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 Mar 9 2025

PRZ001-100800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Sun Mar 9 2025

Date           03/09/25      Mon 03/10/25            Tue 03/11/25            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                      73          87          73          89          73
Temp             78 76 74 73 80 85 87 82 78 76 74 73 81 87 89 83 79 76 74 73 81
Dewpt            72 71 71 71 71 71 71 71 70 70 70 70 70 70 70 71 71 71 70 70 71
RH               82 85 90 93 74 63 59 69 76 82 87 90 69 57 54 67 77 85 87 90 72
Wind dir          E  E  E  E  E  E  E  E  E SE SE SE SE  E  E SE SE SE  S  S  S
Wind spd          8  5  5  5  8 12 11 11  8  6  4  4  5 11 11 10  6  5  4  4  5
Clouds           CL FW SC SC SC SC FW FW FW CL FW SC FW FW CL CL CL CL CL CL SC
PoP 12hr                     20          10          10           5          10
QPF 12hr                   0.08        0.06        0.02           0           0
Rain shwrs              S  S  S  S        S        S                          S
Heat index                   83 90 93 86             85 92 94 88             85
Max heat         87          83    93    91          85    94    93          85


Date           03/12  Thu 03/13/25  Fri 03/14/25  Sat 03/15/25  Sun 03/16/25
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      73    86      73    86      72    84      73    85
Temp          89 79   74 79 86 78   74 79 86 77   73 78 84 77   74 79 85 77
Dewpt         71 72   71 71 71 71   71 70 71 70   69 69 71 70   69 69 69 69
PWind dir         E       E    NE       E     E       E    NE       E    NE
Wind char        LT      LT    GN      LT    LT      LT    GN      GN    BZ
Avg clouds    FW FW   FW FW SC B1   B2 B2 B2 B2   OV OV B2 B1   SC SC SC FW
PoP 12hr         10      10    60      60    70      70    70      30    30
Rain shwrs     S          S  S  L    L  L  L  L    L  L  L  C    C  C  C  S
Tstms                           S    S  S  S  S    S  S  S

$$
PRZ002-100800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Sun Mar 9 2025

Date           03/09/25      Mon 03/10/25            Tue 03/11/25            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          84          74
Temp             78 77 76 75 79 83 84 81 78 77 76 75 79 83 84 81 78 76 75 74 79
Dewpt            72 71 71 71 72 72 72 71 71 71 71 70 71 71 72 71 72 71 71 71 72
RH               82 82 85 87 79 70 67 72 79 82 85 84 77 67 67 72 82 85 87 90 79
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E SE SE SE SE SE SE SE SE SE
Wind spd          6  6  5  8  9 11 12 11  9  8  6 10  9 12  9  6  5  6  5  4  2
Clouds           CL CL SC SC SC SC FW FW CL FW SC SC SC SC CL CL SC SC SC SC B2
PoP 12hr                     30          30          20          20          50
QPF 12hr                   0.11        0.08        0.03           0        0.02
Rain shwrs              S  C  C  S           S  S  S  S  S        S  S  S  S  C
Heat index                      88 90 85                88 90 85
Max heat         85                90    90                90    90


Date           03/12  Thu 03/13/25  Fri 03/14/25  Sat 03/15/25  Sun 03/16/25
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    83      74    83      73    82      74    82
Temp          85 77   74 78 83 77   75 78 83 77   74 77 82 77   75 78 82 77
Dewpt         71 72   71 71 72 72   71 71 72 71   70 71 71 70   69 70 70 69
PWind dir        SE       E     E      NE     E      NE    NE      NE    NE
Wind char        LT      LT    LT      LT    GN      LT    GN      GN    BZ
Avg clouds    SC FW   FW SC SC B1   B2 B2 B2 B2   OV OV B2 B1   B1 B1 SC FW
PoP 12hr         50      20    60      60    70      70    70      40    40
Rain shwrs     C  S    S  S  C  L    L  L  L  L    L  L  L  C    C  C  C  S
Tstms                           S    S  S  S  S    S  S  S

$$
PRZ007-100800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Sun Mar 9 2025

Date           03/09/25      Mon 03/10/25            Tue 03/11/25            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          88          71          88          71
Temp             77 74 72 71 79 86 88 82 77 74 72 71 79 86 88 82 77 74 72 71 79
Dewpt            69 68 67 64 63 65 69 68 67 66 65 65 68 66 65 65 66 66 65 63 64
RH               76 82 84 79 58 50 54 63 71 76 79 81 69 51 47 56 69 76 79 76 60
Wind dir          E NE NE NE  E SE SE SE  E NE NE NE  E SE SE SE  E  E  E  E  E
Wind spd          5  4  4  4  4 12 12 10  8  5  4  4  4 11 10  8  4  4  3  3  3
Clouds           CL CL FW FW SC SC SC SC CL CL FW FW FW FW SC SC FW FW FW FW FW
PoP 12hr                     10          10           5           5           5
QPF 12hr                   0.02        0.11        0.01           0           0
Rain shwrs                    S  S  S  S                    S  S              S
Heat index                      88 92 85                88 90 84
Max heat         85                92    91                90    89


Date           03/12  Thu 03/13/25  Fri 03/14/25  Sat 03/15/25  Sun 03/16/25
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      71    88      71    86      71    86      70    87
Temp          88 77   72 79 88 77   72 78 86 76   72 78 86 76   71 78 87 76
Dewpt         66 72   69 70 73 71   70 70 73 70   68 69 72 68   67 67 66 65
PWind dir        SE      NE     E      NE     E      NE     E      NE     E
Wind char        LT      LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    SC FW   FW FW FW SC   SC SC B1 B2   SC SC SC B1   CL CL FW FW
PoP 12hr          5       0    30      20    70      30    70       0    10
Rain shwrs     S  S          C  C    S  S  L  L    C  C  L  L          S  S
Tstms                                      S  S          S  S

$$
PRZ008-100800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Sun Mar 9 2025

Date           03/09/25      Mon 03/10/25            Tue 03/11/25            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          83          69          83          71
Temp             75 72 71 70 76 81 83 78 74 72 70 69 76 81 83 79 75 73 72 71 77
Dewpt            71 72 71 70 68 70 71 71 71 71 70 68 66 68 69 70 70 71 71 70 68
RH               87100100100 76 69 67 79 90 97100 97 71 65 63 74 84 93 97 97 74
Wind dir          E  E  E  E  E  E  E NE  E SE  E SE SE NE NW  N  E SE SE SE SE
Wind spd          9 12 12 11 12 12  8  2  4  3  3  5  5  3  8  3  6  4  2  4  3
Clouds           FW FW FW FW FW FW SC SC SC FW SC FW CL CL SC SC SC SC SC SC FW
PoP 12hr                      5          20          20          30           5
QPF 12hr                   0.02        0.10        0.02        0.02           0
Rain shwrs                          S  S  S  S  S           C  C  S  S  S  S
Heat index                      85 88                   84 87
Max heat                           88    86                87    87


Date           03/12  Thu 03/13/25  Fri 03/14/25  Sat 03/15/25  Sun 03/16/25
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    81      70    81      70    80      70    81
Temp          83 75   72 76 81 74   71 75 81 74   71 75 80 74   71 75 81 74
Dewpt         71 70   71 69 71 70   71 68 70 69   70 68 69 69   69 67 69 68
PWind dir         W      NE    NE       E    NE       E    NE       E    NE
Wind char        LT      GN    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    FW FW   SC SC FW FW   SC SC B1 B1   SC SC B2 B1   SC SC CL CL
PoP 12hr          5      10    20      30    50      60    60      20     0
Rain shwrs        S    S  S  S  S    S  C  C  C    S  L  L  C    S  S
Tstms                                      S  S       S  S

$$
PRZ010-100800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Sun Mar 9 2025

Date           03/09/25      Mon 03/10/25            Tue 03/11/25            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          87          68          89          70
Temp             76 73 71 70 78 85 87 80 75 71 69 68 78 86 89 82 77 73 71 70 79
Dewpt            74 73 71 70 71 73 74 74 73 71 69 68 70 73 73 73 72 71 71 69 71
RH               94100100100 79 67 65 82 94100100100 76 65 59 74 85 93100 97 77
Wind dir         NE NE NE  E  E  S  W  N  E  E  E  E  E  S  S  S  E  E SE SE SE
Wind spd          5  6  6  6  6  3  6  5  6  6  6  6  6  4  8  8  6  8  5  4  4
Clouds           SC CL CL FW FW FW SC B1 SC CL FW FW CL CL B1 B1 FW FW FW FW FW
PoP 12hr                     20          40          20          40           5
QPF 12hr                   0.03        0.36        0.02        0.03           0
Rain shwrs        S                 C  C  S                 C  C
Heat index                      92 95 84                93 97 87
Max heat         87                95    94                97    96


Date           03/12  Thu 03/13/25  Fri 03/14/25  Sat 03/15/25  Sun 03/16/25
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      70    86      70    86      68    85      69    87
Temp          88 76   71 78 86 76   71 78 86 74   69 76 85 75   70 78 87 75
Dewpt         74 72   71 71 75 73   71 71 75 72   69 70 73 71   69 69 72 70
PWind dir        SW      NE    NE      NE    NE       E    NE      NE    NE
Wind char        LT      GN    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW SC   FW FW FW SC   CL FW SC B1   FW SC B1 B1   SC FW FW FW
PoP 12hr         10       5    20       5    70      30    60      10     5
Rain shwrs     S  S          S  S       S  L  L       C  L  L    S  S  S  S
Tstms                                      S  S          S  S

$$
VIZ001-100800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Sun Mar 9 2025

Date           03/09/25      Mon 03/10/25            Tue 03/11/25            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                      76          85          76          85          76
Temp             79 78 77 76 80 84 85 82 79 78 77 76 80 84 85 82 79 78 77 76 80
Dewpt            71 70 70 70 71 71 71 70 69 70 70 69 70 71 71 71 70 70 70 70 71
RH               77 76 79 82 74 65 63 67 72 76 79 79 72 65 63 69 74 76 79 82 74
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E SE SE SE SE SE SE SE SE
Wind spd         11 10 12 12 13 17 16 13 13 12 12 13 18 13 11 10 10 11 10  5  3
Clouds           CL CL SC SC SC SC FW FW CL FW FW SC FW FW FW FW SC SC SC SC SC
PoP 12hr                     30          30          10          20          30
QPF 12hr                   0.11        0.08        0.02           0        0.01
Rain shwrs              S  C  C  S           S  S  S  S  S        S  S  S  S  C
Heat index                   83 89 90 86             83 89 90 86             83
Max heat         86          83    90    90          83    90    90          83


Date           03/12  Thu 03/13/25  Fri 03/14/25  Sat 03/15/25  Sun 03/16/25
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    85      74    85      74    85      74    85
Temp          85 79   77 80 85 78   75 79 85 78   75 79 85 78   75 79 85 78
Dewpt         71 70   71 70 70 70   71 71 70 70   69 69 69 69   69 69 69 69
PWind dir        SE       E    NE      NE     E       E     E      NE    NE
Wind char        LT      LT    GN      GN    GN      GN    GN      BZ    BZ
Avg clouds    SC SC   SC SC SC SC   SC B1 B1 B2   B2 B2 B2 B1   B1 B1 SC FW
PoP 12hr         30      30    30      40    60      70    70      40    20
Rain shwrs     C  S    S  C  C  C    C  C  C  L    L  L  L  C    C  C  S
Tstms                                      S  S    S  S  S  S

$$
VIZ002-100800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Sun Mar 9 2025

Date           03/09/25      Mon 03/10/25            Tue 03/11/25            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          86          74
Temp             79 76 75 74 80 84 86 82 79 77 76 75 80 85 86 82 78 76 75 74 80
Dewpt            72 71 71 71 71 71 71 71 70 70 70 69 71 71 71 71 71 70 70 71 72
RH               79 85 87 90 74 65 61 69 74 79 82 82 74 63 61 69 79 82 84 90 77
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E SE SE SE SE SE SE SE
Wind spd         11 10 10 11 13 16 14 12 10 11 11 13 14 12 12 10  6  5  5  5  4
Clouds           CL FW SC SC FW FW FW FW CL CL SC SC FW FW FW FW SC SC SC SC SC
PoP 12hr                     10           5          20          10          10
QPF 12hr                   0.03        0.04        0.03           0        0.01
Rain shwrs              S  S  S  S              S  S  S  S        S  S  S  S  S
Heat index                   83 89 91 86             83 90 91 86             84
Max heat         87          83    91    91          83    91    91          84


Date           03/12  Thu 03/13/25  Fri 03/14/25  Sat 03/15/25  Sun 03/16/25
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    86      74    86      73    85      74    85
Temp          86 78   75 80 86 78   75 80 86 78   74 79 85 78   75 79 85 77
Dewpt         72 70   70 71 71 70   71 71 72 70   70 71 71 70   70 70 71 69
PWind dir        SE       E     E       E     E       E     E      NE    NE
Wind char        LT      GN    GN      GN    GN      GN    GN      BZ    BZ
Avg clouds    SC B1   B2 B1 B1 SC   SC SC SC SC   SC SC B1 B1   B1 B1 SC SC
PoP 12hr         50      50    40      20    20      40    50      40    30
Rain shwrs     C  C    C  C  C  S    S  S  S  S    S  C  C  C    C  C  C  S
Tstms                                                    S  S

$$