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 Jun 16 2025

PRZ001-170800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Mon Jun 16 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            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          90          77          90          77
Temp             81 79 77 79 85 89 90 87 82 79 77 79 85 89 90 87 82 79 77 79 84
Dewpt            75 75 74 73 74 75 75 75 75 74 74 74 74 75 75 75 75 75 75 74 74
RH               82 88 90 82 70 64 62 68 79 85 90 85 70 64 62 68 79 88 94 85 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         11 11 10 11 12 16 16 13 10 11 11 11 12 14 18 14 11 11 12 11 11
Clouds           SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     30          30          30          30          40
QPF 12hr                   0.09        0.07        0.09        0.08        0.08
Rain shwrs        S  S  C  S  S  C  S     S  C  C  C  S  S  S  S  C  C  C  C  C
Tstms
Obvis             H  H     H  H     H  H  H           H  H  H  H
Heat index       87          92 99101 96 88 83       93 98101 96 88 83       91
Max heat         95    86    92   101   100    86    93   101   100    86    91


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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      77    89      77    89      77    90      76    90
Temp          89 81   77 84 89 81   77 84 89 81   77 85 90 81   76 84 90 81
Dewpt         75 74   74 74 75 74   74 74 75 74   74 74 74 74   74 75 76 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 SC   SC SC SC B1   SC SC SC SC   SC SC SC SC   FW FW SC SC
PoP 12hr         40      10    40      30    30      30    20      10    20
Rain shwrs     C  C    S  S  C  C    C  C  C  C    C  C  S  S       S  S  S

$$
PRZ002-170800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Mon Jun 16 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            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          87          79          87          78
Temp             81 80 79 80 84 86 87 85 82 80 79 80 84 86 87 85 81 79 78 79 83
Dewpt            74 74 74 73 74 75 75 74 74 73 74 74 74 75 75 75 75 74 75 74 74
RH               79 82 85 79 72 70 68 70 77 79 85 82 72 70 68 72 82 85 91 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 12 11 12 14 17 14 13 12 12 13 13 13 16 14 14 12 13 13 13 13
Clouds           SC SC SC SC SC SC SC CL SC SC SC SC SC SC SC SC SC SC SC SC B2
PoP 12hr                     30          30          30          30          50
QPF 12hr                   0.10        0.07        0.09        0.07        0.09
Rain shwrs        C  C  C  S  S  C  S     S  C  C  C  S  S  S  S  C  C  C  C  C
Tstms
Obvis                      H  H     H  H  H           H  H  H  H
Heat index       87 85 83 84 91 95 96 93 88 85 83 85 91 95 96 93 87 84    83 90
Max heat         92    86    91    96    96    87    91    97    96    86    90


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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      79    87      78    86      78    87      79    87
Temp          87 82   79 84 87 81   78 83 86 81   78 83 87 82   79 84 87 82
Dewpt         75 74   74 74 76 74   74 74 75 74   74 74 75 74   74 75 76 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 SC SC   SC SC B1 B1
PoP 12hr         50      40    40      40    40      40    30      40    60
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  C  S    S  C  C  L
Tstms                                                                     S

$$
PRZ007-170800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Mon Jun 16 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            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          92          76          92          76
Temp             82 79 77 79 86 90 92 88 82 79 76 78 86 90 92 88 82 79 76 78 85
Dewpt            73 72 72 71 72 74 73 73 72 72 71 70 69 68 68 69 69 69 69 70 71
RH               74 79 85 77 63 60 54 61 72 79 85 76 57 49 46 54 65 72 79 76 63
Wind dir          E NE NE NE  E  E  E  E  E NE NE  E  E  E  E  E  E  E  E  E  E
Wind spd          9  5  6  5  9 17 17 12  6  6  5  6 10 16 17 13  9  6  5  6  8
Wind gust                       28 28                   27 28 24
Clouds           SC SC FW FW FW SC FW SC SC CL SC SC FW FW SC SC SC SC SC SC FW
PoP 12hr                     10          10           5          20           5
QPF 12hr                   0.02        0.03        0.02        0.04        0.01
Rain shwrs        S  S           S     S  S     S  S        S  S  S  S  S  S
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       87 82    82 92100101 96 86          90 94 96 92 85          90
Max heat         96    85    92   101   100    85    90    96    96    83    90


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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      76    91      76    91      76    91      76    91
Temp          91 81   76 85 91 81   76 85 91 81   76 85 91 81   76 85 91 81
Dewpt         74 72   71 72 75 73   71 72 75 73   71 70 69 69   69 72 75 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    FW FW   FW SC SC SC   SC SC SC SC   SC SC FW FW   SC SC SC SC
PoP 12hr          5      20    20      20    30       5    10      20    30
Rain shwrs        S    S  S  S  S    S  S  C  C    S  S  S  S    S  S  C  C

$$
PRZ008-170800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Mon Jun 16 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            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                      76          87          76          87          76
Temp             80 78 76 78 83 86 87 84 80 78 76 78 83 86 87 84 80 78 76 78 83
Dewpt            74 73 74 74 73 74 74 73 74 74 74 74 73 74 75 74 74 74 74 74 73
RH               82 85 94 88 72 68 65 70 82 88 94 88 72 68 68 72 82 88 94 88 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         17 17 17 13  9 13 21 21 21 14 13 13 16 13 19 18 17 16 14 12 16
Clouds           SC SC FW SC SC FW SC B1 SC CL SC SC FW FW SC SC SC SC SC SC FW
PoP 12hr                     10          40          10          20          10
QPF 12hr                   0.03        0.82        0.03        0.06        0.02
Rain shwrs        S  S     S  S  S  C  C  S     S  S        S  S  S  S  S  S
Tstms
Obvis             H  H  H  H  H  H        H  H  H  H  H  H  H  H
Heat index       84          88 94 95 91 84          88 93 96 92 84          88
Max heat         90          88    95    95    83    88    96    95    83    88


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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    86      75    86      74    86      74    87
Temp          87 79   75 82 86 79   75 82 86 78   74 81 86 78   74 82 87 79
Dewpt         74 74   74 73 75 74   74 73 74 74   74 73 74 74   74 73 75 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      GN    BZ      GN    BZ      BZ    BZ
Avg clouds    SC B1   FW FW SC B1   SC SC SC B2   SC SC SC SC   FW FW SC B1
PoP 12hr         50       5    50      30    60      30    30       0    60
Rain shwrs     C  C          C  C    C  C  L  L    C  C  C  C          L  L
Tstms                                      S  S                        S  S

$$
PRZ010-170800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Mon Jun 16 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            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                      74          92          74          92          73
Temp             80 77 75 77 85 90 92 88 80 77 75 77 85 90 92 87 80 76 74 76 84
Dewpt            75 75 73 73 74 76 78 76 75 74 72 72 74 76 77 76 75 74 73 72 74
RH               85 94 94 87 70 64 64 68 85 90 90 85 70 64 62 70 85 94 97 87 72
Wind dir          E NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          2  5  8  6  3  3  2  4  8  9  6  5  5  2  4  2  2  5  4  6  5
Clouds           FW CL CL FW FW CL B1 B2 FW CL CL CL CL CL B1 B1 SC SC SC SC FW
PoP 12hr                      5          50           5          30          10
QPF 12hr                   0.01        1.17        0.01        0.07        0.02
Rain shwrs                          C  C                    C  C  S  S  S  S
Tstms                                  S
Obvis             H  H  H  H  H  H        H  H  H  H  H  H
Heat index       85          92102107 98 85          92102106 98 84          92
Max heat         97          92   107   106    83    92   106   105          92


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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    92      73    92      73    92
Temp          92 80   74 84 92 80   74 84 92 80   74 84 92 80   74 84 92 80
Dewpt         77 76   73 74 78 76   73 74 77 76   73 74 77 75   73 75 77 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1   SC FW SC B1   SC SC SC B1   SC FW SC SC   FW FW SC B1
PoP 12hr         50       5    50      30    60      10    50       5    60
Rain shwrs     C  C    S  S  C  C    C  C  L  L    S  S  C  C          L  L
Tstms                                      S  S                        S  S

$$
VIZ001-170800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Mon Jun 16 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            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                      80          90          80          90          80
Temp             83 81 80 82 86 89 90 88 84 82 80 82 86 89 90 88 84 82 80 81 85
Dewpt            75 75 75 75 75 75 75 75 75 75 75 75 76 75 76 76 76 76 75 75 76
RH               77 82 85 79 70 64 62 66 74 79 85 79 72 64 64 68 77 82 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         19 18 18 18 19 18 18 17 18 20 19 19 20 19 17 19 19 20 20 19 18
Clouds           SC SC SC SC FW FW SC FW SC FW SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     30          20          20          20          30
QPF 12hr                   0.07        0.04        0.07        0.06        0.04
Rain shwrs        C  C  C  S  S     S     S  S  S  S  S  S  S  S  S  S  S  S  C
Obvis                      H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       91 88 85 88 95 99101 97 91 88 85 88 96 99101 98 92 88 85 87 95
Max heat         96    90    95   102   100    90    96   101   101    90    95


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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      79    89      80    89      79    89      79    90
Temp          89 83   79 85 89 83   80 85 89 83   79 85 89 83   79 86 90 83
Dewpt         75 76   75 76 76 76   75 76 76 76   75 75 75 76   75 76 76 76
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   FW SC SC SC   SC SC SC SC   CL FW SC SC   SC SC SC B1
PoP 12hr         30      10    30      30    30       5    20      20    60
Rain shwrs     C  C    S  S  S  C    C  C  C  S          S  S    S  S  S  L
Tstms                                                                     S

$$
VIZ002-170800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Mon Jun 16 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            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                      78          88          78          88          78
Temp             82 80 78 80 84 87 88 86 82 80 78 80 84 87 88 86 82 80 78 80 84
Dewpt            73 74 74 73 74 75 75 74 74 74 73 74 74 75 75 74 74 75 74 74 74
RH               74 82 88 79 72 68 66 68 77 82 85 82 72 68 66 68 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         17 17 17 17 17 18 18 17 18 18 18 18 19 18 18 17 18 19 18 19 18
Clouds           SC SC SC SC FW CL SC CL SC FW SC SC SC SC SC SC CL CL CL CL SC
PoP 12hr                     20          20          10          20           5
QPF 12hr                   0.03        0.03        0.04        0.04           0
Rain shwrs        S  S  S  S        S     S  S  S  S  S  S  S  S              S
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index       87 84    83 91 96 98 93 87 84    84 91 96 97 94 87 84    83 91
Max heat         93    86    91    98    97    86    91    97    97    86    91


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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      77    88      78    88      77    88      77    88
Temp          88 81   77 84 88 82   78 84 88 81   77 84 88 81   77 84 88 81
Dewpt         75 74   75 75 76 74   74 75 75 74   74 74 75 74   74 75 76 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 SC   B1 B1 B1 B1   SC SC SC SC   CL FW SC SC   SC B1 B1 SC
PoP 12hr         40      40    40      30    30       5    30      40    50
Rain shwrs     S  C    C  C  C  C    S  C  C  S       S  S  C    C  C  C  C

$$