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 Thu Nov 13 2025

PRZ001-140800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Thu Nov 13 2025

Date           11/13/25      Fri 11/14/25            Sat 11/15/25            Sun
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          86          76
Temp             80 79 78 77 83 88 89 83 80 78 77 76 81 85 86 81 79 78 77 76 81
Dewpt            73 73 72 72 71 71 71 70 71 71 70 70 71 70 71 71 71 71 70 70 71
RH               79 82 82 85 67 57 56 65 74 79 79 82 72 61 61 72 77 79 79 82 72
Wind dir          E SE SE SE SE  E  E  E  E SE  S  N  S  E NE NE NE  N  N  N SE
Wind spd          8  6  6  5  5  9 10  9  6  4  4  3  2  4  9  6  4  4  4  3  2
Clouds           SC SC SC SC SC SC CL CL CL CL SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     40          20          20          50          40
QPF 12hr                   0.19        0.03        0.02        0.38        0.10
Rain shwrs        C  C  C  C  S  S              S  S  S  S  C  C  C  C  C  C  C
Tstms
Heat index       84          87 94 95 86 83          84 90 91 85             84
Max heat         87    83    87    95    93    82    84    91    90          84
High Surf         Y  Y


Date           11/16  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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      75    87      76    87      76    86      75    88
Temp          86 78   76 81 87 79   77 81 87 79   77 81 86 78   76 81 88 80
Dewpt         71 71   71 71 72 72   72 72 73 72   73 73 72 72   72 72 72 70
PWind dir         E      SE     E      SE     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B2 B2   SC SC SC SC   B1 B1 SC SC   SC B1 B1 SC   B1 B1 B2 B1
PoP 12hr         70      30    40      40    30      40    40      50    50
Rain shwrs     L  L    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
Tstms          S  S

$$
PRZ002-140800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Thu Nov 13 2025

Date           11/13/25      Fri 11/14/25            Sat 11/15/25            Sun
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          72          86          72
Temp             79 77 76 75 81 87 88 80 77 75 73 72 79 85 86 79 76 74 73 72 79
Dewpt            74 73 73 72 73 73 72 72 72 72 72 71 72 73 72 72 72 72 71 71 72
RH               85 87 90 90 77 63 59 77 85 90 97 97 79 67 63 79 87 93 93 97 79
Wind dir          E  E  E  E  E  E SE  E  E  E  E SE SE SE SE  E  E NE  E  E  E
Wind spd          9  9  8  9  6  9  6  5  5  5  4  3  3  4  4  4  3  4  3  3  4
Clouds           SC SC SC SC SC SC SC SC CL FW SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     40          30          30          30          30
QPF 12hr                   0.19        0.19        0.05        0.24        0.04
Rain shwrs        C  C  C  C  S  S  C  C        S  C  S  S  C  C  S  S  S  S  C
Tstms
Heat index                   86 94 94 84                91 92
Max heat         86          86    95    92                93    89
High Surf         Y  Y


Date           11/16  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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      73    86      74    86      74    86      74    86
Temp          86 77   74 79 86 78   75 80 86 78   75 80 86 78   75 80 86 79
Dewpt         72 72   72 73 73 73   73 74 74 74   73 74 74 73   72 73 74 70
PWind dir         E      SE    SE       E     E       E     E      NE    NE
Wind char        LT      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1   B1 B1 SC SC   SC SC SC B1   B2 B2 B1 B1   B2 B2 B2 B1
PoP 12hr         40      40    30      30    50      50    50      50    50
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
PRZ007-140800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Thu Nov 13 2025

Date           11/13/25      Fri 11/14/25            Sat 11/15/25            Sun
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          88          73          86          74
Temp             78 76 75 74 81 87 88 81 78 75 74 73 79 85 86 80 78 76 75 74 80
Dewpt            74 72 71 70 72 73 74 73 72 71 69 69 71 73 74 74 73 71 70 70 72
RH               88 87 87 87 74 63 63 77 82 87 84 87 77 67 68 82 85 85 84 87 77
Wind dir         NE NE NE NE  E SE SE SE NE NE  N NE NE SE  S SE NE  N NE NE  E
Wind spd          5  4  4  4  3 10 11  6  3  3  3  4  3  6  8  4  3  2  3  4  3
Clouds           CL CL CL CL CL CL SC SC CL CL FW FW FW FW SC SC CL CL CL CL FW
PoP 12hr                      5          50           5          20           5
QPF 12hr                   0.10        0.22        0.01        0.14           0
Rain shwrs                          C  C                    S  S
Tstms                                  S
Heat index                   85 94 96 85             82 92 94 84             83
Max heat         87          85    97    94          82    94    91          83


Date           11/16  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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      73    86      73    87      74    87      74    89
Temp          86 77   74 79 86 77   74 80 87 78   75 80 87 78   75 81 89 78
Dewpt         74 72   70 72 75 74   71 73 75 74   72 73 75 73   72 73 74 68
PWind dir        SE       E     E      NE     E      NE     E      NE     E
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   FW FW FW FW   CL FW SC B1   SC SC SC SC   CL FW SC B1
PoP 12hr         30       5    10      10    50      20    30       5    60
Rain shwrs     C  C          S  S       S  C  C    S  S  C  C          L  L
Tstms                                      S  S                        S  S

$$
PRZ008-140800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Thu Nov 13 2025

Date           11/13/25      Fri 11/14/25            Sat 11/15/25            Sun
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          85          73          82          73
Temp             77 76 75 74 79 84 85 79 77 75 74 73 77 81 82 78 76 74 74 73 78
Dewpt            74 73 72 70 72 73 73 73 72 72 70 69 71 71 72 71 71 70 69 68 71
RH               90 90 90 87 79 70 67 82 85 90 87 87 82 72 72 79 85 87 84 84 79
Wind dir          E  E  E  E  E  E NE NE  E  E SE SE SE NW NW  N NE  E  E SE  E
Wind spd         13 12 10  9  6  5  6  6  9 10  6  4  3  1  5  4  5  8  5  3  3
Clouds           SC SC SC FW CL CL SC SC FW CL FW FW FW FW SC SC SC SC SC SC B1
PoP 12hr                     30          30           5          20          40
QPF 12hr                   0.13        0.14        0.01        0.15        0.05
Rain shwrs        S  S  C  S        C  S                    S  S  S  S  S  S  C
Heat index                   82 90 91                   85 86
Max heat         84          82    92    89                87    85
High Surf         Y  Y


Date           11/16  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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          83      71    84      73    84      73    83      73    85
Temp          83 75   72 77 84 76   74 78 84 76   74 78 83 76   74 79 85 77
Dewpt         73 72   70 71 73 72   71 72 75 73   71 73 75 73   71 72 74 70
PWind dir         E      SE    NE       E     E       E    NE       E     E
Wind char        LT      LT    LT      GN    GN      GN    BZ      GN    BZ
Avg clouds    B1 SC   SC FW SC B2   B2 B1 SC SC   FW FW FW SC   SC FW FW SC
PoP 12hr         40      10    60      50    30       5    10      10    20
Rain shwrs     C  C    S  S  L  L    C  C  C  S          S  S    S  S  S  S
Tstms                        S  S

$$
PRZ010-140800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Thu Nov 13 2025

Date           11/13/25      Fri 11/14/25            Sat 11/15/25            Sun
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          90          72          88          72
Temp             77 75 73 72 80 88 89 81 77 75 73 72 80 87 88 80 77 75 73 72 80
Dewpt            74 73 72 71 73 75 75 74 73 72 71 70 72 74 74 73 71 71 71 70 72
RH               90 94 97 97 79 66 64 79 87 90 93 93 77 65 63 79 82 87 93 93 77
Wind dir         NE  E  E  E  E SW  W NE NE  E  E  E  E SW  W  N NE  E  E  E  E
Wind spd          6  5  4  3  2  2  5  4  8  6  4  2  3  2  5  3  4  5  4  3  3
Clouds           OV CL CL CL CL CL B2 B2 SC SC FW FW FW FW SC SC FW FW FW FW SC
PoP 12hr                     80          70          30          40          20
QPF 12hr                   0.26        0.38        0.04        0.28        0.02
Rain shwrs        D                 L  L  C  S              C  C  S  S  S  S  S
Tstms             S                 S  S  S
Heat index                   85 98100 86             83 95 96 84             84
Max heat         87          85   101    97          83    97    93          84
High Surf         Y  Y


Date           11/16  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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      71    89      71    89      71    88      71    90
Temp          88 76   72 79 88 76   72 79 88 76   72 79 87 76   72 80 89 77
Dewpt         74 72   70 72 74 73   71 72 75 74   72 73 76 74   72 73 75 70
PWind dir        SE       E    SE       E     E       E    NE       E    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    SC SC   FW FW FW B1   SC SC SC B1   FW FW FW SC   SC FW FW SC
PoP 12hr         40       5    40      30    60       5    30      10    40
Rain shwrs     C  C          C  C    C  C  L  L          C  C    S  S  C  C
Tstms                                      S  S

$$
VIZ001-140800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Thu Nov 13 2025

Date           11/13/25      Fri 11/14/25            Sat 11/15/25            Sun
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          88          76          87          76
Temp             80 79 78 77 82 87 88 82 80 78 77 76 81 86 87 82 79 78 77 76 81
Dewpt            74 75 74 73 73 73 73 73 73 74 74 73 73 73 73 72 73 73 73 73 73
RH               82 88 88 87 74 63 61 74 79 88 90 90 77 65 63 72 82 85 87 90 77
Wind dir          E  E  E  E  E SE SE  E  E  E  E  E SE SE SE  E  E  E  E  E  E
Wind spd         13 14 16 12 12 10  9  8  8 11  9  6  6  5  4  5  8  8  8  6  8
Clouds           SC SC FW FW SC FW SC SC CL SC SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     40          30          30          30          40
QPF 12hr                   0.09        0.19        0.05        0.18        0.05
Rain shwrs        C  S  S  S  S  S  C  C     S  S  S  C  C  S  S  S  S  S  S  C
Heat index       85          88 94 95 87 83          86 93 94 86 83          85
Max heat         90    84    88    96    93          86    94    92          85


Date           11/16  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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    86      77    87      76    86      77    88
Temp          86 80   78 81 86 80   78 82 87 79   77 81 86 80   78 82 88 82
Dewpt         73 73   73 73 74 75   75 75 75 75   75 75 75 75   75 74 74 70
PWind dir         E       E    SE       E     E       E     E       E     E
Wind char        GN      GN    GN      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    B1 SC   B1 B1 SC SC   B2 B1 B1 B1   B2 B2 B1 B1   B2 B1 SC SC
PoP 12hr         40      40    50      50    50      50    50      50    30
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
VIZ002-140800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Thu Nov 13 2025

Date           11/13/25      Fri 11/14/25            Sat 11/15/25            Sun
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          73          87          72
Temp             79 76 75 74 81 88 89 81 78 76 74 73 80 86 87 80 77 74 73 72 79
Dewpt            74 73 73 72 73 73 73 72 71 72 72 71 73 73 72 72 71 71 71 70 72
RH               85 90 94 93 77 61 59 74 79 87 93 93 79 65 61 77 82 90 93 93 79
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E SE SE  E  E  E  E  E  E
Wind spd         12 13 14 11 10 10 10  8  8  9  8  6  5  6  4  3  3  4  4  4  5
Clouds           FW FW FW FW SC CL SC SC SC SC SC SC FW FW SC SC FW FW FW FW SC
PoP 12hr                     20          30          20          20          10
QPF 12hr                   0.05        0.19        0.05        0.15        0.01
Rain shwrs        S  S  S  S  S     C  C  S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index                   86 95 96 85             83 93 93 83             82
Max heat         87          86    97    94          83    94    91          82


Date           11/16  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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      73    88      74    88      74    87      74    86
Temp          87 77   74 80 88 78   75 81 88 78   75 80 87 78   75 80 86 79
Dewpt         72 72   72 74 74 74   74 75 75 74   74 75 75 74   74 74 74 70
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      GN    GN      GN    BZ      GN    BZ      BZ    BZ
Avg clouds    FW FW   B1 B1 SC FW   B2 B1 B1 B2   B2 B2 B1 SC   SC SC B1 B1
PoP 12hr         40      40    50      50    50      50    50      30    50
Rain shwrs     S  C    C  C  C  C    C  C  C  C    C  C  C  C    S  C  C  C

$$