Area Forecast Matrices
Issued by NWS San Juan, PR

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350
FOCA52 TJSJ 292102
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 PM AST Fri Aug 29 2025

PRZ001-300800-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                73 78 83    82 89 92    72 77 83    82 90 92    73 77 82
Temp             81 79 77 79 85 88 89 86 81 79 78 78 85 89 90 86 81 79 78 77 85
Dewpt            77 77 76 75 77 77 77 76 75 76 75 75 76 77 77 76 75 76 75 75 76
RH               88 94 97 88 77 70 68 72 82 91 91 91 75 68 66 72 82 91 91 94 75
Wind dir          E  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          6  5  4  4  5 11 12 11  8  5  4  5  6 11 12 11  6  5  4  4  6
Wind gust                          23
Clouds           SC B1 SC SC SC B1 SC SC FW SC B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                     40          40          40          20          30
QPF 12hr              0.09-0.20   0.06-0.34        0.09   0.07-0.13        0.07
Snow 12hr                    MM          MM          MM
Rain shwrs       IS SC IS IS SC SC IS IS IS SC SC SC IS IS IS IS IS IS IS IS SC
Tstms                           IS
Heat index       87 82    81 95102102 96 86 82       94101103 96 86 81       94
Max heat        103    93   101   113   109    95   100   113   111    93   101


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          90      77    90      76    90      76    90      76    90
Temp          90 81   78 85 90 80   77 84 90 80   77 84 90 80   77 84 90 80
Dewpt         77 76   76 77 77 76   76 76 77 76   75 76 76 75   75 76 76 76
PWind dir         E      SE     E      SE     E      SE     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   FW SC B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40      20    40      40    40      20    20      30    30
Rain shwrs    SC SC   IS IS SC SC   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms         IS IS         IS IS

$$
PRZ002-300800-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                67 76 83    75 88 93    66 75 83    75 88 92    66 76 82
Temp             80 79 77 77 83 87 88 84 80 78 76 77 83 87 88 84 80 78 77 76 83
Dewpt            75 76 75 75 75 76 75 75 74 75 74 74 75 75 75 75 74 75 75 74 75
RH               85 91 94 94 77 70 66 74 82 91 94 90 77 68 66 74 82 91 94 94 77
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          8  8  6  6  8 10 11  9  8  6  5  8  8 10 10  9  6  6  6  6  8
Clouds           B1 B1 SC B1 B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC B1
PoP 12hr                     40          40          50          50          50
QPF 12hr              0.18-0.32   0.07-0.31        0.12   0.09-0.14        0.10
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC SC SC IS IS IS SC SC SC SC SC IS IS SC SC SC SC SC
Tstms                           IS
Heat index       86 82       91 97 97 92 83          90 97 97 93 84 80       91
Max heat        102    93    99   106   106    96    98   106   105    93   100


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      77    88      76    88      75    88      76    88
Temp          88 80   77 83 88 80   77 83 88 79   76 83 88 79   76 83 88 80
Dewpt         75 74   75 75 75 75   75 75 75 74   74 75 75 74   75 75 75 75
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    B1 B1   SC SC B1 B1   B1 B1 B1 SC   SC SC SC SC   SC SC B1 B1
PoP 12hr         50      50    50      50    50      30    30      30    40
Rain shwrs    SC SC   IS SC SC SC   SC SC SC IS   IS SC SC SC   SC SC SC SC
Tstms         IS IS            IS

$$
PRZ003-300800-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                69 76 83    78 88 93    68 75 83    78 88 93    69 76 82
Temp             80 78 76 77 84 87 88 84 80 78 76 76 83 87 88 84 80 78 77 76 83
Dewpt            75 75 75 75 75 76 75 75 74 75 74 74 75 75 75 76 74 75 75 74 75
RH               85 91 97 94 74 70 66 74 82 91 94 94 77 68 66 77 82 91 94 94 77
Wind dir          E  E NE NE NE  E  E  E NE NE NE NE  E  E  E  E  E  E  E  E  E
Wind spd          6  6  5  5  6 11 11  9  6  6  5  6  6 11 10  9  6  6  5  6  8
Wind gust                       24 24 20                24 23 19
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC B1
PoP 12hr                     30          30          30          30          40
QPF 12hr              0.06-0.25   0.04-0.10   0.02-0.12   0.07-0.14   0.05-0.10
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS SC IS IS IS IS SC SC SC SC SC IS IS IS IS IS IS SC
Heat index       84 80       92 98 99 93 83          91 98 98 93 84          91
Max heat        102    93   100   109   109    96    98   109   108    93   100


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      76    88      76    88      75    88      75    88
Temp          88 80   77 83 88 79   77 83 88 79   76 82 88 79   76 83 88 79
Dewpt         75 74   75 74 74 74   74 74 74 73   74 73 72 73   73 73 73 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B1 SC   SC SC SC SC   SC B1 B1 SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40      30    30      50    50      30    30      20    20
Rain shwrs    SC IS   IS IS IS IS   SC SC SC IS   IS IS IS IS   IS IS IS IS

$$
PRZ004-300800-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                68 73 78    77 87 93    67 73 77    77 87 93    68 73 77
Temp             77 75 74 75 82 86 87 83 77 75 74 74 82 86 87 83 77 75 74 73 81
Dewpt            74 74 73 73 74 74 73 73 72 73 72 72 74 74 74 74 73 74 73 72 74
RH               90 97 97 94 77 68 63 72 85 94 93 93 77 68 65 74 87 97 97 97 79
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          4  3  3  3  4  9 10  8  4  3  2  3  5  9 10  8  4  3  3  3  5
Clouds           SC SC SC SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     30          40          30          20          40
QPF 12hr              0.07-0.26   0.05-0.31   0.06-0.12   0.07-0.14        0.07
Snow 12hr                    MM          MM          MM
Rain shwrs       IS SC IS IS SC SC IS IS IS SC SC SC SC SC IS IS IS IS IS IS SC
Tstms                           IS
Heat index                   88 95 95 88             87 94 95 89             86
Max heat        100    88   100   107   106    87    99   107   106    87    98


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      73    87      73    87      72    87      73    87
Temp          87 78   74 81 87 77   74 81 87 77   73 81 87 77   74 81 87 77
Dewpt         74 73   73 74 74 73   73 74 74 73   73 74 73 72   73 74 74 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B1 SC   SC SC SC SC   SC SC B1 SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40      20    30      40    40      30    30      20    20
Rain shwrs    SC IS   IS IS IS IS   IS SC SC IS   IS IS IS IS   IS IS IS IS
Tstms            IS

$$
PRZ005-300800-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                73 76 83    85 90 93    72 75 83    85 90 94    72 75 82
Temp             80 77 75 77 84 89 90 85 80 77 76 76 84 89 90 85 80 77 76 75 84
Dewpt            76 76 75 75 77 78 78 77 76 76 75 74 77 77 78 77 76 76 75 74 77
RH               88 97100 94 80 70 68 77 88 97 97 94 80 68 68 77 88 97 97 97 80
Wind dir          E SE SE SE  E  E NE NE  E  E  E SE  E  E NE  E  E  E  E  E  E
Wind spd          5  4  4  5  5 10 12 10  9  6  5  5  6  9 12 10  8  6  4  5  5
Wind gust                          24 21                   23
Clouds           FW SC SC FW FW SC B1 SC FW FW FW SC SC SC SC SC SC SC SC SC FW
PoP 12hr                     30          30          30          30          10
QPF 12hr              0.03-0.12   0.03-0.94   0.01-0.07   0.06-1.01        0.03
Snow 12hr                    MM          MM          MM
Rain shwrs       IS SC IS IS IS IS SC IS IS IS IS SC IS IS SC SC IS IS IS IS IS
Tstms                              IS IS                   IS IS
Heat index       84          95103105 96 84          94102105 96 84          94
Max heat        105    93   103   116   113    96   101   116   115    93   101


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          90      75    90      75    90      75    90      75    90
Temp          90 80   76 84 90 79   76 83 90 79   76 83 90 79   76 83 90 79
Dewpt         79 76   75 77 78 76   75 77 78 76   75 77 78 76   74 77 77 76
PWind dir         E      SE     E      SE     E      SE     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   CL FW SC SC   FW FW SC SC   SC SC SC SC   SC FW FW SC
PoP 12hr         10      10    40       5    10      10    20      10    20
Rain shwrs    IS IS      IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms                       IS IS

$$
PRZ006-300800-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                63 72 76    75 84 92    61 71 76    75 84 92    62 72 76
Temp             75 73 72 74 80 83 84 80 76 74 72 73 79 83 84 80 75 74 73 72 79
Dewpt            72 73 72 71 73 74 74 74 72 72 71 71 73 73 73 74 72 72 71 71 73
RH               90100100 90 79 74 72 82 87 93 97 93 82 72 70 82 90 93 93 97 82
Wind dir          E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E  E  E  E
Wind spd          3  3  2  3  3  8  6  4  4  3  3  3  3  8  6  5  3  3  2  3  4
Wind gust                       23 23                   23 21
Clouds           SC SC SC FW SC SC B1 SC FW SC FW FW SC SC SC SC SC SC SC SC SC
PoP 12hr                     10          40          30          30          20
QPF 12hr              0.03-0.11   0.03-0.95   0.02-0.09   0.06-1.01        0.04
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS    IS IS SC IS    SC IS IS IS IS SC SC IS IS IS IS IS
Tstms                           IS IS                      IS IS
Heat index                   83 89 91 84             82 89 91 84             82
Max heat         98    84    98   108   106    84    97   109   106    85    96


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          84      72    84      71    84      71    84      71    84
Temp          84 75   73 79 84 75   72 78 84 75   72 78 84 75   72 78 84 75
Dewpt         74 72   72 73 74 72   71 73 74 72   71 72 73 71   71 72 73 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW   FW FW SC SC   FW FW SC SC   SC SC SC SC   SC FW FW SC
PoP 12hr         20       5    20      20    20      10    10      10    20
Rain shwrs    IS IS      IS IS SC   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms                          IS

$$
PRZ007-300800-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                65 76 83    75 88 94    63 75 83    75 88 94    64 76 82
Temp             79 77 76 78 84 87 88 84 79 77 76 76 83 87 88 84 79 78 76 76 83
Dewpt            74 74 72 71 73 74 75 75 74 73 71 71 73 74 75 75 74 73 72 71 73
RH               85 90 87 79 70 65 66 74 85 87 85 85 72 65 66 74 85 85 87 85 72
Wind dir          E  E NE NE  E SE SE  E  E NE NE NE NE  E SE  E  E  E NE  E  E
Wind spd          4  4  3  3  3 10 10  6  4  3  3  3  3 10 10  6  4  4  3  4  4
Wind gust                       23 24                   24 24
Clouds           FW FW FW FW FW FW SC SC FW FW CL CL FW FW B1 B1 SC SC SC SC SC
PoP 12hr                      5          30           5          40          20
QPF 12hr                   0.03   0.02-1.03        0.01   0.06-1.01        0.03
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    IS    IS IS SC IS IS IS       IS IS SC SC IS IS IS IS IS
Tstms                              IS IS                   IS IS
Heat index       82          90 96 98 92 83          89 95 98 92 83          88
Max heat         99    92    99   110   110    95    96   109   108    93    98


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      75    87      75    87      75    87      75    87
Temp          88 79   76 82 87 79   76 82 87 79   76 82 87 79   76 82 87 79
Dewpt         75 74   73 73 74 73   72 72 73 73   72 71 74 73   71 71 72 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   FW FW SC SC   FW FW SC SC   SC FW FW SC   SC FW FW SC
PoP 12hr         20       5    10      10    30      10    30      10    20
Rain shwrs    IS IS         IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms                          IS                          IS

$$
PRZ008-300800-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                71 75 83    85 88 94    71 74 83    85 88 94    71 74 82
Temp             78 76 75 77 83 87 88 84 79 77 75 76 83 87 88 84 79 77 75 74 83
Dewpt            75 75 74 73 75 76 76 75 75 75 74 72 74 75 76 75 75 75 74 73 74
RH               91 97 97 87 77 70 68 74 88 94 97 87 74 68 68 74 88 94 97 97 74
Wind dir          E  E SE  E  E NE  E NE  E  E  E  E  E  E NE NE  E  E  E  E  E
Wind spd          4  4  4  6  6  8  6  9 10  8  8  8  8  8  8  8  8  6  5  6  6
Wind gust                          18                      19 18
Clouds           FW SC FW CL CL CL B1 B1 SC CL CL FW FW FW B1 B1 SC SC SC SC FW
PoP 12hr                     10          50          10          40          10
QPF 12hr                   0.03   0.27-1.02        0.02   0.43-1.01        0.02
Snow 12hr                    MM          MM          MM
Rain shwrs          IS IS          SC SC IS       IS IS IS SC SC IS IS IS IS
Tstms                              IS IS                   IS IS
Heat index       80          91 98100 92 81          90 97 99 92 80          89
Max heat        101    92   100   112   110    95    99   109   107    93    98


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      74    88      74    88      74    88      74    88
Temp          88 78   75 82 88 78   75 82 88 78   75 82 88 78   75 82 88 78
Dewpt         77 75   74 75 77 76   74 75 76 75   74 75 76 75   73 75 76 75
PWind dir         E      SE     E      SE     E       E     E       E     E
Wind char        LT      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   CL FW SC B1   FW FW FW SC   SC SC SC B1   SC FW FW SC
PoP 12hr         60       5    60       5    40      10    40      10    30
Rain shwrs    SC SC      IS NM NM   IS IS SC IS   IS IS SC SC   IS IS SC SC
Tstms         IS IS         IS IS            IS         IS IS            IS

$$
PRZ009-300800-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                66 73 76    75 85 94    65 71 75    75 85 94    65 72 76
Temp             76 74 72 74 80 84 85 81 76 74 72 73 80 84 85 81 76 74 73 72 79
Dewpt            72 73 72 70 72 73 74 73 72 73 71 70 72 73 73 73 73 73 72 70 72
RH               87 97100 87 77 70 70 77 87 97 97 90 77 70 67 77 90 97 97 93 79
Wind dir          E  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          3  3  2  3  3  4  3  3  3  3  3  3  3  4  4  3  3  3  3  3  3
Wind gust                       20 20                   20 23
Clouds           FW FW FW CL CL FW B2 B2 SC FW CL FW FW FW B2 B2 SC SC SC SC FW
PoP 12hr                      5          70          20          60          10
QPF 12hr                   0.02   0.37-1.12        0.02   0.62-1.01        0.02
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS          NM NM IS IS             NM NM IS IS IS IS IS
Tstms                              IS IS                   IS IS
Heat index                   84 91 93 85             83 90 92 85             83
Max heat         98    85    97   110   109    87    96   110   109    86    95


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          85      72    85      72    85      71    85      72    85
Temp          85 76   73 79 85 76   73 79 85 75   72 79 85 76   73 79 85 76
Dewpt         74 72   72 73 74 73   71 72 74 72   71 72 74 72   71 72 73 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   CL FW SC B1   CL FW SC B1   SC FW FW B1   SC FW FW SC
PoP 12hr         50       5    60       0    50      10    50      10    50
Rain shwrs    IS SC         NM NM         SC SC   IS IS SC SC   IS IS SC SC
Tstms         IS IS         IS IS         IS IS         IS IS         IS IS

$$
PRZ010-300800-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                71 76 83    78 90 94    70 75 83    77 90 94    71 75 82
Temp             80 78 76 78 85 89 90 85 80 78 76 77 84 89 90 85 80 78 76 76 84
Dewpt            76 76 75 73 75 76 77 76 76 75 74 72 74 76 76 76 76 75 74 73 75
RH               88 94 97 85 72 66 66 75 88 91 94 85 72 66 64 75 88 91 94 90 74
Wind dir          E  E  E  E  E  E NE NE  E  E  E  E  E  E  E NE  E  E  E  E  E
Wind spd          5  4  4  5  5  3  4  5  6  4  5  5  5  4  5  5  6  6  5  5  5
Wind gust        16       16             17 17             17 16          17 16
Clouds           FW CL FW FW CL FW B2 B2 B1 FW FW CL FW FW B2 B2 SC SC SC SC FW
PoP 12hr                      5          70          40          60          10
QPF 12hr              0.01-0.16   0.04-1.12   0.02-0.08   0.43-1.01        0.03
Snow 12hr                    MM          MM          MM
Rain shwrs       SC                NM NM SC                NM NM IS IS IS IS IS
Tstms                              IS IS                   IS IS
Heat index       83          93101103 95 84          92100102 95 83          92
Max heat        102    92   100   114   110    94   100   112   110    93    99


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          90      75    89      75    89      74    89      75    89
Temp          90 80   76 83 89 79   76 83 89 79   75 83 89 79   76 83 89 79
Dewpt         77 76   75 75 77 76   74 75 76 75   74 75 77 75   74 75 76 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   FW FW SC B1   FW FW SC B1   SC FW SC B1   SC FW FW SC
PoP 12hr         50       5    60       5    50      10    50      10    50
Rain shwrs    IS SC         NM NM   IS IS SC SC   IS IS SC SC   IS IS SC SC
Tstms         IS IS         IS IS         IS IS         IS IS         IS IS

$$
PRZ011-300800-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                73 76 83    85 92 94    72 75 83    85 92 94    73 76 82
Temp             80 78 76 78 86 91 92 87 81 79 76 77 86 91 92 87 80 78 77 76 85
Dewpt            76 76 74 72 75 77 78 77 77 76 73 72 74 76 77 77 76 76 74 73 75
RH               88 94 94 82 70 64 64 72 88 91 90 85 68 62 62 72 88 94 90 90 72
Wind dir          E  E  E NE  E SE SE  E  E  E  E NE  E SE SE  E  E  E  E  E  E
Wind spd          6  8  6  4  5 11 12  8  5  4  4  4  5 11 14 10  6  8  8  6  8
Wind gust                       24 27                   24 29 23       19
Clouds           FW CL FW FW FW FW B1 B1 SC CL CL FW FW FW B1 B1 SC SC SC SC SC
PoP 12hr                      5          40          30          40          10
QPF 12hr                   0.02   0.03-1.12        0.03   0.12-1.01        0.03
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    IS          SC SC SC                SC SC IS IS IS IS IS
Tstms                              IS IS                   IS IS
Heat index       86          94104107 99 87          94103106 98 86          94
Max heat         99    92    99   112   112    95    98   112   110    93    98


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          92      76    91      76    91      75    91      75    91
Temp          92 81   77 85 91 80   77 85 91 80   76 84 91 80   76 85 91 80
Dewpt         77 76   75 75 75 75   74 74 75 75   73 73 75 74   73 72 74 74
PWind dir        SE       E    SE       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   FW FW SC SC   FW FW FW SC   SC FW FW SC   SC FW FW SC
PoP 12hr         20       5    10       5    20      10    30      10    20
Rain shwrs    IS IS         IS IS   IS IS SC IS   IS IS SC IS   IS IS IS IS
Tstms                                                      IS

$$
PRZ012-300800-
Culebra-
Including the city of Culebra
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                77 80 83    85 89 93    76 79 83    85 89 93    76 79 82
Temp             83 82 80 80 85 88 89 86 82 81 80 80 85 88 89 86 82 80 79 79 85
Dewpt            77 78 77 77 77 77 76 77 76 77 77 76 77 77 76 77 76 77 77 76 77
RH               82 88 91 91 77 70 66 75 82 88 91 88 77 70 66 75 82 91 94 91 77
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 12 12 13 13 11 11 12 13 11 13 13 13 11 11 12 13 12 11 12
Clouds           SC SC B1 B2 B1 SC FW SC CL SC B1 SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     50          30          40          20          50
QPF 12hr                   0.30        0.06        0.07        0.08        0.08
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC SC IS IS IS    IS SC SC IS IS IS IS IS IS IS IS SC
Heat index       92 90 86 85 95100100 96 90 86 83 83 95100100 97 89 85 82 81 95
Max heat        102    94   100   106   108    96   100   107   105    94   100


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          89      80    89      80    89      80    89      80    89
Temp          89 83   80 85 89 82   80 85 89 82   80 85 89 82   80 85 89 82
Dewpt         77 76   77 77 77 77   77 77 77 76   77 77 77 76   77 77 77 77
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC B1
PoP 12hr         50      20    20      30    30      20    30      30    40
Rain shwrs    SC IS   IS IS IS IS   IS SC SC IS   IS IS IS SC   SC SC SC SC

$$
PRZ013-300800-
Vieques-
Including the city of Vieques
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                74 78 83    85 89 92    74 77 83    85 89 92    75 78 82
Temp             82 81 80 79 85 88 89 85 81 79 78 78 84 88 89 85 82 80 79 78 85
Dewpt            76 77 76 75 76 75 74 75 74 75 75 75 76 76 74 75 75 76 75 75 76
RH               82 88 88 88 75 66 61 72 79 88 91 91 77 68 61 72 79 88 88 91 75
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 12 12 12 13 13 11 11 13 13 11 13 13 12 10 11 12 13 12 11 12
Clouds           B1 B1 B1 B1 B1 B1 SC SC FW SC B1 SC B1 B1 SC SC SC SC SC SC B2
PoP 12hr                     50          40          40          30          50
QPF 12hr                   0.32        0.09        0.08        0.11        0.10
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC SC SC IS IS IS IS SC SC SC SC IS IS SC SC SC SC SC
Heat index       89 87 83 80 94 98 98 94 87 81 80 80 93 98 98 95 88 84 80    94
Max heat         99    92    97   103   103    94    97   105   102    92    97


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          89      79    89      79    89      79    89      79    89
Temp          89 82   80 85 89 82   79 84 89 82   79 84 89 82   79 84 89 82
Dewpt         75 75   76 76 75 75   76 76 75 75   75 76 74 74   75 76 75 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 SC   SC SC SC SC   B1 B1 B1 SC   SC SC SC SC   SC SC B1 B1
PoP 12hr         50      30    30      40    40      20    30      30    40
Rain shwrs    SC IS   IS IS SC IS   SC SC SC IS   IS IS IS SC   SC SC SC SC

$$
VIZ001-300800-
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 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                72 78 83    85 87 94    72 78 83    85 87 94    71 78 82
Temp             81 80 79 79 84 86 87 84 81 80 79 79 83 86 87 84 80 79 78 78 83
Dewpt            76 77 77 76 76 76 75 75 75 76 76 76 76 75 75 76 75 76 76 76 76
RH               85 91 94 91 77 72 68 74 82 88 91 91 80 70 68 77 85 91 94 94 80
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 16 14 14 13 13 11 12 13 13 12 13 13 13 12 11 12 12 12 11 12
Clouds           SC SC SC B2 SC SC FW SC SC SC B1 SC FW FW SC SC SC SC SC SC B1
PoP 12hr                     50          30          40          10          40
QPF 12hr              0.18-0.26        0.06        0.06        0.06        0.05
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS SC SC IS IS IS IS IS SC IS IS IS IS IS IS IS IS IS SC
Heat index       88 86 83 82 92 96 96 93 87 84 82 82 92 95 96 93 85 82 80 80 91
Max heat        101    94   100   107   110    95   100   107   106    93   100


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      79    87      79    87      79    87      79    87
Temp          87 81   79 84 87 81   79 83 87 81   79 83 87 81   79 83 87 81
Dewpt         76 75   77 76 76 76   76 76 76 75   76 76 75 75   76 76 76 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    BZ      GN    GN
Avg clouds    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC B1
PoP 12hr         40      20    10      20    20      20    20      20    40
Rain shwrs    SC IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS SC SC

$$
VIZ002-300800-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 PM AST Fri Aug 29 2025

Date           08/29/25      Sat 08/30/25            Sun 08/31/25            Mon
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      80    85 88 94    76 79 83    85 88 94    76 79 82
Temp             82 81 80 81 85 88 88 85 82 81 80 80 85 88 88 85 82 80 79 79 84
Dewpt            77 77 77 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76
RH               85 88 91 85 75 68 68 75 82 85 88 88 75 68 68 75 82 88 91 91 77
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         11 13 13 12 12 13 11 12 11 11 12 12 13 12 12 10 10 12 10 10 12
Clouds           SC SC SC B2 SC FW SC SC FW FW FW SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     50          30          30          30          40
QPF 12hr                   0.24        0.05        0.04        0.11        0.09
Snow 12hr                    MM          MM          MM
Rain shwrs       IS SC IS SC SC IS IS IS IS IS IS IS SC SC IS IS SC SC SC SC SC
Heat index       90 88 84 87 95 99100 96 89 86 83 83 94 98 99 95 88 85 81 80 94
Max heat        104    93   102   110   109    95   100   109   107    93   100


Date           09/01  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25  Fri 09/05/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      79    88      79    88      79    88      79    88
Temp          88 82   80 84 88 82   80 84 88 82   80 84 88 82   80 84 88 82
Dewpt         76 76   76 76 76 76   76 77 76 76   76 76 75 75   76 76 76 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   SC SC SC SC   SC FW FW SC   SC SC SC SC   SC SC SC B1
PoP 12hr         40      30    10      10    20      20    30      30    40
Rain shwrs    SC IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS SC SC

$$