Point Forecast Matrices
Issued by NWS San Juan, PR

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Point Forecast Matrices
National Weather Service San Juan PR
503 AM AST Sun Oct 6 2024

PRZ001-062000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Sun Oct 6 2024

Date             Sun 10/06/24            Mon 10/07/24            Tue 10/08/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      89          80          89          79          92
Temp             85 88 89 84 82 81 80 80 85 89 89 85 83 82 81 80 86 90 91 86 83
Dewpt            77 77 77 77 76 76 76 76 77 77 77 77 77 77 76 77 77 78 78 77 77
RH               77 70 68 80 82 85 88 88 77 68 68 77 82 85 85 91 75 68 66 75 82
Wind dir          S NE  E SE  S  S  S  S  S  E  N  S  S  S  S  N SE SE SE SE SE
Wind spd          2  4  3  2  3  4  4  3  3  3  5  3  5  4  4  4  4  6 11  9  6
Clouds           B2 B1 B1 B2 B2 SC B2 SC SC B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC
PoP 12hr                     60          60          60          40          40
QPF 12hr                   0.61        0.30        0.35        0.23        0.16
Rain shwrs        C  C  C  C  L  C  C  S  S  C  L  L  C  C  C  C  C  C  C  C  C
Tstms             S        S  S     S           S  S
Heat index       95100102 94 90 88 85 85 95101102 96 92 90 87 86 97104106 97 92
Max heat         95   102   101    89    95   102   102    92    97   106   104
High Surf         Y  Y  Y  Y


Date          Wed 10/09/24  Thu 10/10/24  Fri 10/11/24  Sat 10/12/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          80    92      80    91      79    90      80    90
Temp          81 86 91 83   81 86 91 84   82 86 90 84   83 87 90 84
Dewpt         77 78 78 78   78 79 78 77   77 77 77 77   76 78 78 78
PWind dir         S    SE      SE    SE      SE     E      SE     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B1 SC FW SC   FW FW SC SC   FW FW SC SC   FW FW FW FW
PoP 12hr         40    30      20    40      20    40      10    20
Rain shwrs     C  C  C  C    S  S  C  C    S  S  C  C    S  S  S  S

$$
PRZ002-062000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Sun Oct 6 2024

Date             Sun 10/06/24            Mon 10/07/24            Tue 10/08/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          76          90          76          90
Temp             84 89 90 83 80 78 76 76 84 89 90 85 83 82 81 80 86 90 90 86 83
Dewpt            78 78 77 78 77 76 76 76 78 78 77 77 77 76 76 76 78 79 78 79 78
RH               82 70 66 85 91 94100100 82 70 66 77 82 82 85 88 77 70 68 80 85
Wind dir         SE SE  S SE SE SE  S  S  S  S  S  S  S  S SE SE SE SE SE SE SE
Wind spd          2  4  5  5  5  4  4  3  2  6  6  5  5  4  6  6  5 10  9  6  4
Clouds           B2 B2 SC SC SC B1 B2 B2 SC B2 B2 B2 B1 B1 B1 B1 B2 B2 SC SC SC
PoP 12hr                     60          60          60          50          50
QPF 12hr                   0.31        0.44        0.32        0.24        0.16
Rain shwrs        L  L  C  C  C  C  C  L  C  L  C  C  C  C  C  C  C  C  S  S  C
Tstms             S  S              S  S     S  S  S              S  S
Heat index       95103103 92 86          95102103 96 92 90 87 86 99106104 99 92
Max heat         95   104   102          95   104   102    92    99   106   105
High Surf         Y  Y  Y  Y


Date          Wed 10/09/24  Thu 10/10/24  Fri 10/11/24  Sat 10/12/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          80    91      80    91      77    90      78    91
Temp          81 86 90 83   81 86 90 84   82 86 90 84   82 87 90 84
Dewpt         77 79 79 79   78 79 79 77   77 78 78 77   77 79 79 78
PWind dir        SE    SE      SE    SE      SE     E       E     E
Wind char        LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 SC FW SC   SC SC SC SC   SC SC SC SC   FW FW SC SC
PoP 12hr         40    40      30    50      20    50      10    30
Rain shwrs     C  C  C  C    C  C  C  C    S  S  C  C    S  S  C  C

$$
PRZ007-062000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Sun Oct 6 2024

Date             Sun 10/06/24            Mon 10/07/24            Tue 10/08/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          79          90          78          92
Temp             85 89 90 85 82 81 79 79 86 90 90 85 83 81 80 79 86 90 91 86 83
Dewpt            72 72 72 72 72 72 72 72 72 72 73 73 73 73 73 73 73 72 72 71 71
RH               65 57 56 65 72 74 79 79 63 56 58 67 72 77 79 82 65 56 54 61 67
Wind dir         NE  S  S  S  N NE  N  N NE SE  S  S  E NE  E NE  E SE SE SE  E
Wind spd          2  3  3  3  2  3  2  4  2  5  6  6  4  4  4  3  4  8  8  5  3
Clouds           SC SC SC SC B2 B1 SC SC SC SC B1 B1 CL CL B2 B2 SC SC CL CL CL
PoP 12hr                     50          50          40          50          30
QPF 12hr                   0.17        0.25        0.14        0.17        0.05
Rain shwrs        S  S  S  C  C  C  S  C  C  C  C  C        C  C  C  C
Tstms                         S                             S  S
Heat index       91 96 97 91 87 85       92 97 99 92 89 86 84    93 97 99 91 88
Max heat         91    97    96    85    92    99    98    87    93    99    97


Date          Wed 10/09/24  Thu 10/10/24  Fri 10/11/24  Sat 10/12/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          80    92      80    92      77    92      79    91
Temp          81 86 91 83   81 86 91 83   80 86 91 84   82 87 91 84
Dewpt         71 74 74 75   74 75 74 74   73 72 71 73   73 73 74 72
PWind dir         E    SE       E    SE       E     E       E     E
Wind char        LT    LT      LT    GN      LT    LT      LT    GN
Avg clouds    FW SC FW SC   CL FW FW FW   CL CL FW FW   CL CL FW FW
PoP 12hr         40    30      10    20       5    20       5    20
Rain shwrs     C  C  C  C       S  S  S          S  S          S  S

$$
PRZ008-062000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Sun Oct 6 2024

Date             Sun 10/06/24            Mon 10/07/24            Tue 10/08/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      86          77          86          77          88
Temp             82 85 86 81 79 78 77 77 82 86 86 83 81 80 79 78 83 87 87 83 81
Dewpt            74 75 76 74 74 76 75 74 74 75 75 74 74 76 75 74 74 76 76 75 75
RH               77 72 72 79 85 94 94 90 77 70 70 74 79 88 88 88 74 70 70 77 82
Wind dir          E NE NW NE  E  E SE SE  S  W  W SE  E SE SE  S SE SE  W SE  E
Wind spd          2  3  2  1  2  3  3  3  4  2  5  1  3  4  3  4  5  4  5  5  5
Clouds           SC CL SC OV B1 CL SC SC CL CL B2 B2 B2 B2 SC SC CL CL B2 B2 SC
PoP 12hr                     70          40          60          60          60
QPF 12hr                   0.63        0.06        0.27        0.28        0.60
Rain shwrs        S     C  L  C     C  S        C  C  L  L  S  S        L  L  S
Tstms                      S                    S  S  S  S              S  S
Heat index       88 94 96 86             88 95 96 90 86 85       90 97 98 90 87
Max heat         88    96    94          88    96    95    85    90    98    96
High Surf         Y  Y  Y  Y


Date          Wed 10/09/24  Thu 10/10/24  Fri 10/11/24  Sat 10/12/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          78    88      78    87      76    87      78    86
Temp          79 83 87 81   79 83 86 81   79 83 86 82   80 84 86 81
Dewpt         76 75 77 76   77 76 78 76   76 75 76 75   76 74 77 76
PWind dir        SE     S      SE     E      SE    NE       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW CL FW SC   FW FW SC SC   FW FW FW SC   FW FW FW FW
PoP 12hr         10    40      10    30      10    50       5    10
Rain shwrs     S     C  C    S  S  C  C    S  S  C  C    S  S  S  S

$$
PRZ010-062000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Sun Oct 6 2024

Date             Sun 10/06/24            Mon 10/07/24            Tue 10/08/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          77          89          75          91
Temp             84 89 90 83 81 79 77 77 84 89 89 83 80 78 77 76 84 89 90 83 80
Dewpt            77 78 79 77 76 76 75 74 77 79 80 77 76 76 75 74 77 79 80 77 76
RH               80 70 70 82 85 91 94 90 80 73 75 82 88 94 94 94 80 73 73 82 88
Wind dir          E SW SW  E  E  E  S  N SE SW SW  S  E SE SE SE SE  S  S SE SE
Wind spd          2  3  3  2  1  3  3  3  4  4  6  4  5  5  5  6  8  9 10 10  8
Clouds           CL SC B2 OV B1 SC CL CL CL CL B2 B2 SC SC SC SC SC SC B1 B1 CL
PoP 12hr                     80          40          50          10          40
QPF 12hr                   1.02        0.03        0.14        0.03        0.13
Rain shwrs           S  C  D  C  S              C  C  S  S  S  S  S  S  C  C
Tstms                   S  C                    S  S
Heat index       94103106 92 87          94105107 92 85          94105108 92 86
Max heat         94   106   104    86    94   107   105    85    94   108   105


Date          Wed 10/09/24  Thu 10/10/24  Fri 10/11/24  Sat 10/12/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          76    91      77    91      75    91      76    90
Temp          77 84 90 81   78 85 90 81   78 85 90 82   79 86 90 82
Dewpt         76 79 80 77   77 79 80 77   76 77 79 77   76 77 79 78
PWind dir        SE    SE      SE    SE       E    SE       E     E
Wind char        LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    FW FW FW SC   CL FW SC SC   CL CL FW SC   CL CL FW SC
PoP 12hr         10    30      10    40       0    50       0    40
Rain shwrs     S  S  C  C       S  C  C          C  C          C  C

$$
VIZ001-062000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Sun Oct 6 2024

Date             Sun 10/06/24            Mon 10/07/24            Tue 10/08/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      88          80          88          80          89
Temp             84 87 88 84 82 81 80 80 84 87 88 85 84 83 82 82 86 88 89 86 85
Dewpt            77 77 77 77 76 76 76 77 77 77 77 77 77 77 77 77 78 78 78 78 78
RH               80 72 70 80 82 85 88 91 80 72 70 77 80 82 85 85 77 72 70 77 80
Wind dir         SE SE  S SE SE SE SE SE SE  S  S SE SE SE SE SE SE SE SE SE SE
Wind spd          4  4  4  5  6  6  6  6  5  6  5  5  9 10 10 10  9 10 10  8  9
Clouds           B2 B2 B2 B1 SC B2 B2 B2 SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     50          60          40          40          30
QPF 12hr                   0.41        0.49        0.19        0.22        0.14
Rain shwrs        C  C  C  C  S  C  L  L  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms             S  S  S        S  S  S
Heat index       93 98100 94 89 87 86 86 94 99100 96 93 92 90 90 98102103 98 96
Max heat         93   100    99    87    94   100    99    93    98   103   102


Date          Wed 10/09/24  Thu 10/10/24  Fri 10/11/24  Sat 10/12/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          83    89      83    90      80    90      80    89
Temp          83 86 88 85   83 86 89 85   84 86 89 84   82 86 89 84
Dewpt         78 79 79 79   79 79 78 77   77 78 77 77   78 78 78 78
PWind dir        SE    SE      SE    SE       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   FW SC SC FW
PoP 12hr         40    40      30    40      20    50      30    30
Rain shwrs     C  C  C  S    S  C  C  C    S  S  C  C    S  C  C  S

$$
VIZ002-062000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Sun Oct 6 2024

Date             Sun 10/06/24            Mon 10/07/24            Tue 10/08/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          77          90          78          91
Temp             83 89 90 83 80 79 77 77 84 89 90 85 83 82 81 80 86 89 90 86 84
Dewpt            77 77 77 76 76 76 76 76 77 77 77 77 77 77 77 77 78 78 78 78 78
RH               82 68 66 80 88 91 97 97 80 68 66 77 82 85 88 91 77 70 68 77 82
Wind dir          E SE SE SE SE SE SE  S SE SE  S SE SE SE SE SE SE SE SE SE SE
Wind spd          2  3  4  5  5  6  5  5  4  8  8  6  5  8  8  8  8  9  8  6  6
Clouds           B2 B2 B2 SC SC SC B2 B2 B2 SC B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                     60          60          50          30          30
QPF 12hr                   0.43        0.39        0.24        0.08        0.07
Rain shwrs        C  C  L  C  S  C  C  L  C  C  C  C  C  C  S  S  S  S  S  S  C
Tstms             S  S  S           S  S  S
Heat index       92101102 91 85          94101103 95 92 90 88 87 99103105 98 95
Max heat         92   103   101    86    94   103   101    92    99   105   103


Date          Wed 10/09/24  Thu 10/10/24  Fri 10/11/24  Sat 10/12/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          81    91      82    92      78    91      78    91
Temp          82 87 91 85   83 87 91 84   82 87 91 85   82 87 91 84
Dewpt         78 79 79 79   78 79 78 77   77 78 77 77   77 78 78 78
PWind dir        SE    SE      SE    SE       E     E       E     E
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC FW FW SC   FW SC SC FW
PoP 12hr         40    40      40    50      20    30      30    30
Rain shwrs     C  C  C  C    C  C  C  C    S  S  C  C    S  C  C  S

$$