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 Sun Jun 15 2025

PRZ001-160800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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          78
Temp             81 79 77 79 84 88 89 86 81 79 77 79 84 88 89 86 82 80 78 80 85
Dewpt            74 74 74 74 74 75 75 75 74 75 75 74 75 74 75 75 74 74 74 74 74
RH               79 85 90 85 72 66 64 70 79 88 94 85 74 63 64 70 77 82 88 82 70
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 10  8  8  8 13 12 12  9 11 10 10 10 14 16 14 12 11 11 10 13
Clouds           B1 B2 B2 OV B2 B2 OV OV B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1
PoP 12hr                     70          70          40          40          40
QPF 12hr                   0.97        0.57        0.19        0.21        0.09
Rain shwrs        S  L  C  L  L  C  L  L  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms                      S  S     S  S
Obvis             H
Heat index       86          91 98 99 95 86          92 97 99 95 88 84    84 93
Max heat         94    84    91   100    99    85    92    99    99    86    93


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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      78    89      77    89      77    90      77    90
Temp          90 82   78 85 89 81   77 84 89 81   77 85 90 82   77 85 90 82
Dewpt         75 74   74 74 75 75   74 75 75 74   74 75 75 75   74 74 75 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 SC   SC B1 B1 SC   SC SC SC B1   B1 B1 B1 B1   B1 B1 SC SC
PoP 12hr         40      50    50      20    40      40    40      30    30
Rain shwrs     C  C    C  C  C  C    S  S  C  C    C  C  C  C    C  C  C  S
Tstms                     S  S

$$
PRZ002-160800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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          86          79          87          78
Temp             80 78 77 78 82 85 86 84 81 80 79 80 84 86 87 85 81 79 78 79 83
Dewpt            74 74 74 74 74 75 75 74 74 74 74 74 75 75 75 75 74 73 74 74 74
RH               82 88 90 88 77 72 70 72 79 82 85 82 74 70 68 72 79 82 88 85 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         11 11 10  9 13 12 11 11 11 11 11 12 13 14 14 14 13 13 13 16 14
Clouds           B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC B1
PoP 12hr                     70          70          50          50          40
QPF 12hr                   1.37        1.02        0.25        0.18        0.10
Rain shwrs        C  L  L  L  L  L  L  L  C  C  C  C  C  C  S  S  C  C  C  C  C
Tstms                   S  S  S  S  S  S
Obvis                                                       H  H
Heat index       84          88 94 95 91 86 84    84 92 95 96 94 86          90
Max heat         89          88    96    94    86    92    96    96    86    90


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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      78    87      78    86      78    87      78    87
Temp          87 81   78 83 87 81   78 83 86 81   78 83 87 81   78 83 87 82
Dewpt         75 74   74 74 75 74   74 75 75 74   74 75 75 74   74 74 75 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 SC   SC B1 B2 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 SC SC
PoP 12hr         40      60    60      40    40      40    50      40    30
Rain shwrs     C  C    C  L  L  C    C  C  C  C    C  C  C  C    C  C  C  S
Tstms                     S  S

$$
PRZ007-160800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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                      76          90          76          92          76
Temp             81 78 76 78 84 88 90 87 81 78 76 78 86 90 92 88 82 79 76 78 85
Dewpt            73 72 72 71 72 74 75 74 72 72 72 71 72 74 74 73 73 72 71 71 72
RH               77 82 87 79 67 63 62 65 74 82 87 79 63 60 56 61 74 79 85 79 65
Wind dir          E  E NE  E  E  E SE  E  E NE  E  E  E  E  E  E  E  E  E  E  E
Wind spd          6  4  3  6  6 14 16 11  8  6  4  6  9 16 17 13 10  8  8  8 10
Wind gust                       25 26                   26 28
Clouds           B2 B2 B2 B2 B2 B1 SC SC SC SC FW FW FW FW SC SC FW FW FW FW SC
PoP 12hr                     20          40          10          30           5
QPF 12hr                   0.12        0.18        0.03        0.10        0.01
Rain shwrs        S  S  S  S  S     C  C  S  S     S        C  C              S
Obvis             H  H  H  H  H  H        H  H  H  H  H  H        H  H  H  H  H
Heat index       86          90 97101 95 85          92 99102 96 87          91
Max heat         94    84    90   101    99    84    92   102   101    84    91


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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      75    92      75    91      76    91      75    91
Temp          91 81   75 85 92 81   76 85 91 81   76 85 91 81   75 85 91 81
Dewpt         74 72   71 72 74 73   72 72 75 74   71 72 75 73   71 72 74 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   SC FW FW FW   FW SC SC SC   SC SC SC SC   FW FW SC CL
PoP 12hr         20       5     5      20    20      20    30      20    20
Rain shwrs     S  S    S  S     S    S  S  S  S    S  S  C  C       S  S

$$
PRZ008-160800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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          86          76          87          76
Temp             79 77 75 77 82 85 86 84 80 78 76 78 83 86 87 84 80 78 76 78 83
Dewpt            74 74 74 74 74 73 74 74 74 74 75 74 73 74 74 74 73 73 74 74 72
RH               85 90 97 90 77 67 68 72 82 88 97 88 72 68 65 72 79 85 94 88 70
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E
Wind spd         10  6  9 11 12 17 18 19 18 13 12 11 10 10 20 21 21 16 13 13 13
Clouds           SC SC SC SC SC SC OV OV SC CL CL SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr                     20          70          10          40          10
QPF 12hr                   0.09        0.75        0.04        0.23        0.03
Rain shwrs        S  S     S  S     C  L  S        S  S  S  C  C  S  S  S  S  S
Tstms                                  S
Obvis             H  H  H  H  H  H        H  H  H  H  H  H        H  H  H  H  H
Heat index                   88 92 94 91 84          89 94 95 91 84          88
Max heat         87          88    94    94          89    95    95          88


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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    87      75    86      75    86      74    87
Temp          87 79   75 82 87 79   75 82 86 79   75 82 86 78   74 82 87 79
Dewpt         75 74   74 73 74 74   74 73 74 74   74 73 75 74   74 72 74 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      GN    GN      GN    BZ
Avg clouds    SC SC   SC SC SC B1   SC SC SC B1   SC SC B1 B2   SC SC SC SC
PoP 12hr         30      10    50      10    40      30    60      30    30
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  L  L    C  C  C  C
Tstms                        S  S                        S  S

$$
PRZ010-160800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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                      74          91          74          92          73
Temp             79 76 74 77 84 89 91 87 80 77 75 77 85 90 92 87 80 76 74 76 84
Dewpt            75 74 73 73 75 76 78 76 75 75 73 72 75 77 77 76 76 74 73 72 74
RH               88 94 97 87 74 66 66 70 85 94 94 85 72 66 62 70 88 94 97 87 72
Wind dir          E  E NE  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E  E  E  E
Wind spd          1  1  4  5  5  3  5  3  5  2  4  5  3  2  4  2  4  5  5  4  4
Clouds           B1 B1 B2 B1 B1 B1 OV OV FW CL CL CL FW FW B2 B2 SC SC SC SC CL
PoP 12hr                     10          80           5          60           5
QPF 12hr                   0.05        1.21        0.01        1.16        0.02
Rain shwrs        S  S     S        L  D                    L  L  S  S  S  S
Tstms                               S  S
Obvis             H  H  H  H  H  H        H  H  H  H  H  H        H  H  H  H  H
Heat index                   92100106 98 85          94103106 98 86          91
Max heat         96          92   106   105          94   106   105          91


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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          92      73    92      73    91      73    91      73    92
Temp          92 80   74 84 92 80   74 84 91 79   74 84 91 79   74 84 92 79
Dewpt         77 76   73 74 77 76   73 75 78 76   73 75 78 75   73 75 77 75
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   SC SC SC B1   SC SC SC B1   SC SC SC B1   SC FW SC B1
PoP 12hr         40      10    60      10    40      30    60      10    50
Rain shwrs     C  C    S  S  L  L    S  S  C  C    C  C  L  L    S  S  C  C
Tstms          S  S          S  S                        S  S          S  S

$$
VIZ001-160800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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          89          80          89          80
Temp             82 80 79 81 85 88 89 87 83 81 80 81 85 88 89 87 83 81 80 81 85
Dewpt            76 76 75 75 76 75 75 75 76 75 76 76 75 75 76 75 76 76 75 75 76
RH               82 88 88 82 75 66 64 68 80 82 88 85 72 66 66 68 80 85 85 82 75
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 16 18 16 14 14 17 19 18 18 18 18 18 18 18 21 19 21 18
Clouds           B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 SC SC SC SC SC SC SC
PoP 12hr                     60          60          50          50          30
QPF 12hr                   0.42        0.42        0.24        0.14        0.03
Rain shwrs        C  C  L  L  L  L  C  C  C  C  C  C  C  C  S  S  S  S  S  S  C
Tstms                   S  S  S  S
Obvis                                                       H  H  H  H  H  H
Heat index       89 86    87 94 98 99 96 91 87 86 87 94 98100 96 91 87 85 87 94
Max heat         94    89    94   100    99    91    94   100   100    91    94


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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      80    89      79    89      80    89      79    90
Temp          89 83   80 85 89 83   79 85 89 83   80 85 89 83   79 86 90 83
Dewpt         75 76   76 76 76 76   76 75 75 76   75 76 75 75   75 75 76 75
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   SC SC B1 SC   FW SC SC SC   SC SC SC SC   B1 SC SC SC
PoP 12hr         30      40    40      10    30      30    30      30    20
Rain shwrs     C  S    S  C  C  C    S  S  S  C    C  C  C  C    C  C  S  S

$$
VIZ002-160800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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          78
Temp             81 79 77 79 84 87 88 85 81 79 77 79 84 87 88 86 82 80 78 80 84
Dewpt            74 75 75 74 75 75 75 75 74 75 75 74 75 75 75 75 74 75 74 74 74
RH               79 88 94 85 74 68 66 72 79 88 94 85 74 68 66 70 77 85 88 82 72
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         16 16 16 14 17 16 14 14 16 18 17 16 17 18 18 18 18 19 19 19 19
Clouds           B2 B2 OV B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW SC
PoP 12hr                     60          60          30          30          20
QPF 12hr                   0.42        0.34        0.11        0.10        0.02
Rain shwrs        C  C  L  C  L  L  C  C  S  S  S  S  C  C  S  S              S
Tstms                   S     S  S
Obvis                                     H  H  H  H        H  H  H  H  H  H  H
Heat index       86          92 96 98 94 86          92 96 98 95 88 85    84 91
Max heat         93    85    92    99    98    84    92    98    98    86    91


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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      78    88      77    89      78    88      77    88
Temp          88 82   78 84 88 81   77 84 89 82   78 84 88 81   77 84 88 81
Dewpt         75 74   75 75 76 75   74 75 76 74   74 75 75 74   74 75 75 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC FW   CL FW SC SC   B1 B1 SC SC   SC SC SC SC   B1 SC SC FW
PoP 12hr         20      20    40      40    40      30    30      30    20
Rain shwrs     S  S       S  S  C    C  C  C  C    C  C  C  C    C  C  S  S

$$