Point Forecast Matrices
Issued by NWS San Juan, PR

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Point Forecast Matrices
National Weather Service San Juan PR
503 PM AST Thu Nov 21 2024

PRZ001-220800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Thu Nov 21 2024

Date           11/21/24      Fri 11/22/24            Sat 11/23/24            Sun
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          90          78
Temp             79 78 77 76 82 88 89 83 81 79 78 77 83 89 90 84 82 80 79 78 83
Dewpt            73 73 72 72 73 74 75 75 75 75 74 74 75 76 76 76 76 75 75 76 76
RH               82 85 85 87 74 63 64 77 82 88 88 90 77 66 64 77 82 85 88 94 80
Wind dir         SE  S  S  S  S  E  E SE  S  S  S SE SE  E  E  E  E  E  E  E  E
Wind spd          4  4  3  3  2  3  8  8  5  4  2  3  3  6 10  9  8  6  6  8  9
Clouds           B2 B1 SC SC CL CL SC B2 B2 SC SC SC SC SC B1 B1 SC SC SC SC B1
PoP 12hr                     50          60          60          50          30
QPF 12hr                   0.10        0.30        0.27        0.41        0.09
Rain shwrs        C  C  S  S        C  C  L  C  C  C  S  S  C  C  S  S  S  S  C
Tstms                                                       S  S
Heat index                   87 97 99 90 87          90100102 93 89 85       91
Max heat         88          87    99    96    85    90   102    99    87    91


Date           11/24  Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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      77    87      78    89      78    90
Temp          88 80   78 82 87 80   78 82 87 81   79 83 89 81   79 84 90 82
Dewpt         77 76   76 76 76 76   75 75 75 75   74 75 75 75   74 75 75 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    B1 B2   B2 B2 B1 B1   B1 B1 B1 B1   B1 B2 B1 B1   B1 B1 B1 B2
PoP 12hr         50      50    40      60    60      50    40      60    60
Rain shwrs     C  C    C  C  C  C    C  L  L  C    C  C  C  C    L  L  L  L
Tstms             S    S  S          S  S                        S  S  S  S

$$
PRZ002-220800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Thu Nov 21 2024

Date           11/21/24      Fri 11/22/24            Sat 11/23/24            Sun
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          88          75          88          76
Temp             78 76 75 74 81 87 88 82 79 77 76 75 81 87 88 82 80 78 77 76 82
Dewpt            74 74 73 73 76 76 76 76 76 76 76 76 77 78 78 78 78 77 77 76 78
RH               88 94 94 97 85 70 68 82 91 97100103 88 75 72 88 94 97100100 88
Wind dir          E SE SE SE SE SE SE SE SE SE SE SE SE SE  E  E  E  E  E  E  E
Wind spd          4  3  2  2  3  5  6  5  5  5  3  3  5  6  8  6  8  8  9  9 10
Clouds           B2 SC SC CL CL SC SC SC OV B2 OV B2 SC SC B1 B1 SC SC SC SC B1
PoP 12hr                     60          70          70          40          40
QPF 12hr                   0.09        0.19        0.77        0.31        0.10
Rain shwrs        L  C  S        S  S  C  L  C  L  C  C  C  C  C  S  S  S  S  C
Tstms                                                       S  S
Heat index                   87 98 99 89             88100102 91 87          91
Max heat         86          87    99    96          88   102    98          91


Date           11/24  Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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      76    88      77    86      77    89      77    89
Temp          89 80   77 82 88 80   78 81 86 80   78 83 89 81   78 83 89 81
Dewpt         78 78   76 78 78 76   75 77 77 76   75 77 77 76   75 77 77 77
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    LT
Avg clouds    B1 B2   B2 B2 B1 B1   B1 B1 B1 B1   B2 B2 B1 B1   B1 B1 B1 B2
PoP 12hr         60      60    40      60    60      60    60      60    60
Rain shwrs     C  L    L  L  C  C    C  L  L  L    L  L  L  L    L  L  L  L
Tstms             S    S  S          S  S                S  S    S  S  S  C

$$
PRZ007-220800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Thu Nov 21 2024

Date           11/21/24      Fri 11/22/24            Sat 11/23/24            Sun
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                      77          91          78          91          79
Temp             82 79 78 77 84 90 91 85 82 80 79 78 84 90 91 85 83 81 80 79 85
Dewpt            75 74 72 72 76 78 78 78 78 77 77 76 78 80 80 79 78 77 76 76 78
RH               79 85 82 85 77 68 66 80 88 91 94 94 82 73 70 82 85 88 88 91 80
Wind dir         NE NE NE NE NE SE SE SE NE NE NE NE NE  E SE  E  E NE NE NE NE
Wind spd          4  3  4  4  4  6  8  5  5  4  4  4  3  9  9  5  2  3  4  5  4
Clouds           SC SC CL SC SC B1 B2 B2 SC B1 B2 B1 SC SC B1 B1 SC SC SC SC SC
PoP 12hr                     20          60          50          50          20
QPF 12hr                   0.04        0.23        0.26        0.47        0.05
Rain shwrs        S  S     S  S  C  L  C  C  C  C  C  C  C  C  C  S  S  S  S
Tstms                                                       S  S
Heat index       89          93105106 97 91 87       95108109 98 93 88 86    97
Max heat         94    87    93   108   105    89    95   109   106    91    97


Date           11/24  Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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          92      76    91      78    91      79    92      79    87
Temp          92 81   77 83 91 82   79 84 91 83   80 85 92 83   80 83 87 81
Dewpt         80 78   76 78 79 76   75 77 78 77   75 77 78 77   76 78 79 78
PWind dir         E      NE     E      NE     E      NE     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    LT
Avg clouds    B1 B2   B2 B1 B1 B1   SC SC SC B1   B1 B1 B1 B1   B1 B1 B2 B2
PoP 12hr         40      10    30      10    20      10    30      40    50
Rain shwrs     C  C    S  S  C  C    S  S  S  S    S  S  C  C    S  C  C  C
Tstms          S  S                                                 S  S  S

$$
PRZ008-220800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Thu Nov 21 2024

Date           11/21/24      Fri 11/22/24            Sat 11/23/24            Sun
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          85          74          85          75
Temp             77 76 75 74 79 84 85 80 77 76 75 74 79 84 85 80 78 77 76 75 80
Dewpt            71 73 72 71 71 71 73 72 72 74 74 74 72 74 75 74 73 75 75 75 74
RH               82 90 90 90 77 65 67 77 85 94 97100 79 72 72 82 85 94 97100 82
Wind dir          E SE SE SE SE NE  N  E  E  E SE  E  E  E NE NE NE  E  E  E  E
Wind spd          9  8  5  4  3  2  4  4  6  5  3  3  4  6  6  6  9 12 12 13 14
Clouds           CL SC CL CL CL CL SC B2 SC SC CL CL FW FW B2 B2 OV OV OV OV B1
PoP 12hr                     10          60          30          70          70
QPF 12hr                   0.01        0.29        0.03        0.77        0.17
Rain shwrs           S              C  L  C  S              L  L  L  L  L  L  S
Tstms                                                       S  S  S  S  S  S
Heat index                      89 92 84                91 94 84             84
Max heat         83                92    88                94    92          84


Date           11/24  Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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    84      74    84      74    87      74    91
Temp          86 77   74 78 84 77   75 79 84 77   75 80 87 78   75 82 90 79
Dewpt         75 74   76 74 76 74   75 73 75 73   74 73 74 73   74 73 75 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    GN      BZ    GN      GN    GN      LT    LT
Avg clouds    B1 B2   B1 B1 B1 B2   B1 SC SC B1   B1 B1 B1 B1   B1 B1 B1 B2
PoP 12hr         50      10    40      30    40      10    20      10    50
Rain shwrs     C  C    S  S  C  C    C     C  C    S  S  S  S    S  S  C  C
Tstms          S  S          S  S                                      S  S

$$
PRZ010-220800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Thu Nov 21 2024

Date           11/21/24      Fri 11/22/24            Sat 11/23/24            Sun
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                      72          89          72          90          74
Temp             77 75 73 72 80 87 88 81 77 75 73 72 80 88 90 82 79 77 75 74 82
Dewpt            73 72 71 70 73 76 77 76 75 75 74 73 75 79 78 77 75 75 74 74 77
RH               87 90 93 93 79 70 70 85 94100103103 85 75 68 85 88 94 97100 85
Wind dir         NE  E  E  E  E  S SW SE NE  E  E  E  E  E NE NE NE NE NE NE  E
Wind spd          4  4  4  5  3  2  3  2  5  4  3  3  3  2  4  5  8  9  9  9 10
Clouds           SC CL CL CL CL CL SC B2 SC SC SC SC FW FW B2 B2 OV OV OV OV B1
PoP 12hr                     10          50          30          70          70
QPF 12hr                   0.01        0.20        0.06        0.55        0.17
Rain shwrs        S                 C  C  C  S  S  S  S  S  C  C  L  L  L  L
Tstms                                                       S  S  S  S  S  S
Heat index                   84 98100 87             85103105 90             90
Max heat         86          84   102    97          85   106   102          90


Date           11/24  Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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      72    89      73    89      73    90      73    90
Temp          90 78   73 80 89 78   74 81 89 78   74 81 89 78   74 81 89 78
Dewpt         79 76   74 76 78 76   73 75 77 75   73 74 77 75   73 75 77 75
PWind dir        NE       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B1 B2   B1 B1 B1 B1   SC SC SC B1   B1 B1 B1 B1   B1 B1 B1 B2
PoP 12hr         60      10    50      20    60      10    60      20    60
Rain shwrs     L  L    S  S  C  C    S     L  L    S  S  L  L    S  S  L  L
Tstms          S  S          S  S          S  S          S  S          S  S

$$
VIZ001-220800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Thu Nov 21 2024

Date           11/21/24      Fri 11/22/24            Sat 11/23/24            Sun
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                      77          86          78          87          79
Temp             80 79 78 77 81 85 86 82 80 79 79 78 82 86 87 83 81 80 80 79 84
Dewpt            74 74 74 74 75 75 76 75 76 76 77 77 77 77 77 77 77 78 77 77 78
RH               82 85 88 90 82 72 72 79 88 91 94 97 85 75 72 82 88 94 91 94 82
Wind dir          E  E SE  E SE SE SE SE SE SE SE  E  E  E SE  E  E  E  E  E  E
Wind spd          6  8  5  6  6  6  6  9  8  8  8  8  9  9  8  9 11 12 14 16 17
Clouds           CL SC CL CL CL SC B1 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1
PoP 12hr                     10          50          50          40          20
QPF 12hr                   0.01        0.12        0.26        0.24        0.07
Rain shwrs           S           S  C  C  C  C  C  C  C  C  C  C  S  S  S  S  S
Tstms                                                 S  S
Heat index       84          87 94 96 89 86          90 97 99 92 88 87 87    95
Max heat         88    84    87    96    94    86    90    99    97    89    95


Date           11/24  Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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      78    89      79    87      78    87      78    86
Temp          89 81   79 83 89 82   80 83 87 81   79 82 87 81   79 82 86 80
Dewpt         78 78   77 78 77 76   76 76 76 76   76 76 76 76   76 77 77 77
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    B1 B1   B2 B1 SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 SC B2
PoP 12hr         50      50    20      50    50      40    40      50    60
Rain shwrs     S  C    C  S  S  S    C  C  C  C    C  C  C  C    C  C  L  L
Tstms             S    S                                 S  S    S  S  S  S

$$
VIZ002-220800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Thu Nov 21 2024

Date           11/21/24      Fri 11/22/24            Sat 11/23/24            Sun
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          88          77          89          76
Temp             79 77 76 75 81 87 88 83 80 79 78 77 83 88 89 83 80 78 77 76 82
Dewpt            74 74 74 74 76 76 77 77 76 76 77 76 77 78 78 78 77 77 77 77 78
RH               85 90 94 97 85 70 70 82 88 91 97 97 82 72 70 85 91 97100103 88
Wind dir          E  E  E  E  E SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          6  6  5  5  6  8  8  6  6  6  8  6  8  9  8  9 10 11 12 14 14
Clouds           CL CL CL CL SC SC B2 B2 B2 B2 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1
PoP 12hr                     10          50          60          40          40
QPF 12hr                   0.01        0.19        0.44        0.17        0.15
Rain shwrs                    S  S  C  C  C  C  L  C  C  C  S  S  C  C  C  C  C
Tstms                                                 S  S        S  S  S  S
Heat index                   87 98100 92 86          92102103 93 87          91
Max heat         88          87   100    97    86    92   103   100          91


Date           11/24  Mon 11/25/24  Tue 11/26/24  Wed 11/27/24  Thu 11/28/24
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      77    90      78    88      77    88      77    87
Temp          89 81   78 83 90 82   79 83 88 80   78 82 88 80   78 82 87 80
Dewpt         79 77   77 78 78 76   76 76 77 76   75 77 77 76   76 77 77 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      BZ    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    B1 B2   B2 B1 SC SC   SC B1 SC B1   B1 B1 B1 B1   SC SC SC B2
PoP 12hr         60      60    20      50    50      50    40      50    60
Rain shwrs     C  L    L  C  S  S    C  C  C  C    C  C  C  C    C  C  C  L
Tstms             S    S  S                              S  S    S  S  S  S

$$