Point Forecast Matrices
Issued by NWS San Juan, PR

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Point Forecast Matrices
National Weather Service San Juan PR
503 AM AST Fri May 3 2024

PRZ001-032000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Fri May 3 2024

Date             Fri 05/03/24            Sat 05/04/24            Sun 05/05/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          77          87          78          89
Temp             85 89 90 86 81 79 77 78 83 86 87 84 81 79 78 79 84 88 89 86 81
Dewpt            75 76 76 75 75 74 74 74 74 76 76 75 75 75 74 74 75 76 77 76 76
RH               72 66 64 70 82 85 90 88 74 72 70 74 82 88 88 85 74 68 68 72 85
Wind dir          S  E NE NE SE  S  S  S SE NE  E  E  E  E  E  E  E  E  E  E  E
Wind spd          5  2  1  2  2  1  4  3  3  6  8  6  6  4  3  3  4  9 12 10  9
Clouds           SC SC OV B2 B1 B1 B1 B2 B2 OV OV OV SC SC SC SC B1 B1 B2 B2 B1
PoP 12hr                     70          60          80          40          50
QPF 12hr                   1.22        0.46        1.55        0.14        0.64
Rain shwrs        C  S  L  L  C  C  C  C  L  L  D  D  C  C  C  C  C  C  C  C  C
Tstms                   S  S  S  S  S  S  S  S  S  S                    S  S  S
Heat index       93100102 96 87 83       90 95 98 93 87 84    83 93 99101 96 88
Max heat         93   102   101    86    90    98    97    86    93   101   100
Flood             A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A


Date          Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          77    87      77    86      75    85      77    84
Temp          77 83 87 80   77 82 86 79   75 81 85 80   77 81 84 79
Dewpt         75 76 77 76   75 75 76 74   74 75 76 75   74 75 75 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    LT      GN    GN      LT    GN
Avg clouds    B1 B1 B1 B2   OV B2 B2 B2   B2 B2 B1 B1   B2 B2 B1 SC
PoP 12hr         50    70      70    60      60    50      50    50
Rain shwrs     C  C  C  L    L  L  L  L    L  L  C  C    C  C  C  S
Tstms          S  S     S    S  S  S  S    S  S  S  S    S  S

$$
PRZ002-032000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Fri May 3 2024

Date             Fri 05/03/24            Sat 05/04/24            Sun 05/05/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      88          76          88          77          88
Temp             83 87 88 85 80 78 76 77 83 87 88 85 81 79 77 78 83 87 88 85 82
Dewpt            76 77 77 76 75 74 74 74 76 76 76 76 76 75 76 75 77 77 77 77 77
RH               80 72 70 75 85 88 94 90 80 70 68 75 85 88 97 91 82 72 70 77 85
Wind dir          S  S  S  E  E SE  S  S  E  E  E  E  E NE NE NE NE  E  E NE NE
Wind spd          6  6  6  4  1  2  3  5  5  8  8  5  4  3  4  5  6  8 10  9  8
Clouds           OV OV B2 B2 B2 B2 B2 B2 OV OV OV OV B1 B1 B1 B1 B2 B2 B2 B2 B2
PoP 12hr                     70          70          80          50          50
QPF 12hr                   1.26        0.53        1.56        0.18        0.68
Rain shwrs        L  L  C  C  C  C  C  C  L  L  D  D  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
Heat index       91 98100 94 85          91 97 99 94 87          92 98100 96 90
Max heat         91   100    99    83    91    99    98    85    92   100   100
Flood             A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A


Date          Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    88      78    85      76    87      77    86
Temp          79 84 88 81   78 82 85 79   76 82 87 80   77 82 86 81
Dewpt         76 77 77 76   75 76 76 75   74 76 76 75   74 75 76 75
PWind dir        NE    NE       E    NE       E     E       E     E
Wind char        LT    GN      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2 B2 B2   OV OV B2 B1   B2 B2 B2 B2   B2 B2 B2 B1
PoP 12hr         60    80      80    60      60    60      60    60
Rain shwrs     C  L  L  D    D  D  L  L    L  L  L  L    L  L  L  C
Tstms          S  S  S  S    S  S  S  S    S  S  S  S    S  S

$$
PRZ007-032000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Fri May 3 2024

Date             Fri 05/03/24            Sat 05/04/24            Sun 05/05/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          75          89          79          88
Temp             84 88 90 86 80 77 75 77 83 87 89 86 82 81 79 80 84 87 88 85 81
Dewpt            73 72 72 71 71 71 70 69 69 72 72 71 70 69 68 69 69 70 72 72 73
RH               70 59 56 61 74 82 84 76 63 61 57 61 67 67 69 69 61 57 59 65 77
Wind dir          E SE SE  E  E  E NE NE  E SE SE SE  E NE NE NE NE  E SE  E NE
Wind spd          4  6  6  5  3  2  2  3  4 10 11  4  4  2  2  4  2 11 11  9  5
Clouds           SC SC B2 B2 FW FW FW SC SC SC B2 B2 SC SC SC SC SC SC B2 B2 SC
PoP 12hr                     60          20          50          10          50
QPF 12hr                   1.05        0.08        0.93        0.03        0.51
Rain shwrs        S  S  L  L  S  S  S  S  S  S  C  C  S  S  S  S  S  S  C  C  S
Tstms                   S  S                    S  S                    S  S
Heat index       91 95 97 91 84          87 94 96 92 86 84 82 83 88 92 95 91 86
Max heat         91    97    96    82    87    96    95    85    88    95    94
Flood             A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A


Date          Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          78    87      78    86      76    86      79    85
Temp          78 83 87 81   78 83 86 79   76 82 86 81   79 83 85 81
Dewpt         70 70 73 72   69 69 71 71   69 71 71 71   69 69 72 72
PWind dir        NE     E      NE     E      NE     E      NE     E
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW SC B1   SC SC B1 SC   FW FW SC B2   SC SC SC SC
PoP 12hr         10    60      40    40      10    60      30    20
Rain shwrs     S  S  L  L    S  C  C  C       S  L  L    C  C  S  S
Tstms                S  S                        S  S

$$
PRZ008-032000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Fri May 3 2024

Date             Fri 05/03/24            Sat 05/04/24            Sun 05/05/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      85          74          83          76          84
Temp             80 84 85 82 78 76 74 75 79 82 83 81 78 77 76 77 81 83 84 81 78
Dewpt            72 73 74 73 73 74 74 73 73 73 74 74 74 74 75 75 74 74 75 75 74
RH               77 70 70 74 85 94100 94 82 74 74 79 88 90 97 94 79 74 74 82 88
Wind dir         SE NW  N  E  E  E  E  E  E NE NE NE  E  E  E  E  E  E  E NE  E
Wind spd          1  4  6  6  9  9  6  8  6 10  8  2  5  4  3  8  9 11 10 11 12
Clouds           SC SC SC SC B1 B1 SC SC SC SC B2 OV B1 B1 B1 B1 SC SC B2 B2 SC
PoP 12hr                     40          40          80          40          50
QPF 12hr                   0.37        0.31        1.24        0.11        0.53
Rain shwrs        S  S  C  S  C  C  S  S  C  C  C  D  C  C  C  C  S  S  C  C  S
Tstms                         S  S              S  S                    S  S
Heat index       84 90 92 87             83 87 90 87             86 89 92 87
Max heat         84    92    92          83    90    89          86    92    91
Flood             A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A


Date          Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    84      75    84      73    83      76    83
Temp          75 80 84 78   75 80 84 77   73 79 83 78   76 80 83 78
Dewpt         75 74 75 74   75 73 74 73   73 72 74 73   74 73 74 74
PWind dir         E    NE       E    NE       E    NE       E     E
Wind char        GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC B1   SC SC SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr         10    50      30    30      20    30      20    10
Rain shwrs     S  S  C  C    S  C  C  C    S  S  C  C    S  S  S  S

$$
PRZ010-032000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Fri May 3 2024

Date             Fri 05/03/24            Sat 05/04/24            Sun 05/05/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      89          74          87          78          88
Temp             83 87 89 85 79 76 74 76 82 86 87 84 81 79 78 79 84 87 88 85 81
Dewpt            76 79 79 77 75 74 74 73 76 78 79 78 76 76 75 74 76 79 80 79 77
RH               80 77 73 77 88 94100 90 82 77 77 82 85 91 91 85 77 77 77 82 88
Wind dir         SE SW  W NE NE  E NE NE  E  S  W  N NE NE  E NE  E  E NE NE NE
Wind spd          5  2  4  5  9  6  5  4  3  3  2  3  3  2  2  4  4  2  4  3  6
Clouds           SC FW SC SC SC SC CL FW SC SC B1 B2 SC SC SC SC SC SC OV OV SC
PoP 12hr                     30          20          60          20          80
QPF 12hr                   0.32        0.11        0.93        0.05        1.26
Rain shwrs        S     C  C  S  S        S  S  C  L  S  S  S  S  S  S  D  D  S
Tstms                                           S  S                    S  S
Heat index       92102105 95 83          89 98101 96 88 84    83 93101104 98 88
Max heat         92   105   103          89   101   101    86    93   104   103
Flood             A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A


Date          Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          77    88      77    88      75    87      78    87
Temp          77 83 88 81   77 83 88 79   75 82 87 81   78 83 87 81
Dewpt         75 76 79 77   75 76 79 76   74 75 79 75   74 75 79 75
PWind dir        NE    NE       E    NE       E    NE       E    NE
Wind char        LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    SC FW SC B2   FW SC B1 B1   CL FW SC B2   SC FW SC B1
PoP 12hr         10    90      30    60       0    80       5    60
Rain shwrs     S  S  D  D       C  L  L          D  D    S  S  L  L
Tstms                S  S          S  S          S  S          S  S

$$
VIZ001-032000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Fri May 3 2024

Date             Fri 05/03/24            Sat 05/04/24            Sun 05/05/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          77          87          79          88
Temp             85 89 90 86 81 79 77 78 83 86 87 85 82 80 79 80 84 87 88 85 82
Dewpt            77 76 77 76 76 75 75 75 77 76 76 76 76 76 76 76 77 77 77 77 77
RH               77 66 66 72 85 88 94 91 82 72 70 75 82 88 91 88 80 72 70 77 85
Wind dir         SE SE  E  E SE SE SE  E  E  E  E  E  E  E NE NE  E  E  E NE NE
Wind spd         12  8  8  5  1  8  9 11 10  8  8  1  4  9  6  9 10 11 11 10 11
Clouds           OV OV OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC B2
PoP 12hr                     70          50          60          40          50
QPF 12hr                   1.14        0.46        1.17        0.15        0.26
Rain shwrs        L  L  L  C  C  C  C  C  C  C  L  L  C  C  C  C  C  C  C  C  C
Tstms             S  S  S  S  S  S  S  S  S  S  S  S                          S
Heat index       96100102 97 88 83       91 96 98 94 89 86 84 86 94 99101 96 90
Max heat         96   102   102    86    91    98    97    88    94   101   100
Flood             A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A


Date          Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    87      78    86      77    87      78    87
Temp          79 84 87 81   78 83 86 80   77 83 87 81   78 83 87 81
Dewpt         77 78 77 77   77 77 77 76   76 76 76 76   75 76 76 75
PWind dir        NE    NE       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      BZ    GN      GN    GN
Avg clouds    B2 B1 B1 B2   B2 B1 SC B1   B2 B2 B2 B1   B2 B2 B2 B1
PoP 12hr         50    60      60    60      60    60      60    60
Rain shwrs     C  C  L  L    L  L  C  L    L  L  L  C    C  L  L  C
Tstms          S  S  S  S    S  S     S    S  S  S  S    S  S

$$
VIZ002-032000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Fri May 3 2024

Date             Fri 05/03/24            Sat 05/04/24            Sun 05/05/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      88          75          88          76          87
Temp             84 87 88 84 79 77 75 77 83 87 88 85 80 78 76 77 82 86 87 84 80
Dewpt            76 77 76 76 75 75 75 75 75 76 76 75 76 75 76 76 76 77 77 76 76
RH               77 72 68 77 88 94100 94 77 70 68 72 88 91100 97 82 75 72 77 88
Wind dir         SE SE SE  E  E  E SE  E  E  E SE  E NE NE NE NE  E  E  E  E NE
Wind spd         11 11  9  3  3  8  9 11  9  8  6  9 11 12  8 10 11 11 11 11 10
Clouds           B2 B1 OV B2 SC B1 SC SC SC SC B2 B2 B1 B1 B1 B1 SC SC SC SC B1
PoP 12hr                     70          40          50          40          40
QPF 12hr                   1.32        0.37        0.96        0.13        0.22
Rain shwrs        C  C  L  L  C  C  C  C  C  C  C  C  C  C  C  C  S  S  C  C  C
Tstms                S  S  S     S              S  S                          S
Heat index       93 98 99 93 84          90 96 99 93 86          90 97 98 93 87
Max heat         93    99    98          90    99    98    83    90    98    97
Flood             A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A


Date          Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          77    88      76    88      75    87      76    87
Temp          77 83 88 80   76 83 88 79   75 82 87 80   76 82 87 80
Dewpt         76 76 76 76   75 76 75 75   75 75 75 75   75 75 75 75
PWind dir        NE     E       E    NE       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B1 B2   B2 B2 B1 B1   B2 B2 B2 B2   B2 B2 B2 B1
PoP 12hr         40    60      60    60      60    50      60    60
Rain shwrs     C  C  L  L    L  L  C  L    L  L  C  C    C  L  L  C
Tstms          S  S  S  S    S  S     S    S  S  S  S    S  S

$$