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 Fri Nov 22 2024

PRZ001-222000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Fri Nov 22 2024

Date             Fri 11/22/24            Sat 11/23/24            Sun 11/24/24
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          77          89          78          88
Temp             82 88 89 83 81 79 78 77 83 88 89 84 81 80 79 78 83 87 88 83 80
Dewpt            73 74 74 75 75 75 75 75 75 76 77 76 76 76 75 75 76 76 76 76 76
RH               74 63 61 77 82 88 91 94 77 68 68 77 85 88 88 91 80 70 68 80 88
Wind dir          S  E  E SE SE SE  S  S SE  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          3  3  9  6  6  5  4  3  3  4  9  8  4  4  6  8  9 10  8  9  9
Clouds           CL CL SC B2 B2 SC B1 B1 SC SC B1 B1 SC SC B2 B2 SC SC B1 B1 SC
PoP 12hr                     60          60          50          50          50
QPF 12hr                   0.31        0.33        0.43        0.19        0.29
Rain shwrs              C  C  L  C  C  C  S  S  C  C  S  S  C  C  C  C  C  C  C
Tstms                                           S  S        S  S        S  S
Heat index       87 97 98 90 87          90 99102 93 87 86       91 98 99 91 86
Max heat         87    99    95    85    90   102    98    87    91    99    96


Date          Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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      76    87      77    89      78    90
Temp          78 82 87 79   77 81 87 80   78 83 89 81   79 84 90 81
Dewpt         75 76 76 76   75 74 75 75   74 75 75 76   75 75 76 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC B1 SC SC   SC B1 B1 B1   B1 B1 SC SC   FW SC SC B1
PoP 12hr         60    60      60    60      60    50      30    60
Rain shwrs     C  C  C  C    C  L  L  L    L  L  C  C    C  C  L  L
Tstms                        S  S  S  S                        S  S

$$
PRZ002-222000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Fri Nov 22 2024

Date             Fri 11/22/24            Sat 11/23/24            Sun 11/24/24
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          75          87          76          89
Temp             81 87 88 82 79 77 76 75 81 86 87 82 79 78 77 76 82 88 89 83 80
Dewpt            76 76 76 76 76 76 76 75 77 78 78 77 77 77 77 76 78 78 78 77 77
RH               85 70 68 82 91 97100100 88 77 75 85 94 97100100 88 72 70 82 91
Wind dir         SE SE SE SE SE SE SE SE SE  E  E  E NE NE NE NE  E  E  E  E  E
Wind spd          4  6  6  6  6  5  5  3  4  5  5  5  6  5  6  8 10  9  9  8 11
Clouds           CL SC SC SC OV B2 B2 B2 SC SC B1 B1 SC SC B2 B2 SC SC SC SC SC
PoP 12hr                     70          70          40          60          30
QPF 12hr                   0.18        0.68        0.40        0.23        0.16
Rain shwrs           S  S  C  L  C  L  C  C  C  C  C  C  C  L  L  C  C  S  S  C
Tstms                                           S  S        S  S
Heat index       87 98 99 89             88 98100 90             91102103 92 87
Max heat         87    99    96          88   100    97          91   103   100


Date          Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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    85      76    89      77    89
Temp          77 82 88 80   77 80 85 79   77 82 89 81   78 83 89 80
Dewpt         77 78 77 76   75 76 77 76   76 77 77 77   75 77 77 77
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    BZ      GN    BZ      GN    GN      GN    GN
Avg clouds    SC B1 SC SC   B1 B2 B2 B2   B2 B2 B1 SC   FW SC B1 B1
PoP 12hr         60    60      70    70      60    60      60    60
Rain shwrs     C  C  C  C    C  L  L  L    L  L  L  L    C  L  L  L
Tstms                        S  S  S  S          S  S       S  S  S

$$
PRZ007-222000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Fri Nov 22 2024

Date             Fri 11/22/24            Sat 11/23/24            Sun 11/24/24
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          78          90          79          92
Temp             84 90 91 85 82 80 79 78 84 89 90 85 82 81 80 79 85 91 92 84 81
Dewpt            75 77 77 78 77 76 76 75 77 79 79 78 79 77 77 75 78 79 79 79 77
RH               74 66 64 80 85 88 91 91 80 73 70 80 91 88 91 88 80 68 66 85 88
Wind dir         NE  E SE SE NE NE NE NE NE SE SE  E NE NE NE NE NE  E  E  E NE
Wind spd          3  8  6  5  4  4  4  4  4  9  6  4  4  5  5  5  4 11 14  5  6
Wind gust                                                              25
Clouds           SC B1 B2 B2 SC B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC B1
PoP 12hr                     60          50          50          20          40
QPF 12hr                   0.23        0.28        0.44        0.10        0.13
Rain shwrs        S  C  L  C  C  C  C  C  C  S  C  C  S  S  S  S  S  S  S  S  C
Tstms                                           S  S                          S
Heat index       92103105 97 90 86       94105106 97 92 88 87    97108109 96 88
Max heat         92   106   103    88    94   106   103    91    97   109   106


Date          Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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    91      77    90      78    92      79    87
Temp          77 83 91 81   78 83 90 82   79 85 92 83   80 83 87 81
Dewpt         76 78 79 76   75 76 77 77   75 77 78 77   75 78 79 78
PWind dir        NE     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      GN    GN      LT    LT
Avg clouds    B1 SC FW FW   FW FW FW SC   FW FW FW SC   SC FW SC SC
PoP 12hr         40    30      10    40      20    60      60    50
Rain shwrs     C  C  C  C    S  S  C  C    S  S  C  L    L  C  C  C
Tstms          S  S

$$
PRZ008-222000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Fri Nov 22 2024

Date             Fri 11/22/24            Sat 11/23/24            Sun 11/24/24
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          74          84          75          86
Temp             79 84 85 80 77 76 75 74 79 83 84 80 78 76 76 75 80 85 86 80 77
Dewpt            70 71 72 72 73 74 75 74 72 73 74 74 74 75 76 75 74 75 76 75 75
RH               74 65 65 77 87 94100100 79 72 72 82 88 97100100 82 72 72 85 94
Wind dir         SE NE NE NE  E SE SE  E  E NE NE NE NE  E  E  E  E  E  E  E  E
Wind spd          3  3  2  5  5  4  3  3  3  4  8  6  9 11 12 13 16 17 16 16 17
Clouds           CL CL SC B2 B1 SC CL CL FW FW B2 B2 B1 B1 SC SC SC SC OV OV B1
PoP 12hr                     60          30          70          40          70
QPF 12hr                   0.29        0.04        0.67        0.15        0.38
Rain shwrs              C  L  C  S              L  L  C  C  S  S  C  C  L  L  C
Tstms                                           S  S  S  S              S  S  S
Heat index          89 91 84                89 91 84             84 94 96 85
Max heat               91    88                92    90          84    96    93


Date          Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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    84      73    84      73    87      74    91
Temp          74 78 84 76   74 78 84 76   74 80 87 78   75 82 90 78
Dewpt         74 74 75 73   74 72 74 73   74 73 73 73   75 73 74 73
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    B1 SC FW SC   FW CL FW SC   FW FW FW SC   SC CL FW SC
PoP 12hr         40    40      30    40      10    50      50    50
Rain shwrs     C  C  C  C    C     C  C    S  S  S  C    C     C  C
Tstms          S  S  S  S

$$
PRZ010-222000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Fri Nov 22 2024

Date             Fri 11/22/24            Sat 11/23/24            Sun 11/24/24
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          72          89          74          91
Temp             80 87 88 81 77 75 73 72 80 87 89 82 79 76 75 74 82 89 90 82 78
Dewpt            73 76 77 77 75 75 73 72 75 78 78 77 76 75 74 74 76 79 79 77 75
RH               79 70 70 88 94100100100 85 75 70 85 91 97 97100 82 73 70 85 91
Wind dir          E  S  S  E  E  E  E  E  E  S NW  N NE NE NE NE  E  E  E  E NE
Wind spd          4  2  5  4  4  4  4  5  4  1  5  8  8  9 10 10  9  4  3  8 12
Clouds           CL CL SC B2 SC SC SC SC FW FW B2 B2 B1 B1 SC SC SC SC OV OV B1
PoP 12hr                     50          30          50          40          70
QPF 12hr                   0.21        0.08        0.50        0.15        0.38
Rain shwrs              C  C  C  S  S  S  S  S  C  C  C  C  S  S  C  C  L  L  C
Tstms                                           S  S  S  S              S  S  S
Heat index       84 98100 88             85100103 90             89105106 90
Max heat         84   102    97          85   105   100          89   108   102


Date          Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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    89      72    88      72    90      73    90
Temp          73 80 88 77   73 80 88 77   73 80 89 78   74 81 89 77
Dewpt         73 76 78 75   73 74 77 75   73 75 77 75   73 76 78 75
PWind dir        NE     E       E     E       E     E       E     E
Wind char        GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 SC FW SC   FW CL FW SC   FW FW FW B1   SC FW SC SC
PoP 12hr         40    50      20    60      10    60      60    60
Rain shwrs     C  C  C  C    S     L  L    S  S  L  L    L  S  L  L
Tstms          S  S  S  S          S  S          S  S          S  S

$$
VIZ001-222000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Fri Nov 22 2024

Date             Fri 11/22/24            Sat 11/23/24            Sun 11/24/24
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          86          79          89
Temp             81 85 86 82 80 79 79 78 82 85 86 83 81 80 79 79 84 88 89 84 81
Dewpt            74 75 75 75 76 77 77 77 77 77 77 77 77 77 77 77 78 77 77 77 77
RH               79 72 70 79 88 94 94 97 85 77 75 82 88 91 94 94 82 70 68 80 88
Wind dir          E SE SE SE  E  E SE  E SE SE SE  E  E NE NE NE  E  E  E  E  E
Wind spd          6  8  8 10 11 11  9  6  9  6  8  6 11 12 13 13 13 12 11 12 19
Clouds           CL SC B1 B2 B2 B1 B1 B1 SC SC B1 B1 B2 B2 B2 B2 SC SC SC SC SC
PoP 12hr                     50          50          60          60          30
QPF 12hr                   0.12        0.27        0.45        0.29        0.16
Rain shwrs           S  C  C  C  C  C  C  C  C  C  C  L  L  L  L  C  C  S  S  C
Tstms                                           S  S  S  S  S  S
Heat index       86 94 95 89 86          90 96 97 92 88 87       95100102 94 88
Max heat         86    95    94    86    90    97    96    88    95   102    99


Date          Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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          78    89      78    86      77    87      78    86
Temp          79 83 89 81   79 82 86 80   78 82 87 81   79 82 86 80
Dewpt         77 78 77 77   76 76 76 76   76 76 76 76   76 76 76 77
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    SC SC FW FW   FW SC B1 B1   SC SC SC SC   FW FW SC B1
PoP 12hr         30    20      50    50      40    40      20    60
Rain shwrs     C  C  S  S    C  C  C  C    C  C  C  C    S  S  L  L
Tstms                                                          S  S

$$
VIZ002-222000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Fri Nov 22 2024

Date             Fri 11/22/24            Sat 11/23/24            Sun 11/24/24
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          88          76          89
Temp             81 87 88 83 80 79 78 77 82 87 88 82 80 78 77 76 82 88 89 83 81
Dewpt            76 76 76 77 76 76 76 76 77 78 78 77 77 77 77 76 78 78 78 77 77
RH               85 70 68 82 88 91 94 97 85 75 72 85 91 97100100 88 72 70 82 88
Wind dir          E  E SE SE  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E
Wind spd          8  9 10  8  9  8  8  6  8  9  9  9 11 11 12 10 12 10  9 12 16
Clouds           SC SC B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 SC SC B2 B2 B1 B1 B1
PoP 12hr                     50          60          60          60          60
QPF 12hr                   0.19        0.43        0.63        0.24        0.30
Rain shwrs        S  S  C  C  C  C  L  C  C  C  L  L  L  L  C  C  L  L  C  C  C
Tstms                                           S  S  S  S        S  S  S  S  S
Heat index       87 98 99 92 86          90100102 90 87          91102103 92 88
Max heat         87   100    97    87    90   102    98          91   103   100


Date          Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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    87      76    88      77    87
Temp          78 83 90 81   78 82 87 79   77 82 88 80   78 82 87 79
Dewpt         77 78 77 76   75 76 78 76   76 76 77 76   76 77 77 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    B1 SC FW FW   SC B1 B1 B1   SC SC SC SC   FW FW FW B1
PoP 12hr         40    20      50    60      40    40      20    60
Rain shwrs     C  C  S  S    C  C  L  L    C  C  C  C    S  S  C  L
Tstms          S  S                S  S                           S

$$