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 Mon Nov 10 2025

PRZ001-110800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Mon Nov 10 2025

Date           11/10/25      Tue 11/11/25            Wed 11/12/25            Thu
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          89          77
Temp             80 79 78 77 83 88 89 83 81 79 78 77 83 88 89 83 81 79 78 77 82
Dewpt            74 74 74 74 74 73 73 73 73 74 74 73 74 73 73 74 73 74 73 73 73
RH               82 85 88 90 74 61 59 72 77 85 88 87 74 61 59 74 77 85 85 87 74
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          8  9  9  8  5 11 13 10  9  6  6  6  9 12 13 12 10 10  9  8  6
Clouds           SC SC SC B1 SC SC SC SC SC SC B1 CL SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     40          20          50          40          40
QPF 12hr                   0.08        0.13        0.23        0.05        0.05
Rain shwrs        S  S  C  C  S  S  S  S  S  C  C  C  C  C  S  S  C  C  C  C  C
Heat index       85          89 96 97 89 85          89 96 97 90 85          88
Max heat         89    84    89    97    95    84    89    97    95    84    88


Date           11/13  Fri 11/14/25  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25
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      77    87      76    86      76    87      76    88
Temp          88 80   78 82 87 79   77 81 86 79   77 81 87 79   77 82 88 79
Dewpt         74 73   72 72 71 71   71 71 71 71   71 71 72 71   71 71 72 72
PWind dir         E       E     E      SE    NE      NW    NE       E     E
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC FW   SC SC SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr         30      30    30      20    30      30    30      30    30
Rain shwrs     C  S    S  C  C  S    S  S  S  C    C  C  S  C    C  C  C

$$
PRZ002-110800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Mon Nov 10 2025

Date           11/10/25      Tue 11/11/25            Wed 11/12/25            Thu
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          77          89          77
Temp             80 78 78 77 82 87 88 83 80 79 78 77 83 88 89 83 81 79 78 77 82
Dewpt            76 75 75 74 75 75 75 74 75 75 75 74 75 75 75 74 75 74 74 74 75
RH               88 91 91 90 79 68 66 74 85 88 91 90 77 66 64 74 82 85 88 90 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         12 11 11  9  9 12 10 10  9  9 10  9  9 11 12 11 10 11 10  9  9
Clouds           SC SC B1 B1 SC SC SC SC CL SC B1 CL B1 SC SC SC SC SC B1 B1 SC
PoP 12hr                     40          40          50          40          40
QPF 12hr                   0.12        0.14        0.23        0.06        0.05
Rain shwrs        S  C  C  C  C  S  S  S     C  C  C  C  C  S  S  C  C  C  C  C
Heat index       85          89 96 97 89 85          90 98 99 90 86          89
Max heat         88    83    89    98    96    84    90    99    97    85    89


Date           11/13  Fri 11/14/25  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25
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      75    88      73    86      73    86      74    86
Temp          88 79   76 81 88 78   74 79 86 77   74 79 86 78   75 80 86 78
Dewpt         75 74   73 73 72 72   72 73 73 73   72 73 72 72   71 73 73 73
PWind dir         E       E     E       E     E       N    NE      NE     E
Wind char        GN      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC FW   SC SC SC SC   SC SC SC SC   SC SC SC CL
PoP 12hr         30      30    30      20    10      20    30      30    30
Rain shwrs     C  C    C  C  C  S    S  S  S  S    S  S  S  C    C  C  C

$$
PRZ007-110800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Mon Nov 10 2025

Date           11/10/25      Tue 11/11/25            Wed 11/12/25            Thu
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          75          89          74
Temp             79 77 76 75 81 87 88 82 79 77 76 75 82 88 89 82 79 76 75 74 81
Dewpt            74 74 74 73 75 75 76 75 74 73 73 72 74 75 75 75 74 73 72 71 74
RH               85 90 94 94 82 68 68 79 85 87 90 90 77 66 64 79 85 90 90 90 79
Wind dir         NE NE NE NE  E  E SE SE NE NE NE NE NE  E  E  E NE NE NE NE NE
Wind spd          5  4  6  5  4 11 11 10  5  4  3  4  4 12 16 10  6  5  4  4  4
Wind gust                                                  27
Clouds           FW FW SC SC FW SC SC SC CL CL FW CL SC SC FW FW CL CL CL CL CL
PoP 12hr                     10          20           5           5           0
QPF 12hr                   0.02        0.09           0        0.01           0
Rain shwrs        S  S  S  S  S  S  S  S              S  S
Heat index       83          87 96 98 88             87 97 99 88             86
Max heat         89          87    99    96          87    99    96          86


Date           11/13  Fri 11/14/25  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25
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    87      73    87      72    87      73    88
Temp          88 78   74 80 87 77   74 80 87 77   73 79 87 77   74 80 88 78
Dewpt         75 74   72 73 74 73   70 71 74 73   71 72 74 73   71 72 74 73
PWind dir         E      NE     E      NE     E      NE     E      NE     E
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL FW   SC SC FW FW   CL CL CL CL   FW FW FW SC   FW FW FW FW
PoP 12hr          5       5     5       0     0       0    20       0    10
Rain shwrs        S    S  S  S  S                        S  S          S  S

$$
PRZ008-110800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Mon Nov 10 2025

Date           11/10/25      Tue 11/11/25            Wed 11/12/25            Thu
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          85          75          85          74
Temp             78 77 76 75 80 84 85 80 78 77 76 75 80 84 85 80 77 76 75 74 79
Dewpt            74 74 73 72 74 74 76 74 75 74 73 72 74 75 75 74 74 74 72 71 73
RH               88 90 90 90 82 72 75 82 91 90 90 90 82 74 72 82 90 94 90 90 82
Wind dir          E  E  E  E  E  E NE  E  E  E  E  E  E  E NE  E  E  E  E  E  E
Wind spd         10  8 11 10 10  8 10 13 17 13 13 11 14 17 18 18 17 13 11 10 10
Clouds           FW FW FW FW CL FW SC SC FW SC SC CL FW SC SC SC SC SC SC SC SC
PoP 12hr                      5          30          30          40          40
QPF 12hr                   0.02        0.17        0.21        0.02        0.04
Rain shwrs              S  S        C  S     C  C  C  S  S  S  S  C  C  C  C  S
Heat index                   84 91 94 84             84 92 93 84             83
Max heat         86          84    94    91          84    94    91          83


Date           11/13  Fri 11/14/25  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25
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      73    84      74    83      72    84      73    85
Temp          85 77   74 78 84 77   75 78 83 75   73 78 84 76   74 79 85 77
Dewpt         75 74   71 72 73 72   70 71 72 71   70 71 73 72   70 71 73 72
PWind dir         E       E    NE       E    NW      NE    NE       E     E
Wind char        GN      GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC   CL CL FW SC   CL CL FW SC   SC SC SC SC   SC SC SC SC
PoP 12hr         30       0    20       0    30      30    20      20    30
Rain shwrs     C  C          S  S          S  C    C  C  S  S    S  S  C  C

$$
PRZ010-110800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Mon Nov 10 2025

Date           11/10/25      Tue 11/11/25            Wed 11/12/25            Thu
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          91          73
Temp             78 76 74 73 81 88 89 82 78 76 74 73 81 89 90 82 78 76 74 73 81
Dewpt            75 74 73 72 75 75 76 76 75 74 73 73 74 76 77 76 74 74 73 72 74
RH               91 94 97 97 82 66 66 82 91 94 97100 79 66 66 82 88 94 97 97 79
Wind dir          E  E  E  E  E NE  N NE  E NE  E  E  E  E  E NE NE  E  E  E  E
Wind spd          3  5  4  4  4  1  6  8  6  5  5  4  9 11  8  9 10 10  6  4  4
Clouds           FW FW FW FW CL CL B1 B2 SC CL FW CL FW FW SC SC FW FW FW FW FW
PoP 12hr                      5          50          20          30           5
QPF 12hr                   0.01        0.41        0.01        0.23           0
Rain shwrs                          C  C  S                 C  C
Tstms
Heat index                   87 98101 88             87101104 89             86
Max heat         89          87   102    98          87   105   101          86


Date           11/13  Fri 11/14/25  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25
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    89      72    89      72    90
Temp          89 77   73 80 89 77   73 80 88 77   73 80 88 77   73 80 89 77
Dewpt         76 74   72 73 74 73   71 72 74 72   71 72 75 72   71 72 75 73
PWind dir         E       E    NE       E     W      NE    NE       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   CL CL FW SC   CL CL FW SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50       0    20       0    30      20    40      10    40
Rain shwrs     C  C          S  S          C  C    S  S  C  C    S  S  C  C
Tstms                                                                  S  S

$$
VIZ001-110800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Mon Nov 10 2025

Date           11/10/25      Tue 11/11/25            Wed 11/12/25            Thu
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          89          78          89          78
Temp             81 80 79 78 83 88 89 84 81 80 79 78 83 88 89 84 81 80 79 78 83
Dewpt            76 76 76 76 75 76 76 76 76 77 77 76 76 76 76 76 76 76 76 75 76
RH               85 88 91 94 77 68 66 77 85 91 94 94 80 68 66 77 85 88 91 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         18 19 16 17 17 16 12 12 13 14 16 16 17 16 14 16 18 18 17 16 13
Clouds           SC SC SC SC SC SC SC SC FW FW B1 CL SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     30          20          40          40          40
QPF 12hr                   0.08        0.05        0.17        0.06        0.05
Rain shwrs        C  S  C  S  S  S  S  S  S  S  C  C  C  C  S  S  C  C  C  C  C
Heat index       88 85       91 99100 92 88 85       91 99100 92 88 85       91
Max heat         92    88    91   100    98    87    91   100    98    87    91


Date           11/13  Fri 11/14/25  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25
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      77    88      77    86      77    86      77    88
Temp          89 81   78 82 88 80   78 81 86 80   78 81 86 80   78 82 88 82
Dewpt         75 75   75 73 74 74   74 73 74 73   74 73 73 73   74 74 73 73
PWind dir         E       E     E       E    SE      NE    NE      NE     E
Wind char        GN      GN    GN      GN    LT      LT    LT      GN    GN
Avg clouds    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr         30      30    30      20    20      20    30      30    30
Rain shwrs     C  S    S  C  C  S    S  S  S  S    S  S  S  C    C  C  C

$$
VIZ002-110800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Mon Nov 10 2025

Date           11/10/25      Tue 11/11/25            Wed 11/12/25            Thu
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          89          76
Temp             81 79 78 77 83 88 89 83 80 78 77 76 82 88 89 83 80 78 77 76 82
Dewpt            76 76 75 74 75 75 75 74 75 75 75 74 76 75 75 74 75 75 74 74 76
RH               85 91 91 90 77 66 64 74 85 91 94 94 82 66 64 74 85 91 90 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         16 16 14 14 14 13 11 11 11 13 13 14 14 16 13 13 14 17 16 13 13
Clouds           SC SC SC SC SC SC SC SC FW SC B1 CL SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     30          20          40          40          40
QPF 12hr                   0.08        0.05        0.17        0.05        0.05
Rain shwrs        C  S  C  S  S  S  S  S     S  C  C  C  S  S  S  C  C  C  C  C
Heat index       87          90 98 99 89 85          90 98 99 89 85          89
Max heat         91    85    90    99    97    83    90    99    97    83    89


Date           11/13  Fri 11/14/25  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25
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      75    88      73    87      73    87      74    87
Temp          88 79   76 81 88 78   74 80 87 77   74 80 87 78   75 80 87 79
Dewpt         75 74   73 73 74 73   73 73 73 72   72 73 73 72   72 74 73 73
PWind dir         E       E     E       E    SE      NE    NE       E     E
Wind char        GN      GN    GN      GN    LT      LT    LT      LT    GN
Avg clouds    SC SC   SC SC SC SC   SC SC SC SC   CL FW SC FW   SC SC SC CL
PoP 12hr         30      30    20      20    20      20    30      30    30
Rain shwrs     C  C    C  C  S  S    S  S  S  S       S  S  C    C  C  C

$$