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 Nov 16 2025

PRZ001-162000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Sun Nov 16 2025

Date             Sun 11/16/25            Mon 11/17/25            Tue 11/18/25
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          89          76          88
Temp             82 87 88 81 78 76 75 74 81 88 89 83 80 78 77 76 82 87 88 82 79
Dewpt            71 71 72 71 72 71 71 71 72 73 73 72 73 73 72 72 73 74 74 73 73
RH               69 59 59 72 82 85 87 90 74 61 59 70 79 85 85 87 74 65 63 74 82
Wind dir          S SE NE  E  S  S  S  N  S  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          3  3  6  5  4  6  4  3  3  5  9 10  8  8  6  6  6 11 12 10  9
Clouds           FW FW SC B1 B1 FW FW FW CL CL SC SC B2 SC SC SC SC SC SC SC B2
PoP 12hr                     40          40          50          50          50
QPF 12hr                   0.19        0.04        0.11        0.11        0.09
Rain shwrs              S  C  C                 S  C  C  C  C  C  S  S  C  C  C
Tstms                                                 S                       S
Heat index       86 92 94 85             85 95 96 88 84          87 95 96 87
Max heat         86    94    92          85    97    94    83    87    97    94


Date          Wed 11/19/25  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25
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          75    87      75    87      75    87      75    87
Temp          76 81 87 79   76 81 87 79   76 81 87 79   76 81 87 79
Dewpt         73 73 73 72   72 72 72 72   71 71 71 71   70 70 71 71
PWind dir         E     E       E    NE      NE    NE      NE    NE
Wind char        GN    GN      LT    GN      LT    GN      GN    GN
Avg clouds    B2 B1 B1 B2   B2 B1 B1 B1   SC SC SC SC   SC SC SC SC
PoP 12hr         50    50      50    40      30    30      30    30
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  S
Tstms          S  S  S  S    S  S

$$
PRZ002-162000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Sun Nov 16 2025

Date             Sun 11/16/25            Mon 11/17/25            Tue 11/18/25
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          75          87          76          86
Temp             79 85 86 81 78 77 76 75 81 86 87 82 79 78 77 76 81 85 86 81 78
Dewpt            73 72 72 72 72 73 72 72 74 74 74 74 74 74 74 74 75 76 76 75 75
RH               82 65 63 74 82 87 87 90 79 68 65 77 85 88 90 94 82 75 72 82 91
Wind dir         SW  S  S  S SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E
Wind spd          2  4  6  4  4  6  8  5  4  6  6  6  9  9  8  8  6  9  9  8  8
Clouds           SC SC SC SC SC FW B1 SC SC SC CL SC SC B1 SC SC SC SC B1 B1 B1
PoP 12hr                     20          40          30          40          40
QPF 12hr                   0.04        0.07        0.11        0.12        0.12
Rain shwrs        S  S  S  S  S     C  C  S  S     C  C  C  C  C  C  C  C  C  C
Tstms
Heat index          91 92 85             86 94 95 87 83          86 95 95 86
Max heat               92    90          86    95    93          86    96    93


Date          Wed 11/19/25  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25
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          75    85      75    85      75    85      75    85
Temp          76 80 85 78   76 80 85 78   76 80 85 78   76 80 85 78
Dewpt         74 75 74 74   73 74 74 73   72 73 73 73   72 72 73 71
PWind dir         E    NE      NE    NE      NE    NE      NE    NE
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B1 B2   B2 B1 B1 SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50    50      50    40      30    30      30    30
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C    S  C  C  S
Tstms          S  S  S  S    S  S

$$
PRZ007-162000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Sun Nov 16 2025

Date             Sun 11/16/25            Mon 11/17/25            Tue 11/18/25
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          73          87          73          88
Temp             80 86 87 80 77 75 74 73 80 86 87 80 77 75 74 73 80 87 88 81 78
Dewpt            70 69 68 68 68 68 68 68 69 70 70 71 70 70 69 69 69 70 71 72 71
RH               72 57 53 67 74 79 82 84 69 59 57 74 79 84 84 87 69 57 57 74 79
Wind dir         NE SE  S SE NE NE NE NE NE SE SE  E NE NE NE NE NE  E  E  E NE
Wind spd          2  3  5  4  3  3  4  4  4  8  8  4  3  4  4  2  4 11 11  8  6
Clouds           SC SC SC SC SC FW SC B1 SC SC CL SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          40          20          20          30
QPF 12hr                   0.19        0.11        0.03        0.03        0.11
Rain shwrs        S  S  S  S  S     S  C  S  S     S  S  S  S  S  S  S  C  C  S
Heat index       82 90 90 83             82 90 91 83             83 92 93 85
Max heat         82    91    88          82    92    90          83    94    92


Date          Wed 11/19/25  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25
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    88      73    88      72    88      72    87
Temp          74 80 88 78   74 80 88 77   73 80 88 77   73 79 87 76
Dewpt         70 71 71 70   69 68 67 68   68 68 67 68   67 67 67 69
PWind dir        NE     E      NE    NE      NE     E      NE     E
Wind char        LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    SC FW SC B1   CL FW FW SC   FW FW FW SC   FW FW FW SC
PoP 12hr         10    60       0    40       5    30       0    30
Rain shwrs     S  S  L  L          C  C          C  C          C  C
Tstms                S  S

$$
PRZ008-162000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Sun Nov 16 2025

Date             Sun 11/16/25            Mon 11/17/25            Tue 11/18/25
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          72          84          73          85
Temp             78 83 84 78 76 74 73 72 78 83 84 79 76 75 74 73 79 84 85 79 77
Dewpt            71 72 73 72 71 71 70 68 71 73 73 72 73 72 72 72 73 74 75 74 73
RH               79 70 70 82 85 90 90 87 79 72 70 79 90 90 93 97 82 72 72 85 87
Wind dir          S SW SW  E  E SE SE SE SE NE  N NE NE  E  E  E  E  E NE  E  E
Wind spd          4  5  6  2  4  6  5  3  2  4  8  6  9 12 11 11 11 14 13 11 16
Clouds           SC SC B2 B2 B2 FW FW FW CL SC SC B2 SC SC SC SC FW FW B1 B1 SC
PoP 12hr                     60          50          50          30          40
QPF 12hr                   0.53        0.27        0.24        0.08        0.23
Rain shwrs        S  S  L  C  C              S  S  C  C  S  S  S        C  C  S
Tstms                   S  S  S                    S
Heat index          88 90                   88 90                   91 93
Max heat               90    87                90    88                93    90


Date          Wed 11/19/25  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25
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    84      73    85      73    84      73    85
Temp          74 78 84 76   74 79 85 77   74 78 84 76   74 79 85 77
Dewpt         72 73 75 73   72 73 74 72   71 72 73 72   70 71 72 71
PWind dir         E     E       E    NE       E    NE      NE    NE
Wind char        BZ    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   CL FW SC SC   SC SC FW FW   SC SC SC SC
PoP 12hr         20    30      10    20      20    20      20    20
Rain shwrs     S  S  C  C       S  S  S    S  S     S    S  S  S  S

$$
PRZ010-162000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Sun Nov 16 2025

Date             Sun 11/16/25            Mon 11/17/25            Tue 11/18/25
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                      89          71          90          72          90
Temp             79 87 88 80 76 74 72 71 80 88 89 81 77 75 73 72 80 88 89 81 77
Dewpt            72 75 75 73 72 71 70 70 73 74 75 74 73 73 72 72 73 76 76 76 74
RH               79 68 66 79 87 90 93 97 79 63 64 79 87 94 97100 79 68 66 85 90
Wind dir         SE  S SW  E  E  E  E  E NE NW NW NE NE  E  E  E  E  E NE  E NE
Wind spd          4  4  8  3  3  4  4  4  4  3  8  8  9  9  6  5  5  2  3  3  9
Clouds           SC SC B2 SC B1 FW FW FW CL CL SC B2 SC CL FW FW FW FW OV OV B2
PoP 12hr                     50          40          60          20          70
QPF 12hr                   0.32        0.08        0.45        0.02        0.79
Rain shwrs        C  S  C  S  C                 S  L  S                 L  L  C
Tstms                   S                          S                    S  S  S
Heat index       83 97 98 84             84 97100 86             85 99101 87
Max heat         83    99    95          84   100    97          85   102    98


Date          Wed 11/19/25  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25
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          71    90      71    90      71    90      70    90
Temp          72 80 89 77   72 80 89 77   72 80 89 76   71 79 89 77
Dewpt         72 74 76 73   71 73 75 72   71 73 74 72   70 72 73 71
PWind dir         E    NE      NE    NE      NE    NE      NE    NE
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 FW SC SC   CL FW FW SC   FW FW FW SC   SC FW FW SC
PoP 12hr         50    50       0    30       5    20       5    30
Rain shwrs     C  S  C  C          C  C          S  S    S  S  C  C
Tstms          S     S  S

$$
VIZ001-162000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Sun Nov 16 2025

Date             Sun 11/16/25            Mon 11/17/25            Tue 11/18/25
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          88          79          88
Temp             81 86 87 83 81 80 80 79 83 87 88 84 82 80 80 79 83 87 88 84 82
Dewpt            73 74 73 73 72 74 74 74 75 76 75 75 74 76 75 75 76 77 76 76 75
RH               77 68 63 72 74 82 82 85 77 70 66 74 77 88 85 88 80 72 68 77 79
Wind dir          S  S  S SE SE SE SE SE  E SE SE  E  E  E  E  E  E  E  E  E  E
Wind spd          4  8  5  4  9 11 12 10  9  9  8 10 13 14 16 14 13 14 13 14 16
Clouds           SC SC SC SC SC SC SC B1 SC CL CL SC SC B1 SC SC SC SC SC SC SC
PoP 12hr                     30          40          30          40          30
QPF 12hr                   0.04        0.09        0.07        0.09        0.06
Rain shwrs        C  S  S  S  S  S  C  C  S        S  C  C  S  S  S  S  C  C  C
Tstms
Heat index       86 94 94 89 86 85 84    90 97 97 91 88 86 84    92 98 98 92 88
Max heat         86    95    93    86    90    98    96    87    92    99    97


Date          Wed 11/19/25  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25
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          79    88      78    88      79    87      79    87
Temp          80 83 88 81   79 83 88 82   80 83 87 81   80 83 87 81
Dewpt         75 76 76 75   74 74 74 74   73 73 74 73   72 73 73 73
PWind dir         E     E      NE    NE      NE    NE      NE    NE
Wind char        BZ    GN      BZ    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B2 B2   B2 B1 B1 B1   SC SC FW FW   SC SC SC SC
PoP 12hr         50    50      50    40      20    10      10    20
Rain shwrs     C  C  C  C    C  C  C  C    S  S  S  S    S  S  S  S
Tstms             S  S  S    S  S

$$
VIZ002-162000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Sun Nov 16 2025

Date             Sun 11/16/25            Mon 11/17/25            Tue 11/18/25
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          76          87          76          87
Temp             79 86 87 82 79 78 77 76 81 86 87 82 79 78 77 76 81 86 87 81 79
Dewpt            72 72 72 72 72 73 73 73 75 74 75 74 74 74 75 75 76 75 75 74 75
RH               79 63 61 72 79 85 87 90 82 68 68 77 85 88 94 97 85 70 68 79 88
Wind dir         SE SE SE  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E  E
Wind spd          4  6  5  5  8 10 10  9  8 10  9  9 10 12 12 11 11 14 14 13 13
Clouds           SC SC SC SC SC SC B1 B1 SC SC B1 B1 B1 B2 SC SC SC SC SC SC SC
PoP 12hr                     30          40          40          50          30
QPF 12hr                   0.04        0.11        0.12        0.12        0.05
Rain shwrs        C  C  S  S  S  S  C  C  S  S  C  C  C  C  C  C  C  C  S  S  S
Tstms                                           S  S
Heat index       82 92 93 86 83          87 94 95 87 83          87 95 95 86
Max heat         82    94    92          87    96    93          87    96    93


Date          Wed 11/19/25  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25
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          75    87      75    87      75    87      75    87
Temp          76 81 87 79   76 81 87 79   76 81 87 79   76 81 87 79
Dewpt         74 75 75 74   74 74 74 73   73 73 73 72   72 72 72 71
PWind dir         E     E      NE    NE      NE    NE      NE    NE
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC B1 B2   B2 B1 SC SC   SC SC SC FW   SC FW FW FW
PoP 12hr         30    50      50    30      20    20       5     0
Rain shwrs     C  C  C  C    C  C  C  S    S  S  S  S    S  S
Tstms                S  S    S  S

$$