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 Wed May 8 2024

PRZ001-090800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Wed May 8 2024

Date           05/08/24      Thu 05/09/24            Fri 05/10/24            Sat
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          88          77          89          78
Temp             80 78 77 78 83 87 88 85 81 79 77 78 84 88 89 86 82 80 78 80 86
Dewpt            74 74 74 74 75 75 76 75 75 75 74 74 75 76 76 76 75 75 75 74 76
RH               82 88 90 88 77 68 68 72 82 88 90 88 74 68 66 72 79 85 91 82 72
Wind dir          E  E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E SE SE SE SE
Wind spd          5  4  4  4  4  8  9  6  6  5  5  5  4  8 10  6  5  5  5  3  3
Clouds           OV OV OV B2 SC SC SC B2 B2 B2 SC SC SC SC SC SC B1 B1 B1 B1 B2
PoP 12hr                     80          60          60          40          50
QPF 12hr                   0.73        0.48        0.31        0.22        0.10
Rain shwrs        D  L  L  L  C  C  C  C  L  L  C  C  S  S  C  C  C  C  C  C  C
Tstms             C  S  S  S
Heat index       85          91 96 99 94 86          92 98100 96 88 84    84 95
Max heat         91    83    91    99    98    85    92   100   100    87    95


Date           05/11  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24
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    88      78    88      77    89      78    89
Temp          91 82   78 84 88 81   78 84 88 81   77 84 89 82   78 84 89 82
Dewpt         77 76   75 76 77 76   76 76 76 76   75 76 76 76   75 75 76 76
PWind dir        SE      SE    SE      SE     E       E     E       E     E
Wind char        LT      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B2 B2   B2 B2 B1 B1   B1 SC SC SC   SC SC B1 B1
PoP 12hr         70      60    60      50    50      40    20      50    50
Rain shwrs     L  L    L  L  L  C    C  C  C  C    C  C  S  S    S  C  C  C
Tstms          S  S          S  S

$$
PRZ002-090800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Wed May 8 2024

Date           05/08/24      Thu 05/09/24            Fri 05/10/24            Sat
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          89          78          90          77
Temp             80 79 77 78 84 88 89 86 82 80 78 79 85 89 90 86 81 79 77 79 85
Dewpt            75 75 75 74 76 76 77 75 75 75 75 74 76 76 77 76 76 76 76 75 76
RH               85 88 94 88 77 68 68 70 79 85 91 85 75 66 66 72 85 91 97 88 75
Wind dir          E  E  E NE  E  E  E  E  E  E  E  E  E SE SE SE  E  E SE SE SE
Wind spd          3  3  3  4  5  6  6  6  6  6  5  4  5  6  6  6  6  5  4  3  4
Clouds           OV OV OV B2 SC SC SC B2 B2 B2 SC SC SC SC SC SC B1 B1 B1 B1 B2
PoP 12hr                     80          60          60          40          50
QPF 12hr                   0.73        0.48        0.32        0.24        0.10
Rain shwrs        D  L  L  L  C  C  C  C  L  L  C  C  C  C  C  C  C  C  C  C  C
Tstms             C  S  S  S  S  S
Heat index       86          93 99101 95 88 84    84 94100102 97 88 83       94
Max heat         93    84    93   101   100    87    94   102   102    86    94


Date           05/11  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24
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    86      78    89      80    90      80    90
Temp          90 81   77 82 86 81   78 84 89 83   80 86 90 83   80 86 90 83
Dewpt         77 76   76 77 77 76   76 77 77 76   76 76 77 76   76 77 77 77
PWind dir        SE      SE    SE       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B2 B1   B2 B2 B2 B1   B1 SC SC SC   SC SC B1 B1
PoP 12hr         60      60    60      50    50      40    20      50    50
Rain shwrs     C  L    L  L  L  C    C  C  C  C    C  C  S  S    S  C  C  C
Tstms          S  S          S  S          S  S

$$
PRZ007-090800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Wed May 8 2024

Date           05/08/24      Thu 05/09/24            Fri 05/10/24            Sat
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          89          74          88          76
Temp             80 77 75 77 83 87 89 85 79 76 74 76 82 86 88 85 80 78 76 78 84
Dewpt            72 71 71 70 70 71 72 71 72 72 71 70 71 71 72 71 72 72 72 71 73
RH               77 82 87 79 65 59 57 63 79 87 90 82 69 61 59 63 77 82 87 79 70
Wind dir         NE  N NE NE  E SE SE SE  E NE NE NE  E SE SE SE  E  E  E  E  E
Wind spd          3  3  3  3  3  8  9  6  3  3  2  3  4  8  9  6  4  3  3  4  3
Clouds           SC B1 SC FW CL CL SC SC CL CL CL CL FW FW SC SC SC SC SC SC SC
PoP 12hr                     40          20           5          20          30
QPF 12hr                   0.09        0.04           0        0.14        0.04
Rain shwrs        C  C  S           S  S                    S  S  S  S  S  S  C
Tstms
Heat index       83          87 93 96 90 82          87 92 95 90 84          90
Max heat         91          87    96    95          87    95    94    83    90


Date           05/11  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24
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      75    88      74    88      75    88
Temp          89 80   76 83 88 79   75 83 88 79   74 82 88 79   75 83 88 79
Dewpt         72 72   72 72 72 72   71 71 73 73   71 70 72 71   70 71 72 72
PWind dir        SE       E    SE       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   SC SC FW FW   CL CL FW SC   FW FW FW FW   CL CL FW FW
PoP 12hr         30      30    10       0    20       0    10       0     5
Rain shwrs     C  C    C  C  S  S          S  S          S  S          S  S

$$
PRZ008-090800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Wed May 8 2024

Date           05/08/24      Thu 05/09/24            Fri 05/10/24            Sat
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          75          84          77
Temp             78 76 75 76 81 84 85 82 78 77 75 76 80 83 84 82 79 78 77 78 81
Dewpt            73 74 74 73 72 73 74 74 74 74 75 74 73 74 74 74 74 75 75 74 73
RH               85 94 97 90 74 70 70 77 88 90100 94 79 74 72 77 85 91 94 88 77
Wind dir          E  E  E  E  E NE NE  E  E  E  E  E  E NE NE NE  E  E SE SE SE
Wind spd         13 12 10 10  8  5  9  9 10 11 10  8  5  5  5  4  6  6  3  2  3
Clouds           OV SC SC FW CL CL SC SC SC SC SC SC SC SC B2 B2 FW FW FW FW CL
PoP 12hr                     80          30          30          50           0
QPF 12hr                   0.12        0.32        0.19        0.34           0
Rain shwrs        D  S  S           C  C  C  C  C  C  S  S  C  C
Tstms             C                 S  S                    S  S
Heat index                   85 90 92 88             85 89 91 88 83          86
Max heat         87          85    92    92          85    91    91          86


Date           05/11  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24
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      78    84      77    84      76    84      76    84
Temp          84 80   78 82 84 79   77 81 84 79   76 81 84 79   76 81 84 79
Dewpt         75 74   75 74 75 75   76 74 76 75   76 73 75 75   76 73 75 75
PWind dir         S      SE    NE       E    NE       E     E       E     E
Wind char        LT      LT    LT      LT    GN      GN    BZ      BZ    BZ
Avg clouds    SC B2   SC SC SC B1   SC FW SC B1   SC FW FW SC   CL FW SC SC
PoP 12hr         70      10    70       5    50      10    30      10    30
Rain shwrs     L  L    S  S  L  L    S  S  C  C    S  S  C  C       S  S  C
Tstms          S  S          S  S          S  S

$$
PRZ010-090800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Wed May 8 2024

Date           05/08/24      Thu 05/09/24            Fri 05/10/24            Sat
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          74          88          76
Temp             80 77 75 77 83 87 88 84 79 76 74 76 82 86 88 85 80 78 76 77 83
Dewpt            75 75 73 73 75 78 79 78 76 75 74 73 76 78 79 78 76 76 75 74 77
RH               85 94 94 87 77 75 75 82 91 97100 90 82 77 75 80 88 94 97 90 82
Wind dir         NE NE NE  E  E  W  N NE NE  E  E  E  E SW  S  E  E  E  E SE SE
Wind spd         10  8  5  4  3  3  4  5  5  5  4  3  2  3  3  3  3  3  4  5  4
Clouds           B2 SC B1 CL CL CL B2 B2 CL CL CL CL CL CL B2 B2 CL CL CL CL CL
PoP 12hr                     50          70           5          50           0
QPF 12hr                   0.11        2.36           0        0.33           0
Rain shwrs        C  S  C           L  L                    C  C
Tstms             S                 S  S                    S  S
Heat index       84          90 99103 95             90 99103 96 86          92
Max heat         97          90   103   102          90   103   102    84    92


Date           05/11  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24
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      76    88      74    88      75    89
Temp          88 80   76 83 88 80   76 83 88 79   74 82 88 79   75 83 89 80
Dewpt         80 77   75 77 80 77   76 77 79 77   74 76 79 78   75 76 79 78
PWind dir        SE      SE    SE       E     E       E     E       E    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   CL CL SC B1   CL CL SC B1   CL CL SC SC   CL CL SC B1
PoP 12hr         50       0    70       0    60       0    50       0    60
Rain shwrs     C  C          L  L          L  L          C  C          L  L
Tstms          S  S          S  S          S  S          S  S          S  S

$$
VIZ001-090800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Wed May 8 2024

Date           05/08/24      Thu 05/09/24            Fri 05/10/24            Sat
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          79          87          79
Temp             81 80 79 80 84 86 87 85 82 80 79 80 84 86 87 85 82 80 79 80 84
Dewpt            76 76 76 76 76 76 76 76 76 76 76 76 77 76 76 76 76 77 76 76 77
RH               85 88 91 88 77 72 70 75 82 88 91 88 80 72 70 75 82 91 91 88 80
Wind dir          E  E  E  E  E  E SE  E  E  E  E  E  E  E SE SE  E  E SE SE SE
Wind spd          9 11 11 11 10  8  8  9 10 11 10  9 10  9  9  9 10 10  9  8  8
Clouds           OV B2 B2 SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1
PoP 12hr                     60          40          40          40          40
QPF 12hr                   0.47        0.42        0.19        0.08        0.09
Rain shwrs        L  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  C
Tstms             S  S  S     S  S
Heat index       88 86 83 85 92 96 98 94 88 86 84 85 93 96 98 94 89 87 84 85 93
Max heat         92    87    92    98    97    88    93    98    97    88    93


Date           05/11  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24
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      80    86      79    88      79    88      80    89
Temp          87 82   80 84 86 81   79 84 88 82   79 84 88 83   80 85 89 83
Dewpt         78 77   77 77 78 77   77 77 77 77   77 77 77 77   77 77 77 78
PWind dir        SE      SE    SE       E     E       E     E       E     E
Wind char        LT      GN    GN      GN    GN      BZ    BZ      BZ    BZ
Avg clouds    B1 SC   SC B1 B1 SC   B1 B1 SC SC   SC SC SC SC   FW SC SC SC
PoP 12hr         40      60    60      40    20      20    20      40    40
Rain shwrs     C  C    S  L  L  C    C  C  S  S    S  S  S  S    S  C  C  C

$$
VIZ002-090800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Wed May 8 2024

Date           05/08/24      Thu 05/09/24            Fri 05/10/24            Sat
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          89          77          89          77
Temp             81 79 77 78 84 88 89 86 81 79 77 78 84 88 89 86 81 79 77 78 83
Dewpt            75 75 74 75 75 75 75 75 75 75 75 75 75 76 75 75 75 75 75 75 76
RH               82 88 90 91 74 66 64 70 82 88 94 91 74 68 64 70 82 88 94 91 80
Wind dir          E  E  E  E  E  E SE  E  E  E  E  E  E SE SE SE  E  E  E SE SE
Wind spd          5  6  6  9  9  8  8  8  9 10  9  8 10  9  8  8  9  8  6  5  6
Clouds           B2 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     50          40          40          20          40
QPF 12hr                   0.37        0.34        0.19        0.15        0.06
Rain shwrs        C  C  C  C  S  S  C  C  C  C  C  C  S  S  S  S  S  S  S  S  C
Tstms             S
Heat index       86          92 98100 94 87          92 98100 94 87          92
Max heat         93    85    92   100    99    85    92   100    99    85    92


Date           05/11  Sun 05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24
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    88      78    90      78    90      78    90
Temp          88 81   77 83 88 81   78 85 90 82   78 85 90 82   78 85 90 82
Dewpt         76 75   75 76 76 75   76 76 76 76   76 76 76 76   76 76 76 76
PWind dir        SE      SE     E       E     E       E     E       E     E
Wind char        LT      LT    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    B1 SC   SC B1 B1 SC   SC B1 B1 SC   SC SC FW FW   FW SC B1 SC
PoP 12hr         40      40    40      40    40      20     5      40    40
Rain shwrs     C  C    C  C  C  C    C  C  C  S    S  S  S  S    S  C  C  C

$$