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 Thu May 30 2024

PRZ001-302000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Thu May 30 2024

Date             Thu 05/30/24            Fri 05/31/24            Sat 06/01/24
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          91
Temp             85 89 90 87 83 82 80 81 86 90 91 88 84 82 80 82 87 90 91 89 85
Dewpt            77 77 77 76 77 77 76 76 77 77 77 76 77 77 76 76 76 77 77 77 77
RH               77 68 66 70 82 85 88 85 75 66 64 68 80 85 88 82 70 66 64 68 77
Wind dir          E  E  E  E  E  E SE SE SE  E SE SE SE SE SE  E SE SE SE SE  E
Wind spd          8 13 16 10  6  8  6  8 10 13 14 11  6  5  3  3  4  9 12 10  6
Clouds           B2 B2 B1 B1 SC B1 B2 B2 SC SC B1 B1 SC SC SC SC B1 B1 B2 B2 SC
PoP 12hr                     50          50          30          40          60
QPF 12hr                   0.46        0.24        0.23        0.05        0.36
Rain shwrs        C  C  C  C  S  C  C  C  S  S  C  C  S  S  S  S  C  C  L  L  C
Tstms                   S  S                                            S  S
Obvis                                     H  H  H  H  H  H
Heat index       96101103 98 92 89 86 88 97102105 99 93 89 86 89 97103105100 94
Max heat         96   103   102    91    97   105   104    92    97   105   104
Heat                 Y  Y


Date          Sun 06/02/24  Mon 06/03/24  Tue 06/04/24  Wed 06/05/24
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          81    88      80    88      80    89      81    89
Temp          81 85 88 83   80 85 88 83   80 85 89 84   81 86 89 83
Dewpt         77 77 78 77   77 78 78 77   77 77 78 77   77 78 79 77
PWind dir         E     E       E     E      SE    SE      SE    SE
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC B1   SC SC SC B1   SC SC B1 B2   SC SC B1 B2
PoP 12hr         30    40      20    50      30    60      30    60
Rain shwrs     C  C  C  C    S  S  C  C    C  C  L  L    C  C  L  L
Tstms                              S  S          S  S          S  S

$$
PRZ002-302000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Thu May 30 2024

Date             Thu 05/30/24            Fri 05/31/24            Sat 06/01/24
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          80          88          80          88
Temp             85 87 88 86 83 81 80 81 85 87 88 86 83 81 80 81 85 87 88 86 83
Dewpt            78 78 78 77 77 77 77 77 78 78 78 77 77 77 77 76 78 78 78 77 78
RH               80 75 72 75 82 88 91 88 80 75 72 75 82 88 91 85 80 75 72 75 85
Wind dir          E  E SE SE  E  E  E  E  E SE SE SE SE  E  E  E  E SE SE SE  E
Wind spd         11 13 12  9  9  9 10  9 11 12 13 10  8  6  6  6  8 10  6  8  9
Clouds           B1 B1 SC SC B1 B1 B2 B2 B1 B1 SC SC B2 B2 B2 B2 B1 B1 B1 B1 SC
PoP 12hr                     50          60          50          50          40
QPF 12hr                   0.17        0.32        0.14        0.09        0.15
Rain shwrs        C  C  C  C  C  C  C  L  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms                         S        S
Obvis                                           H  H
Heat index       96100101 97 91 89 87 88 96100101 97 92 89 87 88 96101101 98 93
Max heat         96   101   101    90    96   101   101    91    96   102   101


Date          Sun 06/02/24  Mon 06/03/24  Tue 06/04/24  Wed 06/05/24
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          81    87      80    86      80    86      81    87
Temp          81 85 87 82   80 84 86 82   80 84 86 83   81 85 87 82
Dewpt         77 79 79 78   78 78 79 78   77 79 79 78   78 79 80 78
PWind dir         E     E       E    SE      SE    SE      SE     S
Wind char        GN    GN      LT    LT      GN    GN      GN    BZ
Avg clouds    SC B1 B1 SC   SC B1 B1 B1   SC SC SC SC   SC B1 B1 B1
PoP 12hr         50    50      40    50      30    30      40    50
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
Tstms             S  S             S  S                           S

$$
PRZ007-302000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Thu May 30 2024

Date             Thu 05/30/24            Fri 05/31/24            Sat 06/01/24
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          77          90          78          89
Temp             83 87 89 86 81 79 77 79 85 89 90 87 82 80 78 80 85 88 89 86 82
Dewpt            73 73 74 73 74 73 72 72 73 74 74 72 73 74 73 73 73 73 73 73 74
RH               72 63 61 65 79 82 85 79 67 61 60 61 74 82 85 79 67 61 59 65 77
Wind dir          E SE SE SE  E NE NE  E  E SE SE SE  E  E  E  E  E SE SE SE  E
Wind spd          5 14 12 10  6  5  4  5  8 12 12  9  6  5  4  5  5 10  9  9  4
Clouds           SC SC SC FW FW FW SC FW FW FW SC SC FW FW FW FW SC SC SC SC SC
PoP 12hr                     20          10          20          20          30
QPF 12hr                   0.05        0.02        0.15        0.01        0.08
Rain shwrs        S  S  S     S     S  S        S  S              S  S  C  C  C
Obvis                                     H  H  H  H  H  H
Heat index       89 95 98 93 86          91 97 99 93 88 84    83 91 95 97 93 88
Max heat         89    98    97    85    91    99    98    87    91    97    96


Date          Sun 06/02/24  Mon 06/03/24  Tue 06/04/24  Wed 06/05/24
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    89      77    88      78    87      78    87
Temp          78 85 89 81   77 84 88 82   78 83 87 81   78 83 87 81
Dewpt         72 73 74 74   73 73 74 74   74 75 76 75   75 76 76 75
PWind dir         E     E       E     E       E    SE      SE    SE
Wind char        LT    GN      LT    GN      GN    GN      LT    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC B1 B1 SC
PoP 12hr         30    20      20    30      30    30      40    40
Rain shwrs     C  C  S  S    S  S  C  C    C  C  C  C    C  C  C  C

$$
PRZ008-302000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Thu May 30 2024

Date             Thu 05/30/24            Fri 05/31/24            Sat 06/01/24
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          78          86          78          86
Temp             82 85 86 84 81 79 78 79 83 85 86 84 81 79 78 79 83 85 86 84 81
Dewpt            75 75 76 76 75 76 76 75 74 75 76 76 75 77 76 75 74 75 76 76 75
RH               79 72 72 77 82 91 94 88 74 72 72 77 82 94 94 88 74 72 72 77 82
Wind dir          E  E  E  E  E  E  E  E  E  E NE NE NE SE SE  E  E  E NE  N NE
Wind spd          9  4 11  5  2  3  5  9  9  4  9  5  4  2  2  5  4  5  8  6  6
Clouds           FW CL OV OV SC SC SC CL CL FW B2 B2 FW FW FW FW B1 B1 OV OV B1
PoP 12hr                     80          20          50          40          70
QPF 12hr                   1.52        0.02        0.49        0.03        0.60
Rain shwrs              L  D  S  S  S        S  C  C  S  S  S  S  C  C  L  L  C
Tstms                   S                       S  S                    S  S
Obvis                                     H  H        H  H
Heat index       88 93 96 92 86 84       89 94 96 92 87 84    83 89 94 96 93 86
Max heat         88    96    96    85    89    96    95    86    89    96    95
Heat                 Y  Y


Date          Sun 06/02/24  Mon 06/03/24  Tue 06/04/24  Wed 06/05/24
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    86      78    86      78    86      79    86
Temp          78 83 86 81   78 83 86 81   78 83 86 81   79 83 86 81
Dewpt         76 74 77 75   76 75 76 75   76 75 77 75   77 75 77 76
PWind dir         E     E       E     E       E    SE      SE     S
Wind char        LT    LT      LT    LT      LT    GN      LT    BZ
Avg clouds    B1 SC SC B1   SC SC SC B2   B2 B1 B1 B2   SC SC B1 B2
PoP 12hr         40    50      30    70      50    60      30    60
Rain shwrs     C  C  C  C    C  C  L  L    C  C  L  L    C  C  L  L
Tstms                S  S          S  S    S  S  S  S          S  S

$$
PRZ010-302000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Thu May 30 2024

Date             Thu 05/30/24            Fri 05/31/24            Sat 06/01/24
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          77          91          77          91
Temp             84 89 91 87 82 79 77 79 85 89 91 87 82 79 77 79 85 89 91 88 83
Dewpt            78 79 80 79 78 77 75 75 77 79 80 79 77 77 75 75 77 80 80 78 78
RH               82 73 70 77 88 94 94 88 77 73 70 77 85 94 94 88 77 75 70 72 85
Wind dir          E SE  N NE  E NE NE  E  E SE  E SE  E  E  E  E  E SE SE  E NE
Wind spd          2  2  2  1  3  4  5  4  3  4  3  6  6  5  5  5  5  4  2  5  2
Clouds           CL CL B2 B2 SC CL CL CL CL CL B2 B2 FW FW FW FW B1 B1 B2 B2 SC
PoP 12hr                     60          10          60          40          50
QPF 12hr                   1.26        0.01        0.54        0.03        0.36
Rain shwrs              L  L  S                 L  L              C  C  C  C  C
Tstms                   S  S                    S  S                    S  S
Obvis                                     H  H        H  H
Heat index       96105109102 90 84       96105109101 90 84    83 96106109101 92
Max heat         96   109   108    88    96   109   108    88    96   110   107
Heat                 Y  Y


Date          Sun 06/02/24  Mon 06/03/24  Tue 06/04/24  Wed 06/05/24
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    90      77    89      77    89      78    89
Temp          78 85 90 82   77 84 89 81   77 84 89 82   78 85 89 82
Dewpt         76 77 80 77   76 78 80 78   76 78 80 78   77 79 80 78
PWind dir         E     E       E    SE       E    SE      SE     S
Wind char        LT    LT      LT    GN      GN    GN      GN    BZ
Avg clouds    SC SC SC B1   SC FW SC B2   B2 B1 B1 B2   SC SC SC B1
PoP 12hr         30    60       5    70      50    60      30    40
Rain shwrs     C  C  L  L    S  S  L  L    C  C  L  L    C  C  C  C
Tstms                S  S          S  S    S  S  S  S

$$
VIZ001-302000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Thu May 30 2024

Date             Thu 05/30/24            Fri 05/31/24            Sat 06/01/24
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                      87          82          87          82          87
Temp             84 86 87 86 84 83 82 83 85 86 87 86 84 83 82 83 85 86 87 86 84
Dewpt            78 78 78 78 77 78 78 78 78 78 78 78 78 78 77 78 78 78 78 78 78
RH               82 77 75 77 80 85 88 85 80 77 75 77 82 85 85 85 80 77 75 77 82
Wind dir          E SE  E  E  E  E  E  E  E SE SE SE  E  E  E  E  E SE SE SE  E
Wind spd         16 17 16 13 13 16 17 14 17 16 16 12 13 12 12 13 13 12 11 11 12
Clouds           SC B1 B1 SC B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     40          50          40          30          30
QPF 12hr                   0.15        0.17        0.14        0.02        0.09
Rain shwrs        S  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  S
Tstms                   S     S
Obvis                                           H  H  H  H
Heat index       95 98 99 97 93 92 91 92 97 99100 97 94 93 90 92 97 99100 97 94
Max heat         95    99    99    93    97   100    99    93    97   100    99


Date          Sun 06/02/24  Mon 06/03/24  Tue 06/04/24  Wed 06/05/24
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    86      82    86      82    86      82    87
Temp          82 84 86 83   82 84 86 83   82 84 86 83   82 85 87 84
Dewpt         78 79 79 78   79 78 79 79   78 79 79 79   79 80 79 79
PWind dir         E     E       E    SE      SE    SE      SE     S
Wind char        GN    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC SC B1 SC   SC SC SC SC   SC SC SC SC   SC SC B1 B1
PoP 12hr         50    50      30    30      30    20      50    50
Rain shwrs     S  C  C  C    C  C  C  C    C  C  S  S    S  C  C  C
Tstms             S  S                                      S  S  S

$$
VIZ002-302000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Thu May 30 2024

Date             Thu 05/30/24            Fri 05/31/24            Sat 06/01/24
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          89          82          89
Temp             85 88 89 87 84 83 82 83 86 88 89 87 84 83 82 83 86 88 89 87 84
Dewpt            77 77 77 77 76 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77
RH               77 70 68 72 77 82 85 82 75 70 68 72 80 82 85 82 75 70 68 72 80
Wind dir          E  E  E  E  E  E  E  E  E SE SE SE  E  E  E  E  E SE SE  E  E
Wind spd         14 17 16 13 11 13 13 13 17 16 14 12  9 10 10 11 12 13 12 11 11
Clouds           SC SC SC SC SC SC B1 B1 SC SC SC SC FW FW FW FW SC SC SC SC SC
PoP 12hr                     30          40          30          20          20
QPF 12hr                   0.12        0.13        0.05        0.01        0.03
Rain shwrs        S  C  C  S  C  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S
Obvis                                     H  H  H  H  H  H
Heat index       95100101 98 94 92 90 91 97101102 98 94 92 90 92 97100101 98 93
Max heat         95   101   101    93    97   102   101    94    97   101   101
Heat                 Y  Y


Date          Sun 06/02/24  Mon 06/03/24  Tue 06/04/24  Wed 06/05/24
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          81    88      81    88      81    88      82    89
Temp          81 85 88 83   81 85 88 83   81 85 88 84   82 86 89 84
Dewpt         77 77 78 77   77 78 78 77   77 78 78 77   77 78 79 78
PWind dir         E     E       E    SE      SE    SE      SE     S
Wind char        GN    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC SC B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50    50      30    30      30    20      30    30
Rain shwrs     S  C  C  C    S  C  C  C    C  C  S  S    S  C  C  C
Tstms             S  S

$$