Point Forecast Matrices
Issued by NWS San Juan, PR

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Point Forecast Matrices
National Weather Service San Juan PR
503 AM AST Sat Nov 1 2025

PRZ001-012000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Sat Nov 1 2025

Date             Sat 11/01/25            Sun 11/02/25            Mon 11/03/25
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                      88          77          90          77          89
Temp             82 87 88 83 80 79 78 77 83 89 90 84 81 79 78 77 83 88 89 83 81
Dewpt            75 76 75 76 75 75 74 74 73 74 73 73 73 73 73 72 73 74 74 74 74
RH               79 70 66 80 85 88 88 90 72 61 58 70 77 82 85 85 72 63 61 74 79
Wind dir         SE  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          9 14 13  9 10 12 12 12  9 16 13 12 10  9  8 10 11 16 12 11  8
Clouds           OV B2 B2 OV B1 SC SC SC FW FW B1 B1 B2 B2 B1 B1 B2 B2 SC SC B1
PoP 12hr                     70          40          50          50          50
QPF 12hr                   0.89        0.20        0.13        0.16        0.13
Rain shwrs        L  L  L  L  C  S  S  S        C  C  C  C  C  C  C  C  C  C  C
Tstms             S  S  S  S  S
Heat index       89 98 97 90 85          89 98 98 90 86 82       88 97 98 90 86
Max heat         89    99    96    84    89    98    96    85    88    98    96


Date          Tue 11/04/25  Wed 11/05/25  Thu 11/06/25  Fri 11/07/25
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    89      77    88      77    89      76    89
Temp          78 83 89 81   78 82 88 80   78 83 89 80   77 82 89 81
Dewpt         74 73 74 74   73 73 72 73   73 73 74 73   73 73 73 72
PWind dir         E     E       E     E      SE     E       E     E
Wind char        LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1 SC SC   SC SC SC SC   B1 B1 SC B1   B1 B1 SC SC
PoP 12hr         40    30      30    40      40    40      40    30
Rain shwrs     C  C  C  C    C  C  S  C    C  C  C  C    C  C  C  S

$$
PRZ002-012000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Sat Nov 1 2025

Date             Sat 11/01/25            Sun 11/02/25            Mon 11/03/25
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                      86          78          89          77          89
Temp             81 85 86 82 80 79 79 78 83 88 89 83 81 79 78 77 83 88 89 83 81
Dewpt            76 78 77 76 76 76 75 74 76 75 74 75 74 74 73 74 75 76 76 75 75
RH               85 80 75 82 88 91 88 88 80 66 61 77 79 85 85 90 77 68 66 77 82
Wind dir          E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         16 16 11 13 17 17 16 14 12 12 13 12 11 11 11 11 12 16 13 10  9
Clouds           OV B2 B2 B2 B1 SC SC SC SC SC B1 B1 B2 B2 B1 B1 B2 B2 SC SC B1
PoP 12hr                     70          40          50          50          50
QPF 12hr                   0.87        0.22        0.16        0.16        0.13
Rain shwrs        L  L  L  L  C  S  C  S  C  S  C  C  C  C  C  C  C  C  C  C  C
Tstms             S  S  S  S  S
Heat index       88 97 97 89 86 84       91 98 98 90 86          90 99100 90 86
Max heat         88    97    95    86    91    99    96    84    90   101    97


Date          Tue 11/04/25  Wed 11/05/25  Thu 11/06/25  Fri 11/07/25
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    87      77    87      77    87      76    87
Temp          78 82 87 80   78 82 87 80   78 82 87 79   77 81 87 80
Dewpt         75 75 75 74   74 74 74 74   74 75 74 74   74 75 74 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      LT    LT      LT    LT      GN    GN
Avg clouds    B1 B1 SC SC   SC SC SC B1   B1 B1 B1 B1   SC SC B1 B1
PoP 12hr         40    30      30    40      50    50      30    40
Rain shwrs     C  C  C  C    S  C  C  C    C  C  C  C    C  C  C  C

$$
PRZ007-012000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Sat Nov 1 2025

Date             Sat 11/01/25            Sun 11/02/25            Mon 11/03/25
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                      86          77          90          75          90
Temp             81 85 86 82 80 78 78 77 83 89 90 83 80 77 76 75 82 89 90 83 80
Dewpt            76 78 78 77 76 75 75 74 75 77 76 75 74 73 72 71 73 76 76 76 75
RH               85 80 77 85 88 91 91 90 77 68 64 77 82 87 87 87 74 66 64 80 85
Wind dir          E  E  E  E  E  E  E  E  E  E SE  E  E NE NE NE NE  E  E  E  E
Wind spd          6 20 16  9 10 11 11 10  9 13 12  9  8  6  6  5  5 13 13 11  6
Wind gust           34 26                   24                         24
Clouds           B2 B2 B2 B2 B1 SC SC SC SC SC FW FW CL CL FW FW CL CL SC SC CL
PoP 12hr                     60          40          20           0           5
QPF 12hr                   0.82        0.16        0.03        0.01        0.01
Rain shwrs        C  C  L  L  C  S  S  S  S  S                          S  S
Tstms             S  S  S  S  S
Heat index       87 97 98 89 85          91101101 90 84          87100101 90 84
Max heat         87    98    96    84    91   102    98          87   102    99


Date          Tue 11/04/25  Wed 11/05/25  Thu 11/06/25  Fri 11/07/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    89      75    89      75    89      74    89
Temp          76 82 89 79   76 82 89 79   76 82 89 79   75 81 89 79
Dewpt         73 74 76 74   72 74 75 74   71 74 76 75   72 73 76 74
PWind dir        NE     E      NE     E      NE     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    CL CL FW FW   CL FW SC SC   CL FW SC SC   CL CL FW SC
PoP 12hr          0    10      10    20      10    30       0    20
Rain shwrs           S  S       S  S  S       S  C  C          S  S

$$
PRZ008-012000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Sat Nov 1 2025

Date             Sat 11/01/25            Sun 11/02/25            Mon 11/03/25
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                      86          75          88          75          85
Temp             80 85 86 81 78 77 76 75 81 87 88 82 79 77 76 75 80 84 85 80 78
Dewpt            75 76 76 75 75 74 73 72 74 75 76 75 74 73 71 70 73 75 76 75 75
RH               85 75 72 82 91 90 90 90 79 68 68 79 85 87 85 84 79 74 75 85 91
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          9 10  4  4  9  8 11 12 10 10 18 17 12 14 13 10 13 16 13 16 16
Clouds           SC SC B2 OV FW SC CL FW CL CL FW SC FW FW SC SC FW FW SC SC SC
PoP 12hr                     70          10           5           5          30
QPF 12hr                   0.93        0.04        0.01        0.02        0.01
Rain shwrs        S  S  L  L  S  S              S  S        S  S  S  S  C  C  S
Tstms                   S  S
Heat index       85 95 96 86             86 96 98 88             84 92 94 85
Max heat         85    97    93          86    99    96          84    94    92


Date          Tue 11/04/25  Wed 11/05/25  Thu 11/06/25  Fri 11/07/25
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    87      75    86      74    86      74    86
Temp          76 81 87 79   76 80 86 78   75 80 86 78   75 80 86 78
Dewpt         73 74 75 74   72 73 74 73   71 73 74 74   72 73 75 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC FW FW FW   CL CL FW SC   CL FW SC B1   SC SC FW B1
PoP 12hr         10    10       0    30      10    60      20    40
Rain shwrs     S  S  S  S          C  C       S  L  L    S  S  C  C
Tstms                                            S  S

$$
PRZ010-012000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Sat Nov 1 2025

Date             Sat 11/01/25            Sun 11/02/25            Mon 11/03/25
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                      91          74          91          72          91
Temp             82 89 90 83 79 77 75 74 82 89 90 82 78 75 73 72 81 89 90 82 78
Dewpt            76 78 78 76 75 74 74 74 75 76 76 76 74 73 71 71 73 76 77 76 75
RH               82 70 68 80 88 90 97100 79 66 64 82 88 94 93 97 77 66 66 82 91
Wind dir          E  E  E  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd          3  1  6 11  8  8  6  6  5  5  3  4  6  5  5  4  6  4  4  5  4
Clouds           FW FW OV OV SC FW CL FW CL CL SC SC CL CL CL CL CL CL B2 B2 CL
PoP 12hr                     80          10          30           0          50
QPF 12hr                   1.48        0.04        0.05           0        0.55
Rain shwrs              D  D  S                 S  C                    C  C
Tstms                   S  S                                            S  S
Heat index       89104105 90 83          89101102 88             86101104 89
Max heat         89   107   102          89   103    99          86   104   100


Date          Tue 11/04/25  Wed 11/05/25  Thu 11/06/25  Fri 11/07/25
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    91      73    91      73    91      72    91
Temp          74 81 90 78   74 81 90 78   74 81 90 78   73 81 90 78
Dewpt         73 75 76 75   72 74 75 74   72 73 76 74   72 74 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL SC SC   CL CL SC SC   CL FW SC B1   CL CL SC B1
PoP 12hr          0    50       0    50       0    60       0    50
Rain shwrs           C  C          C  C          L  L          C  C
Tstms                S  S          S  S          S  S          S  S

$$
VIZ001-012000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Sat Nov 1 2025

Date             Sat 11/01/25            Sun 11/02/25            Mon 11/03/25
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                      89          81          89          80          89
Temp             84 88 89 85 83 82 82 81 85 88 89 85 83 81 81 80 84 88 89 85 83
Dewpt            78 78 78 78 77 77 76 76 76 76 76 75 75 76 76 77 76 77 76 76 76
RH               82 72 70 80 82 85 82 85 75 68 66 72 77 85 85 91 77 70 66 75 80
Wind dir         SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         23 18 18 19 24 24 23 19 20 20 17 17 17 17 18 20 19 18 18 16 17
Clouds           B2 B2 B2 B2 SC FW FW SC CL CL SC SC B1 B1 B1 B1 B1 B1 SC SC SC
PoP 12hr                     50           5          40          40          40
QPF 12hr                   0.68        0.05        0.06        0.15        0.05
Rain shwrs        C  C  C  C  S     S  S        S  S  C  C  C  C  C  C  S  S  S
Tstms             S  S  S  S
Heat index       95102103 97 93 91 88 87 94 99100 93 90 88 87 87 93101100 94 92
Max heat         95   103   103    92    94   100    98    89    93   101    99


Date          Tue 11/04/25  Wed 11/05/25  Thu 11/06/25  Fri 11/07/25
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          81    89      81    87      81    89      79    89
Temp          82 85 89 83   82 84 87 83   81 85 89 82   80 84 89 83
Dewpt         76 76 76 76   76 75 75 75   75 75 75 75   76 75 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC B1 SC   SC SC FW SC
PoP 12hr         20    20      30    30      50    50      20    40
Rain shwrs     S  S  S  S    S  C  C  S    S  C  C  C    S  S  C  C

$$
VIZ002-012000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Sat Nov 1 2025

Date             Sat 11/01/25            Sun 11/02/25            Mon 11/03/25
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                      87          78          90          77          90
Temp             82 86 87 83 81 79 79 78 84 89 90 84 81 79 78 77 83 89 90 84 81
Dewpt            77 78 77 77 76 75 75 74 76 76 76 75 74 74 74 74 76 76 76 75 75
RH               85 77 72 82 85 88 88 88 77 66 64 74 79 85 88 90 80 66 64 74 82
Wind dir          E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         18 17 17 17 18 19 19 18 18 16 18 16 16 16 14 17 17 19 17 14 12
Clouds           B2 B2 B2 B2 SC SC SC SC CL CL SC SC SC SC SC SC B1 B1 SC SC FW
PoP 12hr                     60          30          30          40          40
QPF 12hr                   0.72        0.13        0.07        0.12        0.07
Rain shwrs        C  L  C  C  S  C  S  S        S  S  C  C  C  C  C  C  S  S
Tstms             S  S  S  S
Heat index       90 99 98 91 87 84       92100101 91 86 83       91100101 91 87
Max heat         90   100    98    86    92   102    99    85    91   102    99


Date          Tue 11/04/25  Wed 11/05/25  Thu 11/06/25  Fri 11/07/25
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    88      77    89      77    88      76    88
Temp          78 82 88 80   78 83 89 81   78 82 88 80   77 82 88 80
Dewpt         75 76 75 74   74 75 75 75   74 75 76 75   74 75 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW FW SC SC   SC SC SC SC   SC SC B1 SC   SC FW SC SC
PoP 12hr         20    20      30    30      50    50      10    50
Rain shwrs        S  S  S    S  C  C  S    S  C  C  S    S  S  C  C
Tstms                                                          S  S

$$