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 Tue Nov 11 2025

PRZ001-120800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Tue Nov 11 2025

Date           11/11/25      Wed 11/12/25            Thu 11/13/25            Fri
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          76
Temp             81 79 78 77 83 88 89 83 81 79 78 77 83 88 89 83 80 78 77 76 82
Dewpt            74 74 74 74 74 73 73 73 73 74 73 73 74 74 74 74 73 73 72 72 72
RH               79 85 88 90 74 61 59 72 77 85 85 87 74 63 61 74 79 85 85 87 72
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          9  9 10  8  9 12 13 11  9 11 10  8  8 12 11 10  8  8  5  5  5
Clouds           B1 B2 B1 B1 B2 SC FW FW B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr                     50          50          40          40          20
QPF 12hr                   0.27        0.13        0.14        0.12        0.02
Rain shwrs        C  C  C  C  C  C     S  C  C  C  C  C  C  C  C  S  S  S  S  S
Heat index       85          89 96 97 89 85          89 96 97 89 84          86
Max heat         89    84    89    97    95    84    89    98    95    83    86


Date           11/14  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
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      76    87      76    87      75    88      75    88
Temp          88 80   77 81 87 79   77 81 87 79   76 81 88 79   76 81 88 79
Dewpt         72 71   71 71 71 71   71 71 72 71   71 71 72 72   72 72 71 72
PWind dir         E      SE    NE       W     N       E     E       E     E
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW   FW FW SC SC   SC SC SC SC   FW SC SC SC   SC SC SC FW
PoP 12hr         20       5    50      30    50      30    30      30    20
Rain shwrs     S  S    S  S  C  C    C  C  C  C    S  C  C  C    C  C  S  S

$$
PRZ002-120800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Tue Nov 11 2025

Date           11/11/25      Wed 11/12/25            Thu 11/13/25            Fri
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          88          76          87          75
Temp             80 78 77 76 82 87 88 82 80 78 77 76 81 86 87 81 79 77 76 75 81
Dewpt            75 75 75 75 75 75 74 74 74 75 74 74 75 76 75 74 74 74 74 73 74
RH               85 91 94 97 79 68 63 77 82 91 90 94 82 72 68 79 85 90 94 94 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         10 10 11 10 12 12 13 11 11 11 11 11 11 11 10  8  9  9  9  6  6
Clouds           B1 B2 B1 B2 B2 B2 SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr                     50          50          40          40          30
QPF 12hr                   0.30        0.18        0.14        0.12        0.06
Rain shwrs        C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  S
Heat index       84          88 97 97 88 84          87 96 96 86             85
Max heat         89          88    97    94          87    97    94          85


Date           11/14  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
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    86      73    86      73    86      73    86
Temp          87 77   74 79 86 77   74 79 86 77   74 79 86 77   74 79 86 77
Dewpt         73 73   72 73 73 72   71 72 72 72   72 73 73 73   73 72 72 72
PWind dir         E       E    SE      NW    NE      NE     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW FW   SC SC SC SC   FW FW SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         20      20    30      20    20      30    30      30    20
Rain shwrs     S  S    S  S  C  C    S  S  S  S    S  C  C  C    C  C  S  S

$$
PRZ007-120800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Tue Nov 11 2025

Date           11/11/25      Wed 11/12/25            Thu 11/13/25            Fri
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          90          74          88          72
Temp             79 77 76 75 82 89 90 82 79 77 75 74 81 87 88 80 77 75 73 72 80
Dewpt            72 71 70 70 70 70 68 72 71 70 70 69 69 70 70 70 71 70 69 68 67
RH               79 82 82 84 67 54 49 72 77 79 84 84 67 57 55 72 82 84 87 87 65
Wind dir         NE NE NE NE NE  E  E  E NE NE NE NE NE  E SE  E  E NE NE NE  E
Wind spd          5  5  4  4  4 13 18  9  6  6  5  4  4 11 12  9  5  4  4  3  3
Wind gust                          29
Clouds           CL CL SC SC SC SC SC SC CL CL FW FW SC SC FW FW SC SC SC SC CL
PoP 12hr                     30          20           5           5           5
QPF 12hr                   0.02        0.04        0.01        0.01        0.01
Rain shwrs              C  S  S  S  S  S              S  S        S  S  S  S
Heat index                   86 94 93 87             84 92 93 83             82
Max heat         87          86    94    92          84    93    90          82


Date           11/14  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
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      72    87      72    87      73    88
Temp          88 78   74 80 87 77   73 79 87 77   73 79 87 77   74 80 88 78
Dewpt         70 70   68 68 71 69   69 68 70 69   68 68 71 69   68 70 71 71
PWind dir         E      NE     E       N     E      NE     E      NE     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    CL CL   CL CL FW FW   CL CL FW FW   CL CL FW FW   CL FW FW FW
PoP 12hr          0       0    20       5    20       5    20       5    20
Rain shwrs                   S  S          S  S          S  S       S  S  S

$$
PRZ008-120800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Tue Nov 11 2025

Date           11/11/25      Wed 11/12/25            Thu 11/13/25            Fri
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          86          74          86          72
Temp             78 77 76 75 80 85 86 80 78 76 75 74 80 85 86 79 76 74 73 72 78
Dewpt            75 74 73 71 74 76 75 73 73 73 72 71 73 75 75 75 74 73 71 70 72
RH               91 90 90 87 82 75 70 79 85 90 90 90 79 72 70 88 94 97 93 93 82
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E
Wind spd         16 13 12 12 14 17 19 17 16 14 12 11 10 12 12 10 13  9  9  9  9
Clouds           SC SC SC SC SC SC SC SC SC B1 SC SC SC SC SC SC FW FW FW FW CL
PoP 12hr                     30          30          40          30           0
QPF 12hr                   0.13        0.07        0.10        0.07           0
Rain shwrs        S  C  C  C  S  S  S  S  C  C  C  C  S  S  C  C
Heat index                   85 94 95 84             84 93 95
Max heat         86          85    96    92          84    95    92


Date           11/14  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
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      74    84      72    84      72    85      72    85
Temp          85 77   75 79 84 76   73 78 84 76   73 78 85 76   73 78 85 76
Dewpt         74 72   70 71 73 71   69 71 73 72   71 71 73 72   71 70 72 72
PWind dir         E       E     W      NE    NE       E    NE       E    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW SC   CL CL FW SC   FW FW SC SC   FW FW SC SC   CL CL FW SC
PoP 12hr         30       0    20      20    30      20    30       5    40
Rain shwrs     C  C          S  S    S  S  C  C    S  S  C  C          C  C

$$
PRZ010-120800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Tue Nov 11 2025

Date           11/11/25      Wed 11/12/25            Thu 11/13/25            Fri
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          92          73          91          71
Temp             78 76 74 73 82 90 91 83 79 76 74 73 81 89 90 81 77 74 72 71 80
Dewpt            75 74 73 73 74 77 76 75 73 73 72 72 74 76 77 76 74 73 72 71 72
RH               91 94 97100 77 66 62 77 82 90 93 97 79 66 66 85 90 97100100 77
Wind dir         NE NE NE NE NE  E  E  E NE NE NE  E  E  E NE NE  E  E  E  E  E
Wind spd          6  8  6  6  9 10  9 11 11 11  8  5  4  1  3  4  4  3  4  4  3
Clouds           SC FW FW FW CL FW SC B1 FW FW SC SC CL CL B1 B1 FW FW FW FW CL
PoP 12hr                     20          40           5          40           5
QPF 12hr                   0.01        0.20        0.01        0.20           0
Rain shwrs        S        S        C  C        S  S        C  C  S  S  S  S
Heat index                   88103104 90             87100102 87             84
Max heat         89          88   105   100          87   102    99          84


Date           11/14  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
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          91      72    90      72    89      71    90      71    90
Temp          90 78   73 80 89 77   73 80 88 76   72 80 89 77   72 80 89 77
Dewpt         75 73   71 72 74 72   71 72 75 72   71 72 74 73   71 68 70 71
PWind dir         E       E     W      NE    NE      NE    NE       E    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   CL CL FW SC   FW FW SC SC   CL FW SC SC   CL CL FW SC
PoP 12hr         30       0    40      10    40      10    40       0    30
Rain shwrs     C  C          C  C    S  S  C  C       S  C  C          C  C

$$
VIZ001-120800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Tue Nov 11 2025

Date           11/11/25      Wed 11/12/25            Thu 11/13/25            Fri
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          77
Temp             81 80 79 78 83 88 89 84 81 80 79 78 83 88 89 83 81 79 78 77 82
Dewpt            76 77 76 75 75 76 76 76 76 76 76 75 76 77 76 75 74 75 74 74 75
RH               85 91 91 91 77 68 66 77 85 88 91 91 80 70 66 77 79 88 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         16 17 16 16 16 16 14 14 18 18 18 17 16 14 12 13 13 13 13 12 11
Clouds           SC B2 SC B2 SC B2 SC SC B1 SC B1 B1 B1 B1 SC SC SC SC SC SC FW
PoP 12hr                     50          50          40          40          20
QPF 12hr                   0.30        0.18        0.14        0.08        0.02
Rain shwrs        S  C  C  C  C  C  S  C  C  C  C  C  C  C  S  S  S  S  S  S  S
Heat index       88 85       90 99100 92 88 85       91100 99 90 86          89
Max heat         92    87    90   100    98    87    91   100    97    85    89


Date           11/14  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
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      77    86      77    88      77    88
Temp          88 80   78 82 87 80   78 81 86 80   78 82 88 80   78 82 88 80
Dewpt         73 73   73 73 73 72   72 72 72 73   72 73 74 73   74 71 71 72
PWind dir         E       E    SE      NE     N       E     E       E     E
Wind char        GN      GN    LT      LT    LT      GN    GN      GN    BZ
Avg clouds    FW FW   SC SC FW FW   CL FW SC SC   SC SC SC SC   SC SC FW FW
PoP 12hr         20      20    20      20    30      30    40      40    10
Rain shwrs     S  S    S  S  S  S       S  S  C    C  C  C  C    C  C  S  S

$$
VIZ002-120800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Tue Nov 11 2025

Date           11/11/25      Wed 11/12/25            Thu 11/13/25            Fri
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          88          76          88          75
Temp             80 78 77 76 82 87 88 82 80 78 77 76 82 87 88 82 79 77 76 75 81
Dewpt            75 75 75 74 75 75 74 75 75 75 75 74 75 75 75 74 74 74 74 73 74
RH               85 91 94 94 79 68 63 79 85 91 94 94 79 68 66 77 85 90 94 94 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 13 12 13 14 14 13 12 16 16 16 13 13 14 13 11 12 12 12 10  9
Clouds           FW SC B1 B1 SC B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC CL
PoP 12hr                     40          40          40          40          20
QPF 12hr                   0.16        0.08        0.14        0.07        0.02
Rain shwrs           S  C  C  S  C  S  S  C  S  C  C  C  C  S  S  S  S  S  S
Heat index       84          88 96 97 88 84          88 96 97 87             86
Max heat         88          88    97    95          88    97    94          86


Date           11/14  Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
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      73    87      74    87
Temp          88 78   74 80 87 77   74 80 87 77   74 80 87 78   75 80 87 78
Dewpt         73 73   73 73 73 72   72 72 72 72   72 73 73 73   73 72 72 72
PWind dir         E       E    SE       E    NE       E     E       E     E
Wind char        GN      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    FW FW   FW FW FW FW   CL FW FW FW   FW SC SC FW   FW FW FW FW
PoP 12hr         10      10    20      20    20      30    30      10    10
Rain shwrs     S  S    S  S  S  S       S  S  S    S  C  C  S    S  S  S  S

$$