Area Forecast Matrices
Issued by NWS San Juan, PR

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2
460
FOCA52 TJSJ 240902
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 AM AST Sun Aug 24 2025

PRZ001-242000-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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    80 88 90    72 76 82    79 87 89
Temp             85 89 90 86 81 79 78 78 83 87 88 84 80 78 77 77 83 86 87 84 80
Dewpt            78 78 78 78 77 76 75 75 76 77 77 77 76 76 76 75 76 77 76 76 76
RH               80 70 68 77 88 91 91 91 80 72 70 80 88 94 97 94 80 75 70 77 88
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          5 12 14 13 10  9  8 10  9 14 17 14 10 10  8  8 10 14 16 12  8
Wind gust                                   25       20                   23
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     30          20          20          20          40
QPF 12hr              0.02-0.09        0.03        0.02        0.02   0.05-0.13
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS SC IS IS IS IS IS IS IS IS       IS IS IS IS SC SC IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       97104105 98 88 83       92 98100 94 85 81       91 97 98 93 84
Max heat        104   116   115    94    98   109   106    92    97   106   105
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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    90      76    90      76    89
Temp          77 84 89 81   77 85 90 81   77 85 90 81   77 84 89 81
Dewpt         75 76 76 75   75 76 77 76   76 77 77 76   75 76 78 76
PWind dir         E     E      SE    SE      SE     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC SC   SC SC B1 B2   B1 SC SC SC   SC SC SC SC
PoP 12hr         30    30      20    70      40    10      10    10
Rain shwrs    IS IS IS IS   IS IS IS NM   SC IS IS IS   IS IS IS IS
Tstms                             IS IS

$$
PRZ002-242000-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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    66 76 82    74 86 90    67 76 82    73 85 90
Temp             83 87 88 84 80 79 77 77 82 85 86 83 80 78 77 77 82 85 85 82 79
Dewpt            77 77 77 77 75 75 75 75 75 76 76 76 75 75 75 75 75 76 76 75 74
RH               82 72 70 80 85 88 94 94 79 75 72 80 85 91 94 94 79 75 75 79 85
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          8 11 12 13 12 11 11 12 11 14 17 14 13 13 12 11 14 16 14 12  8
Wind gust                    24 23 23 24 23          25 25 24 21 25
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     30          20          20          20          40
QPF 12hr              0.03-0.09        0.05        0.04        0.02   0.06-0.13
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 SC SC IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       92 99 99 95 86 82       89 95 96 92 84 80       88 93 94 90 84
Max heat        103   111   111    94    98   106   106    92    98   105   105
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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    87      77    88      76    87
Temp          77 83 87 80   77 83 87 80   77 84 88 80   77 83 87 80
Dewpt         74 75 75 74   75 75 76 75   75 75 76 74   75 75 76 75
PWind dir         E     E      SE    SE      SE     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC SC   B1 B1 B1 B1   B1 B1 SC SC   B1 SC SC SC
PoP 12hr         30    40      40    50      50    40      40    30
Rain shwrs    IS SC IS SC   SC SC SC SC   SC SC IS IS   SC SC IS IS
Tstms                                IS

$$
PRZ003-242000-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                79 89 94    69 76 82    77 87 93    69 76 82    75 85 91
Temp             84 88 89 85 80 78 77 77 83 86 87 84 79 78 77 77 82 85 85 82 79
Dewpt            77 77 76 77 75 75 75 74 75 75 75 76 74 75 75 74 75 76 76 76 74
RH               80 70 66 77 85 91 94 90 77 70 68 77 85 91 94 90 79 75 75 82 85
Wind dir          E  E  E  E  E NE NE NE NE  E  E  E NE NE  E NE  E  E  E  E  E
Wind spd          6 12 13 11 11 10  9 10 11 16 16 14 11 11 11 11 13 17 14 11  8
Wind gust           25 28 21 23 20 19 20 21 29 29 28 23 23 24 23 25 33 26 23
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     10          10          10          10          10
QPF 12hr                   0.01        0.02        0.03        0.03   0.00-0.08
Snow 12hr                    MM          MM          MM
Rain shwrs       IS       IS    IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       93100101 95 85 81       90 95 97 92 83 80       88 93 95 90 83
Max heat        103   113   111    93    98   108   106    92    97   106   105


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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    87      76    88      76    87
Temp          76 83 87 80   77 83 87 80   77 84 88 80   77 83 87 80
Dewpt         74 75 75 74   75 75 76 75   75 76 76 75   75 75 76 75
PWind dir         E     E       E    SE       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC FW   SC SC SC SC
PoP 12hr         10    10      30    30      20    20      30    30
Rain shwrs    IS IS IS IS   IS SC SC IS   IS IS IS IS   IS IS IS IS

$$
PRZ004-242000-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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 88 94    69 73 77    75 85 91    68 73 77    74 84 90
Temp             82 87 88 83 78 76 74 74 80 84 85 81 77 75 74 74 80 83 84 80 76
Dewpt            76 75 74 75 74 74 73 73 74 74 74 74 73 73 73 73 74 74 74 74 73
RH               82 68 63 77 88 94 97 97 82 72 70 79 87 94 97 97 82 74 72 82 90
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 10 11 10  6  5  5  8  6 12 14 12  6  6  6  5  9 13 13 10  5
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     20          10          10          20          40
QPF 12hr              0.01-0.09        0.03        0.03        0.03   0.02-0.13
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       89 96 97 90 80          85 91 93 86             83 89 90 84
Max heat        103   112   110    89    97   105   103    87    95   103   102


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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    86
Temp          73 81 86 77   74 81 86 77   74 82 87 78   74 81 86 78
Dewpt         72 74 74 73   73 74 75 73   73 75 75 73   73 74 75 74
PWind dir         E     E      SE    SE      SE     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC SC   SC SC B1 B1   SC SC SC SC   SC SC SC SC
PoP 12hr         20    20      30    40      30    10      20    20
Rain shwrs    IS IS IS IS   IS IS SC SC   SC IS IS IS   IS IS IS IS
Tstms                             IS IS

$$
PRZ005-242000-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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 91 94    72 75 82    83 88 93    72 75 82    83 88 92
Temp             85 90 91 86 80 78 76 76 83 87 88 84 80 78 76 76 83 87 88 84 79
Dewpt            78 79 79 78 77 76 75 74 77 78 77 77 76 76 75 74 76 77 77 77 75
RH               80 70 68 77 91 94 97 94 82 75 70 80 88 94 97 94 80 72 70 80 88
Wind dir          E  E NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          4 12 17 16 11  9  6  8 11 17 19 17 13 10  8  8 11 16 18 17 10
Wind gust              29 29 23             27 32 29 24             27 32 31 20
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     10          10          10          10          20
QPF 12hr              0.00-0.17        0.01           0           0   0.03-0.20
Snow 12hr                    MM          MM          MM
Rain shwrs          IS IS IS IS             IS                   IS IS IS IS IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       96107107 98 86          92100101 94 83          92 99100 93 82
Max heat        104   120   116    92   100   113   111    91   100   108   108
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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    90      74    90      75    91      75    90
Temp          75 84 90 80   75 84 90 80   76 85 91 80   76 84 90 80
Dewpt         74 76 77 76   74 77 78 76   75 77 78 76   75 77 78 77
PWind dir         E     E      SE     E      SE     E      SE     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC SC   SC SC B1 B1   SC SC SC SC   SC FW FW SC
PoP 12hr         20    10      20    70      10    30       5    10
Rain shwrs    IS IS IS IS   IS IS NM NM   IS IS IS IS   IS IS IS IS
Tstms                             IS IS            IS

$$
PRZ006-242000-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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 86 94    62 71 76    74 83 93    62 72 75    73 81 90
Temp             80 85 86 81 76 74 72 73 78 82 83 79 75 74 72 73 78 81 81 78 74
Dewpt            74 75 74 73 73 72 71 71 72 73 73 73 72 72 72 71 73 74 73 73 72
RH               82 72 68 77 90 93 97 93 82 74 72 82 90 93100 93 85 79 77 85 93
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          3  9 11 10  5  5  4  4  6 12 13 12  6  5  5  4  6 12 12 10  5
Wind gust           24 28                   29 27 25                33 25 20
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          10          10          10          20
QPF 12hr              0.01-0.60        0.01        0.01        0.01   0.00-0.09
Snow 12hr                    MM          MM          MM
Rain shwrs          IS IS IS IS    IS    IS IS IS          IS IS IS IS IS IS IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       85 93 93 86             81 87 88 83             80 85 86 81
Max heat        101   113   108    87    95   105   105    84    95   105   103


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          71    83      71    83      72    84      71    83
Temp          72 78 83 75   72 79 83 75   72 79 84 76   72 79 83 76
Dewpt         71 72 73 72   71 73 74 72   72 73 74 73   71 73 74 73
PWind dir         E     E      SE    SE      SE     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   FW FW SC SC   SC FW FW SC   FW FW FW SC
PoP 12hr         20    10      10    40       5    10       5    20
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms                             IS IS                          IS

$$
PRZ007-242000-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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 89 94    64 75 82    74 89 93    65 75 82    73 86 92
Temp             84 89 89 85 80 78 76 76 83 88 89 84 80 78 76 76 82 85 86 82 79
Dewpt            74 75 75 75 74 73 71 71 72 73 73 73 72 72 72 71 73 74 74 74 73
RH               72 64 64 72 82 85 85 85 70 61 59 70 77 82 87 85 74 70 68 77 82
Wind dir          E  E SE  E  E NE NE NE  E  E  E  E NE NE NE NE  E  E  E  E  E
Wind spd          4 11 14 10  8  6  4  5  6 13 14 13  8  6  5  5  8 16 13 12  8
Wind gust           25 31 23 19             29 32 29 20 19 19    21 33 29 28 21
Clouds           SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     30           5           0           0          10
QPF 12hr              0.00-1.04        0.01           0           0   0.00-0.16
Snow 12hr                    MM          MM          MM
Rain shwrs             IS IS IS    IS          IS    IS IS             IS IS IS
Tstms                  IS IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       91 99101 94 84          89 96 97 92 83          87 93 94 89 82
Max heat        100   114   110    91    96   107   106    90    95   106   105


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    87      76    86      76    88      75    87
Temp          76 82 87 79   77 82 86 79   77 83 88 79   76 82 87 79
Dewpt         71 73 74 74   72 74 75 74   73 74 75 74   72 73 75 75
PWind dir         E     E       E    SE       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW SC
PoP 12hr          0    10       5     5       5     5       5    20
Rain shwrs    IS    IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ008-242000-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                83 89 94    70 74 82    83 87 93    71 75 82    83 86 92
Temp             83 88 89 84 79 77 75 75 82 86 87 83 79 77 76 76 82 85 86 82 78
Dewpt            75 77 77 76 76 75 74 73 75 76 76 75 75 74 74 73 74 76 76 75 75
RH               77 70 68 77 91 94 97 94 79 72 70 77 88 90 94 90 77 75 72 79 91
Wind dir          E NE NE NE  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E  E  E
Wind spd          6 11 14 16 16 11 10  8 12 16 20 20 16 13 10 10 13 17 19 17 10
Wind gust              28 29 29    20    23 26 33 34 28 27 21 20 25 27 33 31
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1
PoP 12hr                     10           0          10          10          50
QPF 12hr              0.01-0.25           0   0.00-0.13           0   0.07-0.53
Snow 12hr                    MM          MM          MM
Rain shwrs             IS IS IS                IS                IS IS SC SC SC
Tstms                                                                  IS IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       90100102 93 82          89 96 97 91 80          87 95 96 89 80
Max heat        100   114   110    92    99   109   107    90    96   108   106
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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    89      74    88
Temp          75 82 88 78   75 82 88 78   75 83 89 79   75 82 88 79
Dewpt         73 74 75 75   73 74 76 75   74 75 76 76   74 75 77 76
PWind dir         E     E      SE     E      SE     E       E     E
Wind char        LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC SC SC   FW SC SC B1   FW FW SC SC   SC FW FW SC
PoP 12hr         30    30      10    70       5    40       5    40
Rain shwrs    SC    SC SC   IS IS NM NM   IS IS SC SC   IS IS SC SC
Tstms                  IS         IS IS         IS IS         IS IS

$$
PRZ009-242000-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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 94    64 71 74    74 85 93    65 72 75    73 83 92
Temp             81 86 87 82 76 74 72 72 79 84 85 81 76 74 73 73 79 82 83 79 75
Dewpt            73 74 74 73 73 73 71 70 72 73 73 72 71 72 71 70 72 73 73 72 72
RH               77 68 65 74 90 97 97 93 79 70 67 74 85 93 93 90 79 74 72 79 90
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          3  5  6  8  6  5  4  4  5 10 11 13  8  5  4  4  6  9  9  8  4
Wind gust           23 27 18 18             25 31 29 18 16          31 28 27 19
Clouds           SC SC B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     60          20          20           0          50
QPF 12hr              0.04-1.22   0.00-0.11   0.00-0.26           0   0.03-0.59
Snow 12hr                    MM          MM          MM
Rain shwrs          IS NM NM IS                IS IS                   SC SC IS
Tstms                  IS IS                                           IS IS
Obvis             H  H     H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       85 94 96 87             83 90 91 84             81 87 89 82
Max heat         98   114   110          95   107   106    85    94   106   105


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          71    84      72    84      72    85      72    84
Temp          72 79 84 76   73 79 84 76   73 80 85 76   73 80 84 76
Dewpt         71 72 73 72   71 73 74 72   72 73 74 73   71 73 74 73
PWind dir         E     E      SE     E      SE     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   FW FW FW SC   FW FW FW SC   FW FW SC B1
PoP 12hr         20    40       5    40       5    40       5    50
Rain shwrs    IS    SC SC         SC SC         SC SC   IS IS SC SC
Tstms               IS IS         IS IS         IS IS         IS IS

$$
PRZ010-242000-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                79 91 94    69 74 82    78 90 93    70 75 82    75 88 92
Temp             85 90 91 85 80 77 75 76 84 89 90 85 80 78 76 76 83 87 88 84 79
Dewpt            75 77 78 77 77 75 74 72 75 76 76 76 75 74 73 72 74 76 76 76 76
RH               72 66 66 77 91 94 97 87 74 66 64 75 85 88 90 87 74 70 68 77 91
Wind dir          E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E  E
Wind spd          5  5  5  6 11  8  8  6  8  8 10 14 13 11  8  8  9  9  9  8  5
Wind gust        17    19 20 25 18 21    23 21 27 29 33 28 20 21 24 23 26 23 18
Clouds           SC SC B2 B1 SC SC SC SC SC SC B1 SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     60          30          30           0          60
QPF 12hr              0.03-1.27   0.00-0.16   0.02-0.29           0   0.04-0.62
Snow 12hr                    MM          MM          MM
Rain shwrs          IS NM NM SC                SC IS                   NM NM SC
Tstms                  IS IS                                           IS IS
Obvis             H  H     H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       93103105 96 83          92100102 95 83          90 98100 93 82
Max heat        100   117   112    92    98   111   109    92    98   108   108
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    89      75    89      75    90      75    89
Temp          75 84 89 80   76 84 89 80   76 85 90 80   76 84 89 80
Dewpt         74 74 76 75   74 75 77 76   75 75 77 76   74 75 77 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    SC SC SC SC   FW FW SC SC   FW FW FW SC   FW FW SC B1
PoP 12hr         30    30       5    40       5    30       5    50
Rain shwrs    SC    SC SC         IS SC         SC SC   IS IS NM SC
Tstms               IS IS         IS IS         IS IS         IS IS

$$
PRZ011-242000-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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 92 94    70 74 82    83 92 93    72 75 82    83 90 92
Temp             86 91 92 87 80 77 75 76 85 91 92 86 80 78 76 76 84 89 90 85 80
Dewpt            76 78 79 78 77 75 73 72 74 76 77 77 75 74 73 72 74 77 77 77 76
RH               72 66 66 75 91 94 94 87 70 62 62 75 85 88 90 87 72 68 66 77 88
Wind dir          E SE  E  E  E  E NE NE  E  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd          5 11 13  9  9  9  8  6  5 11 16 17 11  8  6  6  6 17 18 14 12
Wind gust           26 32 20 23 23          28 35 34 24             35 36 32 26
Clouds           SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     30          10          10           0          10
QPF 12hr              0.02-1.22   0.00-0.16   0.00-0.11           0   0.01-0.21
Snow 12hr                    MM          MM          MM
Rain shwrs             IS IS IS                IS IS                   IS IS
Tstms                  IS IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       96106109 99 85          93103105 97 85          92101103 96 86
Max heat         99   115   113    92    95   110   109    90    95   108   106


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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    91      76    92      75    91
Temp          76 85 91 81   77 85 91 81   77 86 92 81   76 85 91 81
Dewpt         73 74 77 76   74 76 77 77   75 76 77 76   73 75 78 77
PWind dir         E     E       E    SE       E    SE       E     E
Wind char        GN    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW SC
PoP 12hr          0    10       5     5      10    10       5    30
Rain shwrs          IS IS                    IS IS IS   IS IS SC IS
Tstms                                                            IS

$$
PRZ012-242000-
Culebra-
Including the city of Culebra
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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 88 93          80    83 87 92          79    83 86 91
Temp             85 87 88 86 82 81 80 80 84 87 87 85 82 81 80 80 84 86 86 84 82
Dewpt            78 79 78 78 77 77 77 77 77 77 77 78 77 77 77 77 77 77 76 77 76
RH               80 77 72 77 85 88 91 91 80 72 72 80 85 88 91 91 80 75 72 80 82
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 16 20 21 20 20 20 19 20 21 21 23 23 21 19 20 19 17 16 13
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     20          10          10          10          30
QPF 12hr                   0.05        0.01        0.02        0.02        0.08
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS    IS IS IS    IS IS       IS IS IS IS SC SC IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       97101101 98 91 88 85 86 94 98 99 96 90 88 84 85 93 97 97 94 90
Max heat        103   109   109    94    98   106   105    93    98   103   103
Heat                 Y  Y
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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      80    88      80    89      80    88
Temp          80 85 88 82   80 85 88 82   80 85 89 82   80 85 88 83
Dewpt         76 76 76 76   77 76 77 77   77 77 77 77   76 77 77 77
PWind dir         E     E      SE    SE      SE     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      BZ    GN
Avg clouds    SC B1 SC SC   SC B1 B1 SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40    30      40    40      20    20      30    30
Rain shwrs    SC SC IS SC   SC SC SC IS   IS IS IS IS   IS SC SC IS

$$
PRZ013-242000-
Vieques-
Including the city of Vieques
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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 88 92    76 79 82    83 87 91    75 78 82    83 86 89
Temp             85 88 88 85 82 81 80 80 84 87 87 85 81 80 79 79 83 86 86 84 81
Dewpt            77 77 76 77 75 76 76 75 76 76 75 76 75 76 76 75 76 76 75 76 75
RH               77 70 68 77 79 85 88 85 77 70 68 75 82 88 91 88 80 72 70 77 82
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 16 19 21 19 20 20 19 20 20 21 21 23 21 20 21 19 17 17 13
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          10          10          10          20
QPF 12hr                   0.03        0.02        0.02        0.03        0.05
Snow 12hr                    MM          MM          MM
Rain shwrs       IS    IS IS       IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       95 99100 96 89 86 83 83 93 97 97 94 88 85 80 80 91 95 95 93 87
Max heat        100   106   105    91    97   103   102    91    94   100    99
Heat                 Y  Y


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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    89      79    88
Temp          79 84 88 82   80 85 88 82   80 85 89 82   80 85 88 82
Dewpt         75 75 74 75   75 75 75 75   76 76 75 75   75 76 75 75
PWind dir         E     E      SE    SE      SE     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      BZ    GN
Avg clouds    SC SC SC SC   SC B1 B1 SC   SC SC SC SC   B1 B1 SC SC
PoP 12hr         30    30      40    40      30    40      40    30
Rain shwrs    IS SC IS SC   SC SC SC SC   SC IS IS SC   SC SC SC IS

$$
VIZ001-242000-
St.Thomas...St. John...and Adjacent Islands-
Including the cities of Anna`s Retreat, Charlotte Amalie,
Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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    72 79 82    83 86 93    72 79 82    83 85 91
Temp             84 86 86 84 81 80 79 80 83 85 86 84 81 80 79 80 82 85 85 83 81
Dewpt            77 77 77 76 76 77 76 76 76 76 76 76 76 77 77 75 75 76 75 76 75
RH               80 75 75 77 85 91 91 88 80 75 72 77 85 91 94 85 79 75 72 80 82
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 16 20 21 20 21 21 20 21 21 23 23 23 20 20 20 18 18 14 13
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20           0          10          10          20
QPF 12hr                   0.03           0        0.02        0.02        0.04
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS                   IS IS       IS IS IS IS IS IS IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       94 97 98 93 87 85 83 83 91 95 95 93 87 85 82 83 89 94 93 91 86
Max heat        103   110   111    97   100   107   106    94    99   105   105
Heat                 Y  Y
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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    87      79    86
Temp          79 83 86 81   79 84 86 81   79 84 87 82   79 84 86 81
Dewpt         76 75 75 75   76 75 75 75   76 76 75 75   76 76 75 76
PWind dir         E     E      SE    SE      SE     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      BZ    GN
Avg clouds    SC B1 SC SC   SC SC SC SC   FW SC FW FW   SC SC SC SC
PoP 12hr         40    20      30    30      10    10      30    30
Rain shwrs    SC SC IS IS   IS SC SC IS   IS IS IS IS   IS SC SC IS

$$
VIZ002-242000-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 AM AST Sun Aug 24 2025

Date             Sun 08/24/25            Mon 08/25/25            Tue 08/26/25
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 88 94    76 79 82    83 87 93    75 79 82    83 86 92
Temp             84 87 88 85 82 81 80 80 84 86 87 84 81 80 79 79 83 85 86 84 81
Dewpt            77 77 77 77 76 76 76 76 76 77 76 77 76 76 76 76 76 76 76 76 75
RH               80 72 70 77 82 85 88 88 77 75 70 80 85 88 91 91 80 75 72 77 82
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 19 18 17 19 20 20 19 20 20 21 20 20 19 19 19 19 17 14 12
Wind gust                                            31 31
Clouds           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     10           0          20          20          10
QPF 12hr                   0.02           0        0.05        0.02        0.03
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS                IS IS IS IS IS       IS IS IS IS IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       95 99100 95 89 86 83 83 93 97 98 95 88 86 81 82 92 96 96 93 87
Max heat        102   112   109    92   100   109   107    92    98   106   105
Heat                 Y  Y


Date          Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
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    88      79    89      79    88
Temp          79 84 87 82   79 84 88 82   80 85 89 82   80 84 88 82
Dewpt         75 76 76 76   76 76 76 76   76 76 76 76   76 76 76 76
PWind dir         E     E      SE    SE       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   FW FW FW SC   SC SC SC SC
PoP 12hr         20    20      20    20       5    20      30    30
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS SC SC

$$