Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 031238
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
838 AM AST Sun Aug 3 2025

PRZ001-032015-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                82 90 93    74 77 83    82 90 93    73 77 83    82 89 92
Temp                89 90 86 81 79 78 78 85 89 90 86 81 79 78 78 85 88 89 85 81
Dewpt               78 77 77 76 76 76 75 77 77 77 77 76 76 75 75 76 76 77 76 76
RH                  70 66 75 85 91 94 91 77 68 66 75 85 91 91 91 75 68 68 75 85
Wind dir            SE SE SE  E SE SE  E  E  E  E  E  E  E  E  E  E  E  E NE NE
Wind spd            11 14 12  8  6  8  8  9 13 14 12  8  8  6  5  8 13 13 12  8
Wind gust                                      25
Clouds              SC B2 B2 SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC B2
PoP 12hr                     60          40          30          30          50
QPF 12hr              0.15-0.28   0.06-0.26   0.04-0.19   0.05-0.14   0.07-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs          IS NM SC IS IS SC SC SC SC IS IS IS IS SC IS SC SC IS IS SC
Tstms                  IS IS                                                 IS
Obvis                                  H  H  H  H  H  H  H
Heat index         103103 97 88 83 80 80 95102103 97 88 83 80 80 94100102 95 86
Max heat        103   114   113    94   103   111   111    93   100   107   106


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    89      76    89      76    90      76    89
Temp          77 84 89 80   77 84 89 81   77 85 90 81   77 84 89 81
Dewpt         75 76 77 75   75 76 76 75   74 76 76 75   75 76 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B2 B1 B1 SC   SC SC SC SC   FW FW SC SC   SC SC SC FW
PoP 12hr         50    40      20    20      20    20      20    40
Rain shwrs    SC SC SC IS   IS IS IS IS   IS IS IS IS   IS IS IS SC
Tstms         IS IS

$$
PRZ002-032015-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                75 87 92    67 77 83    75 87 93    67 77 83    75 87 91
Temp                86 87 84 81 79 78 78 83 86 87 84 81 79 78 78 83 86 87 84 80
Dewpt               77 77 77 75 76 75 75 76 76 76 76 75 75 75 75 75 75 76 76 75
RH                  75 72 80 82 91 91 91 80 72 70 77 82 88 91 91 77 70 70 77 85
Wind dir            SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE
Wind spd            12 12 11 10 10 11 11 10 14 13 11 10 10 10  9 10 12 12 10  9
Wind gust              23    20 20    21                                     19
Clouds              B1 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B2
PoP 12hr                     60          50          40          30          50
QPF 12hr              0.19-0.24   0.22-0.29        0.19        0.14   0.12-0.31
Snow 12hr                    MM          MM          MM
Rain shwrs          SC NM SC SC SC SC SC SC SC SC IS SC SC SC SC SC SC SC SC SC
Tstms               IS IS IS IS IS IS IS                                     IS
Obvis                                              H
Heat index          97 98 94 86 83 81 81 92 97 98 93 86 83 81 81 91 96 97 92 85
Max heat        103   109   109    94   101   109   108    94    98   106   106


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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      77    87      77    87      77    87
Temp          77 83 87 80   77 83 87 80   78 83 87 80   78 83 87 80
Dewpt         74 75 75 74   74 75 75 74   74 75 75 74   74 75 75 74
PWind dir        NE     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    B2 B1 B1 SC   SC SC SC B1   B1 B1 SC SC   B1 B1 SC FW
PoP 12hr         50    40      30    40      40    40      40    40
Rain shwrs    SC SC SC IS   IS SC SC SC   SC SC IS SC   SC SC SC SC
Tstms         IS IS

$$
PRZ003-032015-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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    69 77 83    77 88 93    69 77 83    78 88 94
Temp                86 87 84 80 79 78 78 84 87 88 84 80 79 78 78 84 87 88 85 80
Dewpt               77 77 77 76 76 76 75 76 76 77 77 75 75 74 73 74 73 73 74 73
RH                  75 72 80 88 91 94 91 77 70 70 80 85 88 88 85 72 63 61 70 79
Wind dir            SE SE  E  E  E  E  E  E  E  E  E  E  E NE NE NE  E  E  E NE
Wind spd            11 11 11  9  9 10 10  9 13 13 11  9  9  8  8  9 13 13 12  8
Wind gust           21 21 23          20 19 26 28 23                28 27 25
Clouds              B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     60          40          40          30          50
QPF 12hr                   0.22   0.13-0.29   0.07-0.19   0.03-0.13   0.03-0.29
Snow 12hr                    MM          MM          MM
Rain shwrs          SC NM SC SC SC SC SC SC SC IS IS IS SC SC IS IS IS IS IS SC
Tstms               IS IS IS IS IS IS IS                                     IS
Obvis                                     H     H  H  H  H
Heat index          97 99 94 86 83 81 81 92 98 99 94 85 82 80 80 90 95 96 92 84
Max heat        101   111   110    94   100   111   109    93    98   106   105


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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      76    88      76    88      76    88
Temp          77 83 87 80   77 83 88 80   77 84 88 80   77 84 88 80
Dewpt         74 75 76 74   74 75 75 74   73 73 73 73   74 75 75 74
PWind dir        NE     E       E     E       E     E      NE     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B1 B1 SC SC   FW SC SC SC   SC SC SC FW   SC SC SC FW
PoP 12hr         50    40      20    30      30    30      20    30
Rain shwrs    SC SC IS IS   IS IS SC SC   IS SC SC IS   IS IS IS SC
Tstms         IS IS

$$
PRZ004-032015-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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 86 92    69 74 77    76 86 93    69 74 77    76 87 93
Temp                85 86 82 78 76 75 75 82 85 86 82 78 76 75 75 82 86 87 82 77
Dewpt               75 75 75 74 74 74 73 75 75 75 75 73 73 73 72 74 73 74 74 73
RH                  72 70 79 88 94 97 94 79 72 70 79 85 90 94 90 77 65 65 77 87
Wind dir            SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE
Wind spd            10 11 10  6  5  6  6  8 12 12 10  5  5  5  3  6 10 12 10  4
Clouds              B1 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     60          40          40          30          50
QPF 12hr              0.18-0.23   0.09-0.29   0.05-0.19   0.05-0.14   0.07-0.31
Snow 12hr                    MM          MM          MM
Rain shwrs          SC NM SC SC SC SC SC SC SC IS IS IS IS SC IS IS IS IS IS SC
Tstms               IS IS IS IS IS IS IS                                     IS
Obvis                                           H  H  H  H
Heat index          94 95 89 80          88 94 95 89 80          87 93 95 88
Max heat         98   108   106    87    99   109   106    87    98   106   105


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    86      73    86      73    87      73    87
Temp          74 81 86 77   74 81 86 78   74 81 87 77   74 81 87 78
Dewpt         73 74 74 72   72 74 73 72   72 74 73 72   72 74 73 73
PWind dir        NE     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B1 B1 SC SC   SC SC SC SC   SC SC SC FW   SC SC SC FW
PoP 12hr         50    40      30    30      20    20      20    40
Rain shwrs    SC SC SC IS   IS IS SC SC   IS IS IS IS   IS IS IS SC
Tstms         IS IS

$$
PRZ005-032015-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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    73 76 83    84 91 94    73 76 83    84 89 93
Temp                90 91 86 81 78 77 77 85 90 91 86 81 79 77 77 84 89 89 85 80
Dewpt               78 78 77 76 76 75 74 77 78 78 77 76 76 75 74 77 77 77 77 76
RH                  68 66 75 85 94 94 90 77 68 66 75 85 91 94 90 80 68 68 77 88
Wind dir             E  E  E  E SE SE SE  E  E  E  E  E  E  E  E  E  E NE NE  E
Wind spd            10 14 11  9  6  6  8  8 13 17 14 10  8  6  5  8 14 17 14 10
Wind gust              25 21                   31 28 20                28 25
Clouds              SC B2 B2 SC FW SC SC SC FW SC SC FW FW FW SC SC SC SC SC SC
PoP 12hr                     60          20          30          10          30
QPF 12hr              0.15-1.20   0.02-0.08   0.03-1.30   0.01-0.08   0.03-0.89
Snow 12hr                    MM          MM          MM
Rain shwrs          IS NM NM IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS SC
Tstms                  IS IS                   IS                            IS
Obvis                               H  H  H  H  H  H  H  H
Heat index         105106 97 86          96104105 97 87          94101103 96 85
Max heat        103   117   115    93   103   111   111    94   101   108   107


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    89      74    89      75    89      75    89
Temp          76 84 89 79   75 83 89 79   76 84 89 80   76 84 89 80
Dewpt         75 77 79 76   74 76 78 75   74 76 78 75   74 76 77 76
PWind dir         E     E      SE     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    SC SC SC SC   FW FW FW SC   FW FW FW FW   FW FW FW FW
PoP 12hr         30    40       5    20       5     5       5    10
Rain shwrs    SC IS IS SC   IS IS IS IS         IS IS   IS IS IS IS
Tstms         IS       IS

$$
PRZ006-032015-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                75 84 91    63 72 77    75 85 93    62 72 76    75 85 94
Temp                83 84 80 76 75 73 74 80 84 85 81 76 74 73 73 80 84 85 81 76
Dewpt               74 75 74 73 73 72 71 73 74 74 73 72 72 72 71 72 73 73 73 72
RH                  74 74 82 90 94 97 90 79 72 70 77 87 93 97 93 77 70 67 77 87
Wind dir            SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE
Wind spd             9 10  9  5  4  5  5  6 11 11 10  5  4  3  3  5 10 11 11  4
Wind gust           20 20 20                25 27 21                28 27 23
Clouds              SC B2 B1 SC SC SC SC SC SC SC SC FW FW FW FW SC SC SC SC SC
PoP 12hr                     60          30          10          20          20
QPF 12hr              0.15-1.13   0.04-0.18   0.03-0.87   0.00-0.07   0.03-1.11
Snow 12hr                    MM          MM          MM
Rain shwrs          IS NM SC IS IS SC IS IS IS IS IS IS    IS IS IS IS IS IS IS
Tstms                  IS IS
Obvis                                  H  H  H  H  H  H  H
Heat index          90 91 85             84 90 92 85             83 90 92 85
Max heat         98   111   108    87   100   111   109    87    97   106   105


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    83      71    84      71    85      71    84
Temp          73 79 83 75   72 79 84 75   72 80 85 76   72 79 84 76
Dewpt         72 73 75 72   71 72 73 72   71 72 73 71   71 72 73 72
PWind dir        NE     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   FW FW SC FW   CL FW FW FW   FW FW SC SC
PoP 12hr         20    50      10    10      10    10       5    20
Rain shwrs    IS IS IS SC      IS IS IS      IS IS         IS IS IS
Tstms               IS IS

$$
PRZ007-032015-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                75 87 94    65 76 83    75 88 94    64 75 83    75 89 94
Temp                86 87 84 80 78 77 77 84 87 88 84 80 78 76 77 84 88 89 85 80
Dewpt               75 75 75 74 73 73 71 73 74 75 74 74 72 71 70 70 71 72 73 72
RH                  70 68 74 82 85 87 82 70 65 66 72 82 82 85 79 63 57 57 67 77
Wind dir            SE SE SE  E  E  E  E  E SE SE SE  E  E NE NE NE  E  E  E NE
Wind spd            11 11 10  8  6  6  8  9 12 13 11  8  5  4  4  4 12 12  9  5
Wind gust           24 25 21 20       20 23 26 28 25 20             28 31 26
Clouds              B1 B1 B1 FW SC SC SC FW FW SC SC CL CL CL CL FW FW B1 B1 FW
PoP 12hr                     50          30          10           5          40
QPF 12hr              0.13-0.20   0.02-0.14   0.02-1.09        0.01   0.03-1.33
Snow 12hr                    MM          MM          MM
Rain shwrs          SC SC SC IS IS SC IS IS IS IS IS             IS IS SC SC IS
Tstms               IS IS IS                                           IS IS
Obvis                               H  H  H  H  H  H  H  H
Heat index          95 97 92 84 81       90 96 98 92 84          88 94 96 91 83
Max heat         98   110   109    93    98   109   108    93    95   106   105


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    88      75    89      75    88
Temp          76 83 87 79   76 83 88 79   76 83 89 79   76 83 88 79
Dewpt         71 72 75 73   71 72 73 73   69 69 72 70   71 71 74 73
PWind dir        NE     E       E     E       E     E       E     E
Wind char        LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW FW SC   CL FW FW FW   CL FW FW FW   CL FW SC B1
PoP 12hr          5    30       5     5       5     5       5    50
Rain shwrs    IS IS IS IS      IS IS IS      IS IS IS         IS IS
Tstms                                                         IS IS

$$
PRZ008-032015-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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    71 74 83    84 89 94    71 75 83    84 88 93
Temp                88 89 84 79 77 75 76 83 88 89 84 79 77 75 76 83 87 88 84 79
Dewpt               76 77 76 75 75 73 73 75 76 77 76 76 75 74 73 74 76 76 75 75
RH                  68 68 77 88 94 94 90 77 68 68 77 91 94 97 90 74 70 68 74 88
Wind dir             E NE  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E NE NE  E
Wind spd             8 10  3  5  5  8  8  8  9 16 13 10 10  9  8  9 13 14 16 13
Wind gust              24                   20 31 27    21 20 18       26    25
Clouds              SC B2 OV SC FW FW CL FW CL B2 B1 FW CL CL FW FW FW SC SC SC
PoP 12hr                     70          10          60           5          10
QPF 12hr              1.06-1.20        0.01   1.09-1.31        0.01   0.01-0.89
Snow 12hr                    MM          MM          MM
Rain shwrs          IS NM NM IS                NM SC          IS       IS IS IS
Tstms                  IS IS                   SC IS
Obvis                               H  H  H  H        H  H
Heat index          99101 93 82          91 99102 94 82          90 97 99 92 82
Max heat        102   115   112    93   100   110   111    93    98   107   107


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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      73    87      73    88      74    87
Temp          76 82 87 78   74 82 87 78   74 82 88 78   75 82 87 79
Dewpt         74 75 77 75   73 74 76 75   73 74 76 75   73 74 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC SC B1   FW FW FW SC   FW FW FW SC   CL FW FW FW
PoP 12hr         10    70       0    50       0    30       5    10
Rain shwrs    IS IS NM NM   IS IS SC SC         SC SC         IS IS
Tstms               IS IS         IS IS

$$
PRZ009-032015-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                75 85 94    66 72 76    75 86 94    65 72 75    75 85 94
Temp                84 85 81 77 75 73 74 81 85 86 81 76 74 73 73 80 84 85 81 76
Dewpt               74 74 73 72 72 71 70 72 73 74 73 73 73 71 69 72 73 74 73 72
RH                  72 70 77 85 90 93 87 74 67 68 77 90 97 93 87 77 70 70 77 87
Wind dir            SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE
Wind spd             8  6  5  4  4  4  5  5  8  6  5  4  4  4  3  4  6  6  8  6
Wind gust           25 25 21 19          19 26 26 24 21             24 17
Clouds              SC B1 B2 FW FW SC FW CL CL B2 SC CL CL CL FW FW FW B1 B1 FW
PoP 12hr                     60           5          60           0          40
QPF 12hr              0.12-1.19        0.02   0.04-1.30        0.01   0.04-1.33
Snow 12hr                    MM          MM          MM
Rain shwrs          IS SC NM       IS IS       SC IS                   SC SC IS
Tstms                  IS IS                   IS                      IS IS
Obvis                               H  H  H  H     H  H  H
Heat index          91 92 85             85 92 94 86             84 91 93 86
Max heat         98   112   107    87    97   110   109          96   107   107


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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      71    84      71    85      71    85
Temp          73 79 84 75   72 79 84 75   72 80 85 76   72 80 85 76
Dewpt         72 72 75 73   71 72 74 72   70 71 73 72   70 71 73 72
PWind dir        NE     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 FW SC   CL CL FW SC   CL FW SC B1
PoP 12hr          5    70       0    50       0    40       5    60
Rain shwrs    IS IS NM NM         SC SC         SC SC         NM NM
Tstms               IS IS         IS IS                       IS IS

$$
PRZ010-032015-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                77 90 94    71 76 83    78 90 94    69 75 83    78 90 94
Temp                89 90 85 80 78 76 77 85 89 90 85 80 78 76 76 84 89 90 85 80
Dewpt               77 77 76 76 75 74 73 75 76 77 77 76 75 74 72 74 76 76 76 75
RH                  68 66 75 88 91 94 87 72 66 66 77 88 91 94 87 72 66 64 75 85
Wind dir            SE  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE
Wind spd             9  8  5  8  8  8  8  8  6  9  6  8  6  8  6  6  5  5  8 11
Wind gust           24 24 24 23 24 26 24 26 24 23 21    21 19 17 17 18 19 20 27
Clouds              SC B1 B2 FW FW FW CL CL FW B1 SC SC CL FW FW FW FW B1 B1 FW
PoP 12hr                     60           5          60           5          30
QPF 12hr              0.11-1.19   0.01-0.06   0.04-1.32   0.00-0.06   0.02-1.33
Snow 12hr                    MM          MM          MM
Rain shwrs          IS SC NM IS    IS          NM IS IS                IS IS IS
Tstms                  IS IS                   SC                      IS IS
Obvis                               H  H  H  H     H  H  H
Heat index         102104 96 85          93101104 96 84          92100102 95 84
Max heat        102   114   111    93   100   111   111    94    99   107   107


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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      74    90      74    90
Temp          76 84 89 79   76 84 89 79   75 84 90 79   75 84 90 80
Dewpt         74 75 77 75   73 74 76 75   73 74 76 75   73 74 76 75
PWind dir        NE     E       E     E       E     E       E     E
Wind char        GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC B1   SC FW FW SC   FW FW FW SC   FW FW SC B1
PoP 12hr          5    70      10    50       0    50       5    60
Rain shwrs    IS IS NM NM   IS IS SC SC         SC SC         NM NM
Tstms               IS IS         IS IS                       IS IS

$$
PRZ011-032015-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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 92 94    72 76 83    84 92 94    71 75 83    84 92 94
Temp                91 92 87 81 79 77 78 86 91 92 87 81 78 76 77 86 91 92 87 80
Dewpt               77 77 77 76 75 74 73 75 77 77 77 77 75 72 71 71 73 74 74 74
RH                  64 62 72 85 88 90 85 70 64 62 72 88 91 87 82 61 56 56 65 82
Wind dir            SE SE  E  E  E  E  E  E SE SE SE  E  E  E NE  E  E SE  E NE
Wind spd            16 17 13 13 11 10 12 12 16 17 14 14  8  5  6  3 11 10  4  5
Wind gust           28 32 28 28 26 24 27 26 31 33 29 32             26 24
Clouds              SC SC B1 CL FW SC FW CL CL SC SC FW CL FW CL FW FW B2 B2 FW
PoP 12hr                     40          20          10           5          60
QPF 12hr              0.12-0.39        0.02   0.02-1.09        0.01   1.11-1.33
Snow 12hr                    MM          MM          MM
Rain shwrs          SC IS SC       IS          IS IS IS                NM NM
Tstms                     IS                                           IS IS
Obvis                               H  H  H  H  H  H  H  H
Heat index         104106 98 88 81       95105106 98 87          91100102 94 84
Max heat        100   112   109    93    99   111   109    94    94   107   107


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    91      75    92      74    92      74    92
Temp          75 85 91 80   76 85 92 80   75 85 92 80   75 85 92 80
Dewpt         72 74 76 76   73 74 75 75   72 69 73 73   72 73 76 76
PWind dir        NE     E       E    SE       E    SE       E     E
Wind char        LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW FW SC   FW FW FW FW   CL FW FW FW   CL FW SC B1
PoP 12hr          5    30       5     5       0    10       5    60
Rain shwrs          IS IS   IS IS IS IS         IS IS         NM IS
Tstms                                                         IS IS

$$
PRZ012-032015-
Culebra-
Including the city of Culebra
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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 93          81    84 88 93          81    84 88 93
Temp                87 88 86 83 82 82 82 86 88 88 86 83 82 81 81 85 87 88 86 83
Dewpt               78 78 79 77 78 77 77 77 78 77 78 77 77 76 76 76 77 77 78 77
RH                  75 72 80 82 88 85 85 75 72 70 77 82 85 85 85 75 72 70 77 82
Wind dir            SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE
Wind spd            17 17 16 18 18 18 17 14 19 16 14 17 16 16 16 16 16 13 13 16
Clouds              B2 B2 B2 B1 SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B2
PoP 12hr                     60          50          40          30          50
QPF 12hr                   0.25        0.28        0.18        0.13        0.30
Snow 12hr                    MM          MM          MM
Rain shwrs          NM NM SC SC SC SC SC SC SC SC IS SC IS SC SC SC SC SC SC SC
Tstms               IS IS IS IS    IS IS                                     IS
Obvis                                              H     H
Heat index         101101 99 92 92 89 89 97100101 98 92 90 88 88 95 99100 98 91
Max heat        102   109   111    96   100   108   106    95    98   106   105
Heat                 Y  Y


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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      81    88      81    88      81    88
Temp          81 85 88 83   81 85 88 83   81 85 88 83   81 85 88 83
Dewpt         76 76 76 76   76 76 76 76   76 76 76 76   76 76 76 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      BZ    GN
Avg clouds    B2 B1 B1 SC   SC SC SC SC   B1 B1 SC SC   B1 B1 SC SC
PoP 12hr         50    40      20    40      40    40      40    40
Rain shwrs    SC SC SC SC   IS IS IS SC   SC SC SC SC   SC SC SC SC
Tstms         IS IS

$$
PRZ013-032015-
Vieques-
Including the city of Vieques
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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 91    77 80 83    84 88 92    76 80 83    84 88 91
Temp                87 88 86 82 81 80 81 85 88 88 86 82 81 80 80 85 87 88 86 82
Dewpt               76 76 76 75 76 76 75 76 76 76 76 75 76 76 75 75 75 75 75 75
RH                  70 68 72 79 85 88 82 75 68 68 72 79 85 88 85 72 68 66 70 79
Wind dir             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE
Wind spd            16 16 14 17 18 17 17 16 18 16 14 17 17 16 17 14 16 13 13 16
Clouds              B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B2
PoP 12hr                     60          50          40          30          50
QPF 12hr                   0.24        0.28        0.19        0.14   0.11-0.31
Snow 12hr                    MM          MM          MM
Rain shwrs          NM NM SC SC SC SC SC SC SC SC IS SC SC SC SC SC SC SC SC SC
Tstms               IS IS IS IS IS IS IS                                     IS
Obvis                                              H
Heat index          98 99 96 90 88 86 86 95 98 99 96 89 88 85 85 94 97 98 95 89
Max heat         98   105   103    94    99   106   103    93    96   102   101
Heat                 Y  Y


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    88      79    88      79    88      79    88
Temp          80 85 88 82   80 85 88 82   80 85 88 82   80 85 88 82
Dewpt         75 75 74 74   75 75 74 74   75 75 74 75   75 75 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      BZ    GN
Avg clouds    B2 B1 B1 SC   SC SC SC B1   B1 B1 SC SC   B1 B1 SC SC
PoP 12hr         50    40      20    40      40    40      40    40
Rain shwrs    SC SC SC SC   IS IS SC SC   SC SC SC SC   SC SC SC SC
Tstms         IS IS

$$
VIZ001-032015-
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
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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 93    72 80 83    84 86 93    72 80 83    84 86 93
Temp                86 86 84 82 81 80 81 84 86 86 84 82 81 80 80 84 86 86 84 81
Dewpt               77 77 77 76 77 76 76 77 76 76 76 75 76 76 76 75 76 76 76 75
RH                  75 75 80 82 88 88 85 80 72 72 77 79 85 88 88 74 72 72 77 82
Wind dir            SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE
Wind spd            17 17 16 18 19 18 16 19 19 14 16 17 16 16 16 17 14 14 14 14
Clouds              B2 B2 B2 B1 SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC B2
PoP 12hr                     60          40          40          30          50
QPF 12hr                   0.23        0.22        0.14        0.12        0.10
Snow 12hr                    MM          MM          MM
Rain shwrs          SC NM SC SC SC IS SC SC SC IS IS SC IS SC SC SC SC IS IS SC
Tstms               IS IS IS IS       IS                                     IS
Obvis                               H           H  H  H  H
Heat index          97 97 94 89 88 84 86 93 97 97 94 88 87 84 85 92 96 96 93 87
Max heat        102   109   111    96   102   109   107    94    99   106   105
Heat                 Y  Y


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    86      79    86      79    86      79    86
Temp          79 84 86 82   80 84 86 81   80 84 86 82   80 84 86 82
Dewpt         76 75 75 75   75 75 75 74   76 76 75 75   76 76 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    GN      GN    GN      GN    GN      BZ    GN
Avg clouds    B2 B1 B1 SC   SC SC SC SC   B1 B1 SC SC   B1 B1 SC SC
PoP 12hr         50    40      10    40      40    40      40    50
Rain shwrs    SC SC SC SC   IS IS IS SC   SC SC SC SC   SC SC IS SC
Tstms         IS IS                                              IS

$$
VIZ002-032015-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
838 AM AST Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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 87 94    76 80 83    84 88 94    76 80 83    84 87 94
Temp                87 87 85 82 81 80 81 85 87 88 85 82 81 80 81 85 87 87 85 82
Dewpt               77 77 77 76 76 76 76 77 77 76 76 76 76 76 75 76 76 76 76 76
RH                  72 72 77 82 85 88 85 77 72 68 75 82 85 88 82 75 70 70 75 82
Wind dir             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE
Wind spd            17 18 14 14 16 14 14 17 19 14 16 16 14 16 14 16 16 14 14 13
Wind gust                    25          27
Clouds              B1 B2 B1 B1 SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC B2
PoP 12hr                     60          40          40          30          50
QPF 12hr                   0.21        0.20        0.14        0.12        0.11
Snow 12hr                    MM          MM          MM
Rain shwrs          SC NM SC SC SC IS SC SC SC IS IS SC IS SC IS SC SC IS IS SC
Tstms               IS IS IS IS                                              IS
Obvis                               H           H  H     H
Heat index          99 99 96 90 88 85 86 95 99 99 95 90 88 85 86 93 98 98 95 89
Max heat        102   110   107    94   102   110   107    93    99   107   106
Heat                 Y  Y


Date          Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    88      79    88      79    88      79    87
Temp          80 84 88 82   80 85 88 82   80 85 88 82   80 84 87 82
Dewpt         75 76 75 75   75 75 75 75   75 76 76 75   75 76 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B2 B1 B1 SC   SC SC SC SC   SC SC FW FW   SC SC SC SC
PoP 12hr         50    40      10    30      30    20      30    50
Rain shwrs    SC SC SC IS   IS IS IS SC   SC SC IS IS   IS IS IS SC
Tstms         IS IS                                              IS

$$