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 Nov 16 2025

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

Date           11/16/25      Mon 11/17/25            Tue 11/18/25            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          89          76          88          75
Temp             78 76 75 74 81 88 89 83 80 78 77 76 82 87 88 82 79 77 76 75 81
Dewpt            72 71 71 71 72 73 73 72 73 73 72 72 73 74 74 73 73 73 73 73 73
RH               82 85 87 90 74 61 59 70 79 85 85 87 74 65 63 74 82 87 90 94 77
Wind dir          S  S  S  S  S NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          2  4  4  3  3  5 10 10  8  8  8  5  8 11 12 11  8  8  9 10 11
Clouds           B1 FW FW FW CL CL SC SC B2 SC SC SC SC SC SC SC B2 B2 B2 B2 B1
PoP 12hr                     40          50          50          50          50
QPF 12hr                   0.04        0.07        0.09        0.09        0.17
Rain shwrs        C                 S  C  C  C  C  C  S  S  C  C  C  C  C  C  C
Tstms                                                             S  S  S  S
Heat index                   85 95 96 88 84          87 95 96 87             85
Max heat         85          85    97    94    83    87    97    94          85


Date           11/19  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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    87      75    87      75    87      75    88
Temp          87 79   76 81 87 79   76 81 87 79   76 81 87 79   76 81 88 78
Dewpt         73 72   72 72 72 72   71 71 71 71   70 70 71 71   70 70 70 70
PWind dir         E      NE    NE      NE    NE      NE    NE       E    NE
Wind char        GN      LT    GN      LT    GN      GN    GN      LT    GN
Avg clouds    B1 B2   B2 B1 B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50      50    40      30    30      30    30      20    20
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  C  S    S  S  S  S
Tstms          S  S    S  S

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

Date           11/16/25      Mon 11/17/25            Tue 11/18/25            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          87          76          86          75
Temp             78 77 76 75 81 86 87 82 79 78 77 76 81 85 86 81 78 77 76 75 80
Dewpt            72 73 72 72 74 74 74 74 74 74 74 74 75 76 76 75 75 74 74 73 75
RH               82 87 87 90 79 68 65 77 85 88 90 94 82 75 72 82 91 90 94 94 85
Wind dir         SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          2  4  4  4  4  6  5  6  8  8  8  6  8 10 10 10  9 10  9 10 12
Clouds           SC FW B1 SC SC SC CL SC SC B1 SC SC SC SC B1 B1 B1 B1 B2 B2 B1
PoP 12hr                     40          30          40          40          50
QPF 12hr                   0.07        0.07        0.10        0.12        0.14
Rain shwrs        S     C  C  S  S     C  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms                                                                   S  S
Heat index                   86 94 95 87 83          86 95 95 86             84
Max heat         85          86    95    93          86    96    93          84


Date           11/19  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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          85      75    85      75    85      75    85      75    85
Temp          85 78   76 80 85 78   76 80 85 78   76 80 85 78   76 80 85 78
Dewpt         74 74   73 74 74 73   72 73 73 73   72 72 73 71   71 72 72 71
PWind dir        NE      NE    NE      NE    NE      NE    NE      NE    NE
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B2   B2 B1 B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50      50    40      30    30      30    30      20    20
Rain shwrs     C  C    C  C  C  C    C  C  C  C    S  C  C  S    S  S  S  S
Tstms          S  S    S  S

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

Date           11/16/25      Mon 11/17/25            Tue 11/18/25            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                      73          87          73          88          73
Temp             77 75 74 73 80 86 87 80 77 75 74 73 80 87 88 81 78 75 74 73 80
Dewpt            68 68 68 68 69 70 70 71 70 70 69 69 69 70 71 72 71 70 70 69 71
RH               74 79 82 84 69 59 57 74 79 84 84 87 69 57 57 74 79 84 87 87 74
Wind dir         NE NE NE NE NE SE SE SE NE NE NE NE NE  E  E  E NE NE NE NE  E
Wind spd          3  3  4  4  3  6  8  5  3  4  4  4  4 12 12  9  5  5  5  6 10
Clouds           SC FW SC B1 SC SC CL SC SC SC SC SC SC SC SC SC SC SC FW FW SC
PoP 12hr                     40          20          20          30          10
QPF 12hr                   0.10        0.02        0.03        0.11        0.02
Rain shwrs        S     S  C  S  S     S  S  S  S  S  S  S  C  C  S  S        S
Heat index                   82 90 91 83             83 92 93 85             84
Max heat         83          82    92    90          83    94    92          84


Date           11/19  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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      73    88      72    88      72    87      71    88
Temp          88 78   74 80 88 77   73 80 88 77   73 79 87 76   72 79 87 76
Dewpt         71 70   69 68 67 68   68 68 67 68   67 67 67 69   67 68 67 68
PWind dir         E      NE     E      NE     E      NE     E      NE     E
Wind char        GN      LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    SC B1   CL FW FW SC   FW FW FW SC   FW FW FW SC   FW FW SC SC
PoP 12hr         60       0    40       5    30       0    30       5    30
Rain shwrs     L  L          C  C          C  C          C  C          C  C
Tstms          S  S

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

Date           11/16/25      Mon 11/17/25            Tue 11/18/25            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                      72          84          73          85          73
Temp             76 74 73 72 78 83 84 79 76 75 74 73 79 84 85 79 77 75 74 73 78
Dewpt            71 71 70 68 71 73 73 72 73 72 72 72 73 74 75 74 73 73 72 71 73
RH               85 90 90 87 79 72 70 79 90 90 93 97 82 72 72 85 87 94 93 93 85
Wind dir         SE SE SE SE  E NE NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          2  4  4  3  2  5  8  8 10 11 11 11 12 14 16 13 16 14 12 13 16
Clouds           B2 FW FW FW CL SC SC B2 SC SC SC SC FW FW B1 B1 SC SC SC SC SC
PoP 12hr                     50          50          30          40          20
QPF 12hr                   0.22        0.15        0.06        0.23        0.04
Rain shwrs        C              S  S  C  C  S  S  S        C  C  S  S  S  S  S
Tstms             S
Heat index                      88 90                   91 93
Max heat                           90    88                93    90


Date           11/19  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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          84      73    85      73    84      73    85      73    84
Temp          84 76   74 79 85 77   74 78 84 76   74 79 85 77   74 78 84 76
Dewpt         75 73   72 73 74 72   71 72 73 72   70 71 72 71   69 70 72 70
PWind dir        NE      NE    NE      NE    NE      NE    NE       E    NE
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   CL FW SC SC   SC SC FW FW   SC SC SC SC   FW FW FW FW
PoP 12hr         30      10    20      20    20      20    20       0     0
Rain shwrs     C  C       S  S  S    S  S     S    S  S  S  S

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

Date           11/16/25      Mon 11/17/25            Tue 11/18/25            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                      71          90          72          90          71
Temp             76 74 72 71 80 88 89 81 77 75 73 72 80 88 89 81 77 74 72 71 80
Dewpt            72 71 70 70 73 74 75 74 73 73 72 72 73 76 76 76 74 73 72 71 74
RH               87 90 93 97 79 63 64 79 87 94 97100 79 68 66 85 90 97100100 82
Wind dir          E  E  E  E  E NE NW NE NE NE NE  E  E  E  E NE NE  E  E  E  E
Wind spd          2  4  4  4  4  4  6  8  9  8  8  6  6  3  3  3  9  8  6 10 13
Clouds           B1 FW FW FW CL CL SC B2 SC CL FW FW FW FW OV OV B2 B2 FW FW SC
PoP 12hr                     40          60          20          70          50
QPF 12hr                   0.07        0.26        0.02        0.79        0.07
Rain shwrs        C                 S  L  S                 L  L  C  C        S
Tstms                                                       S  S  S  S
Heat index                   84 97100 86             85 99101 87             84
Max heat         84          84   100    97          85   102    98          84


Date           11/19  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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          90      71    90      71    90      70    90      71    90
Temp          89 77   72 80 89 77   72 80 89 76   71 79 89 77   72 80 89 76
Dewpt         76 73   71 73 75 72   71 73 74 72   70 72 73 71   70 71 73 71
PWind dir        NE      NE    NE      NE    NE      NE    NE       E    NE
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   CL FW FW SC   FW FW FW SC   SC FW FW SC   FW FW FW SC
PoP 12hr         50       0    30       5    20       5    30       0    20
Rain shwrs     C  C          C  C          S  S    S  S  C  C          S  S
Tstms          S  S

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

Date           11/16/25      Mon 11/17/25            Tue 11/18/25            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          88          79          88          79
Temp             81 80 80 79 83 87 88 84 82 80 80 79 83 87 88 84 82 80 80 79 83
Dewpt            72 74 74 74 75 76 75 75 74 76 75 75 76 77 76 76 75 76 75 75 76
RH               74 82 82 85 77 70 66 74 77 88 85 88 80 72 68 77 79 88 85 88 80
Wind dir          E  E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          6 10 10  9  9  8  8 10 12 13 13 13 14 16 14 16 16 14 16 17 18
Clouds           SC SC SC B1 SC CL CL SC SC B1 SC SC SC SC SC SC SC SC B1 B1 B2
PoP 12hr                     40          30          40          30          50
QPF 12hr                   0.09        0.05        0.07        0.06        0.13
Rain shwrs        S  S  C  C  S        S  C  C  S  S  S  S  C  C  C  C  C  C  C
Tstms                                                                         S
Heat index       86 85 84    90 97 97 91 88 86 84    92 98 98 92 88 86 84    91
Max heat         89    86    90    98    96    87    92    99    97    87    91


Date           11/19  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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      78    88      79    87      79    87      79    87
Temp          88 81   79 83 88 82   80 83 87 81   80 83 87 81   80 83 87 81
Dewpt         76 75   74 74 74 74   73 73 74 73   72 73 73 73   73 72 72 72
PWind dir        NE      NE    NE      NE    NE      NE    NE      NE    NE
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B2 B2   B2 B1 B1 B1   SC SC FW FW   SC SC SC SC   SC SC FW SC
PoP 12hr         50      50    40      20    10      10    20      20    10
Rain shwrs     C  C    C  C  C  C    S  S  S  S    S  S  S  S    S  S  S  S
Tstms          S  S    S  S

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

Date           11/16/25      Mon 11/17/25            Tue 11/18/25            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          87          76          87          75
Temp             79 78 77 76 81 86 87 82 79 78 77 76 81 86 87 81 79 77 76 75 81
Dewpt            72 73 73 73 75 74 75 74 74 74 75 75 76 75 75 74 75 75 74 74 75
RH               79 85 87 90 82 68 68 77 85 88 94 97 85 70 68 79 88 94 94 97 82
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  8  9  9  9 10  9  9 11 11 11 11 13 14 14 13 14 14 13 13 14
Clouds           SC SC B1 B1 SC SC B1 B1 B1 B2 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     40          40          50          30          30
QPF 12hr                   0.11        0.08        0.10        0.05        0.10
Rain shwrs        S  S  C  C  S  S  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C
Heat index       83          87 94 95 87 83          87 95 95 86             86
Max heat         86          87    96    93          87    96    93          86


Date           11/19  Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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    87      75    87      75    87      75    86
Temp          87 79   76 81 87 79   76 81 87 79   76 81 87 79   76 80 86 79
Dewpt         75 74   74 74 74 73   73 73 73 72   72 72 72 71   72 72 72 71
PWind dir        NE      NE    NE      NE    NE      NE    NE      NE    NE
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B2   B2 B1 SC SC   SC SC SC FW   SC FW FW FW   FW FW FW FW
PoP 12hr         50      50    30      20    20       5     0       5     5
Rain shwrs     C  C    C  C  C  S    S  S  S  S    S  S             S  S  S
Tstms          S  S    S  S

$$