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 Mon May 6 2024

PRZ001-070800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Mon May 6 2024

Date           05/06/24      Tue 05/07/24            Wed 05/08/24            Thu
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 75 75 75 75 76 76 75 75 75 74 74 75 75 76 75 74 74 74 74 75
RH               85 88 94 91 77 72 70 74 85 88 90 88 74 66 66 70 79 85 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          8  8  6  5  4 10 12 10  9 10  5  4  3  5  5  8  9  8  6  6  8
Clouds           OV OV OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B2 OV OV OV OV OV OV B2
PoP 12hr                     70          70          70          70          70
QPF 12hr                   1.08        0.86        1.15        1.06        0.62
Rain shwrs        L  L  L  L  L  L  L  L  L  L  L  L  C  C  L  L  L  L  L  L  L
Tstms             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index       86          90 96 98 93 86          92 98100 94 87          92
Max heat         93    84    90    98    97    84    92   100    99    85    92


Date           05/09  Fri 05/10/24  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24
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    89      77    88      77    88
Temp          89 81   77 85 90 82   78 84 89 81   77 83 88 81   77 83 88 81
Dewpt         76 75   75 75 76 75   75 76 77 76   75 76 77 76   76 76 76 76
PWind dir         E       E     E      SE    SE      SE     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    B2 B1   B2 B1 SC SC   B2 B1 B1 B2   B2 B2 B1 B1   B1 B1 B1 SC
PoP 12hr         60      50    50      50    60      50    50      40    40
Rain shwrs     L  C    C  C  C  C    C  C  L  L    C  C  C  C    C  C  C  S
Tstms             S    S  S                S  S          S  S

$$
PRZ002-070800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Mon May 6 2024

Date           05/06/24      Tue 05/07/24            Wed 05/08/24            Thu
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             81 79 77 78 83 87 88 85 81 79 77 78 84 88 89 86 82 80 78 79 84
Dewpt            76 76 76 75 76 77 77 76 75 75 75 75 75 76 76 76 75 75 75 74 76
RH               85 91 97 91 80 72 70 75 82 88 94 91 74 68 66 72 79 85 91 85 77
Wind dir         NE NE  E  E NE  E  E NE  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          8  8  6  5  5  8  8  8  6  8  4  3  2  3  4  8  8  9  8  8 10
Clouds           OV OV OV OV OV B2 B2 OV B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2
PoP 12hr                     70          70          60          80          80
QPF 12hr                   1.08        1.29        0.61        1.16        0.82
Rain shwrs        L  L  L  L  L  L  C  L  C  L  L  L  C  C  L  L  D  D  L  L  L
Tstms             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index       87          92 98100 94 86          92 99100 95 88 84    83 94
Max heat         95    85    92   100    99    85    92   100   100    87    94


Date           05/09  Fri 05/10/24  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24
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      78    89      79    90      78    90
Temp          89 82   78 84 89 82   78 84 89 82   79 85 90 82   78 85 90 82
Dewpt         77 75   75 76 77 76   76 77 77 76   76 77 77 77   76 77 77 77
PWind dir         E       E     E       E    SE       E     E       E     E
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B1   B2 B1 SC B1   B2 B1 B1 B2   B2 B2 B1 B1   SC SC B1 B1
PoP 12hr         60      50    50      50    60      50    50      30    50
Rain shwrs     L  C    C  C  C  C    C  C  L  L    C  C  C  C    C  C  C  C
Tstms             S    S  S                S  S          S  S          S  S

$$
PRZ007-070800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Mon May 6 2024

Date           05/06/24      Tue 05/07/24            Wed 05/08/24            Thu
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          74
Temp             80 77 75 77 83 87 88 84 79 77 75 77 83 87 89 85 79 76 74 76 82
Dewpt            72 72 71 70 71 72 73 73 72 71 70 70 71 72 72 72 72 71 70 69 72
RH               77 85 87 79 67 61 61 70 79 82 84 79 67 61 57 65 79 85 87 79 72
Wind dir         NE NE NE NE  E  E SE  E NE NE  N  N  E  E  E  E  E NE NE NE  E
Wind spd          3  3  2  2  3  9  9  6  2  2  2  3  3  8  8  5  4  3  3  5  6
Clouds           OV SC SC B2 SC SC B2 B2 B2 SC B2 B2 B1 B1 B2 B2 B2 B2 SC SC CL
PoP 12hr                     70          50          50          60          60
QPF 12hr                   0.45        0.44        0.34        0.35        0.14
Rain shwrs        L  C  S  L  C  S  C  C  C  C  C  C  C  C  C  C  L  L  S  S
Tstms             S        S        S  S  S     S  S        S  S  S  S
Heat index       84          87 93 96 91 83          88 94 96 91 82          87
Max heat         93    82    87    96    95          88    96    95          87


Date           05/09  Fri 05/10/24  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24
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    87      75    87      76    88
Temp          88 79   75 83 88 80   76 82 87 79   75 82 87 80   76 83 88 80
Dewpt         73 73   71 72 71 72   72 73 73 73   72 71 73 73   70 71 72 72
PWind dir         E      NE     E       E    SE       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW   CL CL FW FW   FW FW SC SC   CL CL FW FW   CL CL FW FW
PoP 12hr         10       0    10      10    20       0     5       0    10
Rain shwrs     S  S          S  S       S  S  S                        S  S

$$
PRZ008-070800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Mon May 6 2024

Date           05/06/24      Tue 05/07/24            Wed 05/08/24            Thu
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          75
Temp             78 77 75 76 81 84 85 82 79 77 76 77 80 82 83 81 78 76 75 76 80
Dewpt            74 75 75 75 73 73 74 74 73 74 74 74 73 74 74 73 73 74 75 74 73
RH               88 94100 97 77 70 70 77 82 90 94 90 79 77 74 77 85 94100 94 79
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         13 13 11  9  6  6 11 11 12 12  8  4  4  4  8 11 11 11  8  3  3
Clouds           SC B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 SC SC B2 B2 B2 B2 SC SC FW
PoP 12hr                     70          60          60          60          50
QPF 12hr                   0.71        0.66        0.48        0.31        0.12
Rain shwrs        S  L  L  C  C  C  L  C  C  L  C  C  S  S  L  L  C  C  S  S
Tstms                S  S  S  S  S  S  S  S  S  S  S        S  S  S  S
Heat index                   85 90 93 89 83          84 88 90 86             84
Max heat         88          85    93    92          84    90    89          84


Date           05/09  Fri 05/10/24  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24
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          83      76    84      77    84      76    83      77    83
Temp          83 78   76 81 84 79   77 81 84 79   76 80 83 79   77 81 83 79
Dewpt         75 74   75 73 75 74   75 73 75 75   76 74 75 75   76 74 76 76
PWind dir         E       E    NE       E    NE       E     E       E     E
Wind char        GN      GN    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC B2   B1 SC SC B1   FW FW SC B1   FW FW SC B1   SC FW FW SC
PoP 12hr         60      40    70       5    60       5    60       5    40
Rain shwrs     L  L    C  C  L  L          L  L    S  S  L  L    S  S  C  C
Tstms          S  S          S  S          S  S          S  S

$$
PRZ010-070800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Mon May 6 2024

Date           05/06/24      Tue 05/07/24            Wed 05/08/24            Thu
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          87          74
Temp             80 77 75 77 83 87 88 84 79 77 75 76 82 86 87 83 78 76 74 76 82
Dewpt            76 76 75 74 76 79 79 78 76 75 74 73 76 79 79 78 76 75 74 74 76
RH               88 97100 90 80 77 75 82 91 94 97 90 82 80 77 85 94 97100 94 82
Wind dir         NE NE NE  E NE  S NE NE NE NE  E  E  E  N  N NE NE  E  E  E  E
Wind spd          6  6  5  3  4  4  4  4  5  5  4  5  4  3  5  8  9  5  3  4  4
Clouds           B2 SC SC SC B2 B2 OV OV B2 B2 B1 B1 SC SC OV OV OV OV B1 B1 CL
PoP 12hr                     50          80          60          80          80
QPF 12hr                   0.20        2.38        0.37        1.43        0.64
Rain shwrs        C  S  S  S  C  C  D  L  L  C  C  C  S  S  D  D  D  D  C  C
Tstms             S           S  S  C  S  S  S     S        S  S  S  S
Heat index       86          91101103 96 84          89 99101 94             89
Max heat         98    83    91   103   102          89   101   100          89


Date           05/09  Fri 05/10/24  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24
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      75    89      76    88      76    87      75    87
Temp          87 79   75 83 89 80   76 83 88 80   76 82 87 79   75 82 87 79
Dewpt         80 77   75 76 79 77   75 77 80 77   76 77 80 77   75 77 80 78
PWind dir         E       E    SE       E    SE       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1   FW FW SC B1   CL CL SC SC   CL CL SC B1   CL CL SC B1
PoP 12hr         70       0    70       0    50       0    60       0    60
Rain shwrs     L  L          L  L          C  C          L  L          L  L
Tstms          S  S          S  S          S  S          S  S          S  S

$$
VIZ001-070800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Mon May 6 2024

Date           05/06/24      Tue 05/07/24            Wed 05/08/24            Thu
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          85          78          86          79
Temp             82 80 79 80 83 84 85 83 80 79 78 79 83 85 86 84 81 80 79 80 84
Dewpt            77 76 76 76 77 76 77 77 77 76 76 75 76 76 76 76 76 75 76 75 77
RH               85 88 91 88 82 77 77 82 91 91 94 88 80 75 72 77 85 85 91 85 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 14 12 11 11 10 11 12 13 12 11  6  6  4  8 10 14 16 13 13 12
Clouds           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     60          60          50          50          60
QPF 12hr                   0.77        0.67        0.47        0.40        0.28
Rain shwrs        C  L  L  L  L  L  C  C  C  C  C  C  C  C  C  C  C  C  C  C  L
Tstms             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index       90 86 84 85 91 94 95 92 87 83       90 94 96 92 88 85 83 85 93
Max heat         96    88    91    95    95    85    90    96    95    87    93


Date           05/09  Fri 05/10/24  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24
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    87      79    88      79    89
Temp          87 82   79 84 87 82   79 84 87 82   79 84 88 82   79 85 89 82
Dewpt         77 76   76 77 77 77   76 77 78 77   77 77 78 77   77 77 77 78
PWind dir         E       E     E       E    SE       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B2 B1   B1 SC FW SC   B2 B1 SC SC   SC SC B1 SC   SC SC SC SC
PoP 12hr         60      40    50      50    30      50    50      10    20
Rain shwrs     L  C    C  C  S  C    C  C  C  C    S  C  C  S    S  S  S  S

$$
VIZ002-070800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Mon May 6 2024

Date           05/06/24      Tue 05/07/24            Wed 05/08/24            Thu
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          88          77
Temp             81 79 77 78 83 87 88 85 81 79 77 78 83 87 88 85 81 79 77 78 83
Dewpt            76 75 75 75 76 76 76 75 75 75 75 75 75 75 75 75 75 75 75 74 75
RH               85 88 94 91 80 70 68 72 82 88 94 91 77 68 66 72 82 88 94 88 77
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 12 10  9 10 10  9 10 10 10 10  8  8  3  6  9 11 14 12 10 10
Clouds           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr                     60          60          50          50          40
QPF 12hr                   0.77        0.67        0.47        0.38        0.19
Rain shwrs        C  L  L  L  L  L  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index       87          92 97 99 93 86          91 96 98 93 86          91
Max heat         95    86    92    99    98    85    91    98    97    85    91


Date           05/09  Fri 05/10/24  Sat 05/11/24  Sun 05/12/24  Mon 05/13/24
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      77    89      77    89      77    89
Temp          88 81   77 84 89 81   77 84 89 81   77 84 89 81   77 84 89 81
Dewpt         75 75   75 76 76 75   75 76 76 76   76 76 76 76   76 76 76 76
PWind dir         E       E     E       E    SE       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B1 SC   SC SC FW SC   SC SC SC SC   SC SC B1 SC   SC SC SC SC
PoP 12hr         40      30    30      30    30      40    40      30    20
Rain shwrs     C  C    C  C  S  C    C  C  C  C    S  C  C  C    C  C  S  S

$$