Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 140902
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 AM AST Tue Oct 14 2025

PRZ001-142000-
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 Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 92    72 75 83    83 90 93    72 75 83    82 90 92
Temp             84 89 90 83 80 78 76 75 84 89 90 83 80 78 76 75 83 89 90 83 80
Dewpt            76 76 76 75 75 75 74 73 75 75 75 75 74 74 73 73 75 76 76 76 75
RH               77 66 64 77 85 91 94 94 74 64 62 77 82 88 90 94 77 66 64 80 85
Wind dir          E  E  E  E SE SE  S  S  S  S  W  W SW  S  S SW SW SW  W  W SW
Wind spd          6 11 11 10  6  4  3  3  4  6  5  4  2  3  3  4  3  2  3  2  3
Clouds           SC SC B2 FW FW FW SC SC FW FW OV OV B1 B1 SC SC SC SC OV OV SC
PoP 12hr                     50          10          80          50          80
QPF 12hr              0.21-0.58        0.02   0.31-1.96   0.09-0.15   0.41-1.76
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC          IS IS        D  D SC SC IS IS IS IS  D  D IS
Tstms                  IS                      IS IS IS IS             IS IS
Heat index       93100101 90 84          91 99101 90 84 80       91100101 91 84
Max heat         99   110   107    93    96   109   107    92    96   110   106
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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 83 89 80   76 83 88 80   77 83 89 80   77 83 89 80
Dewpt         74 75 76 75   74 76 78 76   75 76 77 76   74 76 77 75
PWind dir        SW     W      SW     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC SC B1   SC SC SC B1   SC SC B1 B1   SC SC B1 B1
PoP 12hr         20    60      10    60      20    60      20    50
Rain shwrs    IS IS IS IS   IS IS NM NM   IS IS NM NM   IS IS SC SC
Tstms               IS IS         IS IS         IS IS

$$
PRZ002-142000-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 75 83    75 88 93    66 74 83    75 88 92
Temp             82 86 87 81 79 77 76 75 82 87 88 81 78 77 75 74 82 87 88 82 79
Dewpt            75 75 74 74 73 74 73 73 74 74 74 74 73 73 73 73 75 75 75 75 74
RH               79 70 65 79 82 90 90 94 77 65 63 79 85 87 94 97 79 68 66 79 85
Wind dir          E  E SE  E  E SE SE SE  S  S  S SW SW SW SW SW SW SW SW SW SW
Wind spd         10 11 10  8  5  5  4  4  4  8  9  6  4  3  4  4  4  3  8  5  4
Wind gust        20                                                    18 17
Clouds           SC SC SC SC SC SC SC SC SC FW B1 B1 B1 B1 SC SC SC SC B2 B2 SC
PoP 12hr                     30          30          40          40          60
QPF 12hr              0.04-0.47   0.01-0.11   0.06-1.50   0.09-0.15   0.06-1.77
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS SC IS IS IS    SC SC SC SC IS IS IS IS SC SC IS
Tstms                  IS                      IS IS IS IS             IS IS
Heat index       89 96 96 87 82          88 95 96 87 81          88 96 97 88 82
Max heat         96   106   104    94    95   106   103    94    96   108   106
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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      75    87      76    87
Temp          76 82 88 78   75 81 87 79   76 82 87 79   77 82 87 79
Dewpt         73 75 76 74   73 75 76 74   74 76 75 74   74 75 76 74
PWind dir        SW    SW      SW    SE       E     E       E     E
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 SC
PoP 12hr         30    40      20    40      50    50      50    50
Rain shwrs    IS SC SC SC   IS IS SC SC   SC SC SC SC   SC SC SC IS
Tstms                                IS   IS IS    IS

$$
PRZ003-142000-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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    68 75 83    76 86 90    69 75 83    76 86 90
Temp             82 86 87 81 79 77 76 75 81 85 86 81 78 77 76 75 81 85 86 81 79
Dewpt            75 76 75 75 74 74 73 73 74 75 75 75 73 74 73 73 75 76 75 76 74
RH               79 72 68 82 85 90 90 94 79 72 70 82 85 90 90 94 82 75 70 85 85
Wind dir          E  E SE  E  E  E  E  E SE  S  S SW  W  W SW SW SW SW SW SW SW
Wind spd          8 10  9  8  5  4  4  3  3  6  6  4  2  2  2  3  3  5 10  6  4
Wind gust           21                                                 20
Clouds           SC SC SC FW FW SC B1 B1 SC FW SC SC B1 B1 SC SC SC SC SC SC SC
PoP 12hr                     20          40          40          40          30
QPF 12hr                   0.02   0.08-0.18        0.07        0.09   0.05-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS SC SC IS IS IS IS SC SC IS IS IS IS IS IS SC
Heat index       88 95 96 87 81          87 94 95 86 80          87 95 96 87 82
Max heat         96   106   105    94    94   104   103    93    95   105   103
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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      74    87      75    87      76    87
Temp          76 82 87 78   75 81 87 79   76 82 87 79   76 82 87 79
Dewpt         74 75 76 74   73 75 77 75   74 76 76 74   74 75 76 74
PWind dir        SW    SW      NW     E       E     E      NE     E
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC B1 B1 B1   B1 B1 B2 B1   B1 B1 B1 B1   SC SC SC FW
PoP 12hr         50    50      60    60      50    40      40    40
Rain shwrs    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC IS
Tstms                          IS IS      IS

$$
PRZ004-142000-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 86 92    67 72 75    76 86 93    68 71 75    76 86 92
Temp             80 85 86 79 76 74 73 72 80 85 86 79 76 74 72 71 79 85 86 79 76
Dewpt            74 74 73 74 72 72 71 71 72 73 73 73 72 72 71 71 73 74 74 74 72
RH               82 70 65 85 87 93 93 97 77 67 65 82 87 93 97100 82 70 68 85 87
Wind dir          E  E SE SE SE SE SE SE  S  S  S SW SW SW SW SW SW SW SW SW SW
Wind spd          6  9  9  6  3  3  2  2  3  8  8  3  2  2  2  3  3  3  9  4  3
Clouds           SC SC SC FW FW SC SC SC SC FW B1 B1 B1 B1 SC SC SC SC B1 B1 SC
PoP 12hr                     20          30          40          40          50
QPF 12hr              0.02-0.51   0.02-0.11   0.08-0.78        0.09   0.05-1.11
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS    IS IS SC IS IS    SC SC SC SC IS IS IS IS SC SC IS
Tstms                                          IS IS                   IS IS
Heat index       84 93 93 82             83 92 93 82             83 92 93 83
Max heat         95   105   103    83    94   106   104    84    94   108   105
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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    86      71    86      72    86      73    85
Temp          73 80 86 76   72 79 86 76   73 80 86 77   74 80 85 76
Dewpt         72 73 74 72   71 73 75 73   72 74 74 73   72 74 75 72
PWind dir        SW    SW      SW    SE       E     E       E     E
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC B1 B1   SC SC B1 B1   SC SC B1 B1   SC SC SC SC
PoP 12hr         30    50      20    50      20    60      30    30
Rain shwrs    SC SC IS SC   IS IS SC SC   IS IS IS SC   IS SC SC IS
Tstms                  IS                       IS IS

$$
PRZ005-142000-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 94    72 74 83    85 90 94    72 74 83    84 90 94
Temp             83 89 90 82 79 77 75 74 83 89 90 82 79 77 75 74 83 89 90 82 79
Dewpt            76 77 77 76 75 74 73 72 75 76 76 75 75 74 73 72 75 77 77 75 74
RH               80 68 66 82 88 90 94 93 77 66 64 79 88 90 94 93 77 68 66 79 85
Wind dir          E  E  E  E SE SE  S  S  S NW NW  N  S  S  S SW SW SW  W SW SW
Wind spd          5  8 11 10  6  5  3  3  3  3  6  3  3  5  4  4  3  1  4  3  5
Clouds           SC FW B1 SC SC FW FW FW FW FW OV OV B1 B1 SC SC SC SC OV OV SC
PoP 12hr                     50           5          90          50          70
QPF 12hr              0.11-0.56   0.00-0.12   1.10-2.03   0.07-0.15   0.41-1.62
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    SC IS IS                 D  D SC SC IS IS IS IS NM NM SC
Tstms                  IS                      IS IS IS IS             IS IS
Heat index       92102103 89 80          90100102 89 82          91101102 90 83
Max heat         99   115   111    93    96   113   109    93    97   115   110
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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      74    89      74    89      75    90
Temp          76 83 90 79   75 82 89 79   75 83 89 79   76 83 90 79
Dewpt         74 76 77 74   73 76 78 75   74 76 78 76   74 76 77 74
PWind dir        SW     W       S     E      SE     E       E     E
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC SC B1   SC SC SC B1   SC SC SC B1   FW FW SC SC
PoP 12hr         30    60      10    60      10    60       5    40
Rain shwrs    IS IS IS IS   IS IS IS NM   IS IS IS SC   IS IS IS SC
Tstms               IS IS         IS IS         IS IS

$$
PRZ006-142000-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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    62 71 75    75 83 91    63 71 75    75 83 90
Temp             78 83 84 77 75 73 72 71 78 82 83 77 75 73 72 71 78 82 83 77 75
Dewpt            72 73 72 73 71 71 70 69 71 72 72 72 71 70 70 70 72 73 72 72 71
RH               82 72 67 87 87 93 93 93 79 72 70 85 87 90 93 97 82 74 70 85 87
Wind dir          E SE SE SE SE SE SE SE  S  S SW SW SW SW SW SW SW SW SW SW SW
Wind spd          4  8  6  5  3  3  2  2  2  4  4  2  2  2  2  2  2  2  6  4  3
Wind gust           20                                                 20
Clouds           FW FW SC SC SC FW SC SC SC FW B2 B2 B1 B1 SC SC SC SC B1 B1 SC
PoP 12hr                     30          20          70          40          30
QPF 12hr              0.02-0.54   0.01-0.14   0.08-2.01        0.09   0.05-0.80
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC IS IS    IS IS IS IS  D  D SC SC IS IS IS IS SC SC IS
Tstms                  IS                      IS IS                   IS IS
Heat index       81 88 89 80             80 87 88                80 87 87
Max heat         96   108   104          94   106   103          93   105   102


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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      71    83      71    83      72    83
Temp          73 78 83 75   72 78 83 75   72 78 83 75   73 78 83 75
Dewpt         71 72 73 71   70 72 74 72   71 72 73 72   71 72 73 71
PWind dir        SW    SW       S     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC B1 B1   SC SC B1 B1   SC SC SC SC   FW FW SC SC
PoP 12hr         30    60      20    60      10    50       5    20
Rain shwrs    SC SC IS NM   IS IS IS NM   IS IS IS SC      IS IS IS
Tstms               IS IS         IS IS            IS

$$
PRZ007-142000-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 86 92
Temp             82 86 87 81 79 77 76 75 81 86 87 81 79 77 76 75 81 85 86 81 79
Dewpt            72 74 74 74 73 72 71 71 72 73 73 73 73 72 72 71 73 74 74 74 73
RH               72 68 65 79 82 85 85 87 74 65 63 77 82 85 87 87 77 70 68 79 82
Wind dir          E SE SE SE  E  E NE  E  E SE  S  S SW NW SW SW SW SW SW SW SW
Wind spd          4 10  8  6  4  4  3  4  3  8  6  4  2  2  2  2  2  5 10  6  2
Wind gust           23 20                                              20
Clouds           FW SC SC SC SC FW SC B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr                     20          40          30          40          30
QPF 12hr              0.01-0.60   0.08-0.19   0.07-0.45   0.08-0.19   0.05-0.10
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS IS SC IS IS IS IS SC SC SC SC IS IS IS IS SC
Tstms                                                      IS IS
Heat index       87 94 96 87 82          86 93 94 86 82          86 93 94 86 82
Max heat         94   107   107    93    93   106   104    93    94   106   104
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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      75    87      75    88      75    88
Temp          76 82 87 78   76 82 87 79   76 82 88 79   76 82 88 79
Dewpt         72 73 74 73   71 73 75 74   72 73 74 74   71 72 74 73
PWind dir        SW    SW       E    SE       E     E       E     E
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B1 B1 B2 B1   B1 B1 B2 B1   SC SC SC SC   FW FW SC SC
PoP 12hr         60    60      60    60      10    30      10    30
Rain shwrs    SC SC SC SC   SC SC SC SC   IS IS SC SC   IS IS IS IS
Tstms            IS IS         IS IS IS

$$
PRZ008-142000-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 94    69 73 83    85 88 94    70 74 83    84 87 93
Temp             81 87 88 80 77 75 74 73 81 87 88 81 78 76 75 74 81 86 87 81 78
Dewpt            74 76 76 75 75 73 72 71 73 74 75 74 73 73 72 71 74 76 76 74 74
RH               79 70 68 85 94 94 93 93 77 65 66 79 85 90 90 90 79 72 70 79 88
Wind dir          E  E NE  E SE SE SE  S  S  W NW SW  S  S SW SW SW SW SW SW SW
Wind spd          5  5  8  8  5  4  3  3  3  5  8  8  6  6  4  5  5  6 11 10  8
Wind gust              18                      20 18
Clouds           SC FW B1 B2 B2 SC FW FW FW FW B2 B2 SC SC SC SC SC SC B2 B2 SC
PoP 12hr                     60          60          60          30          60
QPF 12hr              0.12-1.06   0.02-0.26   0.16-1.39   0.07-0.14   0.15-0.72
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    SC NM SC IS          IS NM NM IS IS SC SC SC SC NM NM SC
Tstms                  IS IS IS                IS IS                   IS IS
Heat index       87 97 98 85             86 96 98 86             87 96 97 86
Max heat         95   112   108    93    94   111   107    92    95   110   106
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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      73    87      73    87      74    88
Temp          75 81 87 77   74 81 87 78   74 81 87 78   75 82 88 78
Dewpt         73 74 75 73   72 74 76 74   73 74 76 75   73 74 76 74
PWind dir        SW    SW       S    NE       E     E       E     E
Wind char        LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC SC B1   SC SC SC B1   SC SC SC B1   FW FW SC B1
PoP 12hr         30    60      10    50      10    60       5    60
Rain shwrs    SC IS IS IS   IS IS IS SC   IS IS NM NM   IS IS NM NM
Tstms               IS IS            IS         IS IS         IS IS

$$
PRZ009-142000-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                75 85 94    66 71 75    75 85 93    67 72 76    75 83 92
Temp             79 84 85 78 76 74 72 71 79 83 85 79 76 74 73 72 78 82 83 78 76
Dewpt            71 72 73 73 72 71 70 69 71 72 72 71 71 71 70 69 72 73 73 72 71
RH               77 67 67 85 87 90 93 93 77 70 65 77 85 90 90 90 82 74 72 82 85
Wind dir          E  E  E SE SE SE SE SE SE  S  S  S  S  S  S SW SW SW SW SW SW
Wind spd          2  4  5  3  3  3  3  3  3  5  5  4  4  4  3  3  3  4  9  6  4
Wind gust           21                                                 20
Clouds           FW FW B1 B2 B2 SC FW SC SC SC B1 B1 SC SC B1 B1 SC SC B1 B1 SC
PoP 12hr                     70          60          40          40          40
QPF 12hr              0.06-1.56   0.05-0.27   0.08-1.83   0.07-0.19   0.06-0.48
Snow 12hr                    MM          MM          MM
Rain shwrs             SC  D NM IS IS IS IS IS SC SC IS IS SC SC SC SC SC SC SC
Tstms                  IS IS IS                IS IS                   IS IS
Heat index       82 90 92 81             81 89 90 81             81 88 89 80
Max heat         94   109   108    85    95   107   105    84    94   108   105


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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    84      72    84      72    85      72    85
Temp          73 79 84 75   73 79 84 76   73 79 85 76   73 79 85 76
Dewpt         71 72 73 71   70 72 74 72   71 72 73 72   70 71 72 71
PWind dir        SW    SW      SE    SE       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC B1 B1   SC SC B1 B1   SC FW SC B1   FW FW SC B1
PoP 12hr         30    60      20    60      10    60       0    60
Rain shwrs    SC SC SC NM   IS IS NM NM   IS IS NM NM         NM NM
Tstms               IS IS         IS IS         IS IS         IS IS

$$
PRZ010-142000-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 94    70 74 83    76 89 94    70 75 83    75 88 93
Temp             83 88 90 82 79 77 75 74 83 88 89 82 79 78 76 75 82 87 88 82 79
Dewpt            74 76 77 76 75 74 73 72 74 76 76 75 74 74 73 72 75 77 76 76 75
RH               74 68 66 82 88 90 94 93 74 68 66 79 85 88 90 90 79 72 68 82 88
Wind dir          E SE  E NE  E  E  E SE SE  S  S  S  S  S  S SW SW SW SW SW SW
Wind spd          4  4  5  6  4  5  6  5  5  9 12  9  8  6  5  5  5  8 12  9  6
Wind gust           14          16
Clouds           FW FW B1 B2 B2 SC FW SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC
PoP 12hr                     80          60          30          50          40
QPF 12hr              0.02-1.70   0.08-0.38   0.03-0.28   0.09-0.19   0.07-0.27
Snow 12hr                    MM          MM          MM
Rain shwrs             NM  D NM SC    IS IS IS SC SC IS IS SC SC SC SC SC SC SC
Tstms                  IS IS IS IS                         IS IS
Heat index       90100102 90 82          89 99101 89 82          89 99100 89 82
Max heat         96   112   110    93    95   112   108    93    97   111   108
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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    89      75    90      75    90
Temp          76 83 88 79   75 83 89 79   76 83 90 79   76 83 90 79
Dewpt         73 75 76 74   73 74 77 75   73 74 77 75   73 74 76 75
PWind dir        SW    SW      SE    SE       E     E       E     E
Wind char        LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC B1 B1   SC SC B1 B1   SC SC SC B1   FW FW SC B1
PoP 12hr         30    50      20    60      10    60       0    60
Rain shwrs    SC SC SC SC   IS IS IS IS   IS IS IS NM      IS NM NM
Tstms               IS            IS IS         IS IS         IS IS

$$
PRZ011-142000-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 92 94    72 75 83    85 91 94    73 76 83    85 90 93
Temp             84 90 92 84 80 78 76 75 84 90 91 83 80 78 77 76 84 89 90 83 80
Dewpt            75 77 78 77 76 75 74 72 75 77 77 76 75 75 74 73 76 78 78 77 76
RH               74 66 64 80 88 91 94 90 74 66 64 80 85 91 90 90 77 70 68 82 88
Wind dir          E SE SE SE  E  E  E  E  E SE  S  S  S SE  S SW SW SW SW SW SW
Wind spd          4 12 11  8  8  8  8  8  8 11 10  6  4  4  4  3  3  8 11  8  4
Wind gust           25 24                                              21
Clouds           FW SC SC SC SC FW FW SC B1 B1 SC SC SC SC B2 B2 SC SC SC SC SC
PoP 12hr                     20          30          50          50          30
QPF 12hr              0.02-0.80   0.06-0.19   0.06-0.18        0.19        0.06
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS    IS IS SC SC IS IS SC SC SC SC SC SC IS IS SC
Tstms                                       IS             IS IS
Heat index       92103106 93 85          92102104 91 85          92102104 92 85
Max heat         95   112   109    93    95   110   107    93    95   111   108
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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    90      75    91      76    92      75    92
Temp          77 84 90 80   76 84 91 80   76 85 92 80   76 84 92 80
Dewpt         74 76 78 76   74 76 78 76   74 75 78 76   73 75 78 76
PWind dir        SW    SW      SE    SE       E     E       E     E
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B1 B1 B2 B1   B1 B1 B2 B1   SC SC SC SC   FW FW SC SC
PoP 12hr         60    60      60    60      10    30      10    40
Rain shwrs    SC NM NM SC   SC NM NM SC   IS IS SC SC      IS SC SC
Tstms            IS IS         IS IS

$$
PRZ012-142000-
Culebra-
Including the city of Culebra
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 93    77 80 83    85 89 93    77 79 83    85 89 93
Temp             85 88 89 84 83 81 80 80 85 88 89 84 82 81 80 79 85 88 89 84 83
Dewpt            77 77 76 76 76 76 75 75 76 76 76 76 76 77 76 77 77 77 77 77 77
RH               77 70 66 77 80 85 85 85 75 68 66 77 82 88 88 94 77 70 68 80 82
Wind dir          E  E SE  E  E  E SE SE SE  S  S  S SW SW SW SW SW SW SW SW SW
Wind spd         16 13 11 11 11 10  9  9  9 10 11 12 12 10 10 10 11 10 13 14 16
Clouds           SC SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          20          30          30          20
QPF 12hr                   0.04        0.03        0.04        0.08        0.05
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS IS IS IS    IS IS SC SC SC SC IS IS IS IS IS
Heat index       95100 99 93 90 88 84 82 93 99100 93 89 88 84 82 95101101 94 90
Max heat        100   107   107    94    97   106   104    94    99   108   106
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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    89      79    89      80    89      80    89
Temp          80 85 89 82   80 84 89 83   80 85 89 83   80 85 89 83
Dewpt         77 78 77 76   76 77 77 76   77 77 77 77   77 78 77 77
PWind dir        SW    SW      SW    SE       E     E       E     E
Wind char        GN    GN      LT    LT      GN    GN      BZ    BZ
Avg clouds    SC SC SC B1   B2 B2 B1 B1   B2 B2 B2 B1   B1 B1 SC FW
PoP 12hr         40    60      60    60      60    50      50    50
Rain shwrs    SC SC SC NM   NM NM SC NM   NM NM SC SC   SC SC SC IS
Tstms                  IS   IS IS IS IS   IS IS

$$
PRZ013-142000-
Vieques-
Including the city of Vieques
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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    75 78 83    85 88 91    75 78 83    85 88 91
Temp             83 87 88 83 81 79 79 78 83 87 88 83 81 79 78 78 84 87 88 83 81
Dewpt            76 75 74 75 74 74 74 74 75 75 74 75 74 75 75 75 76 76 75 76 75
RH               80 68 63 77 79 85 85 88 77 68 63 77 79 88 91 91 77 70 66 80 82
Wind dir          E  E SE  E  E  E SE SE SE  S  S  S SW SW SW SW SW SW SW SW SW
Wind spd         16 12 11 10 10 10  8  8  9 10 10 10 11  9  8  9 10  9 14 13 13
Clouds           SC SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          30          30          30          20
QPF 12hr                   0.04        0.05        0.04        0.06        0.04
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS IS IS IS    IS IS SC SC IS IS IS IS IS IS IS
Heat index       92 97 97 90 86 83 80    91 96 97 90 86 82 80    92 98 98 91 86
Max heat         95   103   101    92    94   103   101    92    96   104   102
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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      77    88      78    88      78    88
Temp          78 84 88 80   78 83 88 81   79 84 88 81   79 84 88 81
Dewpt         75 77 76 75   75 76 75 75   76 77 75 75   76 77 75 75
PWind dir        SW    SW      SW    SE       E     E       E     E
Wind char        GN    GN      LT    LT      GN    GN      BZ    BZ
Avg clouds    SC B1 B1 B1   B2 B2 B2 B1   B2 B2 B2 B1   B1 B1 SC FW
PoP 12hr         40    60      60    60      60    50      50    50
Rain shwrs    SC SC SC SC   SC NM NM NM   NM NM SC SC   SC SC SC IS
Tstms                  IS   IS IS IS IS   IS IS

$$
VIZ001-142000-
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 Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 93    72 78 83    85 86 93    72 78 83    85 86 94
Temp             83 85 86 82 81 80 79 78 83 85 86 82 81 79 79 78 83 86 86 82 81
Dewpt            75 75 75 75 74 75 75 75 75 75 75 76 75 76 76 76 76 77 76 77 76
RH               77 72 70 79 79 85 88 91 77 72 70 82 82 91 91 94 80 75 72 85 85
Wind dir          E  E SE  E  E  E SE SE SE  S  S  S SW SW SW SW SW SW SW SW SW
Wind spd         16 13 11 10 11 10 10  9  9 11  9 11 11 10 10 10 12  9 12 13 14
Clouds           SC SC SC SC SC SC SC SC SC FW B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                     30          30          40          20          20
QPF 12hr                   0.04   0.05-0.14        0.11        0.06        0.04
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS SC IS IS IS IS    SC SC IS IS IS IS IS IS IS IS IS
Heat index       90 95 95 89 85 83 81 80 90 95 95 90 85 83 81 80 91 96 97 91 86
Max heat         98   107   105    93    96   107   104    94    99   109   106
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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    86      78    86      78    86
Temp          79 83 87 81   79 83 86 81   79 83 86 81   79 83 86 81
Dewpt         76 77 76 75   76 76 75 76   76 76 76 75   76 76 76 76
PWind dir        SW    SW      SW    SE       E     E       E     E
Wind char        GN    GN      LT    LT      GN    BZ      BZ    BZ
Avg clouds    SC SC SC B2   B2 B2 B1 B1   B2 B2 B2 B1   B1 B1 SC FW
PoP 12hr         40    60      60    60      60    50      50    50
Rain shwrs    SC SC SC NM   NM NM NM NM   NM NM SC SC   SC SC SC IS
Tstms                  IS   IS IS IS IS   IS IS

$$
VIZ002-142000-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 AM AST Tue Oct 14 2025

Date             Tue 10/14/25            Wed 10/15/25            Thu 10/16/25
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 94    75 78 83    85 88 94    75 78 83    85 88 94
Temp             83 87 88 83 81 80 79 78 83 87 88 83 81 80 79 78 84 87 88 83 81
Dewpt            76 76 75 75 75 75 74 74 75 76 76 76 75 76 76 76 77 77 77 77 76
RH               80 70 66 77 82 85 85 88 77 70 68 80 82 88 91 94 80 72 70 82 85
Wind dir          E  E  E  E  E  E SE SE SE  S  S  S SW SW SW SW SW SW SW SW SW
Wind spd         13 12 11  9  9  9  6  8  9  9 10  9  6  9  6  6  8  9 12 11 10
Clouds           SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     10          30          30          20          30
QPF 12hr                   0.02        0.05        0.07        0.06        0.05
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS SC IS IS IS SC SC IS IS IS IS IS IS IS IS SC
Heat index       92 97 97 91 86 83 80    91 97 98 91 86 83 80    92 99 99 92 87
Max heat         98   108   105    93    99   110   106    93    98   111   108
Heat                 Y  Y


Date          Fri 10/17/25  Sat 10/18/25  Sun 10/19/25  Mon 10/20/25
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      77    88      79    88      78    88
Temp          79 84 88 81   78 83 88 81   80 84 88 81   79 84 88 81
Dewpt         76 77 77 76   76 77 77 76   77 77 77 76   76 77 76 76
PWind dir        SW    SW      SW    SE       E     E       E     E
Wind char        GN    GN      LT    LT      GN    BZ      BZ    BZ
Avg clouds    B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 SC SC   B1 B1 SC FW
PoP 12hr         60    60      60    60      60    40      40    20
Rain shwrs    SC NM NM NM   NM NM NM NM   NM NM IS SC   SC SC IS IS
Tstms         IS IS IS IS   IS IS IS IS   IS IS

$$