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 Fri Nov 7 2025

PRZ001-080800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Fri Nov 7 2025

Date           11/07/25      Sat 11/08/25            Sun 11/09/25            Mon
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          89          77          87          76
Temp             81 79 78 77 83 88 89 83 81 79 78 77 82 86 87 82 79 78 77 76 81
Dewpt            74 74 73 73 73 74 74 73 74 74 74 74 74 74 74 74 74 74 74 74 74
RH               79 85 85 87 72 63 61 72 79 85 88 90 77 68 65 77 85 88 90 94 79
Wind dir         SE  E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          8  9  8  8 10 14 14 12 10 10  9 10 10 17 17 12 11 11 10 10 11
Clouds           SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC
PoP 12hr                     30          40          50          60          50
QPF 12hr                   0.12        0.15        0.25        0.59        0.08
Rain shwrs        S  C  C  S  C  C  C  C  S  S  C  C  C  C  L  L  C  C  C  C  C
Tstms                                                 S  S  S  S
Heat index       86          89 96 97 89 85          88 94 95 87 83          87
Max heat         89    85    89    98    95    84    88    96    93          87


Date           11/10  Tue 11/11/25  Wed 11/12/25  Thu 11/13/25  Fri 11/14/25
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      77    88      77    88      77    89      77    88
Temp          87 80   78 82 88 80   78 82 88 80   78 83 89 81   78 82 88 80
Dewpt         74 74   74 73 73 73   73 74 75 74   73 74 74 73   73 73 73 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC B1   B1 B1 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40      40    30      10    20      20    20      30    30
Rain shwrs     C  C    C  C  C  C    S  S  S  S    S  S  S  S    S  C  C  S

$$
PRZ002-080800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Fri Nov 7 2025

Date           11/07/25      Sat 11/08/25            Sun 11/09/25            Mon
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          86          77          87          77
Temp             80 78 78 77 81 85 86 82 80 78 78 77 82 86 87 82 80 79 78 77 81
Dewpt            75 75 75 75 76 76 75 75 75 75 75 75 76 76 76 75 75 75 75 75 75
RH               85 91 91 94 85 75 70 79 85 91 91 94 82 72 70 79 85 88 91 94 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         11 12 12 11 13 14 13 13 12 12 12 12 16 16 16 14 14 14 12 12 14
Clouds           SC B1 B2 B2 B1 B1 SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     50          40          60          60          60
QPF 12hr                   0.22        0.21        0.60        1.13        0.12
Rain shwrs        C  C  C  C  C  C  C  C  C  C  L  L  L  L  L  L  L  L  L  L  C
Tstms                                           S  S  S  S  S  S
Heat index       84          88 95 95 88 84          89 96 97 89 85          87
Max heat         88    83    88    95    93    83    89    98    95    84    87


Date           11/10  Tue 11/11/25  Wed 11/12/25  Thu 11/13/25  Fri 11/14/25
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          86      77    87      77    86      77    87      77    86
Temp          86 80   78 82 87 80   78 81 86 80   78 82 87 80   78 81 86 80
Dewpt         76 76   74 74 74 75   74 76 76 74   75 75 75 75   73 74 73 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    LT
Avg clouds    B1 B1   B2 B1 SC SC   SC SC SC SC   SC SC B1 B1   B1 B1 B1 SC
PoP 12hr         50      50    40      30    40      40    40      50    50
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
PRZ007-080800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Fri Nov 7 2025

Date           11/07/25      Sat 11/08/25            Sun 11/09/25            Mon
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          88          76          87          75
Temp             79 77 76 75 81 87 88 82 80 78 77 76 81 86 87 81 79 77 76 75 81
Dewpt            72 71 71 70 70 71 72 72 70 70 69 69 71 72 74 73 72 72 71 71 71
RH               79 82 85 84 69 59 59 72 72 76 76 79 72 63 65 77 79 85 85 87 72
Wind dir         NE  E  E NE  E  E SE  E NE NE  E  E  E  E  E  E  E  E  E  E  E
Wind spd          6  5  6  6  8 13 12 11  6  5  4  5  6 17 14 11  9  6  6  6  6
Wind gust                                               28
Clouds           FW SC SC SC CL FW FW SC FW FW SC SC FW FW B2 B2 SC SC SC SC SC
PoP 12hr                     10          10          30          60          50
QPF 12hr                   0.04        0.03        0.11        1.04        0.08
Rain shwrs        S  S  S  S           S        C  C  S  S  L  L  C  C  C  C  C
Tstms                                                       S  S
Heat index                   85 92 94 87 83          85 92 94 86             84
Max heat         86          85    94    93          85    95    92          84


Date           11/10  Tue 11/11/25  Wed 11/12/25  Thu 11/13/25  Fri 11/14/25
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    88      74    89      74    89      74    89
Temp          87 79   77 82 88 78   75 81 89 79   75 81 89 79   75 81 89 79
Dewpt         71 72   69 70 71 69   70 70 72 72   69 71 71 71   70 69 71 71
PWind dir         E       E     E      NE     E      NE     E      NE     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    LT
Avg clouds    SC SC   SC SC SC FW   FW FW SC FW   CL CL FW SC   SC SC SC SC
PoP 12hr         30      10    10      10    10       5    20      10    30
Rain shwrs     C  S    S  S  S  S       S  S  S          S  S    S  S  C  C

$$
PRZ008-080800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Fri Nov 7 2025

Date           11/07/25      Sat 11/08/25            Sun 11/09/25            Mon
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          74          85          74
Temp             78 76 75 74 80 85 86 80 78 76 75 74 79 84 85 80 77 76 75 74 80
Dewpt            74 73 72 71 74 75 75 75 74 73 73 71 74 75 76 74 74 74 73 71 74
RH               88 90 90 90 82 72 70 85 88 90 94 90 85 74 75 82 90 94 94 90 82
Wind dir         SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          5  8  6  9  8  6 12 13  9 12 11 11 13 13 16  6 10 13 10 11 11
Clouds           FW FW FW FW CL SC SC B1 FW FW FW FW FW FW SC SC SC SC SC SC SC
PoP 12hr                      5          40          10          40          20
QPF 12hr                   0.01        0.13        0.03        0.52        0.03
Rain shwrs                       S  S  C              S  S  C  C  S  S  S  S  S
Tstms                                                       S  S
Heat index                   84 93 95 85             83 92 94 84             84
Max heat         85          84    95    93          83    94    91          84


Date           11/10  Tue 11/11/25  Wed 11/12/25  Thu 11/13/25  Fri 11/14/25
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          86      74    87      73    86      73    88      73    86
Temp          86 78   75 80 87 77   74 79 86 77   74 80 88 78   74 79 86 77
Dewpt         75 74   72 73 75 74   72 74 76 74   72 73 75 74   71 72 74 73
PWind dir         E       E     E       E     E       E     E       E    NE
Wind char        GN      GN    GN      GN    BZ      GN    GN      LT    LT
Avg clouds    SC B1   FW FW SC B1   FW FW SC SC   CL CL SC B1   SC SC SC SC
PoP 12hr         50       5    50       5    40       0    50      10    40
Rain shwrs     C  C    S  S  C  C          C  C          C  C    S  S  C  C
Tstms          S  S          S  S                                      S  S

$$
PRZ010-080800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Fri Nov 7 2025

Date           11/07/25      Sat 11/08/25            Sun 11/09/25            Mon
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          73          90          72
Temp             78 76 74 73 81 88 89 82 78 76 74 73 81 88 89 81 77 75 73 72 80
Dewpt            75 74 73 72 74 76 76 76 74 72 72 72 75 77 77 75 74 73 73 72 74
RH               91 94 97 97 79 68 66 82 88 87 93 97 82 70 68 82 90 94100100 82
Wind dir          E  E NE NE  E  E  N  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          1  4  5  4  4  2  4  2  3  5  5  6  6  3  2  3  5  5  4  4  3
Clouds           FW FW FW FW CL SC SC B2 FW FW FW FW CL CL B1 B1 SC SC SC SC SC
PoP 12hr                      5          60           5          50          20
QPF 12hr                   0.01        0.82        0.02        0.51        0.03
Rain shwrs                       C  C  L                    C  C  S  S  S  S  S
Tstms                               S  S                    S  S
Heat index                   86100101 88             87100102 87             85
Max heat         88          86   102    98          87   103    98          85


Date           11/10  Tue 11/11/25  Wed 11/12/25  Thu 11/13/25  Fri 11/14/25
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      72    90      72    91      72    91      72    91
Temp          89 77   73 80 89 77   73 81 90 78   73 81 90 78   73 81 90 78
Dewpt         76 74   72 73 75 74   72 74 77 75   72 74 76 75   72 73 75 74
PWind dir         E       E     E       E     E       E     E       E    NE
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1 B1   FW FW SC B1   FW FW SC SC   CL CL SC B1   SC SC SC B1
PoP 12hr         60       5    50       5    50       0    60      10    50
Rain shwrs     L  L          C  C    S  S  C  C          L  L    S  S  C  C
Tstms          S  S          S  S                                      S  S

$$
VIZ001-080800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Fri Nov 7 2025

Date           11/07/25      Sat 11/08/25            Sun 11/09/25            Mon
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          87          79
Temp             81 80 79 78 83 87 88 83 81 80 79 78 82 86 87 83 81 80 80 79 83
Dewpt            76 76 76 75 76 76 76 76 75 77 76 76 77 78 77 77 76 76 76 76 76
RH               85 88 91 91 80 70 68 80 82 91 91 94 85 77 72 82 85 88 88 91 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         17 20 19 18 17 18 17 18 19 19 20 19 20 20 20 20 20 20 20 19 21
Clouds           B1 B1 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B2 B2 SC SC SC SC SC SC SC
PoP 12hr                     50          40          60          60          30
QPF 12hr                   0.23        0.18        0.35        0.60        0.03
Rain shwrs        C  C  C  C  C  C  C  C  C  C  C  C  L  L  C  C  S  S  S  S  C
Tstms                                                 S  S  S  S
Heat index       88 84       90 98 98 91 87 85       90 98 98 92 88 86 84    90
Max heat         91    87    90    99    96    86    90    99    96    87    90


Date           11/10  Tue 11/11/25  Wed 11/12/25  Thu 11/13/25  Fri 11/14/25
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    88      80    88      80    89      80    88
Temp          87 81   80 83 88 82   81 84 88 82   81 84 89 83   81 84 88 82
Dewpt         77 76   76 76 76 76   76 77 77 75   76 76 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      GN    GN
Avg clouds    SC SC   B1 B1 SC SC   FW SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40      40    20      20    30      30    30      30    30
Rain shwrs     C  C    C  C  S  S       S  C  C    S  C  C  S    S  C  C  C

$$
VIZ002-080800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Fri Nov 7 2025

Date           11/07/25      Sat 11/08/25            Sun 11/09/25            Mon
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          89          76          88          75
Temp             81 79 78 77 83 88 89 83 80 78 77 76 82 87 88 82 79 77 76 75 82
Dewpt            75 75 75 74 75 75 75 76 75 76 75 75 76 76 76 75 75 76 75 75 75
RH               82 88 91 90 77 66 64 80 85 94 94 97 82 70 68 79 88 97 97100 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 18 16 14 14 17 17 17 17 17 16 17 18 19 18 17 18 17 17 17 18
Clouds           SC B1 B2 SC FW SC SC SC B1 B2 B2 B2 B2 B2 SC SC SC SC SC SC SC
PoP 12hr                     50          40          60          60          20
QPF 12hr                   0.17        0.13        0.39        0.60        0.03
Rain shwrs        C  C  C  C  S  S  S  S  C  C  L  C  L  L  C  C  S  S  S  S  S
Tstms                                           S     S  S  S  S
Heat index       86          90 97 99 90 85          88 97 98 88             88
Max heat         91    85    90    99    97    83    88    98    95          88


Date           11/10  Tue 11/11/25  Wed 11/12/25  Thu 11/13/25  Fri 11/14/25
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      78    89      76    86      76    88      76    86
Temp          89 81   79 83 89 80   77 81 86 79   77 82 88 80   77 81 86 79
Dewpt         75 75   75 74 74 75   75 75 75 74   75 75 75 75   74 74 73 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      GN    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    SC SC   B1 B1 SC FW   FW FW SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40      40    20      20    20      20    30      30    20
Rain shwrs     S  C    C  C  S  S       S  S  S    S  S  S  C    C  C  S  S

$$