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 Sun Jun 15 2025

PRZ001-152000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Sun Jun 15 2025

Date             Sun 06/15/25            Mon 06/16/25            Tue 06/17/25
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          77          89          77          89
Temp             83 86 87 85 81 79 77 79 84 88 89 86 81 79 77 79 84 88 89 86 82
Dewpt            74 75 75 75 74 74 74 74 74 75 75 75 74 75 75 74 75 74 75 75 74
RH               74 70 68 72 79 85 90 85 72 66 64 70 79 88 94 85 74 63 64 70 77
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 13 13 12  9  9  8  9  9 13 13 11  9  9  8 10 12 14 17 13 11
Clouds           SC SC SC B2 SC SC B2 B2 B2 B2 OV OV B1 B1 B1 B1 B1 B1 B1 B1 SC
PoP 12hr                     50          70          70          40          40
QPF 12hr                   0.19        0.85        0.41        0.23        0.21
Rain shwrs        S  S  S  C  S  L  C  L  L  L  L  L  C  C  C  C  C  C  C  C  C
Tstms                            S     S  S  S  S  S
Obvis                         H
Heat index       90 95 96 94 86          91 98 99 95 86          92 97 99 95 88
Max heat         90    96    96    84    91   100    99    85    92    99    99


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

$$
PRZ002-152000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Sun Jun 15 2025

Date             Sun 06/15/25            Mon 06/16/25            Tue 06/17/25
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                      84          77          86          79          87
Temp             81 83 84 82 80 78 77 78 82 85 86 84 81 80 79 80 84 86 87 85 81
Dewpt            73 74 75 75 74 74 74 74 74 75 75 74 74 74 74 74 75 75 75 75 74
RH               77 74 74 79 82 88 90 88 77 72 70 72 79 82 85 82 74 70 68 72 79
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 13 13 11 10  9 10  9 11 12 11 10 10 10 11 12 13 16 14 14 12
Clouds           SC B1 SC B2 SC B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC SC SC
PoP 12hr                     40          70          60          50          50
QPF 12hr                   0.26        0.99        0.40        0.30        0.18
Rain shwrs        C  C  C  C  C  L  L  L  L  L  L  L  C  C  C  C  C  C  S  S  C
Tstms                            S  S  S  S  S  S  S
Obvis                                                                   H  H
Heat index       86 90 92 89 84          88 94 95 91 86 84    84 92 95 96 94 86
Max heat         86    92    92          88    96    94    86    92    96    96


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

$$
PRZ007-152000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Sun Jun 15 2025

Date             Sun 06/15/25            Mon 06/16/25            Tue 06/17/25
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          76          90          76          92
Temp             83 87 88 85 81 78 76 78 84 88 90 87 81 78 76 78 86 90 92 88 82
Dewpt            72 74 75 75 73 72 72 71 72 74 75 74 72 72 72 71 72 74 74 73 73
RH               70 65 66 72 77 82 87 79 67 63 62 65 74 82 87 79 63 60 56 61 74
Wind dir          E  E SE  E  E NE NE  E  E  E SE  E  E NE  E  E  E  E  E  E  E
Wind spd          5 13 13 10  6  4  4  4  8 13 13 10  8  5  5  5  8 14 17 11  9
Wind gust                                   24                      25 28
Clouds           CL SC SC SC FW FW SC SC SC B1 SC SC SC SC SC SC FW FW SC SC FW
PoP 12hr                     30          20          40          10          30
QPF 12hr                   0.12        0.12        0.18        0.04        0.10
Rain shwrs           S  S  C  S  S  S  S  S  S  C  C  S  S  S  S        C  C
Obvis                         H  H  H  H  H  H        H  H  H  H              H
Heat index       88 95 98 94 86          90 97101 95 85          92 99102 96 87
Max heat         88    98    98    84    90   101    99    84    92   102   101


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

$$
PRZ008-152000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Sun Jun 15 2025

Date             Sun 06/15/25            Mon 06/16/25            Tue 06/17/25
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                      84          75          86          76          87
Temp             80 83 84 82 79 77 75 77 82 85 86 84 80 78 76 78 83 86 87 84 80
Dewpt            72 73 74 73 74 74 74 74 74 73 74 74 74 74 75 74 73 74 74 74 73
RH               77 72 72 74 85 90 97 90 77 67 68 72 82 88 97 88 72 68 65 72 79
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         14 13 14 11  9  4  8 13 13 14 17 19 18 13 14 11 13 11 19 19 18
Clouds           CL FW SC B2 FW FW FW FW FW SC OV OV SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     60          20          70          10          40
QPF 12hr                   0.50        0.09        0.37        0.06        0.23
Rain shwrs           C  C  L  S  S     S  S  S  C  L  S  S  S  S  S  S  C  C  S
Tstms                      S                       S
Obvis                         H  H  H  H  H  H        H  H  H  H              H
Heat index       84 89 91 87             88 92 94 91 84          89 94 95 91 84
Max heat         84    91    92          88    94    94          89    95    95


Date          Wed 06/18/25  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25
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    87      75    87      75    86      75    86
Temp          76 83 87 79   75 82 87 79   75 82 86 79   75 82 86 78
Dewpt         74 72 75 74   74 73 74 74   74 73 74 74   74 73 75 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    BZ      GN    BZ      BZ    BZ      GN    GN
Avg clouds    SC SC SC SC   SC SC SC B1   SC SC SC B1   SC SC B1 B2
PoP 12hr         10    30      10    50      10    40      30    60
Rain shwrs     S  S  C  C    S  S  C  C    S  S  C  C    C  C  L  L
Tstms                              S  S                        S  S

$$
PRZ010-152000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Sun Jun 15 2025

Date             Sun 06/15/25            Mon 06/16/25            Tue 06/17/25
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          74          91          74          92
Temp             82 86 88 85 79 76 74 77 84 89 91 87 80 77 75 77 85 90 92 87 80
Dewpt            74 75 77 77 75 74 73 73 75 76 78 76 75 75 73 72 75 77 77 76 76
RH               77 70 70 77 88 94 97 87 74 66 66 70 85 94 94 85 72 66 62 70 88
Wind dir          E  E SW  E  E  E NE  E  E  E  W  N  E  E  E  E  E  E  E  E  E
Wind spd          5  2  4  3  2  2  6  6  4  3  2  5  8  6  6  4  3  2  3  3  2
Clouds           CL CL B2 OV CL FW CL CL CL FW OV OV FW FW FW FW FW FW B2 B2 SC
PoP 12hr                     70          10          80           5          60
QPF 12hr                   1.03        0.05        0.91        0.02        1.16
Rain shwrs           C  C  L  S  S     S     S  L  D                    L  L  S
Tstms                      S                    S  S
Obvis                         H  H  H  H  H  H        H  H  H  H              H
Heat index       88 95100 96             92100106 98 85          94103106 98 86
Max heat         88   100    99          92   106   105          94   106   105


Date          Wed 06/18/25  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25
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          73    92      73    92      73    91      73    91
Temp          74 84 92 80   74 84 92 80   74 84 91 79   74 84 91 79
Dewpt         73 74 77 76   73 74 77 76   73 75 78 76   73 75 78 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW SC   SC SC SC B1   SC SC SC B1   SC SC SC B1
PoP 12hr          5    40      10    60      10    40      30    60
Rain shwrs     S  S  C  C    S  S  L  L    S  S  C  C    C  C  L  L
Tstms                S  S          S  S                        S  S

$$
VIZ001-152000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Sun Jun 15 2025

Date             Sun 06/15/25            Mon 06/16/25            Tue 06/17/25
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          79          89          80          89
Temp             84 86 87 85 82 80 79 81 85 88 89 87 83 81 80 81 85 88 89 87 83
Dewpt            75 75 76 76 76 76 75 75 76 75 75 75 76 75 76 76 75 75 76 75 76
RH               74 70 70 75 82 88 88 82 75 66 64 68 80 82 88 85 72 66 66 68 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         19 19 16 16 16 17 14 14 18 16 14 14 14 17 16 17 18 19 18 19 19
Clouds           SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 SC SC SC
PoP 12hr                     50          70          60          50          50
QPF 12hr                   0.19        1.00        0.36        0.28        0.14
Rain shwrs        C  C  S  C  C  C  L  L  L  C  C  C  C  C  C  C  C  C  S  S  S
Tstms                               S  S  S
Obvis                   H                                               H  H  H
Heat index       92 95 98 94 89 86    87 94 98 99 96 91 87 86 87 94 98100 96 91
Max heat         92    98    99    89    94   100    99    91    94   100   100


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

$$
VIZ002-152000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Sun Jun 15 2025

Date             Sun 06/15/25            Mon 06/16/25            Tue 06/17/25
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          88
Temp             82 85 86 84 81 79 77 79 84 87 88 85 81 79 77 79 84 87 88 86 82
Dewpt            75 76 77 76 74 75 75 74 75 75 75 75 74 75 75 74 75 75 75 75 74
RH               79 75 75 77 79 88 94 85 74 68 66 72 79 88 94 85 74 68 66 70 77
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 18 16 16 13 14 12 13 14 16 14 13 13 16 16 16 19 19 18 19 19
Clouds           B1 B2 SC SC B2 B2 B2 SC SC SC B1 B1 SC SC SC SC SC SC SC SC FW
PoP 12hr                     50          60          40          30          30
QPF 12hr                   0.22        0.35        0.22        0.12        0.10
Rain shwrs        C  C  C  S  C  C  L  C  C  C  C  C  S  S  S  S  C  C  S  S
Tstms                               S
Obvis                      H                          H  H  H  H        H  H  H
Heat index       89 94 97 93 86          92 96 98 94 86          92 96 98 95 88
Max heat         89    97    97    85    92    99    98    84    92    98    98


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

$$