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 Sat Jun 29 2024

PRZ001-292000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Sat Jun 29 2024

Date             Sat 06/29/24            Sun 06/30/24            Mon 07/01/24
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          80          91          80          90
Temp             86 89 90 88 84 82 80 82 87 90 91 88 84 82 80 81 86 89 90 87 83
Dewpt            76 77 77 76 77 77 76 76 77 77 77 76 77 76 77 76 76 77 78 76 77
RH               72 68 66 68 80 85 88 82 72 66 64 68 80 82 91 85 72 68 68 70 82
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 13 14 13 10 11 10  9 11 16 16 13 11 12 13 11 12 17 17 16 13
Clouds           SC SC B1 B2 SC SC B1 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr                     60          40          20          40          50
QPF 12hr                   0.73        0.09        0.04        0.05        0.29
Rain shwrs        C  C  C  L  C  S  C  C  S  S  S  S  S  S  C  C  S  S  S  S  C
Tstms                      S                                                  S
Obvis                                     H  H  H  H  H  H        H  H  H  H
Heat index       96102103 99 94 90 86 89 99103105 99 94 89 87 87 96102105 98 92
Max heat         96   103   103    92    99   105   104    92    96   105   103
Heat                 Y  Y


Date          Tue 07/02/24  Wed 07/03/24  Thu 07/04/24  Fri 07/05/24
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      80    89      80    90      80    91
Temp          79 84 88 83   80 85 89 83   80 86 90 83   80 87 91 84
Dewpt         77 78 78 78   78 78 78 77   77 77 78 77   77 78 78 77
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    BZ      GN    BZ      BZ    BZ      GN    BZ
Avg clouds    B1 B2 B1 SC   B1 SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         60    60      30    20      20    40      20    20
Rain shwrs     L  L  L  C    C  C  S  S    S  S  C  C    S  S  S  S
Tstms          S  S  S

$$
PRZ002-292000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Sat Jun 29 2024

Date             Sat 06/29/24            Sun 06/30/24            Mon 07/01/24
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          82          91          83          89
Temp             86 88 89 87 84 83 82 83 87 90 91 89 86 84 83 84 87 89 89 87 84
Dewpt            77 77 77 77 77 77 77 77 77 77 78 77 77 76 77 76 77 78 78 78 78
RH               75 70 68 72 80 82 85 82 72 66 66 68 75 77 82 77 72 70 70 75 82
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         11 12 13 14 12 13 13 12 13 14 13 12 13 14 17 14 14 16 17 16 18
Clouds           B2 B2 B2 B2 B2 SC B2 B2 B1 B1 SC SC B2 B2 B2 B2 SC SC SC SC B1
PoP 12hr                     60          50          50          50          60
QPF 12hr                   0.80        0.12        0.11        0.09        0.33
Rain shwrs        C  C  C  L  C  S  C  C  C  C  C  C  C  C  C  C  S  S  S  S  L
Tstms                      S                                                  S
Obvis                                                             H  H  H  H
Heat index       97100102 99 94 92 90 92 99103106102 97 93 92 93 98103103100 96
Max heat         97   103   103    93    99   106   106    95    98   103   103


Date          Tue 07/02/24  Wed 07/03/24  Thu 07/04/24  Fri 07/05/24
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          82    88      83    89      83    91      81    91
Temp          82 86 88 85   83 87 89 85   83 88 91 84   81 87 91 84
Dewpt         78 79 79 78   78 79 79 78   77 79 78 78   77 78 79 77
PWind dir         E     E       E     E       E     E       E    SE
Wind char        BZ    BZ      BZ    BZ      BZ    BZ      GN    BZ
Avg clouds    B2 OV B2 SC   B1 B1 SC SC   B1 B1 SC SC   SC B1 B1 SC
PoP 12hr         80    80      40    40      40    40      40    40
Rain shwrs     L  D  D  C    C  C  C  C    C  C  C  C    C  C  C  S
Tstms          S  S  S  S    S  S     S    S  S

$$
PRZ007-292000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Sat Jun 29 2024

Date             Sat 06/29/24            Sun 06/30/24            Mon 07/01/24
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                      91          76          93          75          92
Temp             85 89 91 87 81 78 76 79 86 91 93 89 81 78 76 77 85 91 92 88 81
Dewpt            74 75 76 75 75 74 74 72 75 75 75 75 74 74 73 72 70 72 71 71 72
RH               70 64 62 68 82 88 94 79 70 60 56 64 79 88 90 85 61 54 51 57 74
Wind dir          E  E  E  E  E NE NE NE  E  E  E  E  E NE NE  E  E  E  E  E NE
Wind spd          4 14 16 14  8  5  5  5  9 14 16 13  9  8  6  6  8 19 14 14  9
Wind gust              26                   25 26                   32 25
Clouds           SC SC SC SC FW SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW SC
PoP 12hr                     30          10           5           5          30
QPF 12hr                   0.09        0.03        0.01        0.01        0.10
Rain shwrs        S  S  S  C     S  S  S  S  S                          S  S  C
Tstms                                                                         S
Obvis                               H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       93 99103 96 87          95102105 99 86          90 98 99 94 86
Max heat         93   103   101    85    95   106   103    84    90    99    98
Heat                 Y  Y


Date          Tue 07/02/24  Wed 07/03/24  Thu 07/04/24  Fri 07/05/24
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          76    89      76    91      77    90      77    91
Temp          77 84 89 80   77 85 91 82   78 85 90 81   78 85 91 83
Dewpt         72 73 76 74   73 74 73 72   72 72 74 75   74 71 73 72
PWind dir        NE     E       E     E      NE     E       E     E
Wind char        GN    BZ      GN    GN      GN    BZ      GN    GN
Avg clouds    B1 B2 B2 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         80    80      20    30      30    40      20    20
Rain shwrs     L  D  D  S    S  S  S  C    C  C  C  C    S  S  S  S
Tstms          S  S  S

$$
PRZ008-292000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Sat Jun 29 2024

Date             Sat 06/29/24            Sun 06/30/24            Mon 07/01/24
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                      86          77          88          77          87
Temp             82 85 86 84 80 78 77 79 84 87 88 85 81 79 77 78 83 86 87 85 81
Dewpt            75 76 76 75 75 76 77 77 75 76 76 76 75 76 77 76 75 76 76 75 76
RH               79 75 72 74 85 94100 94 74 70 68 75 82 91100 94 77 72 70 72 85
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 17 14 20 17 16 13 12 13 16 17 20 20 17 16 14 14 18 23 25 23
Clouds           FW FW SC B2 SC SC SC FW FW FW B1 B1 FW FW FW FW FW FW SC SC SC
PoP 12hr                     50          20          40           5          30
QPF 12hr                   0.50        0.04        0.31        0.01        0.26
Rain shwrs              S  C  S  S  S  S  S  S  C  C                    S  S  C
Tstms                      S                                                  S
Obvis                               H  H  H  H        H  H  H  H  H  H  H  H
Heat index       89 94 96 92 85          92 98 99 94 87          90 96 97 93 87
Max heat         89    96    96    86    92   100    99    85    90    97    97
Heat                 Y  Y


Date          Tue 07/02/24  Wed 07/03/24  Thu 07/04/24  Fri 07/05/24
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    87      78    88      78    88
Temp          78 83 87 81   78 83 87 81   78 84 88 81   78 84 88 82
Dewpt         78 76 77 76   77 75 77 76   77 75 76 76   77 75 77 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      WY    BZ      GN    BZ
Avg clouds    SC SC B1 B1   FW FW SC SC   FW FW SC SC   CL FW SC B1
PoP 12hr         30    60       5    40      10    50       5    40
Rain shwrs     C  C  L  L    S  S  C  C       S  C  C          C  C
Tstms          S     S  S          S  S          S  S          S  S

$$
PRZ010-292000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Sat Jun 29 2024

Date             Sat 06/29/24            Sun 06/30/24            Mon 07/01/24
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          91          74          91
Temp             84 88 90 86 80 77 75 77 85 89 91 87 80 77 75 76 84 90 91 87 81
Dewpt            77 79 79 77 78 77 75 75 77 80 79 79 78 76 75 74 77 79 79 78 77
RH               80 75 70 75 94100100 94 77 75 68 77 94 97100 94 80 70 68 75 88
Wind dir          E  E NW  E NE  E  E  E  E  E NE NE  E  E  E  E  E  E  E NE  E
Wind spd          5  3  3  5  3  8  4  4  5  2  3  4  4  6  5  6  6  4  3 11 13
Clouds           CL FW SC OV FW CL FW FW CL CL OV OV FW FW FW FW CL CL SC SC SC
PoP 12hr                     70           5          70           5          30
QPF 12hr                   1.08           0        0.75        0.01        0.50
Rain shwrs              S  L                    L  L                    C  C  S
Tstms                      S                    S  S
Obvis                               H  H  H  H        H  H  H  H  H  H
Heat index       94103106 97 87          96106108101 87          94106108100 89
Max heat         94   106   106          96   108   106          94   108   106
Heat                 Y  Y


Date          Tue 07/02/24  Wed 07/03/24  Thu 07/04/24  Fri 07/05/24
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          76    90      75    91      77    92      77    92
Temp          77 84 90 80   76 85 91 82   78 86 92 82   78 86 92 83
Dewpt         76 78 80 78   76 78 80 78   76 78 79 78   76 78 80 78
PWind dir         E     E       E     E      NE     E       E     E
Wind char        GN    GN      LT    LT      GN    BZ      LT    GN
Avg clouds    SC B1 B1 SC   FW FW SC SC   FW FW SC SC   FW FW SC B1
PoP 12hr         60    60       5    40      10    50       5    40
Rain shwrs     S  L  L  L          C  C       S  C  C          C  C
Tstms             S  S  S          S  S          S  S          S  S

$$
VIZ001-292000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Sat Jun 29 2024

Date             Sat 06/29/24            Sun 06/30/24            Mon 07/01/24
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          82          92          82          87
Temp             85 87 88 87 84 83 82 84 88 91 92 90 85 84 82 83 85 87 87 85 82
Dewpt            78 78 78 78 78 78 79 78 78 78 78 79 78 78 78 77 78 79 79 79 79
RH               80 75 72 75 82 85 91 82 72 66 64 70 80 82 88 82 80 77 77 82 91
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         17 17 18 19 20 20 21 19 19 16 18 19 21 23 23 19 21 20 21 23 24
Clouds           SC SC B2 B1 SC CL SC B1 SC SC SC SC B1 B1 SC SC SC SC SC SC B1
PoP 12hr                     50          40          40          40          60
QPF 12hr                   0.57        0.05        0.06        0.06        0.32
Rain shwrs        C  C  C  C  S     S  C  S  S  S  S  C  C  C  C  S  S  S  S  L
Tstms                      S                                                  S
Obvis                               H  H  H  H  H  H              H  H  H  H
Heat index       97100102100 95 93 92 95102106107106 97 95 91 92 97101101 98 93
Max heat         97   102   102    95   102   107   108    97    97   101   100


Date          Tue 07/02/24  Wed 07/03/24  Thu 07/04/24  Fri 07/05/24
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          80    87      82    87      81    90      82    90
Temp          80 84 87 84   82 85 87 83   81 86 90 85   82 87 90 85
Dewpt         79 80 80 79   80 80 78 79   79 79 79 78   79 79 79 79
PWind dir         E     E       E     E       E     E       E     E
Wind char        WY    WY      BZ    WY      WY    BZ      BZ    WY
Avg clouds    B2 OV B2 SC   SC SC SC SC   B1 B1 SC SC   SC SC SC SC
PoP 12hr         80    80      30    40      40    40      40    20
Rain shwrs     L  D  D  C    C  C  S  C    C  C  C  C    C  C  S  S
Tstms          S  S  S                S    S  S

$$
VIZ002-292000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Sat Jun 29 2024

Date             Sat 06/29/24            Sun 06/30/24            Mon 07/01/24
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          81          92          81          89
Temp             85 88 89 87 84 82 81 83 88 91 92 89 85 83 81 82 86 88 89 88 85
Dewpt            78 78 77 78 77 78 77 77 77 78 78 78 77 78 77 77 78 78 78 78 78
RH               80 72 68 75 80 88 88 82 70 66 64 70 77 85 88 85 77 72 70 72 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         17 17 17 17 18 19 17 16 18 17 17 19 19 23 20 20 21 21 21 23 23
Clouds           B1 B1 B1 SC SC FW SC B1 SC SC FW FW SC SC SC SC SC SC SC SC B2
PoP 12hr                     40          40          30          30          70
QPF 12hr                   0.24        0.05        0.02        0.05        0.43
Rain shwrs        C  C  C  C  S     S  C  S  S  S  S  C  C  C  C  S  S  C  C  L
Tstms                                                                         S
Obvis                               H  H  H  H  H  H              H  H
Heat index       97102102100 94 91 88 92100106107103 96 93 88 90 97102103101 97
Max heat         97   103   103    92   100   107   107    94    97   103   103
Heat                 Y  Y


Date          Tue 07/02/24  Wed 07/03/24  Thu 07/04/24  Fri 07/05/24
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          83    89      82    88      81    91      80    91
Temp          83 87 89 84   82 86 88 83   81 87 91 84   80 87 91 84
Dewpt         78 78 79 78   78 79 78 78   78 78 78 78   78 78 78 77
PWind dir         E     E       E     E       E     E       E     E
Wind char        WY    WY      BZ    BZ      WY    BZ      BZ    BZ
Avg clouds    B2 OV B2 SC   B1 B1 SC SC   B1 B1 SC SC   SC SC SC SC
PoP 12hr         80    70      40    40      40    40      30    20
Rain shwrs     D  D  L  C    C  C  S  C    C  C  C  C    C  C  S  S
Tstms          C  C  S  S    S  S     S    S  S

$$