dir         S     S      SE    SE       E     E       E    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   SC SC FW SC   FW FW FW SC   FW FW FW FW
PoP 12hr         10    60      20    30      20    30      10     5
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms                                IS            IS

$$
PRZ007-082015-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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 87 93    64 75 83    75 87 92    64 75 83    75 87 92
Temp          75 82 86 87 81 79 77 76 75 82 86 87 81 79 77 76 75 82 86 87 81 79
Dewpt         71 73 75 75 75 74 73 72 71 73 74 75 75 74 73 72 71 73 74 75 75 74
RH            87 74 70 68 82 85 87 87 87 74 68 68 82 85 87 87 87 74 68 68 82 85
Wind dir      NE  E SE SE SE  E NE NE NE  E SE SE SE NE NE NE NE NE  S SW SW  S
Wind spd       3  3  6  6  5  4  4  3  3  5  8  5  3  2  3  1  2  1  4  5  4  1
Clouds        FW FW FW FW SC SC SC SC SC SC SC B1 B1 FW FW FW FW FW FW B1 B1 FW
PoP 12hr                     20          20          50           5          40
QPF 12hr              0.05-0.24   0.08-0.23   0.22-1.00        0.01   0.11-0.65
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS IS IS IS IS IS IS IS IS SC SC IS IS IS IS       SC SC IS
Tstms                                          IS IS
Heat index       88 95 96 88 83          88 95 97 88 82          87 95 96 88 83
Max heat         96   109   107    95    96   109   107    94    95   108   105


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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    86      76    87      75    87      75    87
Temp          76 82 86 79   77 82 87 79   76 82 87 79   76 82 87 79
Dewpt         72 73 74 73   72 73 74 73   71 72 74 73   71 72 74 73
PWind dir        SE    SE       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC B1   SC SC FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr          5    50      20    20      20    20       5     5
Rain shwrs    IS IS SC SC   IS IS IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ008-082015-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                85 88 93    70 73 83    85 87 92    70 74 83    85 87 92
Temp          74 82 87 88 81 78 76 74 73 81 86 87 81 78 76 75 74 81 86 87 81 78
Dewpt         71 74 76 77 76 74 74 72 72 74 76 76 75 75 74 73 72 74 76 76 75 74
RH            90 77 70 70 85 88 94 93 97 79 72 70 82 91 94 94 93 79 72 70 82 88
Wind dir      SE SE NE NE NE  S SE SE SE SE NE NE  N  E  E SE SE  S  W  W  W  S
Wind spd       3  3  3  5  4  1  2  2  3  4  2  5  4  1  2  2  2  2  4  6  5  2
Clouds        FW CL SC B2 B2 SC FW FW FW FW SC B2 B2 FW FW FW FW SC SC B1 B1 FW
PoP 12hr                     60          30          60          10          50
QPF 12hr              1.00-1.28        0.08   0.80-1.09        0.01   0.12-0.69
Snow 12hr                    MM          MM          MM
Rain shwrs          IS SC NM SC       IS IS IS NM NM IS IS IS IS IS IS SC SC IS
Tstms                  IS IS                   IS IS
Heat index       87 98100 87             86 96 98 86             87 97 98 86
Max heat         95   112   108    93    95   110   107    93    95   110   106


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          74    87      74    88      73    87      73    88
Temp          75 81 87 78   75 81 88 78   74 81 87 78   74 82 88 78
Dewpt         73 74 76 74   73 74 76 74   72 73 76 75   72 74 75 74
PWind dir         S     S      SE     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC SC   SC SC SC B1   B1 SC SC B1   SC SC FW SC
PoP 12hr          5    20      20    60      60    60      40    20
Rain shwrs    IS IS IS IS   IS IS NM NM   SC SC NM NM   SC SC IS IS
Tstms                             IS IS   IS IS IS IS

$$
PRZ009-082015-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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 93    67 72 76    75 85 92    66 72 75    75 84 92
Temp          72 79 84 85 79 76 74 73 72 79 84 85 79 76 74 73 72 79 83 84 79 76
Dewpt         70 72 74 74 73 72 72 71 69 72 73 74 73 72 72 71 70 72 74 74 73 72
RH            93 79 72 70 82 87 93 93 90 79 70 70 82 87 93 93 93 79 74 72 82 87
Wind dir      SE SE SE SE SE SE SE SE SE SE  E SE  E  E  E  E SE SE SW  W SW  S
Wind spd       2  2  3  3  2  3  3  2  2  3  4  2  2  2  2  1  2  1  3  4  3  1
Clouds        FW CL SC B1 B2 SC FW FW FW FW SC B2 B2 FW FW FW FW FW FW B2 B2 FW
PoP 12hr                     60          30          60           0          50
QPF 12hr              0.06-1.24        0.09   0.55-1.10           0   0.13-0.68
Snow 12hr                    MM          MM          MM
Rain shwrs          IS SC NM SC IS IS IS IS IS NM NM                   SC SC
Tstms                  IS IS                   IS IS
Heat index       82 91 92 81             82 90 92 81             82 90 91 81
Max heat         96   112   108    87    94   110   107    84    94   109   106


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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          72    84      72    85      72    84      72    85
Temp          73 79 84 76   73 79 85 76   73 79 84 76   73 79 85 76
Dewpt         71 72 73 71   71 72 73 72   70 71 73 72   70 71 73 71
PWind dir         S    SE      SE     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC B1   SC SC FW SC   SC SC SC SC   SC FW FW SC
PoP 12hr          0    50      20    50      30    50      30    20
Rain shwrs          SC IS   IS IS IS SC   SC SC SC SC   SC SC IS IS
Tstms                             IS IS   IS IS IS IS

$$
PRZ010-082015-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                77 90 93    70 75 83    77 89 92    70 75 83    76 89 92
Temp          75 83 88 90 82 79 77 76 75 83 88 89 82 79 77 76 75 83 88 89 82 79
Dewpt         72 75 77 77 76 75 74 74 72 75 77 77 76 75 74 74 72 75 77 77 76 75
RH            90 77 70 66 82 88 90 94 90 77 70 68 82 88 90 94 90 77 70 68 82 88
Wind dir       E  E SE SE  E  E  E  E  E  E SE NE  E  E NE  E  E SE SW SW SW  S
Wind spd       3  4  4  8  5  6  5  3  4  5  5  6  3  2  3  3  3  2  4  5  3  1
Wind gust                       17       17
Clouds        CL FW SC B1 B1 SC FW FW FW FW SC B2 B2 FW FW FW FW CL CL B1 B1 FW
PoP 12hr                     50          30          60           0          40
QPF 12hr              0.08-1.28   0.02-0.08   0.07-1.10   0.00-0.07   0.03-0.54
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC NM SC IS IS IS    IS NM NM                   SC SC
Tstms                  IS IS                   IS IS
Heat index       91101103 90 82          90100102 90 82          90100102 90 83
Max heat         98   112   110    93    97   112   108    94    96   113   109


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    89      75    89      75    89      75    89
Temp          76 83 89 80   76 83 89 79   76 83 89 79   76 83 89 79
Dewpt         74 75 77 75   74 75 76 75   73 74 76 75   73 74 76 75
PWind dir        SE    SE      SE    SE       E     E       E    SE
Wind char        LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    FW FW FW SC   SC SC SC B1   SC SC SC B1   SC SC FW SC
PoP 12hr          0    20      20    60      50    60      40    30
Rain shwrs          IS IS   IS IS IS NM   SC SC SC SC   SC SC IS IS
Tstms                             IS IS   IS IS IS IS

$$
PRZ011-082015-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                85 91 93    73 76 83    85 91 92    72 75 83    85 90 92
Temp          76 84 90 91 84 80 79 77 76 84 90 91 83 80 78 76 75 84 90 90 84 80
Dewpt         73 76 79 78 77 77 76 74 73 76 78 78 78 76 75 74 73 76 78 78 77 76
RH            90 77 70 66 80 91 91 90 90 77 68 66 85 88 91 94 94 77 68 68 80 88
Wind dir       E  E SE SE SE  E  E  E  E  E SE SE SE  E NE NE  E  E  S SW SW SE
Wind spd       5  6 10 11 10 10  8  5  4  6 11 10  6  3  3  2  2  1  5  6  4  1
Wind gust              21 20 21             23
Clouds        CL SC SC FW SC SC SC SC SC SC FW B2 B1 FW FW FW FW FW FW B1 B1 FW
PoP 12hr                     10          10          50           5          30
QPF 12hr              0.05-0.30   0.07-0.13   0.29-1.07           0        0.11
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS IS IS IS IS SC SC IS IS IS IS       SC SC IS
Tstms                                          IS IS
Heat index       94105106 93 86 80       93104106 93 85          93104105 93 86
Max heat         98   112   110    94    95   111   108    94    95   111   108


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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    91      76    91      76    91      76    91
Temp          77 84 91 81   77 84 91 80   77 84 91 80   77 84 91 80
Dewpt         74 76 78 76   74 76 77 76   73 75 77 76   73 75 77 76
PWind dir        SE    SE       E    SE       E    SE       E    SE
Wind char        LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW SC SC   SC SC FW SC   SC SC SC SC   FW FW FW FW
PoP 12hr          5    30      20    20      20    40      20    10
Rain shwrs    IS IS SC SC   IS IS IS IS   IS IS SC SC   IS IS    IS
Tstms                                IS         IS IS

$$
PRZ012-082015-
Culebra-
Including the city of Culebra
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                85 89 92    77 80 83    85 89 93    77 80 83    85 89 93
Temp          79 84 88 89 84 82 81 80 80 85 88 89 85 83 81 80 80 85 88 89 84 82
Dewpt         77 77 78 77 78 77 78 77 77 78 78 77 77 77 77 76 77 77 78 77 78 77
RH            94 80 72 68 82 85 91 91 91 80 72 68 77 82 88 88 91 77 72 68 82 85
Wind dir       E SE SE SE SE SE SE SE SE  E  E  E  E NE NE NE  E SW SW SW SW SW
Wind spd       6  8 12 12 16 16 13 12 13 14 11  8  8  5  8  8  4  2  3  6  8 11
Clouds        B2 B2 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     50          50          50          50          40
QPF 12hr                   0.34        0.42        0.51        0.16   0.23-0.29
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS IS       IS                   IS IS
Heat index    82 95101101 95 91 89 85 82 96102101 94 91 89 85 83 95101101 95 90
Max heat         99   108   109    95   101   109   107    95   100   108   106


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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    89      80    89      80    89      80    89
Temp          80 85 89 83   81 85 89 83   81 85 89 83   81 85 89 83
Dewpt         77 78 77 77   76 77 76 76   76 77 76 76   76 77 76 76
PWind dir         S     S      SE    SE       E     E       E    SE
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B1 B1   SC SC SC FW   FW FW FW FW   CL FW SC CL
PoP 12hr         40    50      50    50      20    20      20    20
Rain shwrs    SC SC SC SC   SC SC SC IS   IS IS IS IS      IS IS

$$
PRZ013-082015-
Vieques-
Including the city of Vieques
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                85 88 91    76 78 83    85 88 91    75 78 83    85 88 92
Temp          78 84 87 88 83 81 80 79 78 84 88 88 83 81 80 79 78 84 88 88 83 81
Dewpt         76 76 76 76 76 75 76 76 76 76 76 75 76 75 76 75 75 76 76 76 76 75
RH            94 77 70 68 80 82 88 91 94 77 68 66 80 82 88 88 91 77 68 68 80 82
Wind dir      SE SE SE SE SE SE SE SE  E SE SE SE  E NE NE NE  E SW SW  S SW SW
Wind spd       5  6 10 10 13 14 13 11 12 13 10  5  6  3  6  6  2  2  3  8  8 10
Clouds        B1 B2 B1 SC B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     50          50          50          40          40
QPF 12hr                   0.34        0.40   0.35-0.48        0.10   0.23-0.75
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS IS       IS                   IS IS
Heat index       92 98 99 92 87 84 80    93 99 98 91 87 84 80    93 99 99 91 87
Max heat         96   105   104    94    95   104   101    93    96   105   103


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          78    88      78    89      78    89      78    88
Temp          79 84 88 81   79 84 89 81   79 84 89 81   79 84 88 81
Dewpt         75 77 75 75   75 76 74 75   75 76 75 75   75 76 75 75
PWind dir         S     S      SE     E       E     E       E    SE
Wind char        GN    GN      GN    LT      GN    GN      GN    GN
Avg clouds    B1 B1 B1 B1   SC SC SC SC   SC SC FW FW   CL FW SC CL
PoP 12hr         40    50      50    50      30    20      20    20
Rain shwrs    SC SC SC SC   SC SC SC SC   SC SC IS IS      IS IS

$$
VIZ001-082015-
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
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                85 86 92    72 78 83    85 87 93    72 78 83    85 87 93
Temp          78 83 86 86 83 81 80 79 78 83 86 87 83 81 80 79 78 83 86 87 83 81
Dewpt         76 76 77 76 77 76 77 76 76 77 77 76 77 76 77 76 76 76 77 76 77 76
RH            94 80 75 72 82 85 91 91 94 82 75 70 82 85 91 91 94 80 75 70 82 85
Wind dir       E SE  E SE SE  E  E  E  E  E  E SE  E NE NE NE NE  W SW SW SW  S
Wind spd       6  9 14 16 17 17 14 14 16 16 13 12 11  9 11  6  4  2  5  8  6 13
Clouds        B2 B2 B1 SC SC B1 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     50          50          50          50          50
QPF 12hr                   0.29        0.38        0.48        0.30        0.48
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS IS                            IS IS
Heat index    80 91 96 96 91 86 84 82 80 92 97 96 91 87 84 82 81 92 97 97 91 87
Max heat         98   107   108    95   101   108   106    95   100   108   106


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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      79    87      79    87      79    87
Temp          79 83 87 81   80 83 87 81   79 83 87 81   79 83 87 81
Dewpt         76 76 76 75   75 75 75 75   76 76 75 75   76 76 75 75
PWind dir         S    SE      SE     E       E     E       E    SE
Wind char        BZ    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B2 B2   B1 B1 B1 SC   B1 SC FW FW   CL FW SC CL
PoP 12hr         50    60      60    60      50    20      20    20
Rain shwrs    SC SC NM NM   SC NM NM SC   SC IS IS IS      IS IS
Tstms                             IS IS   IS IS

$$
VIZ002-082015-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
436 AM AST Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                85 88 92    76 79 83    85 88 93    76 78 83    85 88 93
Temp          78 84 87 88 83 81 80 79 79 84 88 88 84 81 80 79 78 84 87 88 83 81
Dewpt         76 76 77 77 77 76 77 76 77 77 77 76 77 76 76 76 76 77 77 77 77 76
RH            94 77 72 70 82 85 91 91 94 80 70 68 80 85 88 91 94 80 72 70 82 85
Wind dir      SE  E SE SE SE SE  E  E  E  E  E  E  E NE NE NE SE SW SW  S  S  S
Wind spd       4  6 12 12 14 14 11 12 13 14 12 11  8  4  6  4  1  1  5  6 11 12
Clouds        B2 B1 SC SC SC B1 B1 B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2
PoP 12hr                     40          50          60          50          50
QPF 12hr                   0.28        0.35        0.54        0.30        0.48
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC SC SC SC NM SC SC SC SC SC SC SC SC SC SC
Tstms         IS IS                            IS IS
Heat index       92 99 99 93 88 85 82 80 94100100 93 88 85 81 80 93 99100 92 88
Max heat         98   110   107    95   101   111   107    94    99   111   106


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          78    88      79    88      79    88      78    88
Temp          79 84 88 81   80 84 88 82   80 84 88 81   79 84 88 81
Dewpt         76 77 77 76   75 76 76 75   76 77 76 76   76 76 76 76
PWind dir         S    SE       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B2 B2   B1 B1 B2 B2   B2 B1 FW FW   CL FW FW CL
PoP 12hr         50    60      60    60      60    20      10    10
Rain shwrs    SC SC NM NM   SC NM NM NM   NM NM IS IS      IS IS
Tstms                             IS IS   IS IS

$$