Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 280902
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 AM AST Thu Aug 28 2025

PRZ001-282000-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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 90 93    72 77 82    82 90 92    72 77 82    82 89 92
Temp             85 89 90 86 81 79 78 78 85 89 90 86 81 79 77 78 85 88 89 86 81
Dewpt            77 77 77 77 76 76 76 75 77 78 78 77 76 76 76 75 77 77 77 77 76
RH               77 68 66 75 85 91 94 91 77 70 68 75 85 91 97 91 77 70 68 75 85
Wind dir         SE SE SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          5 10 13 10  6  4  4  4  5 10 11 10  6  5  4  4  6 11 13 12  8
Wind gust                                                              24
Clouds           B1 SC B1 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                     40          30          50          10          10
QPF 12hr              0.16-0.45   0.04-0.18   0.42-1.26   0.04-0.14        0.02
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS SC SC IS IS SC IS SC SC SC SC IS IS IS IS IS IS IS IS IS
Tstms                  IS IS                   IS IS
Heat index       95102103 97 87 83    80 95103104 97 87 82    80 95103102 96 87
Max heat        101   112   111    92   101   115   113    93   100   109   108


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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    90      77    90      77    90      76    90
Temp          78 85 90 81   78 85 90 81   78 85 90 80   77 84 90 80
Dewpt         75 76 76 75   75 76 77 76   76 77 77 76   76 77 77 76
PWind dir         E     E       E     E      SE     E      SE     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC SC   SC SC SC SC   FW SC SC SC   SC SC SC SC
PoP 12hr         20    20      30    40      20    20      40    40
Rain shwrs    IS IS IS IS   IS IS SC SC   IS IS IS IS   IS IS IS IS
Tstms                             IS IS

$$
PRZ002-282000-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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 93    67 77 82    75 88 92    67 76 82    75 88 92
Temp             84 87 88 85 81 79 78 78 84 87 88 84 80 79 77 77 83 87 88 84 80
Dewpt            75 76 76 77 75 76 75 75 76 77 76 77 75 76 75 75 76 76 75 76 74
RH               74 70 68 77 82 91 91 91 77 72 68 80 85 91 94 94 80 70 66 77 82
Wind dir         SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E NE
Wind spd          6 11 10  8  5  5  6  6  8 10  9 10  8  8  6  6  8 11 11 10  8
Wind gust              21
Clouds           B1 B1 B1 SC SC SC B1 B1 B1 SC SC SC B1 B1 SC SC B1 B1 SC SC SC
PoP 12hr                     50          40          40          40          40
QPF 12hr              0.11-0.46   0.14-0.22   0.21-1.17   0.08-0.26   0.03-0.32
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC IS SC SC SC SC SC SC SC IS SC SC SC SC SC SC IS IS SC
Tstms                  IS                         IS
Heat index       92 98 99 94 86 83    80 92 98 99 94 85 82       91 98 98 93 85
Max heat        100   110   109    93   100   109   108    93   101   108   108


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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      77    88      77    88      76    88
Temp          77 83 88 80   77 83 88 80   77 83 88 80   77 83 88 80
Dewpt         75 75 75 74   75 75 75 75   75 75 75 75   75 75 76 75
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 B1 B1 B1   SC SC B1 SC   B1 B1 B1 SC
PoP 12hr         50    50      50    50      50    50      50    50
Rain shwrs    SC SC SC SC   SC SC SC SC   IS SC SC SC   SC SC SC IS
Tstms                             IS IS

$$
PRZ003-282000-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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 92    69 76 82    78 88 93    68 75 82    78 88 93
Temp             83 87 88 84 80 78 77 77 84 87 88 84 80 78 76 77 83 87 88 84 80
Dewpt            74 74 74 75 74 75 75 74 75 75 74 76 75 75 75 74 75 74 74 75 74
RH               74 65 63 74 82 91 94 90 74 68 63 77 85 91 97 90 77 65 63 74 82
Wind dir          E SE SE SE  E  E  E  E  E  E  E  E  E NE NE NE  E  E  E  E NE
Wind spd          6 10 10  8  5  4  5  4  6 10  9  9  6  6  5  5  6 11 12 10  6
Wind gust           21 20                      20                   23 25 20
Clouds           B1 B1 SC SC SC SC B1 B1 B1 SC FW SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     40          50          40          30          30
QPF 12hr              0.11-0.17   0.10-0.22   0.11-0.27   0.06-0.22   0.27-0.32
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC SC SC SC SC SC SC IS IS IS IS IS IS SC SC IS IS IS
Tstms            IS
Heat index       90 96 97 92 84 81       91 97 97 92 84 80       90 97 97 92 84
Max heat         98   106   106    92   100   107   106    92    98   107   106


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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    88      76    88      76    88
Temp          77 83 88 80   77 83 88 80   77 83 88 79   77 83 88 79
Dewpt         74 74 73 74   74 74 74 74   75 75 74 74   75 75 74 74
PWind dir        NE     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC SC   SC SC B1 SC   SC SC SC SC   SC B1 B1 SC
PoP 12hr         30    30      40    40      30    30      50    50
Rain shwrs    IS IS IS IS   IS SC SC IS   IS IS IS IS   SC SC SC IS

$$
PRZ004-282000-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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    69 73 77    77 87 93    68 73 77    76 87 93
Temp             82 86 87 83 78 76 74 75 82 86 87 83 77 75 74 74 81 86 87 82 78
Dewpt            74 74 74 75 73 74 73 73 75 75 75 75 74 74 73 73 75 75 74 74 73
RH               77 68 65 77 85 94 97 94 79 70 68 77 90 97 97 97 82 70 65 77 85
Wind dir         SE SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          5  9 10  8  4  3  3  4  5  9  8  8  4  4  3  3  5  9 11  9  4
Clouds           B1 SC B1 SC SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC FW
PoP 12hr                     30          40          30          20          20
QPF 12hr              0.10-0.29   0.05-0.21   0.13-1.00   0.04-0.21   0.01-0.31
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS SC SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS IS IS
Heat index       88 94 96 89 80          88 95 96 89             87 95 95 89
Max heat         99   108   107    88   100   108   107    88    99   108   106


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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    86      73    87      73    87      73    87
Temp          74 81 86 77   74 81 87 77   74 81 87 77   74 81 87 77
Dewpt         73 74 74 73   73 74 74 73   73 74 74 73   73 74 74 73
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    GN      LT    LT      LT    GN
Avg clouds    FW SC SC SC   SC SC B1 SC   SC SC SC SC   SC SC B1 SC
PoP 12hr         20    20      40    40      20    30      40    40
Rain shwrs    IS IS IS IS   IS SC SC IS   IS IS IS IS   IS SC SC IS
Tstms                                IS

$$
PRZ005-282000-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                85 91 94    72 75 82    85 90 94    72 75 82    85 89 94
Temp             85 90 91 86 80 78 76 76 84 89 90 85 80 77 75 76 84 88 89 85 80
Dewpt            76 78 78 78 76 76 75 74 77 79 79 78 77 76 75 75 78 79 79 78 76
RH               75 68 66 77 88 94 97 94 80 73 70 80 91 97100 97 82 75 73 80 88
Wind dir          E  E  E SE SE SE SE SE SE NE NE  E  E  E  E  E  E  E NE  E  E
Wind spd          4  6 10  3  5  4  4  3  3  8  9  5  5  5  5  5  6 11 13 11  9
Wind gust              21                      19 18                   26 23
Clouds           SC FW B1 B2 FW FW CL FW SC SC B1 B1 FW FW FW FW CL CL SC SC FW
PoP 12hr                     60          20          40           5          20
QPF 12hr              0.20-0.96   0.01-0.06   0.50-1.38        0.03   0.01-1.00
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC NM    IS       IS IS SC SC IS IS IS IS       IS IS IS
Tstms                  IS IS                      IS
Heat index       94104106 97 85          94104106 97 84          94103104 96 85
Max heat        102   116   114    92   101   118   116    93   102   109   108


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    90      75    90      75    90      75    90
Temp          76 84 90 80   76 84 90 80   76 84 90 79   76 83 90 79
Dewpt         75 77 78 76   75 77 79 77   75 77 79 76   75 77 79 76
PWind dir         E     E       E     E      SE     E      SE     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW SC SC   SC SC SC SC   CL FW SC SC   FW FW SC SC
PoP 12hr          5    30      10    10      10    20       5    10
Rain shwrs    IS IS IS IS   IS IS IS IS      IS IS IS   IS IS IS IS
Tstms                  IS                          IS

$$
PRZ006-282000-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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    63 72 76    75 84 92    62 71 75    75 84 91
Temp             79 83 84 80 76 74 73 73 79 83 84 80 75 73 72 72 79 83 84 80 76
Dewpt            73 73 73 73 72 73 72 71 73 74 75 74 73 73 71 71 73 74 74 74 72
RH               82 72 70 79 87 97 97 93 82 74 74 82 94100 97 97 82 74 72 82 87
Wind dir         SE SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          4  8  9  5  4  3  3  3  3  6  5  3  3  3  2  3  4  8  9  6  4
Wind gust           20 19                      19                   23 24
Clouds           SC FW B1 B1 FW SC FW FW SC FW SC SC FW FW FW FW FW FW SC SC CL
PoP 12hr                     40          20          30           5          20
QPF 12hr              0.09-0.54   0.01-0.11   0.10-0.98        0.04   0.01-1.00
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC SC IS IS IS    IS IS IS SC IS IS IS IS IS IS IS IS
Tstms                  IS                         IS                   IS IS
Heat index       83 89 91 84             83 89 91 84             82 89 90 84
Max heat         96   108   107    85    96   108   107    84    96   107   105


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          72    83      72    84      72    84      71    84
Temp          73 79 83 75   73 79 84 75   73 79 84 75   72 78 84 75
Dewpt         71 73 74 72   71 73 74 72   71 73 74 72   71 73 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 SC   SC SC SC FW   FW FW SC SC   FW FW SC SC
PoP 12hr         10    30      20    20       5    30      20    20
Rain shwrs       IS IS IS   IS IS IS IS      IS IS IS   IS IS IS IS
Tstms                  IS                          IS

$$
PRZ007-282000-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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    65 76 82    75 88 94    64 75 82    75 88 94
Temp             83 87 88 84 80 78 77 77 83 87 88 84 79 77 76 76 83 87 88 84 79
Dewpt            73 73 73 73 73 73 73 72 73 73 74 74 74 73 72 71 73 73 74 75 74
RH               72 63 61 70 79 85 87 85 72 63 63 72 85 87 87 85 72 63 63 74 85
Wind dir          E SE SE SE  E  E  E  E  E SE SE  E  E NE NE NE NE  E SE  E  E
Wind spd          5 11 10  8  5  4  4  3  4  8  8  5  4  4  3  3  4 10 11  8  3
Wind gust           24 23 19                   20                   24 25 20
Clouds           SC FW SC SC SC SC FW FW SC SC SC SC FW FW FW FW FW FW SC SC CL
PoP 12hr                     30          20          30           5          30
QPF 12hr              0.05-0.20   0.02-0.12   0.11-0.94        0.03   0.01-1.50
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
Tstms                                                                  IS IS
Heat index       89 94 95 90 83 80       89 94 96 91 82          88 94 96 91 83
Max heat         97   105   103    91    97   107   106    92    96   106   105


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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    88      75    87      75    87
Temp          76 83 87 79   76 83 88 79   76 82 87 79   76 82 87 79
Dewpt         72 73 73 73   72 73 74 73   72 73 74 73   72 73 74 73
PWind dir        NE     E       E     E       E     E       E     E
Wind char        LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW SC SC   SC SC SC SC   FW FW SC SC   FW FW SC SC
PoP 12hr          5    40      20    20       5    30      10    30
Rain shwrs    IS IS IS IS   IS IS IS IS         IS IS   IS IS IS IS
Tstms               IS IS                          IS

$$
PRZ008-282000-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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    70 74 82    85 88 94    70 74 82    85 88 94
Temp             83 87 88 84 79 77 75 75 83 87 88 83 78 76 75 75 82 87 88 84 79
Dewpt            74 76 77 76 76 75 74 73 74 76 77 76 76 75 74 73 75 76 77 75 75
RH               74 70 70 77 91 94 97 94 74 70 70 80 94 97 97 94 79 70 70 74 88
Wind dir          E  E NE  E SE SE SE SE  E NE NE  E  E  E  E  E  E  E NE NE  E
Wind spd          4  3  6  3  2  4  3  4  2  4  5  4  5  5  5  6  8  9  9  6  9
Wind gust                                                              21 17
Clouds           SC CL B2 OV FW CL CL FW FW FW B2 B2 SC SC FW FW CL CL B1 B1 SC
PoP 12hr                     70           5          70           5          50
QPF 12hr              0.79-1.25        0.01   1.05-1.47        0.03   0.26-1.27
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    SC NM IS          IS IS NM NM IS IS             SC SC IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       89 98100 93 81          89 97100 92 80          90 99100 92 81
Max heat         97   111   110    92    97   111   110    92    99   109   108


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          74    88      74    88      74    88      74    88
Temp          75 83 88 78   75 82 88 78   75 82 88 78   75 82 88 78
Dewpt         74 75 76 75   74 74 77 76   74 75 77 75   74 75 77 75
PWind dir         E     E       E     E       E     E      SE     E
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW SC B1   SC FW SC SC   CL FW SC SC   FW FW FW SC
PoP 12hr         20    40      10    50       5    30       5    40
Rain shwrs    IS IS SC SC   IS IS SC SC      IS IS SC   IS IS SC IS
Tstms               IS IS         IS IS         IS IS            IS

$$
PRZ009-282000-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                75 85 94    66 72 76    75 85 94    65 71 75    75 85 94
Temp             80 84 85 81 76 75 73 73 80 84 85 81 76 74 72 72 79 84 85 81 76
Dewpt            72 73 73 73 72 73 72 71 73 74 74 73 73 73 72 71 73 74 75 74 73
RH               77 70 67 77 87 94 97 93 79 72 70 77 90 97100 97 82 72 72 79 90
Wind dir         SE SE SE SE SE SE SE SE  E  E NE  E  E  E  E  E  E  E  E  E  E
Wind spd          4  5  4  3  3  3  3  3  3  3  3  2  2  3  3  3  3  4  4  3  2
Wind gust           24 23                                           21 23
Clouds           FW CL B1 B1 CL FW CL FW FW FW B1 B2 FW FW FW FW CL CL B2 B2 FW
PoP 12hr                     50           5          60           5          70
QPF 12hr              0.05-1.14        0.01   0.32-1.46        0.03   0.51-1.51
Snow 12hr                    MM          MM          MM
Rain shwrs             SC SC    IS             SC NM IS IS             NM NM IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       84 91 92 85             84 91 93 85             83 91 92 85
Max heat         95   107   106    86    95   107   106    86    95   108   106


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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    85      72    85      72    85
Temp          73 80 84 76   73 79 85 76   73 79 85 76   73 79 85 76
Dewpt         71 73 74 72   72 73 74 72   72 73 74 72   72 73 75 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   SC SC SC SC   CL FW SC B1   CL FW SC B1
PoP 12hr          5    60      10    50       5    60       0    50
Rain shwrs          NM NM   IS IS SC SC         NM NM         SC SC
Tstms               IS IS         IS IS         IS IS         IS IS

$$
PRZ010-282000-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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 76 82    77 90 94    70 75 82    77 89 94
Temp             84 89 90 85 80 78 76 77 84 89 90 85 80 78 76 76 84 88 89 85 80
Dewpt            75 76 77 76 76 76 75 73 75 77 77 77 76 76 75 73 75 77 78 77 76
RH               74 66 66 75 88 94 97 87 74 68 66 77 88 94 97 90 74 70 70 77 88
Wind dir          E SE  E  E  E  E  E  E  E NE NE  E  E  E  E  E  E  E  E NE  E
Wind spd          6  8  9  5  5  5  5  5  4  4  4  4  4  4  4  5  5  4  4  5  5
Wind gust        19 21 23 21 21 20 20 20 18                         14 16
Clouds           SC CL SC B1 FW FW CL FW FW FW B1 B2 SC SC FW FW CL CL B2 B2 SC
PoP 12hr                     50           5          60           5          70
QPF 12hr              0.04-1.22        0.02   0.30-1.50   0.02-0.30   0.27-1.52
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    SC SC IS IS       IS IS SC NM IS IS             NM NM SC
Tstms                  IS IS                   IS IS                   IS IS
Heat index       92101103 96 85 80       92101103 95 83          92101103 95 83
Max heat         98   112   111    93    98   113   111    92   100   109   108


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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    90      75    89      75    89
Temp          76 84 89 80   76 84 90 80   76 83 89 79   76 83 89 79
Dewpt         74 75 76 76   74 75 77 76   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    SC FW SC B1   SC SC SC SC   FW FW SC B1   FW FW SC B1
PoP 12hr         30    60      10    50       5    60       5    50
Rain shwrs    SC IS NM IS   IS IS IS SC         NM NM   IS IS SC SC
Tstms               IS IS         IS IS         IS IS         IS IS

$$
PRZ011-282000-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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    72 75 82    85 91 94
Temp             86 91 92 87 81 79 77 78 86 91 92 86 80 78 76 77 85 90 91 86 81
Dewpt            75 75 75 75 75 75 75 74 75 75 75 75 76 75 74 73 74 75 76 76 76
RH               70 60 58 68 82 88 94 88 70 60 58 70 88 91 94 87 70 62 62 72 85
Wind dir          E SE SE SE  E  E  E  E  E SE SE  E  E  E  E NE  E SE SE  E  E
Wind spd         10 14 16 12 11  8  9  8  8  9  9  6  6  6  5  4  5 13 14 10  4
Wind gust        23 27 29 26 24 19 19       20 21                   26 29 21
Clouds           SC FW SC SC FW SC CL FW SC SC SC SC FW FW FW FW FW FW B1 B1 SC
PoP 12hr                     20          20          20           5          30
QPF 12hr                   0.04   0.01-0.07   0.18-0.68        0.03   0.01-1.52
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    IS IS IS IS       IS IS IS IS                   SC SC IS
Tstms                                                                  IS IS
Heat index       94101103 96 87 82       94101103 96 86          93102104 97 86
Max heat         97   109   108    92    97   110   108    92    96   108   108


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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      76    92      76    91      76    91
Temp          76 85 91 81   77 85 92 80   77 85 91 80   77 85 91 80
Dewpt         74 74 74 75   74 74 75 75   74 75 75 75   75 75 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC FW SC B1   SC SC SC SC   FW FW SC SC   FW FW FW SC
PoP 12hr         20    40      10    20       5    20       5    20
Rain shwrs    IS IS SC IS   IS IS IS IS         IS IS   IS IS SC IS
Tstms               IS IS

$$
PRZ012-282000-
Culebra-
Including the city of Culebra
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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          80    85 89 92          80    85 88 93
Temp             85 88 89 86 83 82 81 81 85 88 89 86 83 82 80 81 85 88 88 86 82
Dewpt            77 78 77 78 77 78 78 77 78 78 77 78 77 78 77 77 77 78 77 78 76
RH               77 72 68 77 82 88 91 88 80 72 68 77 82 88 91 88 77 72 70 77 82
Wind dir          E SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         11 12 10 10 11 12 12 10 13 12 11 11 13 14 13 13 13 13 12 12 12
Clouds           B1 SC SC SC SC SC SC SC B1 SC SC SC SC SC B1 B1 B1 B1 SC SC SC
PoP 12hr                     40          40          40          40          30
QPF 12hr                   0.09        0.14        0.25        0.24        0.05
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS IS IS IS SC SC SC SC IS IS IS SC SC SC SC SC SC IS IS IS
Heat index       96101101 99 92 91 88 89 97101101 98 92 90 86 87 96102100 97 90
Max heat        101   107   107    94   101   107   106    94   100   106   105
Heat                 Y  Y


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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      80    89      80    89      80    89
Temp          80 85 89 83   81 85 89 83   80 85 89 82   80 85 89 82
Dewpt         77 77 76 77   77 77 77 77   77 77 77 77   77 78 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 B1 SC SC   SC SC B1 SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40    20      50    50      20    20      30    30
Rain shwrs    SC SC IS IS   IS SC SC IS   IS IS IS IS   IS SC SC IS

$$
PRZ013-282000-
Vieques-
Including the city of Vieques
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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    76 79 82    85 89 92    76 79 82    85 89 91
Temp             85 88 89 86 82 81 80 80 85 88 89 86 82 81 80 80 85 88 89 86 82
Dewpt            76 76 75 77 75 76 76 76 76 76 76 77 76 76 76 76 76 76 75 76 75
RH               75 68 64 75 79 85 88 88 75 68 66 75 82 85 88 88 75 68 64 72 79
Wind dir         SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         10 11  9  8  9 11 11 10 11 11 10 11 13 14 12 12 12 14 12 12 12
Clouds           B1 SC SC SC SC SC SC B1 B1 SC FW SC B1 B1 B1 B1 B1 B1 SC SC SC
PoP 12hr                     40          40          40          40          40
QPF 12hr                   0.10        0.16        0.17        0.26        0.31
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC IS IS IS SC SC SC SC IS    IS SC SC SC SC SC SC IS IS IS
Tstms
Heat index       94 99 99 96 89 88 85 85 95 99 99 96 89 87 83 85 94 99 98 95 88
Max heat         98   104   103    92    98   104   103    92    97   103   101
Heat                 Y  Y


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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    89      79    89      79    89
Temp          79 85 89 82   80 85 89 82   80 85 89 82   79 84 89 82
Dewpt         76 76 74 75   76 76 75 75   76 76 75 75   76 77 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1 SC SC   SC B1 B1 SC   SC SC SC SC   B1 B1 B1 SC
PoP 12hr         30    30      50    50      30    30      40    40
Rain shwrs    SC SC SC SC   SC SC SC IS   IS IS IS IS   SC SC SC IS

$$
VIZ001-282000-
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 Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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 86 94    73 79 82    84 86 94    72 79 82    85 87 94
Temp             84 86 86 84 82 81 80 80 84 86 86 84 81 80 79 80 84 86 87 84 81
Dewpt            77 77 76 76 76 77 77 77 77 77 76 77 76 77 77 76 76 76 76 76 75
RH               80 75 72 77 82 88 91 91 80 75 72 80 85 91 94 88 77 72 70 77 82
Wind dir          E SE SE SE  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         11 13 12  9 11 12 11 13 14 13 11 11 13 16 14 14 14 14 12 11 12
Clouds           B1 SC SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     30          30          30          30          30
QPF 12hr                   0.09        0.13   0.05-0.16   0.08-0.17        0.29
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS IS IS IS SC SC SC SC IS    IS IS IS IS IS SC SC IS IS IS
Tstms            IS
Heat index       93 97 97 93 88 87 85 85 93 97 97 93 88 86 83 83 93 97 96 93 87
Max heat        101   107   106    95   101   108   107    94    99   107   106
Heat                 Y  Y


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
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    87      79    87      79    87      79    87
Temp          79 84 87 82   80 84 87 81   79 84 87 81   79 83 87 81
Dewpt         76 76 75 75   76 76 76 75   77 76 76 76   77 77 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         30    10      40    40      20    10      20    20
Rain shwrs    SC SC IS IS   IS SC SC IS   IS IS IS IS   IS IS IS IS

$$
VIZ002-282000-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 AM AST Thu Aug 28 2025

Date             Thu 08/28/25            Fri 08/29/25            Sat 08/30/25
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          80    85 88 94          79    85 88 94
Temp             85 88 88 86 83 81 80 80 85 88 88 86 82 81 80 80 85 87 88 85 82
Dewpt            77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 76
RH               77 70 70 75 82 88 91 91 77 70 70 75 85 88 91 91 77 72 70 77 82
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          9 11 11  8  6  8  9 10 11 12 11 11 11 13 12 12 13 14 13 11 10
Clouds           B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC
PoP 12hr                     50          30          30          40          40
QPF 12hr                   0.13        0.13   0.36-0.68        0.15        0.35
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS SC SC IS SC SC SC SC IS SC IS IS IS IS IS SC SC SC SC IS
Tstms            IS
Heat index       95100100 97 90 88 85 86 95100101 97 90 88 84 85 95100100 96 89
Max heat        101   110   109    93   102   110   109    93   101   109   108
Heat                 Y  Y


Date          Sun 08/31/25  Mon 09/01/25  Tue 09/02/25  Wed 09/03/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    88      79    88      79    88      79    88
Temp          80 85 88 82   80 85 88 82   80 84 88 82   80 84 88 82
Dewpt         75 76 76 76   76 76 76 76   76 77 77 76   77 77 76 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC B1 SC SC   SC SC SC SC   SC FW FW SC
PoP 12hr         30    30      40    40      30    10      10    20
Rain shwrs    IS SC SC SC   SC SC SC IS   IS IS IS IS   IS IS IS IS

$$