Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 030902
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 AM AST Wed Sep 3 2025

PRZ001-032000-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                83 89 92    72 76 82    82 88 91    73 77 82    83 89 92
Temp             84 88 89 84 80 78 77 76 83 87 88 83 80 79 78 77 83 87 88 83 80
Dewpt            77 77 77 76 75 76 75 74 76 76 76 76 75 75 75 74 76 77 77 77 76
RH               80 70 68 77 85 94 94 94 80 70 68 80 85 88 91 90 80 72 70 82 88
Wind dir         SE SE SE SE SE SE SE SE  E  E  E  E  E SE SE  E  E  E  E  E  E
Wind spd          6 10 12 10  6  6  5  4  6 11 13 11  6  6  4  5  8 12 13 12  8
Wind gust                                                              24 23
Clouds           SC B1 B2 B1 SC SC SC FW CL FW FW SC CL CL SC SC SC SC B1 B1 SC
PoP 12hr                     60          30          30          20          50
QPF 12hr              0.53-0.73   0.02-0.11   0.03-0.12   0.01-0.15   0.07-0.78
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC NM SC IS IS SC IS    IS IS SC       IS IS IS IS SC SC IS
Tstms                  IS IS                                           IS IS IS
Heat index       93101101 93 85 81       91 98 98 92 85 82       92 98 99 92 84
Max heat         99   110   107    92    97   107   105    92    97   108   106
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
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    88      75    89
Temp          77 83 88 80   77 82 87 79   77 83 88 80   77 83 88 80
Dewpt         76 77 77 76   75 76 77 75   75 76 77 75   75 76 77 76
PWind dir         E     E       E     E      SE     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    LT
Avg clouds    SC B1 B1 B1   SC SC SC B1   SC SC B1 B1   SC SC B1 B1
PoP 12hr         30    70      30    70      40    60      40    60
Rain shwrs    SC SC NM NM   SC SC NM NM   SC SC NM NM   SC SC SC IS
Tstms               IS IS         IS IS         IS IS         IS IS

$$
PRZ002-032000-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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 88 93    65 75 82    74 87 92    66 77 82    74 88 93
Temp             83 87 88 83 79 77 76 75 82 86 87 83 80 78 77 77 83 86 87 83 80
Dewpt            76 76 75 76 74 75 74 74 75 75 74 75 74 75 74 74 75 76 76 77 75
RH               80 70 66 80 85 94 94 97 79 70 65 77 82 91 90 90 77 72 70 82 85
Wind dir         SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          9 11 11 10  9  9  8  8  9 11 11 11  9  9  8  8  9 12 12 11  9
Wind gust                       19                      19                   19
Clouds           B1 B1 B2 B1 B1 SC B1 B1 FW FW FW B1 FW FW B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     50          50          30          50          60
QPF 12hr              0.22-0.68   0.08-0.20   0.02-0.12   0.10-0.26   0.13-0.81
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC SC SC SC SC IS IS IS SC IS IS SC SC SC SC SC SC NM
Tstms                  IS IS IS                                        IS IS IS
Heat index       91 97 98 90 83          89 95 96 90 84 81       90 96 97 91 84
Max heat         99   109   107    93    97   106   106    93    99   109   108
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
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      75    87      74    87
Temp          77 83 88 79   76 82 87 79   76 82 86 78   75 82 86 79
Dewpt         75 76 76 74   75 75 75 74   74 75 75 74   74 75 75 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B1 B2 B1   SC SC B1 B1   SC SC B1 B2   SC SC B1 B1
PoP 12hr         60    70      50    70      50    70      50    70
Rain shwrs    SC SC NM SC   SC SC NM NM   SC SC NM NM   SC SC NM NM
Tstms         IS    IS IS         IS IS         IS IS         IS IS

$$
PRZ003-032000-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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    68 75 82    76 86 92    69 76 82    77 88 93
Temp             83 87 87 82 79 77 76 75 82 85 86 82 79 78 77 76 82 86 87 82 79
Dewpt            75 75 74 75 74 75 74 73 74 74 72 74 73 74 73 73 74 74 74 76 74
RH               77 68 65 79 85 94 94 94 77 70 63 77 82 88 87 90 77 68 65 82 85
Wind dir          E  E SE SE  E  E  E NE  E  E  E  E  E  E  E NE  E  E  E  E  E
Wind spd          8 10 10  9  8  8  8  5  8 12 11 10  9  8  6  6  9 12 12 10  8
Wind gust           20 21                   26 23 20                24 24 23
Clouds           SC SC B1 B1 B1 B1 SC SC FW FW CL FW FW FW SC SC B1 B1 SC SC SC
PoP 12hr                     50          50           5          40          40
QPF 12hr              0.15-0.36   0.04-0.18        0.01   0.02-0.25   0.02-0.22
Snow 12hr                    MM          MM          MM
Rain shwrs       IS SC SC SC SC SC IS IS          IS       IS IS SC SC IS IS SC
Tstms                     IS IS IS                                           IS
Heat index       89 96 96 89 82          87 93 93 88 83 80       88 93 94 89 83
Max heat         98   106   104    92    95   102   102    91    97   104   104
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          76    87      75    87      75    86      74    87
Temp          77 83 87 79   76 82 86 78   76 82 86 78   75 82 86 78
Dewpt         75 75 74 74   74 74 73 73   73 74 73 73   73 74 74 73
PWind dir         E     E      NE     E       E     E       E     E
Wind char        GN    GN      LT    GN      LT    GN      LT    LT
Avg clouds    SC B1 SC SC   SC SC SC SC   SC SC B1 B1   SC SC SC SC
PoP 12hr         50    50      40    40      40    60      50    50
Rain shwrs    SC SC SC SC   SC SC SC IS   SC SC SC SC   SC SC SC IS
Tstms         IS                                IS IS

$$
PRZ004-032000-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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 87 93    68 72 77    76 85 92    69 74 78    76 86 93
Temp             81 86 87 81 77 75 73 73 80 84 85 80 77 76 74 74 80 84 85 80 77
Dewpt            75 75 74 74 73 73 72 72 74 74 73 74 72 73 72 72 74 74 74 75 73
RH               82 70 65 79 87 94 97 97 82 72 67 82 85 90 93 93 82 72 70 85 87
Wind dir          E SE SE SE  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd          5  9 10  9  5  5  5  2  5 10 11 10  5  5  3  4  6 10 11 10  4
Clouds           SC SC B1 B2 B1 B1 SC FW CL FW FW SC CL CL SC SC SC SC B1 B1 SC
PoP 12hr                     50          50          20          30          50
QPF 12hr              0.22-0.68   0.04-0.17   0.01-0.09   0.01-0.20   0.07-0.80
Snow 12hr                    MM          MM          MM
Rain shwrs       IS SC SC SC SC SC IS IS       IS IS       IS IS SC SC SC SC IS
Tstms                  IS IS    IS                                     IS IS IS
Heat index       86 94 95 86             84 91 91 84             85 91 92 84
Max heat         99   108   106    87    96   105   103    87    97   105   104
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          73    85      73    85      73    85      71    86
Temp          74 80 85 77   73 80 85 76   73 80 85 76   73 80 85 76
Dewpt         73 75 74 73   73 74 74 72   72 74 74 72   72 74 74 73
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    LT
Avg clouds    SC B1 B1 B1   SC SC SC B1   SC SC B1 B1   SC SC B1 SC
PoP 12hr         50    50      30    50      40    60      40    50
Rain shwrs    SC SC SC SC   SC SC IS SC   SC SC SC SC   SC SC SC IS
Tstms         IS       IS         IS IS         IS IS            IS

$$
PRZ005-032000-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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                84 90 93    72 75 82    83 89 93    73 76 82    85 89 93
Temp             83 88 90 83 79 77 76 75 83 87 88 83 79 78 76 76 83 87 88 82 79
Dewpt            77 78 78 76 76 75 74 73 76 77 77 76 75 75 74 74 77 78 78 77 76
RH               82 72 68 80 91 94 94 94 80 72 70 80 88 91 94 94 82 75 72 85 91
Wind dir         SE  E  E  E SE SE SE SE  E  E  E  E  E SE SE SE  E  E  E  E  E
Wind spd          4  8 11  5  6  5  4  5  6 12 13 12  8  6  4  4  6 12 14 14 10
Wind gust              21 17                   26 24                   27 28 20
Clouds           SC SC B2 B2 SC SC FW FW CL FW CL B1 CL CL FW FW SC SC B1 B1 CL
PoP 12hr                     70           5          30           5          40
QPF 12hr              0.46-1.92        0.01   0.02-1.41        0.01   0.04-1.50
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS NM NM IS    IS             SC             IS IS SC SC
Tstms                  IS IS                      IS                   IS IS
Heat index       93103103 92 82          91100102 91 83          92100102 91 81
Max heat        100   114   110    92    97   114   111    92    99   113   111
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
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    89      74    89
Temp          76 83 88 79   76 82 87 79   76 83 88 79   76 83 88 79
Dewpt         75 77 78 76   75 77 78 76   74 77 78 76   74 77 78 76
PWind dir         E     E       E     E      SE     E      SE     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW SC SC SC   FW FW SC B1   FW FW SC B1   SC SC SC SC
PoP 12hr         10    40      10    60      10    70      20    40
Rain shwrs    IS IS IS SC   IS IS NM NM   IS IS IS NM   IS IS IS IS
Tstms                  IS         IS IS         IS IS

$$
PRZ006-032000-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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 84 91    61 71 75    74 82 90    61 72 76    75 83 90
Temp             78 83 84 78 75 73 72 71 78 81 82 78 75 74 72 72 78 81 82 77 75
Dewpt            73 74 73 73 71 72 71 70 72 72 72 72 71 71 71 70 72 73 73 73 72
RH               85 74 70 85 87 97 97 97 82 74 72 82 87 90 97 93 82 77 74 87 90
Wind dir          E SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          4  8  8  6  4  3  4  3  4  9  9  8  5  4  2  3  5  9 10  9  5
Wind gust           19 20                   26 21                   24 23 20
Clouds           SC SC B2 B2 SC SC FW CL CL CL SC B1 CL CL FW FW SC SC B1 B1 CL
PoP 12hr                     60          30          30          10          50
QPF 12hr              0.20-1.64   0.00-0.08   0.01-1.37        0.01   0.05-0.61
Snow 12hr                    MM          MM          MM
Rain shwrs          IS NM SC IS IS IS          SC SC             IS IS SC SC
Tstms                  IS IS                   IS IS                   IS IS
Heat index       81 89 90 81             80 86 87 80             80 85 86 80
Max heat         95   106   104    82    93   104   102    83    92   103   101


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
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      70    82
Temp          72 78 82 75   72 77 81 74   72 78 82 74   72 78 82 74
Dewpt         72 73 73 72   71 73 73 71   71 73 73 71   71 73 73 72
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC SC   FW FW SC SC   FW FW SC SC   FW SC SC SC
PoP 12hr         20    40      10    50      10    60      30    30
Rain shwrs    IS IS IS SC   IS IS IS IS   IS IS IS SC   IS IS SC IS
Tstms                             IS IS         IS IS

$$
PRZ007-032000-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                76 87 93    62 75 82    75 87 93    63 76 82    75 88 93
Temp             82 86 87 82 79 77 76 76 82 86 86 82 79 78 76 76 82 86 87 82 79
Dewpt            73 73 73 73 73 73 72 70 71 72 72 72 73 72 71 70 71 72 73 74 73
RH               74 65 63 74 82 87 87 82 69 63 63 72 82 82 85 82 69 63 63 77 82
Wind dir          E SE SE SE  E NE NE NE  E  E SE SE  E  E  E NE  E  E SE SE  E
Wind spd          5 10 10  9  6  5  5  5  4 12 11  8  8  8  4  4  4 11 11 10  6
Wind gust           21 24 21                26 25 19                26 26 24
Clouds           SC SC B1 B1 SC SC FW CL CL CL SC SC CL CL FW FW FW FW SC SC CL
PoP 12hr                     40          10          20           5          20
QPF 12hr              0.09-1.04        0.01   0.00-1.37           0   0.01-1.50
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC SC IS IS             SC IS             IS IS IS IS
Tstms                  IS                         IS
Heat index       88 93 95 87 82          86 92 93 87 82          86 92 93 88 82
Max heat         96   104   102    91    93   104   102    91    94   104   103
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
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      74    87
Temp          76 82 87 79   76 81 86 78   75 82 86 78   75 82 87 78
Dewpt         72 73 73 73   71 72 73 72   71 72 73 72   71 72 73 73
PWind dir         E     E      NE     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW SC SC SC   FW FW FW SC   FW FW SC SC   FW SC SC SC
PoP 12hr         10    40       5    30      10    30      30    30
Rain shwrs    IS IS IS SC   IS IS IS IS   IS IS SC SC   IS IS SC IS

$$
PRZ008-032000-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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                84 88 94    70 74 82    85 88 93    71 75 82    85 89 93
Temp             82 87 88 82 78 76 75 75 82 87 88 82 79 77 75 75 82 87 88 82 78
Dewpt            75 76 77 75 75 74 73 72 74 75 76 75 75 74 73 72 74 76 76 75 75
RH               79 70 70 79 91 94 94 90 77 68 68 79 88 90 94 90 77 70 68 79 91
Wind dir          E  E NE  E SE SE SE SE  E  E NE  E  E  E  E  E  E  E NE  E  E
Wind spd          4  5  8  2  3  4  4  5  6 10 11  8  8  6  5  5  8 11 13 10 11
Wind gust              19                      24 20                   26 25 21
Clouds           SC SC OV OV SC SC CL CL CL CL FW B1 CL CL FW FW FW FW B2 B2 CL
PoP 12hr                     80           0          50           5          70
QPF 12hr              1.47-2.05           0   0.40-1.55           0   0.10-1.75
Snow 12hr                    MM          MM          MM
Rain shwrs          SC  D  D                   IS SC                   NM NM
Tstms                  IS IS                      IS                   IS IS
Heat index       89 97100 89 80          88 96 98 89 80          88 96 98 88 80
Max heat         97   110   108    92    97   108   107    92    97   110   108
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
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      72    88
Temp          75 82 87 78   75 82 87 78   75 82 87 78   74 82 87 78
Dewpt         74 75 77 75   73 75 76 74   73 74 76 74   73 74 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW SC B1   FW FW SC B1   FW FW SC B2   SC SC SC B2
PoP 12hr          5    80       5    80      10    80      40    80
Rain shwrs    IS IS  D  D   IS     D  D   IS IS  D  D   SC SC IS  D
Tstms               SC SC         SC SC         SC SC         SC SC

$$
PRZ009-032000-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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 85 93    65 71 75    75 85 93    65 73 77    75 85 93
Temp             79 84 85 79 76 74 72 72 79 83 84 79 76 74 73 73 79 83 84 79 76
Dewpt            73 74 74 72 72 72 71 69 71 72 73 72 72 72 71 69 72 73 73 72 72
RH               82 72 70 79 87 93 97 90 77 70 70 79 87 93 93 87 79 72 70 79 87
Wind dir          E SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          3  5  4  3  3  4  3  4  3  6  5  3  4  4  3  3  3  6  5  4  4
Wind gust           21 23 19                24 24                   25 24
Clouds           SC SC B2 B2 SC SC CL CL CL CL B2 OV CL CL FW FW FW FW B2 B2 CL
PoP 12hr                     60           0          80           5          60
QPF 12hr              0.11-2.04           0   0.22-1.74           0   0.04-2.00
Snow 12hr                    MM          MM          MM
Rain shwrs          IS NM NM                   NM  D                   NM NM
Tstms                  IS IS                   IS IS                   IS IS
Heat index       82 90 92 82             82 89 91 82             82 89 90 82
Max heat         94   108   106    84    94   108   106    85    94   107   106


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          72    84      72    84      72    84      70    84
Temp          73 79 84 75   72 79 84 75   72 79 84 75   72 79 84 75
Dewpt         72 73 74 72   71 72 74 72   71 72 73 71   71 72 74 72
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC B1   CL CL SC B1   CL FW SC B1   SC SC SC B1
PoP 12hr          5    70       0    80      10    70      30    50
Rain shwrs          NM NM          D  D      IS IS NM   SC IS IS IS
Tstms               IS IS         SC SC         IS IS         IS IS

$$
PRZ010-032000-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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                79 90 94    69 74 82    78 90 93    69 76 82    78 90 93
Temp             83 88 90 83 79 77 75 75 84 89 90 84 80 78 76 76 84 88 89 83 80
Dewpt            75 76 77 76 75 75 74 72 74 75 76 76 75 75 73 72 74 76 77 76 76
RH               77 68 66 80 88 94 97 90 72 64 64 77 85 91 90 87 72 68 68 80 88
Wind dir          E SE  E  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd          5  5  4  5  4  6  5  5  6  5  5  5  4  8  6  4  5  5  6  5  5
Wind gust        17 17 17 19 21 20 19 19 20 18 17 17 18 18 23 18    17 17    16
Clouds           SC SC B2 B1 SC SC CL CL CL CL B1 B2 FW FW FW FW CL CL B2 B2 FW
PoP 12hr                     50           0          70           5          70
QPF 12hr              0.04-2.05   0.00-0.11   0.04-1.71   0.00-0.06   0.01-2.00
Snow 12hr                    MM          MM          MM
Rain shwrs          IS SC SC                   SC NM                    D  D IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       91100102 92 82          91100102 92 84          91 99101 92 83
Max heat         97   112   110    92    98   111   109    92    97   111   109
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    89      75    89      75    89      73    90
Temp          76 83 89 79   76 83 89 79   76 83 89 79   75 83 89 79
Dewpt         74 75 77 76   74 75 76 75   74 75 76 75   73 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   FW FW SC B1   CL FW SC B2   SC SC SC B1
PoP 12hr          0    60       0    80      10    80      50    50
Rain shwrs          NM NM          D  D      IS IS SC   SC SC IS SC
Tstms               IS IS         SC SC         SC SC            IS

$$
PRZ011-032000-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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                84 91 94    71 75 82    85 92 93    72 76 82    85 92 93
Temp             84 90 91 84 80 77 76 76 85 90 92 85 81 78 77 76 85 90 91 84 80
Dewpt            75 75 75 75 75 75 74 73 73 74 75 74 75 74 73 71 72 74 75 75 76
RH               74 62 60 74 85 94 94 90 67 60 58 70 82 88 87 85 65 60 60 74 88
Wind dir          E SE SE SE  E  E  E  E  E SE SE  E  E  E  E  E  E SE SE  E  E
Wind spd          8 13 14 12 10 10  8  8  6 13 14 10  9 11  9  4  5 14 14 11  8
Wind gust           25 28 26 25 21 19       28 31 25 19 26 19       28 32 26 19
Clouds           SC SC SC SC SC SC FW CL CL CL FW SC CL CL FW FW FW FW SC SC CL
PoP 12hr                     20          10          10           5          10
QPF 12hr              0.03-0.27        0.01   0.00-0.92           0   0.01-0.57
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    IS IS IS IS             IS IS                   IS IS
Heat index       92101102 92 84          91100102 92 85 80       90 99101 93 85
Max heat         96   110   108    91    94   109   107    92    94   108   106
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          76    91      76    90      75    90      74    92
Temp          77 85 91 80   76 84 90 80   76 84 90 80   76 84 91 80
Dewpt         74 74 75 76   74 73 75 74   73 73 74 74   73 73 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    FW FW FW SC   FW FW FW SC   CL FW SC SC   SC SC FW FW
PoP 12hr          5    30       0    20      10    30      30    20
Rain shwrs    IS IS SC SC         IS IS      IS IS SC   SC IS IS IS

$$
PRZ012-032000-
Culebra-
Including the city of Culebra
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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                84 88 92    76 79 82    85 89 93          80    85 89 93
Temp             84 87 88 84 82 80 79 79 85 88 88 85 83 81 80 80 85 88 89 84 82
Dewpt            77 77 77 77 76 77 76 76 76 77 76 77 76 77 77 76 77 78 78 79 78
RH               80 72 70 80 82 91 91 91 75 70 68 77 80 88 91 88 77 72 70 85 88
Wind dir          E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         16 16 14 14 16 16 14 13 14 14 14 14 17 14 14 16 14 16 14 14 18
Clouds           B1 SC SC B1 B1 SC SC SC SC SC CL SC SC SC B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     40          30          30          40          50
QPF 12hr                   0.16        0.09        0.06        0.23        0.20
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS IS SC SC IS IS IS IS IS    IS SC SC SC SC SC SC SC SC SC
Tstms                                                                  IS IS IS
Heat index       94 99 99 94 89 85 82 81 94 99100 95 90 89 86 85 96101101 96 90
Max heat         97   106   105    93    99   107   106    93   100   109   108
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    89      79    88      78    87      77    89
Temp          80 85 89 82   79 84 87 81   78 83 87 81   78 84 88 81
Dewpt         78 78 77 77   77 77 77 76   76 77 76 77   76 77 77 77
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      GN    BZ      BZ    BZ
Avg clouds    B2 B2 B2 SC   SC SC SC SC   SC SC SC SC   SC SC B1 B1
PoP 12hr         60    60      50    50      50    50      50    60
Rain shwrs    SC NM NM SC   SC SC SC SC   SC SC SC SC   SC SC NM NM
Tstms         IS                                              IS IS

$$
PRZ013-032000-
Vieques-
Including the city of Vieques
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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                84 89 92    76 78 82    85 89 92          79    85 90 93
Temp             84 88 89 84 82 80 79 79 85 88 89 85 82 81 79 79 85 88 89 85 82
Dewpt            76 76 75 75 75 75 75 75 75 75 74 75 75 76 75 75 76 76 76 77 76
RH               77 68 64 74 79 85 88 88 72 66 61 72 79 85 88 88 75 68 66 77 82
Wind dir          E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         13 13 13 13 16 16 13 13 14 13 13 14 14 14 13 14 14 16 14 14 18
Clouds           B1 SC B1 B1 B2 B1 SC SC SC SC CL SC SC SC B2 B2 B2 B2 B1 B1 B2
PoP 12hr                     50          50          20          50          60
QPF 12hr              0.19-0.26        0.17        0.05        0.27   0.22-0.69
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS SC SC SC SC SC IS IS IS    IS IS IS SC SC SC SC SC SC NM
Tstms                        IS                                        IS IS IS
Heat index       93 98 98 93 88 85 81 80 93 98 98 93 89 87 84 83 94 99 99 94 89
Max heat         96   103   101    91    96   102   101    92    97   104   103
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    89      78    89      77    88      76    89
Temp          79 85 89 81   79 84 89 81   78 83 87 80   77 83 88 80
Dewpt         76 77 76 75   76 76 74 75   75 76 74 75   75 76 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    GN      GN    BZ      BZ    GN
Avg clouds    B2 B2 B2 SC   SC SC B1 B1   SC SC B1 B1   SC SC B1 B1
PoP 12hr         60    60      50    60      50    60      50    70
Rain shwrs    NM NM NM SC   SC SC NM NM   SC SC SC SC   SC SC NM NM
Tstms         IS                  IS IS         IS IS         IS IS

$$
VIZ001-032000-
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 Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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                84 86 91    70 77 82    84 86 92    71 78 82    84 87 93
Temp             82 85 86 82 80 79 78 77 82 85 86 83 80 79 78 78 83 85 86 83 80
Dewpt            76 76 76 76 75 76 75 75 76 76 75 76 75 77 76 76 77 77 77 77 76
RH               82 75 72 82 85 91 91 94 82 75 70 80 85 94 94 94 82 77 75 82 88
Wind dir          E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         14 16 16 14 16 16 13 14 13 13 14 14 16 14 14 16 14 16 16 16 18
Clouds           B1 SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     40          20          30          40          40
QPF 12hr                   0.11        0.02        0.06   0.16-0.23        0.18
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS IS IS IS    IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC
Tstms                                                                  IS IS IS
Heat index       90 95 95 89 84 80       89 95 95 90 85 82 80 80 90 96 96 91 85
Max heat         98   103   102    92    97   104   103    92    99   106   105
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          78    85      77    86      77    84      76    86
Temp          78 82 85 80   77 82 86 80   77 81 84 79   78 82 85 80
Dewpt         77 77 76 76   76 77 75 75   76 76 76 76   76 77 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    B1 B1 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50    50      50    50      50    50      50    50
Rain shwrs    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
Tstms         IS

$$
VIZ002-032000-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 AM AST Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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                84 89 94    78 80 84    85 89 93    77 79 83    85 89 93
Temp             85 88 89 85 83 81 80 80 85 88 89 85 82 81 80 79 84 87 88 85 82
Dewpt            76 76 76 77 76 75 75 75 75 76 75 76 76 76 76 76 77 77 77 78 77
RH               75 68 66 77 80 82 85 85 72 68 64 75 82 85 88 91 80 72 70 80 85
Wind dir         SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         13 16 16 13 12 13 12 11 11 13 14 13 12 13 13 13 14 14 14 14 16
Clouds           B1 B1 SC SC SC SC SC SC SC SC FW SC SC SC B1 B1 B2 B2 B1 B1 SC
PoP 12hr                     40          20          30          50          50
QPF 12hr                   0.09        0.04        0.07        0.24        0.19
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC IS IS       IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC
Tstms                                                                  IS IS
Heat index       94 99 99 95 90 87 85 85 94 99 99 94 89 86 83 83 94 99100 95 91
Max heat         99   108   107    94    99   108   107    92   101   110   109
Heat                 Y  Y


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
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    88      78    87      77    87      78    88
Temp          80 85 88 81   79 83 87 80   78 83 87 82   79 84 87 82
Dewpt         77 77 77 76   76 76 76 76   76 77 76 76   76 77 76 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50    50      40    50      50    50      50    50
Rain shwrs    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC

$$