Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 310902
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 AM AST Sun Aug 31 2025

PRZ001-312000-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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    73 77 82    82 90 93    73 77 82    81 88 91
Temp             84 89 90 86 81 79 78 77 85 89 90 84 81 79 78 77 83 87 88 83 80
Dewpt            76 77 76 76 75 76 75 74 76 77 76 76 76 76 76 75 77 78 77 77 76
RH               77 68 64 72 82 91 91 90 75 68 64 77 85 91 94 94 82 75 70 82 88
Wind dir          E  E  E  E  E SE SE SE SE  E  E  E SE SE SE SE  E  E  E  E  E
Wind spd          5 11 11 11  6  5  4  4  5 10 12 11  6  5  4  4  6 11 13 12  6
Clouds           SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC FW FW SC SC B1 B1 SC
PoP 12hr                     20          30          50          20          40
QPF 12hr              0.12-0.50   0.08-0.25   0.16-0.41   0.02-0.07   0.07-0.22
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS IS SC SC SC SC IS IS IS IS IS SC SC SC SC IS
Tstms                                          IS                      IS IS
Heat index       94101101 95 86 82       94101102 94 86 82       92 99100 92 84
Max heat         99   110   108    91    99   111   108    92    98   109   106


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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    88      76    87      76    87      76    88
Temp          77 83 88 80   77 82 87 79   77 82 87 79   77 83 88 80
Dewpt         75 77 76 75   75 76 76 75   75 76 77 76   76 77 77 76
PWind dir        SE     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40    40      20    20      30    40      20    30
Rain shwrs    IS IS SC IS   IS IS IS IS   IS IS SC SC   IS IS IS SC
Tstms               IS IS                                     IS IS

$$
PRZ002-312000-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                75 88 92    66 75 82    75 88 93    66 76 82    74 87 92
Temp             83 87 88 84 79 77 76 75 83 87 88 83 80 78 77 76 83 86 87 82 79
Dewpt            75 75 74 75 74 75 74 74 75 76 76 76 75 76 75 75 76 76 76 76 75
RH               77 68 63 74 85 94 94 97 77 70 68 80 85 94 94 97 80 72 70 82 88
Wind dir          E  E SE  E  E  E  E  E  E  E SE SE  E  E  E  E  E  E  E  E  E
Wind spd          8 12 10  9  6  6  5  5  6 10 11  9  6  6  8  6  9 11 11 10  8
Clouds           B1 SC SC SC B1 B1 B2 B1 B1 B2 B1 SC SC SC SC SC B2 B2 B1 B1 B1
PoP 12hr                     50          60          50          50          50
QPF 12hr              0.13-0.23   0.18-0.29   0.31-0.42        0.10   0.12-0.22
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC IS SC SC SC NM SC SC SC SC SC IS IS IS IS SC SC SC SC SC
Tstms                                          IS                      IS IS
Heat index       90 96 97 92 83          90 97 98 91 84 81       90 97 97 90 82
Max heat         98   106   105    92    98   108   108    93    99   109   108


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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    86      76    86      76    87
Temp          76 82 87 79   77 82 86 79   76 82 86 79   77 83 87 80
Dewpt         75 75 75 74   74 75 75 74   74 75 75 75   75 76 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    B1 B1 B1 SC   SC SC SC SC   SC SC B1 B1   B1 SC B1 B1
PoP 12hr         50    50      30    30      30    40      30    50
Rain shwrs    SC SC SC IS   IS SC SC SC   SC SC SC SC   SC SC SC SC
Tstms                  IS                                     IS IS

$$
PRZ003-312000-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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                78 88 93    69 76 82    78 88 93    70 76 82    77 87 92
Temp             83 87 88 84 79 78 76 76 83 87 88 83 80 78 77 76 82 86 87 82 79
Dewpt            74 74 73 74 74 74 73 73 74 74 74 75 74 75 75 74 75 75 74 75 74
RH               74 65 61 72 85 88 90 90 74 65 63 77 82 91 94 94 79 70 65 79 85
Wind dir          E  E SE  E  E  E NE  E  E SE SE  E  E  E  E  E  E  E SE  E  E
Wind spd          6 11 10  9  5  5  5  5  6 10 10  9  5  5  5  6  8 11 10  9  6
Wind gust           25 20 19                      19                21 20 19
Clouds           B1 SC SC SC SC SC B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     40          60          50          30          30
QPF 12hr              0.08-0.50   0.19-0.25   0.17-0.37   0.03-0.11   0.04-0.14
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC IS IS IS IS NM SC SC SC IS IS IS IS IS IS SC SC IS IS SC
Heat index       89 96 96 91 83          89 96 96 90 83 80       89 94 95 88 81
Max heat         97   105   104    91    99   106   106    92    97   105   104


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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    86      75    86      76    87
Temp          76 82 87 79   76 81 86 79   76 81 86 79   76 82 87 79
Dewpt         74 75 73 73   73 74 73 72   73 74 73 74   74 75 74 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC B1 B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50    50      30    30      20    20      20    40
Rain shwrs    SC SC SC IS   IS IS IS IS   IS IS IS IS   IS IS IS SC
Tstms                                                            IS

$$
PRZ004-312000-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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 93    68 73 77    77 87 94    69 73 77    76 85 92
Temp             81 86 87 83 77 75 74 73 81 86 87 81 77 75 74 73 80 84 85 80 76
Dewpt            74 74 73 73 73 73 73 72 74 74 74 74 73 74 73 73 75 75 75 75 73
RH               79 68 63 72 87 94 97 97 79 68 65 79 87 97 97100 85 74 72 85 90
Wind dir          E SE SE SE  E  E  E  E  E SE SE SE  E  E  E  E  E  E SE SE  E
Wind spd          4 10  9  8  3  3  2  2  4  9 10  9  4  4  3  4  6 10 10  9  4
Clouds           SC SC B1 SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     40          50          50          20          30
QPF 12hr              0.13-0.54   0.09-0.27   0.17-0.42   0.02-0.11   0.04-0.19
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS SC IS IS IS SC SC SC SC SC IS IS IS IS IS SC SC IS IS IS
Tstms                                          IS
Heat index       86 94 95 88             86 94 95 86             85 92 93 84
Max heat         98   106   104    87    97   108   106    87    97   107   105


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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      72    84      73    84      73    85
Temp          73 80 85 76   73 79 84 76   74 80 84 76   74 80 85 77
Dewpt         73 75 73 72   72 74 73 73   72 74 74 73   73 75 75 73
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40    40      30    30      20    30      20    40
Rain shwrs    IS SC SC IS   IS IS IS IS   IS IS IS IS   IS IS IS SC
Tstms                                                            IS

$$
PRZ005-312000-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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 75 82    85 90 94    72 75 82    84 88 92
Temp             84 89 90 85 80 77 76 75 84 89 90 84 80 77 76 75 83 87 88 82 79
Dewpt            77 77 78 77 76 76 75 74 77 78 78 77 76 76 75 74 77 78 78 78 76
RH               80 68 68 77 88 97 97 97 80 70 68 80 88 97 97 97 82 75 72 88 91
Wind dir          E  E NE  E  E SE SE SE SE  E  E  E SE SE SE SE  E  E  E  E  E
Wind spd          5  9 12 11  9  5  4  4  5  9 12  8  5  5  4  4  5 10 13  8  8
Wind gust              24 23                   24 18                   25 19
Clouds           SC FW B1 B2 B1 SC SC SC SC SC SC SC CL CL CL CL SC SC B1 B1 FW
PoP 12hr                     60          50          20          10          40
QPF 12hr              0.11-1.25        0.11   0.13-0.84        0.01   0.07-0.61
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    SC NM SC IS    IS IS IS IS IS             IS IS SC SC IS
Tstms                     IS IS                IS                      IS IS
Heat index       93102104 96 84          93102105 93 84          92101103 92 81
Max heat        100   116   114    92   100   117   115    93    99   114   113


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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      75    88      75    88      75    88
Temp          76 83 88 79   76 82 88 79   76 82 88 79   76 83 88 79
Dewpt         75 77 77 75   74 76 78 76   75 77 78 77   75 78 79 76
PWind dir        SE     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW SC SC   SC SC SC SC   SC FW FW SC   FW FW SC SC
PoP 12hr          5    20      10    20      10    20       5    20
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ006-312000-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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 92    62 72 76    75 84 92    63 72 75    74 82 90
Temp             79 83 84 80 75 74 73 72 79 83 84 79 75 74 73 72 78 81 82 78 75
Dewpt            72 73 73 73 72 72 71 70 73 73 73 74 72 72 72 71 73 74 74 74 72
RH               79 72 70 79 90 93 93 93 82 72 70 85 90 93 97 97 85 79 77 88 90
Wind dir          E SE SE SE  E  E  E  E  E SE SE SE SE  E  E  E  E  E SE SE  E
Wind spd          3  8  6  5  3  3  2  2  4  6  6  5  3  3  2  3  4  8  8  6  4
Wind gust           24 20                                           21
Clouds           SC SC B1 B2 SC SC SC SC SC B1 SC SC FW FW FW FW FW FW SC SC FW
PoP 12hr                     60          20          30           5          20
QPF 12hr              0.16-1.25   0.04-0.19   0.16-0.85        0.01   0.04-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC SC IS IS SC IS IS IS IS IS IS IS       IS IS SC SC IS
Tstms                     IS                   IS                      IS IS
Heat index       82 89 90 84             82 88 90 82             80 86 88 80
Max heat         95   105   104    84    95   106   105    83    93   104   103


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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    82      71    82      71    82      71    82
Temp          72 78 82 75   72 77 82 74   72 77 82 74   72 78 82 75
Dewpt         71 73 73 71   71 72 73 71   71 72 73 72   71 73 74 72
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW SC SC   SC SC SC SC   SC FW FW SC   FW FW FW SC
PoP 12hr         20    20      10    10      10    20       5    20
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ007-312000-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                75 88 94    64 76 82    75 88 94    65 75 82    74 87 93
Temp             83 87 88 84 79 78 76 76 83 87 88 82 79 77 76 75 82 86 87 82 79
Dewpt            72 73 73 73 72 72 71 70 71 73 73 74 73 73 72 72 73 73 74 74 73
RH               70 63 61 70 79 82 85 82 67 63 61 77 82 87 87 90 74 65 65 77 82
Wind dir          E SE SE SE  E NE NE NE  E SE SE SE  E  E  E  E  E SE SE SE  E
Wind spd          4 10  9  6  4  4  3  3  4 10  9  6  5  4  4  4  5 10 10  9  6
Wind gust           24 21                   21 20                   23 23 20
Clouds           SC SC B1 SC SC SC SC SC FW SC B1 SC FW FW FW FW FW FW SC SC FW
PoP 12hr                     40          10          40           5          20
QPF 12hr              0.07-0.94   0.02-0.19   0.14-1.12        0.01   0.03-0.61
Snow 12hr                    MM          MM          MM
Rain shwrs       IS SC SC IS IS IS IS IS IS IS SC IS IS IS             IS IS IS
Tstms                     IS                   IS
Heat index       87 94 95 90 83          87 94 95 88 82          87 92 94 87 82
Max heat         94   106   105    91    94   106   105    90    95   105   103


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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    86      75    86      75    87
Temp          76 82 87 79   76 82 86 78   76 82 86 79   76 82 87 79
Dewpt         72 73 73 73   71 71 74 72   70 71 73 73   71 72 74 73
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW SC SC   SC FW FW SC   SC FW FW SC   FW FW SC SC
PoP 12hr         10    20      10    30      10    20       5    20
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms                                IS                          IS

$$
PRZ008-312000-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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    71 74 82    85 88 94    70 74 82    84 87 94
Temp             83 87 88 84 79 77 75 74 83 87 88 82 78 76 75 74 82 86 87 82 78
Dewpt            74 75 76 75 75 75 74 72 74 75 77 75 75 75 74 73 75 76 77 76 75
RH               74 68 68 74 88 94 97 93 74 68 70 79 91 97 97 97 79 72 72 82 91
Wind dir          E  E NE NE  E SE  E SE  E  E NE NE SE SE  E  E  E  E NE  E  E
Wind spd          8  5  9 10 10  6  5  6  6  4  9  8  4  5  4  5  6  6  9  5  5
Wind gust              20 20                   19                      20
Clouds           FW FW OV B2 B2 SC SC SC FW SC B2 B1 CL CL CL CL FW FW B2 B2 FW
PoP 12hr                     70          50          60           5          60
QPF 12hr              0.85-1.26        0.11   0.21-1.12        0.01   0.61-0.81
Snow 12hr                    MM          MM          MM
Rain shwrs             NM NM SC IS    IS       SC SC             IS IS NM NM IS
Tstms                  IS IS IS                IS IS                   IS IS
Heat index       89 97 99 92 81          89 97100 89 80          88 96 99 88
Max heat         98   109   108    92    97   109   108    92    97   110   108


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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    87      74    87      74    87
Temp          75 82 87 78   75 82 87 78   75 82 87 78   75 82 87 78
Dewpt         74 75 76 75   73 74 76 75   74 74 77 76   74 75 77 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW SC B1   SC SC SC B1   SC FW FW B1   FW FW SC B1
PoP 12hr          5    60      10    40      10    50       5    60
Rain shwrs    IS IS NM IS   IS IS SC SC   IS IS SC SC   IS IS IS IS
Tstms               IS IS         IS IS         IS IS         IS IS

$$
PRZ009-312000-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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    65 72 76    75 85 94    65 72 75    74 84 93
Temp             79 84 85 81 76 74 73 72 79 84 85 79 76 74 73 72 79 83 84 79 75
Dewpt            72 73 74 73 73 73 71 69 72 73 74 73 72 73 71 70 73 74 74 73 72
RH               79 70 70 77 90 97 93 90 79 70 70 82 87 97 93 93 82 74 72 82 90
Wind dir          E  E SE  E  E  E  E  E SE SE SE  E SE  E  E  E  E  E  E  E SE
Wind spd          3  4  4  3  3  3  3  3  3  4  4  3  3  3  3  3  3  5  4  3  4
Wind gust           20 20                   21                      21 21
Clouds           FW SC OV OV B1 SC SC SC FW SC B2 B1 FW FW CL CL FW FW B2 B2 CL
PoP 12hr                     80          40          60           5          60
QPF 12hr              0.49-1.26   0.03-0.11   0.18-1.12        0.01   0.06-0.81
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS NM  D SC SC          IS NM SC                   SC SC
Tstms                  IS IS IS                IS IS                   IS IS
Heat index       82 90 92 85             82 90 92 82             82 89 91 81
Max heat         94   106   105    85    94   107   105    84    94   108   105


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          71    84      71    84      72    84      72    84
Temp          72 79 84 75   72 79 84 75   72 79 84 75   73 79 84 75
Dewpt         72 73 74 72   71 72 73 72   71 72 74 73   71 73 75 73
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL FW SC B1   SC FW FW B1   SC FW FW SC   CL CL SC B1
PoP 12hr          0    40      10    50      10    50       0    60
Rain shwrs          SC IS   IS IS SC SC   IS IS SC SC         NM IS
Tstms               IS IS         IS IS         IS IS         IS IS

$$
PRZ010-312000-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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    71 75 82    77 90 94    70 75 82    77 89 94
Temp             84 89 90 85 80 78 76 76 84 88 90 84 80 78 76 75 83 88 89 83 79
Dewpt            75 76 76 76 76 75 74 72 75 76 77 76 76 75 74 73 75 77 77 76 76
RH               74 66 64 75 88 91 94 87 74 68 66 77 88 91 94 94 77 70 68 80 91
Wind dir          E SE NE NE  E  E  E  E  E SE NE  E  E  E  E  E  E SE  E  E  E
Wind spd          5  3  5  5  6  5  5  6  5  5  5  6  6  5  5  5  5  4  5  5  6
Wind gust                 16 18 17    18 17 17 18    19 16       19 17 17 17 20
Clouds           FW FW B2 B2 B1 SC SC SC FW SC B2 B1 FW FW FW FW FW FW B2 B2 FW
PoP 12hr                     70          50          60           5          60
QPF 12hr              0.01-1.26   0.03-0.11   0.18-1.12   0.01-0.13   0.09-0.82
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS  D  D SC SC          IS NM SC                   NM NM IS
Tstms                  IS IS IS                IS IS                   IS IS
Heat index       91100102 95 83          91100102 92 83          91100102 91 82
Max heat         98   112   110    92    98   112   110    92    98   112   109


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          74    89      74    89      75    89      75    89
Temp          75 83 89 79   75 83 89 79   76 83 89 79   76 83 89 79
Dewpt         74 75 77 75   74 74 76 75   74 75 77 76   74 75 77 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC B1   SC FW SC B1   SC FW FW SC   FW FW SC B1
PoP 12hr          5    60      10    50      10    50       0    60
Rain shwrs    IS IS NM IS   IS IS SC SC   IS IS SC SC         NM IS
Tstms               IS IS         IS IS         IS IS         IS IS

$$
PRZ011-312000-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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    73 76 82    85 92 94    73 76 82    85 91 94
Temp             85 91 92 87 80 78 77 76 85 90 92 85 81 78 77 76 85 90 91 84 80
Dewpt            73 75 75 75 74 74 73 72 73 75 75 75 75 75 74 74 75 75 75 75 75
RH               67 60 58 68 82 88 87 87 67 62 58 72 82 91 90 94 72 62 60 74 85
Wind dir          E SE SE  E  E  E  E  E  E SE SE SE  E  E  E  E  E SE SE  E  E
Wind spd          6 11 12  6  6  6  6  6  6 13 12  9  8  8  9  6  8 13 13 12 10
Wind gust           24 26                   25 26                   25 27 25 20
Clouds           SC SC SC SC SC SC SC SC FW SC SC SC FW FW FW FW FW FW SC SC FW
PoP 12hr                     30          10          30           5          20
QPF 12hr              0.06-0.96   0.03-0.09   0.10-0.82        0.01   0.03-0.61
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC IS IS IS    IS    IS SC IS IS IS             IS IS IS
Tstms                                          IS
Heat index       92101103 96 85          91101103 93 85          93100103 92 83
Max heat         95   109   107    91    95   109   108    92    96   109   107


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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          76 84 91 80   76 84 91 80   76 84 91 80   77 85 91 80
Dewpt         74 75 75 75   74 72 75 75   72 71 75 75   73 73 76 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW FW SC   SC FW FW SC   SC FW FW SC   FW FW SC SC
PoP 12hr          5    30      10    30      10    20       5    10
Rain shwrs    IS IS SC IS   IS IS SC IS   IS IS IS IS   IS IS IS IS
Tstms                                IS

$$
PRZ012-312000-
Culebra-
Including the city of Culebra
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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 82    85 89 93    76 78 82    85 89 93
Temp             85 88 89 85 81 80 79 78 84 88 89 84 82 80 79 78 85 88 89 84 81
Dewpt            76 77 76 77 76 77 77 76 77 77 77 78 77 78 77 77 78 78 77 78 77
RH               75 70 66 77 85 91 94 94 80 70 68 82 85 94 94 97 80 72 68 82 88
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         13 13 10 10 12 12 11 11 11 12 12 11 12 12 13 14 16 14 13 13 13
Clouds           B1 SC SC SC B1 B1 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     40          40          40          20          20
QPF 12hr                   0.14        0.21        0.23        0.08        0.09
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC IS IS SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS IS
Heat index       95100100 96 88 84 81 80 94100101 95 89 85 82 81 95101101 95 88
Max heat         98   107   105    92    98   107   106    93    99   108   107


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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    89      79    89      79    89      79    89
Temp          79 84 89 82   80 85 89 82   79 85 89 82   80 85 89 82
Dewpt         77 77 76 76   76 77 77 76   77 78 77 77   78 78 78 77
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      BZ    BZ
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC B1   SC SC SC B1
PoP 12hr         30    30      20    30      30    40      30    50
Rain shwrs    IS SC SC IS   IS IS IS SC   SC SC SC SC   SC SC SC SC
Tstms                                                            IS

$$
PRZ013-312000-
Vieques-
Including the city of Vieques
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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    74 77 82    85 89 92    75 78 82    85 89 92
Temp             84 88 89 85 81 79 78 77 84 88 89 84 81 80 79 78 84 88 89 84 81
Dewpt            76 75 74 75 75 76 76 75 76 76 75 76 75 76 76 76 77 77 75 77 75
RH               77 66 61 72 82 91 94 94 77 68 64 77 82 88 91 94 80 70 64 80 82
Wind dir          E  E  E  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd         13 13  9  9 11 11 11 11 11 11 11  9 11 12 12 13 14 13 13 12 13
Clouds           B1 SC SC SC SC SC B1 SC B2 B2 SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     40          50          50          30          30
QPF 12hr                   0.17   0.20-0.25        0.30        0.09   0.06-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC IS IS SC IS SC SC SC SC IS IS IS IS IS IS SC SC IS IS SC
Heat index       93 98 98 95 86 82       93 99 99 93 87 84 80    94 99 99 93 86
Max heat         97   106   105    91    96   104   103    92    96   104   102


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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      79    89
Temp          78 84 89 82   80 85 89 82   79 84 89 82   79 84 89 82
Dewpt         76 76 74 75   75 76 75 75   75 77 75 76   77 77 76 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      BZ    BZ
Avg clouds    B1 B1 B1 SC   SC SC SC SC   SC SC B1 B1   B1 B1 SC B1
PoP 12hr         40    40      20    30      30    40      40    50
Rain shwrs    SC SC SC IS   IS IS IS SC   SC SC SC SC   SC SC SC SC
Tstms                                                            IS

$$
VIZ001-312000-
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 Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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 94    71 78 82    85 87 94    70 77 82    85 87 93
Temp             83 86 87 84 80 79 78 78 83 86 87 83 80 79 78 77 83 86 87 83 80
Dewpt            76 75 75 75 75 76 76 76 76 76 76 76 76 77 77 76 77 77 76 77 76
RH               80 70 68 74 85 91 94 94 80 72 70 80 88 94 97 97 82 75 70 82 88
Wind dir          E  E SE  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd         14 12 11 11 12 12 12 11 11 12 12 11 12 13 13 14 16 16 13 13 14
Clouds           SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     30          40          40          20          10
QPF 12hr              0.10-0.15        0.20        0.20        0.08        0.04
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS IS
Heat index       91 96 96 93 85 83 81 80 91 96 97 91 85 82 80 80 92 97 97 91 84
Max heat         99   109   107    92    99   107   106    93   100   107   106


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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    87      77    87      77    87      78    87
Temp          78 83 87 80   78 83 87 80   78 83 87 81   78 83 87 80
Dewpt         76 76 75 75   76 76 76 75   76 77 76 76   77 77 77 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    GN      GN    GN      BZ    BZ      BZ    BZ
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC B1   SC SC SC SC
PoP 12hr         20    20      20    20      20    40      30    40
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS SC SC   SC SC IS SC
Tstms                                                            IS

$$
VIZ002-312000-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 AM AST Sun Aug 31 2025

Date             Sun 08/31/25            Mon 09/01/25            Tue 09/02/25
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    76 79 82    85 88 94          80    85 88 94
Temp             85 88 88 85 82 80 79 79 84 88 88 85 82 81 80 80 85 87 88 84 81
Dewpt            76 76 76 76 76 77 76 76 77 77 77 77 77 77 77 77 77 77 77 77 76
RH               75 68 68 75 82 91 91 91 80 70 70 77 85 88 91 91 77 72 70 80 85
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         12 12 11 10 10 12 11 10 11 13 12 11 10 11 11 12 14 14 12 12 11
Clouds           CL SC SC SC SC SC B1 SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          40          40          30          10
QPF 12hr                   0.09   0.13-0.19        0.23        0.09        0.05
Snow 12hr                    MM          MM          MM
Rain shwrs          IS IS IS IS IS SC IS SC SC IS IS IS IS SC SC IS IS IS IS IS
Heat index       94100101 97 88 86 81 81 94 99100 95 90 89 86 86 95 99100 94 88
Max heat        100   112   111    92    99   110   109    94   101   109   108


Date          Wed 09/03/25  Thu 09/04/25  Fri 09/05/25  Sat 09/06/25
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    88      78    88      79    88
Temp          79 84 88 81   79 84 88 81   79 84 88 82   80 84 88 82
Dewpt         76 76 76 76   75 77 76 76   76 77 77 77   77 77 77 77
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC FW FW SC   SC SC SC SC   SC SC SC B1   SC SC SC SC
PoP 12hr         10    20      20    30      30    40      30    30
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS SC SC   IS SC SC SC

$$