Point Forecast Matrices
Issued by NWS San Juan, PR

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2
301
FOCA52 TJSJ 232103
PFMSJU

Point Forecast Matrices
National Weather Service San Juan PR
503 PM AST Sat Nov 23 2024

PRZ001-240800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Sat Nov 23 2024

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

Min/Max                      78          88          77          86          76
Temp             81 80 79 78 83 87 88 83 80 79 78 77 81 85 86 81 79 78 77 76 82
Dewpt            76 76 75 75 76 76 76 76 76 76 76 75 76 76 76 76 75 76 74 74 75
RH               85 88 88 91 80 70 68 80 88 91 94 94 85 75 72 85 88 94 90 94 79
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  4  4  6 10 13 13  8  9 12 11 11 11 16 13 12 11 11 12 11 11
Clouds           SC SC B1 B1 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     50          60          70          70          70
QPF 12hr                   0.23        0.51        0.22        0.31        0.28
Rain shwrs        C  S  C  C  C  L  C  C  S  S  C  C  L  L  C  C  C  C  L  L  C
Tstms                            S  S  S        S  S
Heat index       87 86       91 98 99 91 86          87 94 96 87             89
Max heat         93    87    91    99    96    86    87    96    94          89


Date           11/26  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24  Sat 11/30/24
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      77    89      78    90      77    89      77    88
Temp          88 80   78 83 89 81   79 84 90 81   78 83 89 81   78 82 88 80
Dewpt         75 75   74 75 75 75   74 75 76 76   75 75 76 76   74 75 76 76
PWind dir         E       E     E       E     E      SE     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    LT
Avg clouds    B1 B1   B2 B2 B1 B1   SC SC SC SC   SC SC B2 B2   B2 B1 B1 SC
PoP 12hr         50      50    50      30    30      60    60      50    40
Rain shwrs     C  C    C  C  C  C    C  C  C  C    S  L  L  L    C  C  C  C
Tstms                                                    S  S

$$
PRZ002-240800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Sat Nov 23 2024

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

Min/Max                      76          89          76          87          76
Temp             79 78 77 76 82 88 89 83 80 78 77 76 81 86 87 82 79 78 77 76 81
Dewpt            77 77 77 76 78 78 78 77 77 77 76 76 78 77 77 77 76 76 75 75 76
RH               94 97100100 88 72 70 82 91 97 97100 91 75 72 85 91 94 94 97 85
Wind dir          E  E NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          5  5  4  9 12 13 14 10 11 14 14 13 14 14 16 13 13 17 14 13 14
Clouds           B1 B1 B2 B2 B2 B2 B2 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     60          70          80          80          70
QPF 12hr                   0.30        0.49        0.23        0.46        0.35
Rain shwrs        C  C  C  L  C  L  C  C  C  C  C  C  D  D  C  C  C  C  L  L  L
Tstms                            S        S     S  S
Heat index                   91102103 92 87          89 97 99 90             87
Max heat         90          91   103   100          89    99    96          87


Date           11/26  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24  Sat 11/30/24
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      76    89      77    89      76    88      76    88
Temp          87 79   77 82 89 81   78 83 89 80   77 82 88 80   77 82 88 79
Dewpt         77 76   75 76 77 76   75 77 77 77   76 77 77 77   75 77 77 77
PWind dir         E       E     E       E    SE       E     E       E     E
Wind char        GN      GN    GN      LT    GN      GN    GN      LT    LT
Avg clouds    B2 OV   OV B2 B2 B1   SC B1 B2 SC   SC B1 B2 B2   B2 B2 B2 B1
PoP 12hr         70      70    60      60    60      60    60      60    60
Rain shwrs     L  L    L  L  L  L    C  L  L  C    C  L  L  L    L  L  L  C
Tstms          S  S    S  S  S  S       S  S             S  S

$$
PRZ007-240800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Sat Nov 23 2024

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

Min/Max                      79          92          76          89          77
Temp             82 81 80 79 85 91 92 84 81 79 77 76 82 88 89 83 81 79 78 77 84
Dewpt            79 77 77 75 78 79 79 79 77 76 76 76 78 79 78 77 77 76 75 75 77
RH               91 88 91 88 80 68 66 85 88 91 97100 88 75 70 82 88 91 91 94 80
Wind dir         NE NE NE NE  E  E  E  E NE NE NE NE  E  E  E  E NE NE  E  E  E
Wind spd          3  3  4  5  5 16 16  9  6  5  5  6  6 14 14 11  8  5  8  6  6
Wind gust                       26 27                   26
Clouds           SC SC SC SC B1 B1 B1 SC FW FW B1 B1 SC SC SC SC SC SC B1 B1 CL
PoP 12hr                     20          30          40          30          10
QPF 12hr                   0.07        0.25        0.09        0.16           0
Rain shwrs        S  S  S  S  S  C  C  C        C  C        C  C  S  S  S  S
Tstms                                           S  S
Heat index       92 88 87    97108109 96 88          91103103 92 88          94
Max heat         97    91    97   109   106    87    91   105   100    87    94


Date           11/26  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24  Sat 11/30/24
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          91      78    92      79    87      78    86      78    86
Temp          91 82   79 85 92 83   80 83 87 81   79 82 86 80   79 82 86 80
Dewpt         78 77   75 77 78 77   75 78 79 78   76 78 79 78   75 78 79 78
PWind dir         E       E     E       E     E      NE     E      NE     E
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   SC SC SC SC   SC SC B1 SC   SC B1 B2 B1   SC SC SC SC
PoP 12hr         30      30    30      40    40      60    60      10    20
Rain shwrs     S  C    C  C  C  C    C  C  C  S    S  L  L  C    S  S  S  S

$$
PRZ008-240800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Sat Nov 23 2024

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

Min/Max                      75          86          73          83          73
Temp             78 76 76 75 80 85 86 80 77 75 74 73 78 82 83 78 76 75 74 73 79
Dewpt            74 75 76 75 74 75 76 75 75 75 74 73 74 75 75 74 74 75 74 73 73
RH               88 97100100 82 72 72 85 94100100100 88 79 77 88 94100100100 82
Wind dir         NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          8 12 13 13 16 18 18 14 12 16 18 17 14 18 18 20 18 16 12 12  8
Clouds           B1 SC SC SC B1 B1 B2 B1 FW FW B2 B2 SC SC B1 B1 B1 B1 B1 B1 CL
PoP 12hr                     40          60          40          40          40
QPF 12hr                   0.11        0.47        0.15        0.32        0.06
Rain shwrs        C  C  S  S  C  S  L  L  S  S  C  C        C  C  C  C  S  S
Tstms                               S  S        S  S
Heat index                   84 94 96 85                89 90
Max heat         84          84    96    93                90    89


Date           11/26  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24  Sat 11/30/24
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      73    87      74    91      73    90      73    89
Temp          86 77   74 80 87 78   75 82 90 78   74 81 89 78   74 81 89 78
Dewpt         74 73   74 72 74 73   74 73 74 74   74 73 74 74   74 73 74 74
PWind dir         E       E     E       E     E       E    NE       E    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   SC FW FW SC   FW FW SC B1   SC SC B1 SC   SC SC SC SC
PoP 12hr         40      10    20      10    50      30    40      10    20
Rain shwrs     C  C    S  S  S  S    S     C  C    S  C  C  C    S  S  S  S

$$
PRZ010-240800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Sat Nov 23 2024

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

Min/Max                      74          91          72          87          72
Temp             79 76 75 74 82 89 90 82 78 75 73 72 79 86 87 80 77 74 73 72 80
Dewpt            76 75 74 74 76 79 79 77 75 75 73 72 76 79 78 76 75 74 73 72 75
RH               91 97 97100 82 73 70 85 91100100100 91 80 75 88 94100100100 85
Wind dir         NE NE NE NE  E  E  E NE NE NE NE  E  E  E  E  E  E  E  E  E  E
Wind spd          6  9  9  9 11  8  4  1  3  8  9  8  5  4  3  6  8  6  5  4  5
Clouds           B1 SC SC SC SC SC B2 B1 FW FW B1 B1 SC SC B2 B2 B1 B1 SC SC CL
PoP 12hr                     40          70          40          60          20
QPF 12hr                   0.06        0.96        0.08        0.75        0.01
Rain shwrs        C  S     S  C  S  L  L        C  C  S  S  L  L  S  S
Tstms                               S  S        S  S        S  S
Heat index                   89105106 90               100100 86             85
Max heat         90          89   108   102               101    96          85


Date           11/26  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24  Sat 11/30/24
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          89      72    90      73    90      72    89      72    88
Temp          88 77   73 80 89 78   74 81 89 77   73 80 88 77   73 80 88 77
Dewpt         77 75   73 75 77 75   74 75 78 76   73 75 78 76   73 75 78 76
PWind dir         E       E     E       E     E       E    SE       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1   CL CL SC B1   SC SC SC B2   SC B1 B1 B1   FW FW SC B1
PoP 12hr         70       0    60      10    60      40    60       5    70
Rain shwrs     L  L          L  L    S  S  L  L    C  C  L  L          L  L
Tstms          S  S          S  S          S  S          S  S          S  S

$$
VIZ001-240800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Sat Nov 23 2024

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

Min/Max                      79          89          78          87          78
Temp             81 80 79 79 84 88 89 84 81 80 79 78 82 86 87 83 81 79 79 78 83
Dewpt            77 77 77 77 78 77 77 77 77 78 77 77 77 77 77 76 77 76 76 75 76
RH               88 91 94 94 82 70 68 80 88 94 94 97 85 75 72 80 88 91 91 91 80
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 11 12 14 18 18 16 13 21 23 23 21 19 21 19 20 20 23 20 20 21
Clouds           SC SC B2 B1 B2 B1 B2 SC SC SC B1 B1 SC SC SC SC B1 B1 B1 B1 SC
PoP 12hr                     60          60          50          50          40
QPF 12hr                   0.22        0.37        0.18        0.16        0.11
Rain shwrs        S  C  C  L  C  L  S  S  C  C  C  C  C  C  S  S  C  C  C  C  S
Tstms                            S              S  S
Heat index       88 87       95100102 94 88 87       90 97 99 91 88          91
Max heat         92    88    95   102    99    88    90    99    97    87    91


Date           11/26  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24  Sat 11/30/24
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      77    87      78    86      77    86      77    86
Temp          88 80   78 82 87 81   79 82 86 80   78 81 86 80   78 81 86 80
Dewpt         75 76   76 76 76 76   76 76 76 76   76 77 76 77   76 76 76 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1   SC SC B1 B1   SC SC SC SC   SC B1 B2 B1   B1 B1 B1 B1
PoP 12hr         50      30    40      20    30      60    60      40    50
Rain shwrs     C  C    C  C  C  C    S  S  C  C    S  L  L  C    C  C  C  C

$$
VIZ002-240800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Sat Nov 23 2024

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

Min/Max                      76          89          77          88          77
Temp             80 78 77 76 82 88 89 83 81 79 78 77 82 87 88 83 80 79 78 77 82
Dewpt            77 77 77 76 78 78 78 77 77 77 76 77 78 77 77 77 76 76 76 75 76
RH               91 97100100 88 72 70 82 88 94 94100 88 72 70 82 88 91 94 94 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         11 10 11 13 17 16 12 14 17 19 20 19 17 20 18 18 18 19 18 18 18
Clouds           FW FW SC B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     60          70          50          50          40
QPF 12hr                   0.23        0.57        0.21        0.11        0.09
Rain shwrs        S  S  C  C  L  L  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C
Tstms                         S  S  S  S  S     S  S
Heat index       87          91102103 92 88          91 99100 92 86          89
Max heat         90          91   103   100    87    91   100    97    86    89


Date           11/26  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24  Sat 11/30/24
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      76    88      77    87      76    87      76    87
Temp          88 80   77 82 88 80   78 82 87 79   77 81 87 79   77 81 87 79
Dewpt         77 76   75 77 77 76   76 77 78 76   76 77 77 77   76 77 78 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B2   B2 B1 SC SC   SC SC SC SC   SC B1 B2 B2   B1 B1 SC SC
PoP 12hr         70      60    40      20    30      50    60      40    30
Rain shwrs     L  L    L  L  C  C    S  S  S  C    C  C  L  L    C  C  S  C
Tstms          S  S    S  S                              S  S

$$