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 Tue May 7 2024

PRZ001-080800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Tue May 7 2024

Date           05/07/24      Wed 05/08/24            Thu 05/09/24            Fri
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          87          77          89          77
Temp             80 79 77 78 83 86 87 84 80 79 77 78 84 88 89 86 81 79 77 78 84
Dewpt            75 74 74 73 74 75 75 75 74 74 74 74 75 76 76 76 75 75 74 74 75
RH               85 85 90 85 74 70 68 74 82 85 90 88 74 68 66 72 82 88 90 88 74
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  9  5  5  3  4  8  8  5  6  5  5  3  6  8  5  4  5  4  5  5
Clouds           B2 B2 OV B2 OV OV OV B2 OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 SC
PoP 12hr                     70          80          80          60          40
QPF 12hr                   1.44        2.84        1.01        0.33        0.10
Rain shwrs        L  L  L  L  L  L  D  L  D  L  L  L  L  L  C  C  C  C  C  C  C
Tstms             S  S  S  S  S  S  C  S  C  S  S  S
Heat index       85          89 95 97 92 85          92 98100 95 87          92
Max heat         93    84    89    97    96    84    92   100   100    85    92


Date           05/10  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24
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      76    88
Temp          89 81   77 85 90 82   78 84 88 81   77 83 88 80   76 83 88 80
Dewpt         76 75   75 76 77 76   75 76 77 76   75 76 76 76   75 74 75 75
PWind dir         E      SE    SE      SE     E       E     E       E     E
Wind char        LT      LT    LT      LT    GN      LT    GN      GN    GN
Avg clouds    SC SC   B2 B2 B2 B2   B2 B2 B1 B1   B2 B2 B1 SC   SC SC SC FW
PoP 12hr         50      50    50      50    50      50    50      30    20
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  S  S
Tstms                        S  S

$$
PRZ002-080800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Tue May 7 2024

Date           05/07/24      Wed 05/08/24            Thu 05/09/24            Fri
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          86          78          89          78
Temp             81 79 78 79 83 85 86 84 81 79 78 79 84 88 89 86 82 80 78 79 85
Dewpt            75 75 75 74 76 76 76 76 75 75 75 74 76 76 76 76 76 76 75 74 76
RH               82 88 91 85 80 75 72 77 82 88 91 85 77 68 66 72 82 88 91 85 75
Wind dir         NE  E  E  E  E  E NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          6  6  4  4  5  3  3  5  5  6  4  5  4  8  6  5  4  5  6  6  8
Clouds           OV B2 OV OV OV OV OV B2 OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 SC
PoP 12hr                     70          80          80          60          40
QPF 12hr                   1.75        2.59        1.01        0.33        0.10
Rain shwrs        L  L  L  L  L  L  L  L  D  L  L  L  L  L  C  C  C  C  C  C  C
Tstms             S  S  S  S  S  S  S  S  C  S  S  S
Heat index       87 84       90 94 96 92 86 83    83 94 98101 96 89 85    84 95
Max heat         93    86    90    96    96    85    94   101   100    87    95


Date           05/10  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24
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          90      77    89      78    87      78    87      79    87
Temp          90 81   77 84 89 82   78 83 87 81   78 83 87 82   79 84 87 82
Dewpt         77 76   76 77 77 77   76 77 77 77   76 76 77 76   76 75 76 76
PWind dir         E       E    SE      SE     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    SC B1   B2 B2 B2 B2   B2 B2 B1 B1   B2 B2 B2 B1   SC SC SC SC
PoP 12hr         50      50    60      50    50      50    50      30    20
Rain shwrs     C  C    C  C  L  L    C  C  C  C    C  C  C  C    C  C  S  S
Tstms                        S  S                        S  S

$$
PRZ007-080800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Tue May 7 2024

Date           05/07/24      Wed 05/08/24            Thu 05/09/24            Fri
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          75          89          75
Temp             80 77 75 77 83 87 88 84 79 77 75 77 83 87 89 85 80 77 75 77 83
Dewpt            72 71 70 70 71 72 71 72 72 71 70 70 72 73 73 73 73 72 71 70 72
RH               77 82 84 79 67 61 57 67 79 82 84 79 70 63 59 67 79 85 87 79 70
Wind dir          E NE NE NE  E SE  E  E NE NE NE NE  E SE SE  E  E  E  E  E  E
Wind spd          3  3  3  3  4  4  5  5  4  2  3  3  4  8  9  6  3  3  3  3  5
Clouds           SC SC B2 SC SC B1 B2 B2 SC B1 SC SC CL CL SC SC CL CL CL CL CL
PoP 12hr                     60          50          40          10           0
QPF 12hr                   0.34        0.82        0.19        0.06           0
Rain shwrs        C  S  L  S  S  C  C  C  C  C  S  S        S  S
Tstms                   S           S  S
Heat index       84          87 93 94 90 83          89 95 97 92 84          89
Max heat         93    82    87    94    94          89    97    96          89


Date           05/10  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24
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      74    88      75    87      74    88      73    88
Temp          89 79   74 82 88 79   75 82 87 78   74 82 88 78   73 82 88 78
Dewpt         73 72   72 73 73 73   72 72 73 72   71 70 72 71   70 70 72 71
PWind dir        SE       E    SE       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW SC   SC SC SC SC   SC SC FW FW   CL CL FW SC   CL CL FW FW
PoP 12hr         10      30    30      30     5       0    20       0    10
Rain shwrs     S  S    S  C  C  C    C  C                S  S          S  S

$$
PRZ008-080800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Tue May 7 2024

Date           05/07/24      Wed 05/08/24            Thu 05/09/24            Fri
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          85          76          83          76
Temp             78 77 75 76 81 84 85 82 79 77 76 77 80 82 83 81 78 77 76 77 81
Dewpt            73 74 74 73 73 73 74 74 73 74 74 74 73 74 74 74 74 74 75 74 73
RH               85 90 97 90 77 70 70 77 82 90 94 90 79 77 74 79 88 90 97 90 77
Wind dir          E  E  E  E  E  E NE  E  E  E  E  E  E  E NE NE  E  E  E  E  E
Wind spd         14 12  9  3  2  3  8  9 11 11 10  6  3  3  6  5  5  6  4  4  3
Clouds           B1 B2 B1 B2 SC SC B2 B2 OV SC SC SC FW FW B2 B2 SC SC SC SC FW
PoP 12hr                     60          80          80          60          20
QPF 12hr                   0.72        1.31        0.37        0.39        0.04
Rain shwrs        C  L  C  C  C  S  C  C  D  S  S  S        L  L  S  S  S  S  S
Tstms                S     S        S  S  C                 S  S
Heat index                   85 90 92 88 83          84 88 90 86             85
Max heat         88          85    92    92          84    90    89          85


Date           05/10  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24
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          84      76    84      76    84      76    85      74    85
Temp          84 79   76 81 84 79   76 81 84 79   76 81 85 78   74 80 85 78
Dewpt         75 74   75 73 75 75   76 74 75 75   76 73 75 75   74 73 74 75
PWind dir        NE       E    NE       E     E       E    NE       E     E
Wind char        LT      LT    LT      LT    LT      GN    GN      GN    BZ
Avg clouds    SC B1   FW FW SC B1   SC SC SC B1   SC FW SC B1   SC FW FW SC
PoP 12hr         70       5    70       5    60       5    50      10    20
Rain shwrs     L  L          L  L    S  S  L  L    S  S  C  C    S  S  S  S
Tstms          S  S          S  S          S  S          S  S

$$
PRZ010-080800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Tue May 7 2024

Date           05/07/24      Wed 05/08/24            Thu 05/09/24            Fri
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          87          76
Temp             79 76 74 76 82 86 88 84 79 77 75 76 82 86 87 84 80 78 76 77 83
Dewpt            75 75 74 73 76 78 78 78 76 75 74 74 76 78 79 78 76 76 75 74 76
RH               88 97100 90 82 77 72 82 91 94 97 94 82 77 77 82 88 94 97 90 80
Wind dir          E NE  E NE  E  E  E NE NE NE  E  E  E SW NE NE  E  E  E  E  E
Wind spd          5  5  3  4  3  1  5  6  9  6  4  3  3  2  3  2  4  4  3  3  3
Clouds           OV B2 B1 SC SC SC OV OV B2 SC B1 B1 CL CL OV OV CL CL CL CL CL
PoP 12hr                     70          90          50          70           0
QPF 12hr                   0.68        4.30        0.22        0.45           0
Rain shwrs        L  L  C  S  S  C  D  D  C  S  C  C        L  L
Tstms             S  S              C  C  S                 S  S
Heat index       83          90 99102 96 84          89 98101 95 85          91
Max heat         95          90   102   101          89   101   100          91


Date           05/10  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24
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      75    88      76    88      74    89      73    89
Temp          88 79   75 83 88 80   76 83 88 79   74 83 89 78   73 82 89 78
Dewpt         79 77   75 77 80 77   75 77 80 77   74 76 79 77   73 76 79 77
PWind dir        SE       E    SE       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1   CL CL SC SC   CL CL SC B1   CL CL SC B1   CL CL SC SC
PoP 12hr         70       0    50       0    60       0    60       0    50
Rain shwrs     L  L          C  C          L  L          L  L          C  C
Tstms          S  S          S  S          S  S          S  S          S  S

$$
VIZ001-080800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Tue May 7 2024

Date           05/07/24      Wed 05/08/24            Thu 05/09/24            Fri
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          87          80          87          79
Temp             82 80 79 80 84 86 87 85 82 81 80 81 84 86 87 85 82 80 79 80 84
Dewpt            75 76 76 76 76 76 76 76 76 76 76 76 76 76 77 76 76 76 76 76 77
RH               79 88 91 88 77 72 70 75 82 85 88 85 77 72 72 75 82 88 91 88 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         13 12 10  8  6  4  8  8 11 11 11 12 10  9  8  9 10 11 11 11 11
Clouds           OV B2 B2 B2 B2 OV OV B2 OV B2 B2 B2 B2 B2 SC SC B1 B1 B1 B1 CL
PoP 12hr                     70          60          60          60          40
QPF 12hr                   1.07        1.74        0.54        0.26        0.08
Rain shwrs        L  L  C  L  L  L  L  L  L  C  C  C  L  L  C  C  C  C  C  C
Tstms             S  S  S  S  S  S  S  S  S  S  S  S
Heat index       88 86 83 85 92 96 98 95 90 87 86 87 93 96 98 94 89 86 83 85 93
Max heat         94    87    92    98    97    89    93    98    98    88    93


Date           05/10  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24
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      79    87      79    85      79    85      79    85
Temp          87 82   79 84 87 82   79 83 85 81   79 83 85 81   79 83 85 81
Dewpt         77 77   77 77 77 77   77 77 77 77   77 77 77 77   76 77 76 77
PWind dir         E       E    SE       E     E       E     E       E     E
Wind char        GN      GN    LT      GN    GN      GN    BZ      BZ    BZ
Avg clouds    FW SC   B2 B1 SC SC   SC SC B1 SC   B1 B1 SC SC   SC SC SC FW
PoP 12hr         50      50    30      50    50      40    20      20    20
Rain shwrs     S  C    C  C  C  C    S  C  C  C    C  C  S  S    S  S  S  S

$$
VIZ002-080800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Tue May 7 2024

Date           05/07/24      Wed 05/08/24            Thu 05/09/24            Fri
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          89          79          89          77
Temp             81 80 78 79 84 88 89 86 82 81 79 80 85 88 89 86 81 79 77 78 84
Dewpt            74 75 75 75 75 75 76 75 75 75 75 75 75 75 75 75 75 75 75 75 75
RH               79 85 91 88 74 66 66 70 79 82 88 85 72 66 64 70 82 88 94 91 74
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         10  9  8  8  9  5  4  2  5  8  9 10 10 10  9  6  8  9  8  9 11
Clouds           OV B2 B2 OV B2 B2 OV OV B2 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 CL
PoP 12hr                     70          70          50          40          40
QPF 12hr                   1.37        1.75        0.38        0.25        0.08
Rain shwrs        L  L  L  L  L  C  L  L  C  C  C  C  C  C  C  C  C  C  C  C
Tstms             S  S  S  S  S  S  S  S  S
Heat index       87 84    83 93 98100 96 89 86 83 85 93 97 99 94 87          92
Max heat         94    86    93   100    99    88    93    99    99    85    92


Date           05/10  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24
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    89      77    88      77    88      77    88
Temp          89 81   77 84 89 81   77 83 88 81   77 83 88 81   77 83 88 81
Dewpt         76 75   75 76 76 76   75 76 76 76   75 75 75 75   75 75 75 76
PWind dir         E       E    SE       E     E       E     E       E     E
Wind char        GN      LT    LT      GN    GN      GN    GN      BZ    BZ
Avg clouds    FW SC   SC B1 B1 SC   SC B1 B1 SC   SC B1 B1 SC   SC FW FW FW
PoP 12hr         30      40    40      40    40      40    40      10     5
Rain shwrs     S  C    C  C  C  C    C  C  C  C    C  C  C  S    S  S  S  S

$$