Point Forecast Matrices
Issued by NWS San Juan, PR

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3
419
FOCA52 TJSJ 250903
PFMSJU

Point Forecast Matrices
National Weather Service San Juan PR
503 AM AST Mon Nov 25 2024

PRZ001-252000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Mon Nov 25 2024

Date             Mon 11/25/24            Tue 11/26/24            Wed 11/27/24
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          76          89          77          88
Temp             82 87 88 82 80 78 77 76 82 88 89 83 81 79 78 77 82 87 88 83 80
Dewpt            76 76 75 75 74 75 75 74 74 75 74 74 74 74 74 74 75 75 75 74 75
RH               82 70 66 79 82 91 94 94 77 66 61 74 79 85 88 90 79 68 66 74 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         12 17 17 11 10 11 11 12 10 14 17 11 10 10  9  8  8 12 13  9  9
Clouds           B1 SC SC SC B1 SC B2 B2 SC FW SC SC B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr                     40          50          50          50          40
QPF 12hr                   0.08        0.26        0.27        0.52        0.39
Rain shwrs        C  S  S  S  C  C  C  C  C     S  C  C  C  C  C  C  C  C  C  C
Heat index       90 98 97 89 84          88 98 98 90 86          89 96 97 89 85
Max heat         90    99    95          88    99    96    84    89    98    95


Date          Thu 11/28/24  Fri 11/29/24  Sat 11/30/24  Sun 12/01/24
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    89      77    89      77    88      77    88
Temp          78 83 89 81   78 83 89 81   78 82 88 80   78 81 88 80
Dewpt         75 75 76 75   75 76 76 76   75 75 75 76   75 75 75 75
PWind dir         E     E      SE    SE      SE     E       E     E
Wind char        LT    GN      GN    GN      LT    GN      LT    LT
Avg clouds    B1 B1 SC SC   SC SC SC SC   FW SC B1 B2   B2 B2 B2 B1
PoP 12hr         40    20      20    40      30    60      50    50
Rain shwrs     C  C  S  S    S  S  C  C    S  C  L  L    C  C  C  C
Tstms                                            S  S    S  S  S  S

$$
PRZ002-252000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Mon Nov 25 2024

Date             Mon 11/25/24            Tue 11/26/24            Wed 11/27/24
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                      87          76          87          77          87
Temp             81 86 87 82 79 78 77 76 81 86 87 82 80 79 78 77 82 86 87 82 79
Dewpt            77 77 76 76 76 76 75 75 76 76 76 76 76 75 75 75 77 77 77 77 76
RH               88 75 70 82 91 94 94 97 85 72 70 82 88 88 91 94 85 75 72 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         16 18 14 12 12 13 13 14 12 14 16 12 12 11  9 10 10 13 12  9  9
Clouds           B1 SC SC SC SC SC B1 B2 SC SC SC B1 OV OV B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     40          50          70          70          60
QPF 12hr                   0.10        0.25        0.37        0.62        0.54
Rain shwrs        C  C  S  S  C  S  C  C  S  S  S  L  L  L  L  L  L  L  L  L  C
Heat index       89 97 97 88 84          88 96 97 89 86          90 97 98 89 84
Max heat         89    99    96          88    98    95    84    90    99    96


Date          Thu 11/28/24  Fri 11/29/24  Sat 11/30/24  Sun 12/01/24
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      77    88      76    88      76    88
Temp          77 82 88 80   78 82 88 80   77 82 88 79   77 81 88 79
Dewpt         75 77 77 77   76 78 78 77   76 77 77 76   76 78 77 76
PWind dir         E     E       E    SE       E     E       E     E
Wind char        GN    GN      GN    GN      GN    LT      LT    GN
Avg clouds    B2 B1 SC SC   SC SC SC SC   B1 B1 B2 B2   B2 B2 B2 SC
PoP 12hr         50    40      30    40      50    70      60    60
Rain shwrs     C  C  C  S    S  C  C  C    C  C  L  L    L  L  L  C
Tstms                                            S  S    S  S  S  S

$$
PRZ007-252000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Mon Nov 25 2024

Date             Mon 11/25/24            Tue 11/26/24            Wed 11/27/24
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          77          92          77          91
Temp             83 90 91 84 81 79 78 77 84 91 92 85 82 79 78 77 84 90 91 84 81
Dewpt            78 79 78 77 76 75 75 74 77 77 77 77 76 76 75 74 77 78 78 77 77
RH               85 70 66 80 85 88 91 90 80 64 62 77 82 91 91 90 80 68 66 80 88
Wind dir          E  E  E  E NE NE NE NE  E  E  E  E NE NE NE NE  E  E  E  E  E
Wind spd          6 16 13 10  6  6  5  8  8 14 14 10  6  6  5  5  4 12 11  9  8
Wind gust           27                      25 25
Clouds           SC CL CL FW CL CL SC CL CL CL FW SC SC SC SC SC SC SC SC SC FW
PoP 12hr                      5          10          20          20          30
QPF 12hr                   0.01        0.01        0.10        0.08        0.21
Rain shwrs        S                 S           S  S  S  S  S  S  S  S  C  C
Heat index       93106105 94 88 83       94104105 95 88 84       93104105 94 89
Max heat         93   107   102    87    94   107   104    87    93   106   103


Date          Thu 11/28/24  Fri 11/29/24  Sat 11/30/24  Sun 12/01/24
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    86      78    86      78    86      78    86
Temp          78 81 86 80   79 82 86 80   79 82 86 80   79 81 86 80
Dewpt         75 77 78 77   76 78 79 78   76 77 79 78   75 78 79 77
PWind dir         E     E       E     E       E     E      NE     E
Wind char        LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    FW SC SC SC   SC SC SC SC   SC SC SC B2   B2 B2 B1 SC
PoP 12hr         20    40      20    30      10    50      50    50
Rain shwrs        S  C  C    S  S  C  C       S  C  C    C  C  C  S
Tstms                                            S  S    S  S

$$
PRZ008-252000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Mon Nov 25 2024

Date             Mon 11/25/24            Tue 11/26/24            Wed 11/27/24
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          73          87          74          86
Temp             79 84 85 79 77 75 74 73 80 86 87 81 78 76 75 74 80 85 86 80 77
Dewpt            74 75 75 74 72 74 74 73 72 73 74 73 73 74 74 73 73 74 74 74 74
RH               85 74 72 85 85 97100100 77 65 65 77 85 94 97 97 79 70 68 82 90
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE  E
Wind spd         14 16 16 16 16 16 14 13 11 11 10 18 11 12 11 10 10  9  8  9  9
Clouds           SC CL SC SC FW CL CL FW CL CL SC SC FW FW FW FW FW FW B2 B2 SC
PoP 12hr                     20           5          40           5          60
QPF 12hr                   0.04           0        0.15        0.01        1.07
Rain shwrs        S     S  S                    S  C              S  S  L  L  C
Tstms                                              S                    S  S
Heat index          92 93                83 93 95 85             84 92 93 84
Max heat               94    90          83    95    92          84    94    91


Date          Thu 11/28/24  Fri 11/29/24  Sat 11/30/24  Sun 12/01/24
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    90      73    90      73    89      73    89
Temp          74 81 89 78   74 81 89 78   74 81 89 78   74 79 89 78
Dewpt         74 73 74 74   74 73 74 73   74 73 74 73   74 73 75 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   SC SC SC B1   FW FW SC B1   SC SC B1 B1
PoP 12hr         30    60      20    60       5    50      30    40
Rain shwrs     C  C  L  L    S  S  L  L          C  C    C  C  C  C
Tstms                S  S          S  S          S  S

$$
PRZ010-252000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Mon Nov 25 2024

Date             Mon 11/25/24            Tue 11/26/24            Wed 11/27/24
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          90          72          89
Temp             80 87 88 81 77 75 73 72 80 88 89 81 77 75 73 72 80 87 88 81 77
Dewpt            76 78 78 76 74 73 72 72 74 76 76 76 74 74 72 72 75 77 77 77 75
RH               88 75 72 85 90 94 97100 82 68 66 85 90 97 97100 85 72 70 88 94
Wind dir          E  E  E  E  E  E  E NE  E  E NE  E  E  E  E  E  E  E  E  E  E
Wind spd          5  3  2  4  6  8  6  5  4  4  3  2  3  4  5  4  5  2  3  2  4
Clouds           FW CL SC B2 SC CL CL CL CL CL SC SC CL CL CL CL FW FW B2 B2 SC
PoP 12hr                     50          20          60           0          60
QPF 12hr                   0.56        0.01        0.25           0        1.17
Rain shwrs              C  C  S                 S  L                    L  L  S
Tstms                      S                       S                    S  S
Heat index       85101102 87             85100101 87             85 99101 87
Max heat         85   103    99          85   102    99          85   102    98


Date          Thu 11/28/24  Fri 11/29/24  Sat 11/30/24  Sun 12/01/24
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    89      72    88      72    88
Temp          73 80 88 77   73 80 88 77   73 80 88 77   73 78 88 77
Dewpt         72 74 78 75   73 76 78 75   73 75 78 76   73 75 78 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   SC SC SC B1   FW FW SC B2   B1 B1 B1 B1
PoP 12hr         10    60      20    60       0    70      40    60
Rain shwrs     S  S  L  L    S  S  L  L          L  L    C  C  L  L
Tstms                S  S          S  S          S  S          S  S

$$
VIZ001-252000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Mon Nov 25 2024

Date             Mon 11/25/24            Tue 11/26/24            Wed 11/27/24
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          78          88          78          87
Temp             83 87 88 83 81 80 79 78 83 87 88 83 81 80 79 78 82 86 87 83 81
Dewpt            77 76 76 76 76 76 75 75 75 75 75 75 75 76 76 75 76 76 75 76 76
RH               82 70 68 80 85 88 88 91 77 68 66 77 82 88 91 91 82 72 68 80 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         21 21 19 17 20 19 21 19 19 20 18 18 18 16 14 18 16 16 12 13 16
Clouds           SC SC SC SC FW CL SC B1 FW SC SC SC B1 B1 B1 B1 SC SC B1 B1 B1
PoP 12hr                     20          40          40          40          40
QPF 12hr                   0.04        0.13        0.17        0.19        0.33
Rain shwrs        S  S  S  S        S  C  S  S  S  C  C  C  C  C  C  C  C  C  C
Heat index       91 98 99 91 87 84       90 97 97 90 87 84       90 96 96 90 87
Max heat         91    99    97    87    90    98    96    86    90    97    95


Date          Thu 11/28/24  Fri 11/29/24  Sat 11/30/24  Sun 12/01/24
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    86      78    86      77    86      77    86
Temp          79 82 86 80   79 82 86 80   78 81 86 80   78 81 86 80
Dewpt         76 76 76 77   77 77 76 77   77 76 77 76   77 77 76 76
PWind dir         E     E       E    SE       E     E       E     E
Wind char        BZ    BZ      BZ    GN      GN    GN      GN    GN
Avg clouds    B1 SC SC SC   SC SC SC SC   B2 B2 B2 B2   B2 B2 B2 SC
PoP 12hr         40    10      30    50      60    60      60    60
Rain shwrs     C  C  S  S    S  C  C  C    C  L  L  L    L  L  L  C
Tstms                                            S  S    S  S  S  S

$$
VIZ002-252000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Mon Nov 25 2024

Date             Mon 11/25/24            Tue 11/26/24            Wed 11/27/24
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          88          77          88
Temp             83 88 89 83 81 79 78 77 82 87 88 83 80 79 78 77 82 87 88 83 80
Dewpt            77 77 77 76 76 75 75 75 76 76 76 76 75 75 75 74 76 76 76 76 76
RH               82 70 68 80 85 88 91 94 82 70 68 80 85 88 91 90 82 70 68 80 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         19 19 18 17 17 18 17 16 16 19 18 17 14 12 12 13 16 14 12 12 12
Clouds           SC SC FW SC CL CL SC CL SC B1 SC SC B1 B1 B1 B1 SC SC SC SC B1
PoP 12hr                     30          10          50          40          40
QPF 12hr                   0.04        0.05        0.26        0.19        0.21
Rain shwrs        C  S     S        S     S  C  S  C  C  C  C  C  C  C  S  S  C
Heat index       91100101 91 87          90 98 99 90 85          90 98 99 90 86
Max heat         91   102    99    86    90    99    97    84    90    99    97


Date          Thu 11/28/24  Fri 11/29/24  Sat 11/30/24  Sun 12/01/24
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      78    87      76    87      76    87
Temp          78 82 87 81   79 82 87 79   77 81 87 79   77 80 87 79
Dewpt         75 77 77 76   76 78 77 76   75 77 77 76   76 77 77 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B1 SC FW SC   SC SC SC SC   B2 B2 B2 B2   B2 B2 B1 SC
PoP 12hr         40    10      10    60      60    60      60    40
Rain shwrs     C  C  S  S    S  S  S  L    L  L  L  L    L  L  C  C
Tstms                                            S  S    S  S

$$