Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 090859
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
459 AM AST Thu Oct 9 2025

PRZ001-092015-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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 89 92    72 77 83    82 89 92    72 77 83    82 89 92
Temp          76 83 88 89 83 80 78 77 77 83 88 89 83 80 78 77 77 83 88 89 83 80
Dewpt         74 75 77 78 77 75 75 75 74 76 77 78 77 76 75 75 74 76 77 77 76 76
RH            94 77 70 70 82 85 91 94 90 80 70 70 82 88 91 94 90 80 70 68 80 88
Wind dir       S SE  E  E SE SW SW SW SW SW NW NW  N  S  S  S  S  S SE SE SE SE
Wind spd       4  4  5  5  3  1  1  1  1  1  5  5  4  4  3  3  3  3  3  3  3  3
Clouds        CL SC SC B2 B2 SC B1 B1 SC SC SC OV OV B1 B1 B1 B1 B1 B1 B2 B2 SC
PoP 12hr                     70          50          70          40          50
QPF 12hr              0.60-1.56   0.10-0.19   1.10-1.22   0.10-0.19   0.43-1.13
Snow 12hr                    MM          MM          MM
Rain shwrs       IS SC NM NM SC SC SC IS IS IS NM NM SC SC SC SC SC SC SC SC IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       91100102 91 84          91100103 91 84          92101102 92 85
Max heat         96   110   107    93    98   112   108    94    98   112   109
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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      76    90      76    89      76    90
Temp          77 84 90 80   77 84 90 80   77 84 89 80   77 84 90 80
Dewpt         75 76 76 74   74 75 75 74   74 75 76 75   74 75 76 75
PWind dir        SE    SE      SE     E      SE    SE       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   FW SC SC SC   FW FW SC FW   CL FW SC B1
PoP 12hr         50    50      40    40      20    20      20    50
Rain shwrs    IS SC SC IS   IS SC SC IS   IS IS IS IS      IS SC SC
Tstms               IS IS            IS                       IS IS

$$
PRZ002-092015-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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    66 75 83    75 88 92    66 73 83    75 87 92
Temp          76 82 86 87 81 79 77 76 75 82 87 88 82 79 77 76 75 82 86 87 82 79
Dewpt         74 75 76 76 75 74 75 74 74 75 76 76 76 74 75 74 74 76 76 76 76 74
RH            94 79 72 70 82 85 94 94 97 79 70 68 82 85 94 94 97 82 72 70 82 85
Wind dir      SE SE SE SE SE  N  N  W  W SW SW  S  S SW  S  S  S  S  S SE SE SE
Wind spd       6  6  8  6  4  3  3  3  4  4  3  4  3  4  3  4  5  5  6  6  5  5
Clouds        SC B1 B1 B1 B2 B1 B2 B2 SC B1 SC B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B1
PoP 12hr                     50          50          60          40          60
QPF 12hr              0.19-1.10        0.19   0.35-1.18        0.19   0.56-1.19
Snow 12hr                    MM          MM          MM
Rain shwrs    IS SC SC SC SC SC SC SC SC SC IS NM NM SC SC SC SC SC SC NM NM SC
Tstms                  IS IS                   IS IS                   IS IS IS
Heat index       89 97 98 88 82          89 97 99 89 82          89 96 97 89 83
Max heat         96   108   106    94    97   107   106    94    97   108   105
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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    88      75    88      75    87      76    87
Temp          77 82 88 79   76 82 88 79   77 82 87 79   76 82 87 79
Dewpt         74 75 75 73   73 75 74 73   74 75 75 74   73 75 75 74
PWind dir        SE    SE       E     E       E    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 SC FW   FW SC SC FW   CL FW SC FW   CL FW SC SC
PoP 12hr         50    50      40    40      20    20      30    40
Rain shwrs    SC SC SC IS   IS SC SC IS      IS IS IS      SC SC SC
Tstms         IS IS                                           IS IS

$$
PRZ003-092015-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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 92    69 75 83    77 87 91    69 74 83    76 86 90
Temp          75 82 86 87 81 79 77 76 75 82 86 87 81 79 77 76 75 81 85 86 81 79
Dewpt         73 74 75 75 75 74 74 73 72 74 74 75 75 73 74 73 73 75 75 75 75 73
RH            94 77 70 68 82 85 90 90 90 77 68 68 82 82 90 90 94 82 72 70 82 82
Wind dir      NE  E SE SE SE  N  N  N NW  W  S SW SW  S  S  S  S  S  S  S SE SE
Wind spd       5  5  6  5  3  3  4  4  3  2  3  8  5  4  2  3  3  3  5  5  5  4
Clouds        FW SC SC SC SC B1 B1 B1 SC SC SC B1 B1 SC SC SC SC SC SC B2 B2 B1
PoP 12hr                     40          40          40          30          60
QPF 12hr              0.09-0.38   0.09-0.19   0.15-0.48   0.08-0.17   1.09-1.19
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS SC SC SC SC SC SC IS IS SC SC SC SC SC SC SC SC NM NM SC
Tstms                     IS                                           IS IS IS
Heat index       88 95 96 87 81          87 94 96 87 81          87 93 95 87 82
Max heat         96   106   105    93    95   106   104    93    95   103   102
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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    87      75    86
Temp          77 82 87 79   76 82 87 79   76 82 87 79   76 82 86 78
Dewpt         73 74 73 72   72 74 73 72   73 74 74 73   73 73 73 73
PWind dir         E     E       E     E       E     E      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 SC FW   FW FW SC FW   CL FW SC CL   CL FW SC SC
PoP 12hr         50    40      30    30      20    20      30    30
Rain shwrs    SC SC IS IS   IS IS IS IS      IS IS         SC SC IS
Tstms         IS IS

$$
PRZ004-092015-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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    68 72 77    77 86 92    68 72 76    76 85 92
Temp          72 80 85 86 79 76 74 73 72 80 85 86 79 76 75 73 72 80 84 85 79 77
Dewpt         71 73 75 75 75 73 72 72 71 74 75 75 75 73 73 72 72 74 75 75 75 73
RH            97 79 72 70 88 90 93 97 97 82 72 70 88 90 94 97100 82 74 72 88 87
Wind dir      SE SE SE SE SE NW NW  W  W SW  S  S SW  S  S  S  S  S  S  S SE SE
Wind spd       3  4  5  4  2  3  2  2  2  2  2  3  3  3  1  3  3  3  4  5  4  3
Clouds        FW FW SC B1 B2 B1 B1 B1 SC SC SC B2 B2 SC SC SC SC B1 B1 B2 B2 B1
PoP 12hr                     70          50          60          30          60
QPF 12hr              0.18-1.41   0.09-0.19   0.21-1.18   0.09-0.19   0.95-1.19
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS SC SC NM SC SC SC SC IS IS NM NM SC SC SC SC SC SC NM NM SC
Tstms                  IS IS                   IS IS                   IS IS IS
Heat index       84 93 95 82             83 93 95 83             83 93 94 82
Max heat         94   109   105    85    96   109   106    85    96   106   105
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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      72    86      72    86      72    86
Temp          74 80 86 77   73 80 86 77   73 80 86 76   73 80 86 76
Dewpt         72 74 74 72   71 73 73 72   72 73 74 72   72 73 73 72
PWind dir        SE    SE       E     E       E    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 SC FW   FW FW SC FW   CL FW SC FW   CL FW SC SC
PoP 12hr         50    50      30    30      20    20      30    30
Rain shwrs    SC SC SC IS   IS IS IS IS      IS IS         SC SC IS
Tstms         IS                                                 IS

$$
PRZ005-092015-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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    73 76 83    85 89 92    74 76 83    85 90 92
Temp          75 83 88 89 82 79 77 76 76 83 88 89 82 79 77 76 76 83 89 90 82 79
Dewpt         73 76 78 78 76 75 75 74 73 76 78 78 77 76 75 74 73 77 78 78 76 76
RH            94 80 72 70 82 88 94 94 90 80 72 70 85 91 94 94 90 82 70 68 82 91
Wind dir       S SE NE  E SE SW SW  S  S  S  N NW NE SE  S  S  S  S SE SE SE SE
Wind spd       3  2  3  5  3  1  2  2  2  2  3  6  3  2  2  4  3  3  2  3  2  4
Clouds        CL FW FW B2 B2 FW SC SC SC SC SC B2 OV SC SC SC SC SC SC B2 B2 SC
PoP 12hr                     70          20          70          20          50
QPF 12hr              0.61-2.05   0.03-0.13   0.87-1.22   0.02-0.15   0.21-1.08
Snow 12hr                    MM          MM          MM
Rain shwrs          IS NM NM IS IS IS IS IS IS SC NM IS IS IS IS IS IS SC SC IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       90101104 89 80          91102104 90 81          92103104 91 82
Max heat         98   115   110    94    98   114   109    94    98   114   110
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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    90      75    90      74    90
Temp          76 83 90 79   75 83 90 79   76 83 90 79   75 83 90 79
Dewpt         74 76 78 75   73 76 77 75   73 75 78 75   74 76 77 75
PWind dir        SE     E      SE     E      SE     E       S     S
Wind char        LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    SC FW SC SC   SC SC SC B1   SC SC SC SC   FW FW SC B1
PoP 12hr         10    60      40    60      40    50      10    50
Rain shwrs    IS IS IS SC   SC SC NM NM   SC SC SC SC   IS IS SC SC
Tstms               IS IS   IS IS IS IS         IS IS         IS IS

$$
PRZ006-092015-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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    64 73 77    75 83 90
Temp          72 78 82 83 77 75 74 72 72 78 82 83 78 75 74 73 73 78 82 83 78 75
Dewpt         70 72 73 74 73 72 71 71 70 72 73 74 73 72 72 71 71 73 74 73 73 71
RH            93 82 74 74 87 90 90 97 93 82 74 74 85 90 93 93 93 85 77 72 85 87
Wind dir      SE SE SE SE  S  W NW NW  W SW SW SW  S  S  S  S  S  S  S  S  S SE
Wind spd       2  2  3  2  2  2  1  1  1  1  2  3  2  2  1  2  2  2  3  3  2  2
Clouds        CL CL FW B2 B2 SC SC SC SC FW SC B2 B2 SC SC SC SC SC SC B2 B2 SC
PoP 12hr                     60          20          60          10          60
QPF 12hr              0.13-2.01   0.02-0.12   0.19-1.21   0.02-0.14   0.59-1.11
Snow 12hr                    MM          MM          MM
Rain shwrs          IS NM NM IS IS IS IS IS IS SC NM IS IS IS IS IS IS NM NM IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       80 87 89 80             80 87 89 80             80 87 88 80
Max heat         93   106   103          93   107   105          94   108   104


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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    83      71    83      71    83      71    83
Temp          73 78 83 75   72 78 83 75   73 78 83 75   72 78 83 75
Dewpt         71 72 73 71   70 72 72 70   70 71 73 71   70 72 72 71
PWind dir        SE    SE       E     E       E    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW SC   FW FW FW SC   FW FW SC SC   FW FW SC SC
PoP 12hr         20    30      20    30      10    20      20    20
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms                  IS            IS

$$
PRZ007-092015-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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    64 75 83    75 87 92    66 76 83    75 86 92
Temp          75 82 86 87 81 79 77 76 75 82 86 87 81 79 77 76 76 82 86 86 81 79
Dewpt         70 72 72 73 74 73 72 71 70 72 73 74 74 73 72 72 72 73 73 73 73 72
RH            84 72 63 63 79 82 85 85 84 72 65 65 79 82 85 87 87 74 65 65 77 79
Wind dir      NE  E SE SE  E  N  N  N  N NE  S  S  S SE  E SE SE SE SE  S SE SE
Wind spd       2  3  5  5  2  2  3  3  2  2  3  8  4  2  1  2  1  1  5  6  3  2
Clouds        CL FW FW B1 B1 FW FW FW SC FW SC B1 B1 SC SC SC SC FW FW B2 B2 SC
PoP 12hr                     50          10          40          10          60
QPF 12hr              0.09-1.63   0.02-0.09   0.14-0.78   0.01-0.09   1.01-1.15
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC SC IS IS IS IS    IS SC SC IS IS IS IS IS IS NM NM IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       87 93 95 87 82          86 92 95 87 82          87 92 94 86 82
Max heat         94   105   103    93    93   105   103    93    94   104   102
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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    87      75    87
Temp          77 82 87 79   76 82 87 79   76 82 87 79   76 82 87 79
Dewpt         72 72 72 72   70 71 73 71   70 71 73 72   71 72 71 71
PWind dir         E     E       E     E       E     E       E     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   FW FW FW FW   FW FW FW SC   FW SC SC SC
PoP 12hr         20    20      20    20       5    10      30    30
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ008-092015-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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 87 92    70 74 83    85 87 92    71 75 83    85 87 92
Temp          73 81 86 87 81 78 76 75 74 81 86 87 81 78 76 75 75 81 87 87 81 78
Dewpt         71 74 76 76 74 74 74 73 72 75 77 76 75 75 74 73 72 74 77 77 75 74
RH            93 79 72 70 79 88 94 94 93 82 75 70 82 91 94 94 90 79 72 72 82 88
Wind dir      SE SE  N  N SE  S SE  S  S  S  W  W SW  S  S  S  S  S  S  S  S SE
Wind spd       2  2  3  8  4  3  4  3  4  3  4  8  4  1  1  3  3  4  5  9  5  5
Clouds        CL CL FW B2 B2 CL FW FW SC SC SC B1 B2 FW FW FW FW FW FW B1 B1 SC
PoP 12hr                     60          10          60           5          40
QPF 12hr              0.26-2.03        0.03   0.14-1.05        0.03   0.07-1.07
Snow 12hr                    MM          MM          MM
Rain shwrs             NM NM    IS IS IS IS IS SC NM IS IS IS IS IS IS SC SC IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       86 96 98 85             87 97 98 86             87 97 99 86
Max heat         94   108   104    93    95   109   105    93    94   108   106
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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    88      73    87      73    88      73    88
Temp          75 81 88 78   74 81 87 78   74 82 88 78   74 81 88 78
Dewpt         73 74 76 74   72 73 75 74   72 73 76 74   72 74 75 73
PWind dir        SE     E       E     E       E     E      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW SC B1   B1 SC SC B1   SC SC SC B1   SC SC SC B1
PoP 12hr         10    60      60    60      40    50      20    50
Rain shwrs    IS IS NM NM   SC SC NM NM   SC SC SC SC   IS IS SC SC
Tstms               IS IS   IS IS IS IS         IS IS         IS IS

$$
PRZ009-092015-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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 92    66 72 75    75 84 92    69 73 77    75 84 92
Temp          72 79 84 85 79 76 74 73 72 79 83 84 79 76 74 73 73 79 83 84 79 76
Dewpt         69 71 73 74 72 72 72 71 69 73 74 74 73 72 72 71 70 73 74 74 73 72
RH            90 77 70 70 79 87 93 93 90 82 74 72 82 87 93 93 90 82 74 72 82 87
Wind dir      SE SE SE NW SE  E  E SE SE  S SW SW SW  S SE SE SE SE  S  S  S SE
Wind spd       2  2  2  4  3  2  2  2  2  2  2  4  2  1  1  2  2  2  4  6  4  3
Clouds        CL CL CL OV OV CL FW FW FW FW SC B1 B2 FW FW FW FW FW FW B2 B2 SC
PoP 12hr                     80           5          60           5          60
QPF 12hr              0.44-2.07        0.02   0.17-1.18        0.01   0.24-1.08
Snow 12hr                    MM          MM          MM
Rain shwrs             NM NM    IS    IS    IS SC NM                   NM NM IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       81 89 92 80             81 89 91 81             82 90 91 81
Max heat         93   108   103          94   109   105    84    93   108   104


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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    85      72    84      72    85      72    85
Temp          73 79 85 76   73 79 84 76   73 79 85 76   73 79 85 76
Dewpt         71 72 73 72   70 71 72 71   69 71 73 71   71 72 73 71
PWind dir        SE    SE       E     E       E    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW SC   SC SC SC SC   SC FW FW B1   SC SC SC SC
PoP 12hr         10    50      30    50      30    50      20    20
Rain shwrs    IS IS IS SC   SC SC SC SC   SC SC SC SC   IS IS IS IS
Tstms               IS IS   IS IS IS IS         IS IS

$$
PRZ010-092015-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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 89 92    70 75 83    76 89 92    71 76 83    76 89 92
Temp          75 83 88 89 82 79 77 76 75 83 88 89 82 79 78 76 76 83 88 89 83 80
Dewpt         72 75 76 77 75 75 74 74 73 75 77 77 76 75 75 74 73 75 77 77 76 75
RH            90 77 68 68 79 88 90 94 94 77 70 68 82 88 91 94 90 77 70 68 80 85
Wind dir       E  E SW NW NE NE NE  E  E SE SW SW SW  S SE SE SE SE  S  S  S SE
Wind spd       3  3  4  5  4  4  4  4  5  4  2  6  4  2  2  2  3  3  6 10  8  6
Clouds        CL CL FW B2 B2 CL CL FW FW FW SC B1 B1 FW FW FW FW FW FW B1 B1 SC
PoP 12hr                     60           5          40           5          40
QPF 12hr              0.01-1.53        0.02   0.03-0.54        0.01   0.07-0.62
Snow 12hr                    MM          MM          MM
Rain shwrs             NM NM          IS    IS SC SC                   SC SC IS
Tstms                  IS IS                      IS
Heat index       90100102 89 81          90100102 90 82          91101102 90 83
Max heat         96   110   106    94    96   111   107    94    97   111   107
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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      75    89      75    89      75    89
Temp          76 83 89 79   76 83 89 79   76 83 89 79   76 83 89 79
Dewpt         74 75 77 75   73 74 76 75   72 74 76 75   73 75 76 74
PWind dir        SE    SE       E     E       E    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   SC SC SC B1   SC SC FW B1   SC SC SC SC
PoP 12hr         20    60      50    60      40    50      30    30
Rain shwrs    IS IS IS NM   SC SC SC SC   SC SC SC SC   SC IS IS IS
Tstms               IS IS   IS IS IS IS         IS IS            IS

$$
PRZ011-092015-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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 92    72 75 83    85 90 92    74 77 83    85 91 92
Temp          76 84 90 91 83 80 78 76 75 84 90 90 84 80 79 77 77 84 90 91 84 81
Dewpt         73 74 75 75 75 75 74 73 72 73 74 75 75 74 74 74 73 74 75 75 75 74
RH            90 72 62 60 77 85 88 90 90 70 60 62 74 82 85 90 87 72 62 60 74 79
Wind dir       E  E SE SE SE NE  N  N  N  E  S SW  S SE SE SE SE SE SE SE SE SE
Wind spd       4  5  6  5  1  3  3  3  3  3  4  9  5  2  2  1  2  2  9 11  8  5
Clouds        CL FW FW SC B1 CL CL FW FW FW SC B1 B1 SC SC SC SC FW FW B1 B1 SC
PoP 12hr                     40           5          30          10          50
QPF 12hr              0.06-0.73        0.02   0.12-0.17        0.04   0.10-1.08
Snow 12hr                    MM          MM          MM
Rain shwrs             IS SC       IS IS    IS SC SC IS IS IS IS IS IS SC SC IS
Tstms                  IS IS                                           IS IS
Heat index       92100102 91 83          90 99101 91 85          92100101 91 86
Max heat         94   110   106    93    94   109   106    94    95   109   105
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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      75    91      75    91      76    91
Temp          77 84 91 80   77 84 91 80   77 84 91 80   77 84 91 80
Dewpt         74 74 74 74   73 72 74 74   72 72 74 74   73 73 73 73
PWind dir        SE    SE       E     E       E    SE       E     S
Wind char        LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    SC SC FW SC   SC SC SC SC   FW FW FW SC   SC SC SC SC
PoP 12hr         20    20      20    40      20    20      30    30
Rain shwrs    IS IS IS IS   IS IS SC SC   IS IS IS IS   IS SC SC SC
Tstms                  IS         IS IS

$$
PRZ012-092015-
Culebra-
Including the city of Culebra
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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    75 78 83    85 89 93    74 78 83    85 89 93
Temp          80 85 88 89 85 83 81 80 80 85 88 89 84 82 81 80 79 85 88 89 85 83
Dewpt         77 78 78 77 77 77 77 77 77 77 78 77 78 77 78 77 77 78 78 78 78 77
RH            91 80 72 68 77 82 88 91 91 77 72 68 82 85 91 91 94 80 72 70 80 82
Wind dir       E  E SE  E  E NE NE  N  W SW SW  S  S  S  S  S  S  S  S  S SE SE
Wind spd      13 11  8  5  5  8  9  8  9 10  9  9  9  9  5  8 13 14 14 13 13 13
Clouds        B2 B2 B2 SC B1 B2 B2 B1 B1 B1 SC B1 B1 B2 B2 B1 B1 B1 B1 B2 B2 B2
PoP 12hr                     50          50          50          50          60
QPF 12hr                   0.18        0.20   0.27-0.32        0.22        1.19
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC SC SC IS SC SC SC SC SC SC SC SC NM NM SC
Tstms                                                IS IS             IS IS IS
Heat index    82 96102101 95 91 88 85 82 95101101 95 91 88 84 82 95102102 95 91
Max heat         99   108   105    95    99   107   105    96    99   108   105
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          77    89      79    89      79    89      80    89
Temp          81 85 89 83   81 85 89 83   81 85 89 83   81 85 89 83
Dewpt         77 77 76 76   76 77 76 76   76 77 76 76   76 77 77 77
PWind dir        SE    SE       E     E       E    SE      SE     S
Wind char        GN    GN      GN    GN      GN    LT      LT    GN
Avg clouds    B2 B1 SC FW   FW FW FW FW   CL FW SC FW   CL FW SC SC
PoP 12hr         50    50      20    20      20    20      20    20
Rain shwrs    SC SC SC IS   IS IS IS IS      IS IS IS      IS IS IS
Tstms         IS IS

$$
PRZ013-092015-
Vieques-
Including the city of Vieques
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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    74 77 83    85 88 92    71 75 83    85 88 91
Temp          78 84 88 88 83 81 80 79 78 84 88 88 83 81 79 79 78 84 88 88 84 81
Dewpt         76 77 77 75 75 76 76 76 76 77 77 75 76 76 76 76 76 77 77 76 76 75
RH            94 80 70 66 77 85 88 91 94 80 70 66 80 85 91 91 94 80 70 68 77 82
Wind dir       E  E SE SE  E NE NE  N  W SW SW  S  S  S  S  S  S  S  S  S  S SE
Wind spd      12 10  8  5  4  6  9  9  9 10  6  8 10  9  6  9 13 13 13 13 12 12
Clouds        B1 B1 B1 SC B1 B1 B2 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2
PoP 12hr                     50          50          50          50          60
QPF 12hr                   0.16        0.21   0.26-0.82        0.21        1.19
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC SC SC IS SC SC SC SC SC SC SC SC NM NM SC
Tstms                                          IS IS IS IS             IS IS IS
Heat index       93 99 99 91 87 82 80    93 99 99 92 87 82 80    93 99 99 92 87
Max heat         97   104   101    94    96   104   102    94    96   104   101
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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      77    89      77    88      78    88
Temp          79 84 89 81   79 84 89 81   79 84 88 81   79 84 88 81
Dewpt         75 76 75 75   75 76 75 75   75 76 75 75   75 76 75 75
PWind dir        SE    SE       E     E       E    SE      SE     S
Wind char        GN    LT      GN    GN      GN    LT      LT    GN
Avg clouds    B2 B1 SC SC   SC SC FW FW   CL FW SC FW   CL FW SC SC
PoP 12hr         50    50      30    20      20    20      30    30
Rain shwrs    SC SC SC SC   SC SC IS IS      IS IS IS      SC SC IS
Tstms         IS IS

$$
VIZ001-092015-
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
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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 87 93    70 77 83    85 87 93    72 79 83    85 87 93
Temp          78 83 86 87 83 81 80 79 78 83 86 87 83 81 80 79 79 83 86 87 83 81
Dewpt         76 76 77 76 76 76 77 76 76 76 77 76 77 76 77 76 76 77 77 76 77 76
RH            94 80 75 70 80 85 91 91 94 80 75 70 82 85 91 91 91 82 75 70 82 85
Wind dir       E  E  E SE  E NE NE  N  W SW SW SW  S  S  S  S  S  S  S SE SE SE
Wind spd      16 11  9  4  5  8 10  8  9  9  9 12 13 12 12 12 16 16 16 13 14 14
Clouds        B2 B2 B1 B1 B2 B2 B2 B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     50          50          60          60          60
QPF 12hr                   0.21        0.21        0.51        0.55        1.30
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC SC SC SC SC SC NM NM SC SC SC SC NM NM SC
Tstms                  IS IS             IS    IS IS IS IS IS IS IS IS IS IS IS
Heat index    80 91 96 97 91 86 84 82 80 91 97 97 91 86 84 82 81 92 97 97 91 87
Max heat         99   107   106    95    99   108   104    94   100   107   105
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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      78    87      77    87      79    87
Temp          80 83 87 81   79 83 87 81   79 83 87 81   79 83 87 81
Dewpt         76 76 75 75   76 75 75 75   76 76 75 75   75 76 76 75
PWind dir        SE    SE       E     E       E    SE      SE     S
Wind char        GN    GN      GN    GN      GN    LT      LT    GN
Avg clouds    B2 B2 B1 SC   B1 SC FW FW   CL FW SC FW   CL FW SC SC
PoP 12hr         60    60      50    20      20    20      20    20
Rain shwrs    SC NM NM SC   SC IS IS IS      IS IS IS      IS IS IS
Tstms         IS IS IS IS   IS IS

$$
VIZ002-092015-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
459 AM AST Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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    76 78 83    85 88 93          81    85 88 93
Temp          79 84 88 88 84 81 80 79 78 84 87 88 83 81 81 81 81 84 87 88 83 81
Dewpt         76 77 77 77 77 76 77 76 76 77 77 77 77 76 77 76 76 77 77 77 77 76
RH            91 80 70 70 80 85 91 91 94 80 72 70 82 85 88 85 85 80 72 70 82 85
Wind dir       E  E  E SE NE  N  N NE SW SW  S  S  S  S  S  S  S SE SE SE SE  E
Wind spd      12  9  9  4  4  6  8  6  6  8  9 10  9 10 10 12 14 14 13 13 12 10
Clouds        B2 B2 B1 B1 B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     50          50          60          60          60
QPF 12hr                   0.21        0.22        0.52        0.56        1.32
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC SC SC SC SC SC NM NM SC SC NM NM NM NM SC
Tstms                  IS IS             IS IS IS IS IS IS IS IS IS IS IS IS IS
Heat index    80 93 99100 93 88 84 81    93 99100 93 88 87 87 87 93 98 99 92 87
Max heat         99   109   106    95    99   109   107    94    98   109   107
Heat                 Y  Y


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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    88      77    88      77    88      79    88
Temp          80 84 88 82   80 84 88 81   79 84 88 81   79 84 88 81
Dewpt         76 76 76 75   75 76 76 75   76 76 76 75   76 76 76 76
PWind dir         E     E       E     E       E    SE      SE     S
Wind char        GN    GN      GN    GN      GN    LT      LT    GN
Avg clouds    B2 B2 B2 B2   B2 B1 FW FW   CL FW SC FW   CL FW SC SC
PoP 12hr         60    60      60    20      10    10      10    20
Rain shwrs    SC NM NM NM   NM NM IS IS      IS IS IS      IS IS IS
Tstms         IS IS IS IS   IS IS

$$