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 23 2025

PRZ001-240800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Sun Nov 23 2025

Date           11/23/25      Mon 11/24/25            Tue 11/25/25            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          86          75          87          76
Temp             78 76 75 74 80 85 86 81 78 77 76 75 81 86 87 82 79 78 77 76 81
Dewpt            70 70 69 69 70 70 71 70 70 70 70 70 70 71 71 71 71 71 71 70 70
RH               76 82 82 84 72 61 61 69 76 79 82 84 69 61 59 69 77 79 82 82 69
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  8  5  6  8 13 12 12 11 10  9 10 10 16 13 11 11 11 10 11 11
Clouds           B1 SC SC SC B2 B1 SC SC FW FW SC SC B2 B2 SC SC B1 B1 B1 B1 SC
PoP 12hr                     50          50          50          50          40
QPF 12hr                   0.11        0.14        0.13        0.11        0.14
Rain shwrs        C  S  S  S  C  C  C  C  S  S  C  C  C  C  S  S  C  C  C  C  C
Heat index                   83 89 91 84             84 91 92 86 82          84
Max heat         83          83    91    89          84    93    91          84


Date           11/26  Thu 11/27/25  Fri 11/28/25  Sat 11/29/25  Sun 11/30/25
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    86      75    87      75    88      76    87
Temp          86 78   76 80 86 78   76 81 87 79   76 81 88 80   77 81 87 78
Dewpt         71 71   71 71 72 72   71 72 72 72   71 71 72 72   71 71 72 71
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    SC SC   SC B1 B1 SC   SC SC SC SC   SC SC SC SC   B2 B1 B1 B2
PoP 12hr         30      40    40      30    30      30    50      50    50
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
PRZ002-240800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Sun Nov 23 2025

Date           11/23/25      Mon 11/24/25            Tue 11/25/25            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          84          75          85          76
Temp             78 77 76 75 79 83 84 80 78 76 76 75 80 84 85 81 79 77 77 76 80
Dewpt            71 70 70 70 71 72 71 71 71 71 71 71 71 73 72 72 72 72 71 71 72
RH               79 79 82 84 77 70 65 74 79 85 85 87 74 70 65 74 79 85 82 85 77
Wind dir         NE NE  E  E  E NE NE NE NE NE  E  E  E  E  E  E NE  E  E  E  E
Wind spd          9  8  8  8  8 12 12 11 11 11 10 10 11 13 13 11 13 13 12 13 14
Clouds           SC SC FW SC B2 B2 SC SC SC SC SC SC B2 B2 SC SC B1 B1 B1 B1 SC
PoP 12hr                     50          50          50          50          40
QPF 12hr                   0.09        0.19        0.15        0.17        0.15
Rain shwrs        C  S     S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Heat index                   82 89 89 83             83 90 91 85             84
Max heat         83          82    89    87          83    91    89          84


Date           11/26  Thu 11/27/25  Fri 11/28/25  Sat 11/29/25  Sun 11/30/25
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      76    86      76    85      75    86      76    86
Temp          85 79   77 81 86 79   77 80 85 78   76 80 86 79   77 81 86 78
Dewpt         72 72   72 73 72 73   72 73 73 73   73 73 73 73   72 73 74 71
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   B2 B1 B1 B1
PoP 12hr         30      30    30      30    30      30    50      50    40
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
PRZ007-240800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Sun Nov 23 2025

Date           11/23/25      Mon 11/24/25            Tue 11/25/25            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          87          72          87          73
Temp             76 74 72 71 79 86 87 80 77 74 73 72 79 86 87 80 77 75 74 73 80
Dewpt            72 70 69 67 70 72 73 72 71 70 68 68 71 73 72 72 71 71 69 69 71
RH               87 87 90 87 74 63 63 77 82 87 84 87 77 65 61 77 82 87 84 87 74
Wind dir         NE NE NE NE NE  E  E  E NE NE NE NE NE  E  E  E NE NE NE NE NE
Wind spd          5  6  5  5  4 11 14  9  8  9  8  8  6 14 14  9  6  6  6  6  5
Wind gust                                               25 25
Clouds           B1 SC FW FW FW SC SC CL CL CL CL FW SC SC SC SC SC SC FW FW CL
PoP 12hr                     40          30          10          20          10
QPF 12hr                   0.06        0.06        0.01        0.06        0.02
Rain shwrs        C  S           S  C              S  S  S  S  S  S  S
Heat index                      92 94 83             82 93 93 84             84
Max heat                           95    91          82    94    91          84


Date           11/26  Thu 11/27/25  Fri 11/28/25  Sat 11/29/25  Sun 11/30/25
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    89      73    88      73    88      73    89
Temp          88 78   74 81 89 78   74 80 88 78   74 80 88 78   74 81 89 78
Dewpt         72 71   70 71 73 72   70 72 74 72   71 72 73 72   70 72 74 69
PWind dir         E      NE     E      NE     E      NE     E      NE     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW SC   CL CL FW FW   CL CL FW FW   CL CL FW FW   CL CL FW FW
PoP 12hr         30       0    10       0     5       5    10       0     5
Rain shwrs     C  C          S  S                        S  S

$$
PRZ008-240800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Sun Nov 23 2025

Date           11/23/25      Mon 11/24/25            Tue 11/25/25            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 79
Dewpt            71 71 70 67 70 71 71 71 71 70 69 68 71 72 73 72 71 71 70 69 71
RH               85 90 90 84 76 67 65 77 85 84 84 84 77 67 67 79 82 87 87 87 77
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 12 13 11 10 13 17 18 17 17 13 13 14 18 19 18 17 17 16 14 17
Clouds           SC B2 B1 SC FW FW SC SC FW CL FW FW SC SC SC SC SC SC FW FW CL
PoP 12hr                     60          30          30          30          10
QPF 12hr                   0.17        0.07        0.05        0.05        0.02
Rain shwrs        C  L  C  S        C  S  S     S  S  C  C  S  S  S  S
Heat index                      88 89                   90 91
Max heat                           89    87                92    89


Date           11/26  Thu 11/27/25  Fri 11/28/25  Sat 11/29/25  Sun 11/30/25
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    85      73    85      73    86      73    85
Temp          85 77   74 79 85 77   74 79 85 77   74 79 86 77   74 79 85 77
Dewpt         72 71   71 71 73 72   70 72 74 72   71 72 73 72   71 72 73 71
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      GN    BZ      BZ    BZ      BZ    WY
Avg clouds    FW SC   SC SC CL CL   CL FW SC SC   SC SC SC SC   B1 B1 SC FW
PoP 12hr         30      30     5      10    30      30    40      40    20
Rain shwrs     S  C    C  C             S  S  C    C  C  S  C    C  C  S  S

$$
PRZ010-240800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Sun Nov 23 2025

Date           11/23/25      Mon 11/24/25            Tue 11/25/25            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                      70          90          71          90          71
Temp             76 73 71 70 79 88 89 81 77 74 72 71 80 88 89 81 77 74 72 71 80
Dewpt            72 71 70 68 70 73 73 72 71 70 69 69 71 73 74 73 71 71 70 70 71
RH               87 93 97 93 74 61 59 74 82 87 90 93 74 61 61 77 82 90 93 97 74
Wind dir         NE NE NE  E  E NE  E NE NE NE NE NE NE  E  E  E NE  E  E  E  E
Wind spd          8 10 10  9  8  8  4  9 13 12 11 10 11 13 12 12 12 12 12 10 11
Clouds           B1 SC SC FW FW FW B2 SC SC CL CL CL SC SC B1 B1 FW FW FW FW CL
PoP 12hr                     40          60          20          40           0
QPF 12hr                   0.06        0.22        0.03        0.27           0
Rain shwrs        C  S  S           L  C  S           S  S  C  C
Heat index                   82 96 98 85             83 96 99 85             84
Max heat         84          82    98    94          83    99    95          84


Date           11/26  Thu 11/27/25  Fri 11/28/25  Sat 11/29/25  Sun 11/30/25
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      71    90      71    90      71    91      71    91
Temp          90 77   72 80 89 77   72 80 89 77   72 80 90 77   72 80 90 78
Dewpt         73 72   71 72 75 72   70 72 74 73   71 72 75 73   71 72 74 70
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    LT      LT    LT      GN    GN      GN    BZ
Avg clouds    FW SC   CL CL FW SC   CL CL FW SC   FW FW FW SC   FW FW FW SC
PoP 12hr         20       0    30       0    30       5    30       5    20
Rain shwrs     S  S          C  C          C  C          C  C          S  S

$$
VIZ001-240800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Sun Nov 23 2025

Date           11/23/25      Mon 11/24/25            Tue 11/25/25            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                      78          87          79          87          79
Temp             81 79 79 78 82 86 87 83 81 80 80 79 83 86 87 83 81 80 80 79 83
Dewpt            72 71 72 71 73 73 73 72 72 72 73 73 73 73 73 74 73 73 73 73 73
RH               74 77 79 79 74 65 63 70 74 77 79 82 72 65 63 74 77 79 79 82 72
Wind dir          E  E  E  E  E  E  E NE NE NE  E  E  E  E  E  E  E  E  E  E  E
Wind spd         12 14 14 13 16 17 16 17 18 18 16 18 17 17 19 18 19 19 20 20 21
Clouds           SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr                     40          40          40          40          30
QPF 12hr                   0.16        0.16        0.13        0.14        0.07
Rain shwrs        S  S  S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  S
Heat index       85 83       88 93 94 88 86 84 83    89 93 94 90 86 85 83    89
Max heat         88    84    88    94    93    85    89    94    93    86    89


Date           11/26  Thu 11/27/25  Fri 11/28/25  Sat 11/29/25  Sun 11/30/25
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      79    88      79    87      79    88      79    88
Temp          88 82   80 83 88 82   80 83 87 81   80 83 88 82   80 83 88 82
Dewpt         73 73   74 74 74 74   74 75 74 74   74 74 75 74   74 75 74 71
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      BZ    BZ      WY    WY
Avg clouds    SC SC   SC SC SC FW   FW FW SC SC   SC SC FW SC   SC SC SC SC
PoP 12hr         20      20    20      10    20      10    30      30    30
Rain shwrs     S  S    S  S  S  S       S  S  S    S  S  S  C    C  C  C  S

$$
VIZ002-240800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Sun Nov 23 2025

Date           11/23/25      Mon 11/24/25            Tue 11/25/25            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          86          75          87          76
Temp             78 77 76 75 80 85 86 81 78 77 76 75 81 86 87 82 79 78 77 76 81
Dewpt            71 71 70 69 71 72 72 72 72 72 71 71 73 73 73 72 72 72 71 71 73
RH               79 82 82 82 74 65 63 74 82 85 85 87 77 65 63 72 79 82 82 85 77
Wind dir         NE NE  E  E  E  E  E  E NE NE  E  E  E  E  E  E  E  E  E  E  E
Wind spd         12 12 11 12 11 12 12 14 14 16 13 14 14 17 16 14 16 17 17 17 18
Clouds           SC FW FW FW SC B1 SC SC SC SC SC SC SC SC B1 B1 SC SC FW FW CL
PoP 12hr                     20          40          30          40          30
QPF 12hr                   0.04        0.16        0.10        0.14        0.03
Rain shwrs        S           S  C  C  C  C  C  C  C  C  C  C  C  C  C
Heat index                   84 91 92 85             85 93 94 86 83          86
Max heat         84          84    92    90          85    95    92          86


Date           11/26  Thu 11/27/25  Fri 11/28/25  Sat 11/29/25  Sun 11/30/25
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      76    85      75    87      75    86
Temp          87 79   76 81 87 79   77 80 85 78   76 81 87 79   76 80 86 78
Dewpt         72 73   72 74 73 73   72 74 74 73   73 74 74 73   73 74 74 71
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    FW SC   SC SC SC FW   FW FW SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         20      20    20      10    30      30    20      30    30
Rain shwrs     S  S    S  S  S          S  S  C    C  C  S  S    S  C  C  C

$$