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 Sat Jun 14 2025

PRZ001-150800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Sat Jun 14 2025

Date           06/14/25      Sun 06/15/25            Mon 06/16/25            Tue
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          89          77          89          77
Temp             81 78 76 78 84 88 89 86 81 79 77 79 84 88 89 86 81 79 77 79 84
Dewpt            72 73 72 72 73 73 74 73 74 75 74 74 74 75 75 75 74 75 75 74 75
RH               74 85 87 82 70 61 61 65 79 88 90 85 72 66 64 70 79 88 94 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         10  9  9 10 11 13 13 12 10  9  9  9  9 10 10 10  8  8 10  9 11
Clouds           SC B1 B2 B2 SC SC SC B2 SC SC B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2
PoP 12hr                     50          50          60          70          60
QPF 12hr                   0.20        0.12        0.47        0.40        0.33
Rain shwrs        C  C  C  C  S  C  S  C  S  C  C  L  L  L  L  L  C  C  C  C  L
Tstms                                              S  S  S  S  S              S
Heat index       85          90 96 98 93 86          91 98 99 95 86          92
Max heat         93    84    90    98    98    85    91    99    99    85    92


Date           06/17  Wed 06/18/25  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25
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    90      77    90      77    90
Temp          89 81   77 84 89 81   77 85 90 82   77 85 90 82   77 85 90 82
Dewpt         75 74   74 74 74 74   74 74 75 75   74 75 75 74   74 75 75 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2   OV B2 B2 B2   B2 B1 SC SC   FW FW SC B1   B2 B1 B1 B1
PoP 12hr         70      70    60      50    30       0    50      50    40
Rain shwrs     L  L    L  L  L  C    C  C  C  C          C  C    C  C  C  C
Tstms          S  S    S  S  S  S    S  S                   S    S  S  S

$$
PRZ002-150800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Sat Jun 14 2025

Date           06/14/25      Sun 06/15/25            Mon 06/16/25            Tue
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          87          78          86          78
Temp             80 78 77 79 83 86 87 85 81 79 78 79 83 85 86 84 81 79 78 79 83
Dewpt            72 72 72 71 72 74 74 73 73 74 74 74 74 75 75 75 74 74 75 74 74
RH               77 82 85 77 70 68 65 67 77 85 88 85 74 72 70 74 79 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 11 11 10 13 13 13 11 10 10 10  9  9  9 10 11 11 10 11 11 12
Clouds           B1 B1 B2 B2 SC B1 SC B2 SC B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     50          50          70          60          60
QPF 12hr                   0.21        0.19        0.67        0.39        0.35
Rain shwrs        C  C  C  C  C  C  C  C  C  L  L  L  L  L  L  L  L  L  L  L  L
Tstms                                        S  S  S  S  S  S  S  S  S  S  S  S
Heat index       84          88 94 95 92 86          90 94 95 92 86          90
Max heat         90    84    88    95    95    86    90    95    95    84    90


Date           06/17  Wed 06/18/25  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25
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      79    87      78    87      79    87
Temp          87 82   79 84 87 82   79 84 87 81   78 83 87 82   79 84 87 81
Dewpt         75 74   74 74 75 74   74 74 75 75   74 75 75 74   74 75 75 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2   OV B2 B2 B1   B2 B1 SC SC   SC SC SC B1   B2 B1 B1 B2
PoP 12hr         70      70    60      50    30      10    50      50    50
Rain shwrs     L  L    L  L  L  C    C  C  C  C    S  S  C  C    C  C  C  C
Tstms          S  S    S  S  S  S    S  S                   S    S  S  S  S

$$
PRZ007-150800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Sat Jun 14 2025

Date           06/14/25      Sun 06/15/25            Mon 06/16/25            Tue
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          90          76          91          76
Temp             80 77 75 77 84 88 90 87 81 78 76 78 85 89 91 87 81 78 76 78 85
Dewpt            68 69 69 69 71 72 74 73 72 72 71 71 73 75 74 74 73 72 72 71 72
RH               67 76 82 76 65 59 60 63 74 82 85 79 67 64 58 65 77 82 87 79 65
Wind dir          E NE NE NE  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          8  5  5  4  6 17 14 11  8  6  4  5  8 12 13 12  6  4  4  6  8
Wind gust                       27 25                      24
Clouds           FW FW CL FW CL SC SC SC FW FW SC SC B1 B1 SC SC SC SC SC SC B1
PoP 12hr                      5          30          40          40          40
QPF 12hr                   0.02        0.07        0.10        0.22        0.10
Rain shwrs        S              S  S  C        S  C  C  C  C  C  S  S  S  S  C
Obvis                                                             H  H  H  H
Heat index       83          89 95 99 94 85          92 99101 95 86          91
Max heat         90          89    99    98    84    92   101    99    84    91


Date           06/17  Wed 06/18/25  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25
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    92      75    91      76    90
Temp          91 81   76 85 91 81   76 86 92 81   76 85 91 81   76 84 90 80
Dewpt         75 72   71 72 73 72   71 72 75 72   71 72 75 73   72 73 75 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B1 SC   SC SC SC SC   SC FW FW FW   FW FW SC SC   SC SC SC SC
PoP 12hr         40      10    30      10     0      10    30      30    30
Rain shwrs     C  C    S  S  C  C    S  S             S  S  C    C  C  C  C

$$
PRZ008-150800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Sat Jun 14 2025

Date           06/14/25      Sun 06/15/25            Mon 06/16/25            Tue
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          86          75          86          76
Temp             78 76 74 76 81 85 86 83 79 77 75 77 82 85 86 84 80 78 76 78 83
Dewpt            72 72 72 72 72 72 73 73 73 73 74 74 74 74 74 74 74 74 75 74 74
RH               82 87 93 87 74 65 65 72 82 87 97 90 77 70 68 72 82 88 97 88 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         18 17 13 11 12 13 14 11 13 10 10 11 13 17 18 17 11 12 12 11 13
Clouds           SC SC CL SC CL FW SC B2 FW FW FW FW SC SC OV OV SC SC SC SC SC
PoP 12hr                     10          60          10          70          30
QPF 12hr                   0.03        0.53        0.02        0.67        0.09
Rain shwrs        S  S     S        S  L              S  S  L  L  S  S  S  S  C
Tstms                                  S                    S  S
Obvis                                                             H  H  H  H
Heat index                   85 91 93 89             88 93 94 91 84          90
Max heat         88          85    93    93          88    94    94          90


Date           06/17  Wed 06/18/25  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25
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      76    87      75    87      75    87      75    87
Temp          87 80   76 83 87 79   75 82 87 79   75 82 87 79   75 82 87 79
Dewpt         75 74   74 73 74 73   74 73 75 74   74 73 75 74   74 73 75 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      GN    BZ      GN    BZ      GN    BZ      GN    GN
Avg clouds    B1 B1   B1 B1 B1 B1   SC SC FW SC   SC SC SC B2   B2 B1 B1 B2
PoP 12hr         50      40    60      20    40      10    70      50    60
Rain shwrs     C  C    C  C  L  L    S  S  C  C    S  S  L  L    C  C  L  L
Tstms          S  S          S  S                        S  S    S  S  S  S

$$
PRZ010-150800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Sat Jun 14 2025

Date           06/14/25      Sun 06/15/25            Mon 06/16/25            Tue
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                      73          90          74          91          74
Temp             79 76 74 76 83 88 90 86 80 77 74 77 84 89 91 87 80 77 75 77 84
Dewpt            73 73 71 70 73 74 76 76 75 74 73 72 75 77 77 77 75 74 73 72 75
RH               82 90 90 82 72 63 64 72 85 90 97 85 74 68 64 72 85 90 94 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          6  5  4  4  3  2  4  3  3  2  3  5  6  5  4  3  3  4  8  5  4
Clouds           SC FW CL CL CL CL B2 OV CL FW CL CL FW FW OV OV SC SC SC SC SC
PoP 12hr                     10          70           5          90          10
QPF 12hr                   0.01        1.08        0.01        1.19        0.03
Rain shwrs        S  S              C  L                    D  D  S  S  S  S  S
Tstms                                  S                    S  S
Obvis                                                             H  H  H  H  H
Heat index                   89 97102 96 85          92102105 99 85          92
Max heat         96          89   102   100          92   105   103          92


Date           06/17  Wed 06/18/25  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25
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      74    91      74    92      73    91      74    91
Temp          91 80   75 84 91 80   75 85 92 80   74 84 91 80   75 84 91 79
Dewpt         78 75   73 74 77 75   72 74 78 75   73 75 78 76   73 75 78 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 B2   SC SC SC B2   SC SC SC B1   SC SC SC B2   B2 B1 SC B1
PoP 12hr         70      30    70      20    60      10    60      60    60
Rain shwrs     L  L    C  C  L  L    S  S  L  L    S  S  L  L    L  L  L  L
Tstms          S  S          S  S          S  S          S  S    S  S  S  S

$$
VIZ001-150800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Sat Jun 14 2025

Date           06/14/25      Sun 06/15/25            Mon 06/16/25            Tue
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          79          89          80
Temp             83 81 79 81 85 88 89 87 83 81 79 81 85 88 89 87 83 81 80 81 85
Dewpt            74 74 74 73 74 74 75 75 75 75 76 75 76 75 76 75 76 77 76 75 76
RH               74 79 85 77 70 63 64 68 77 82 91 82 75 66 66 68 80 88 88 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         18 18 17 17 18 17 16 16 16 17 16 16 16 14 14 14 14 17 16 18 17
Clouds           SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     30          50          60          60          60
QPF 12hr                   0.11        0.14        0.64        0.34        0.28
Rain shwrs        S  C  S  C  C  C  S  C  C  L  L  L  C  C  C  C  L  L  L  L  C
Tstms                                        S  S  S              S  S  S  S  S
Heat index       90 86    86 93 97 99 96 90 87    87 94 98100 96 91 88 86 87 94
Max heat         95    87    93    99    99    89    94   100   100    91    94


Date           06/17  Wed 06/18/25  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25
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      79    89      79    89
Temp          89 83   80 85 89 83   79 85 89 83   79 85 89 83   79 85 89 83
Dewpt         76 76   76 75 76 75   75 76 76 75   75 76 76 76   76 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    B1 B1   B1 B1 B1 B1   SC SC SC SC   FW FW SC B1   B1 B1 SC SC
PoP 12hr         50      50    50      20    30      10    40      40    40
Rain shwrs     C  C    C  C  C  C    S  S  C  C       S  C  C    C  C  C  C
Tstms          S          S  S

$$
VIZ002-150800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Sat Jun 14 2025

Date           06/14/25      Sun 06/15/25            Mon 06/16/25            Tue
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          87          77          88          78
Temp             81 79 77 79 83 86 87 85 81 79 77 79 84 87 88 86 82 80 78 80 84
Dewpt            72 73 73 73 74 75 75 75 75 75 74 74 75 76 75 75 74 74 75 74 75
RH               74 82 87 82 74 70 68 72 82 88 90 85 74 70 66 70 77 82 91 82 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         16 16 14 14 17 17 16 16 14 14 12 12 13 14 16 16 14 16 13 14 18
Clouds           SC SC B1 SC B1 B2 SC SC B2 B2 B2 SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr                     40          60          60          40          30
QPF 12hr                   0.14        0.21        0.40        0.19        0.13
Rain shwrs        C  S  C  S  C  C  C  C  L  L  L  C  S  S  C  C  C  C  C  C  C
Tstms                                     S  S  S
Heat index       85          90 95 96 94 87          92 98 98 95 88 84    84 92
Max heat         91    84    90    96    96    85    92    98    98    86    92


Date           06/17  Wed 06/18/25  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25
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    89      78    88      77    88      77    88
Temp          88 82   78 85 89 82   78 84 88 81   77 84 88 81   77 84 88 81
Dewpt         75 74   73 74 75 74   74 75 76 75   74 75 76 75   75 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 SC   SC SC SC SC   FW FW SC SC   SC SC SC SC   B1 B1 SC SC
PoP 12hr         30      30    30      10    20      20    40      40    40
Rain shwrs     C  C    S  C  C  C       S  S  S    S  S  S  C    C  C  C  C

$$