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Issued by NWS San Juan, PR

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Point Forecast Matrices
National Weather Service San Juan PR
503 PM AST Wed Mar 27 2024

PRZ001-280800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Wed Mar 27 2024

Date           03/27/24      Thu 03/28/24            Fri 03/29/24            Sat
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          85          73          86          77
Temp             78 76 75 74 79 84 85 81 77 75 74 73 79 84 86 83 80 79 78 77 81
Dewpt            67 66 65 64 64 64 65 65 66 66 66 66 66 66 66 66 66 66 66 66 67
RH               69 71 71 71 60 51 51 58 69 74 76 79 64 55 51 57 62 64 67 69 63
Wind dir          N NW NW  W  W NW NW NW  W  W  W  W  W NW NW NW NW  N  N  N NE
Wind spd          8  9  6  5  5  6 12 10  8  8  9  9  8 10 11  8  5  5  6  5  5
Clouds           FW SC CL CL CL CL FW FW FW FW SC SC FW FW FW FW FW FW FW FW SC
PoP 12hr                     20          10          20          10          20
QPF 12hr                   0.01        0.02        0.01        0.01        0.01
Rain shwrs        S  S              S  S  S  S  S  S        S  S              S
Heat index                      85 87 83                86 88 85 82          84
Max heat         84                87    87                88    88    82    84
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date           03/30  Sun 03/31/24  Mon 04/01/24  Tue 04/02/24  Wed 04/03/24
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      77    86      77    86      78    87      77    87
Temp          86 80   78 81 86 80   78 82 86 81   78 83 87 81   78 83 87 82
Dewpt         69 71   70 70 69 69   68 68 68 68   69 69 70 70   70 70 72 72
PWind dir        NE      NE    NE      NE    NE       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC   SC SC SC SC   SC SC FW FW   SC SC SC FW   CL FW FW FW
PoP 12hr         20      30    30      10    20      30    30       5    10
Rain shwrs     S  S    S  C  C  S    S  S  S  S    S  C  C  S          S  S

$$
PRZ002-280800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Wed Mar 27 2024

Date           03/27/24      Thu 03/28/24            Fri 03/29/24            Sat
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          86          71          85          77
Temp             77 74 73 72 79 84 86 81 76 74 72 71 78 83 85 82 80 78 78 77 81
Dewpt            69 68 66 65 65 66 66 67 67 67 67 66 67 67 68 68 68 67 67 67 68
RH               76 82 79 79 62 55 51 63 74 79 84 84 69 59 57 63 67 69 69 71 65
Wind dir          N  N  N NW NW NW  W NW NW NW  W NW NW NW NW NW NW  N  N  N  N
Wind spd         10 10  9  8  6  2  2  3  6  8  8  8  6  4  6  5  5  8  9  8  8
Clouds           FW FW CL CL CL CL FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                      5          20          10          20          10
QPF 12hr                      0        0.03        0.01        0.02           0
Rain shwrs        S  S              S  S  S  S  S  S        S  S              S
Heat index                      86 88 83                86 88 85 82          84
Max heat         83                88    88                88    88          84
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date           03/30  Sun 03/31/24  Mon 04/01/24  Tue 04/02/24  Wed 04/03/24
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      77    85      77    85      78    86      77    86
Temp          85 80   78 81 85 80   77 81 85 81   78 82 86 80   78 82 86 81
Dewpt         70 71   71 72 71 70   69 70 70 70   70 71 71 71   71 72 73 73
PWind dir        NE      NE    NE      NE    NE      NE     E       E     E
Wind char        LT      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC   SC SC B1 SC   SC SC SC SC   SC SC SC FW   CL FW FW FW
PoP 12hr         20      40    40      10    20      30    30       5    10
Rain shwrs     S  S    S  C  C  C    S  S  S  S    S  C  C  S          S  S

$$
PRZ007-280800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Wed Mar 27 2024

Date           03/27/24      Thu 03/28/24            Fri 03/29/24            Sat
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          85          73          86          77
Temp             78 76 75 74 79 84 85 81 77 75 74 73 79 84 86 83 80 79 78 77 81
Dewpt            64 62 61 60 60 60 63 62 61 62 61 62 62 61 61 63 63 62 61 63 63
RH               62 62 62 62 52 44 48 53 58 64 64 68 56 46 43 51 56 56 56 62 54
Wind dir          N  N  N  N  N SW SW  W  N NW NW  N  N  S SW SW  N  N  N  N NE
Wind spd          5  8  6  5  3  6 10  9  4  6  5  4  2  6 10  5  3  6  5  3  2
Clouds           FW CL CL CL CL CL FW FW CL CL CL CL FW FW CL CL CL CL CL CL FW
PoP 12hr                      5          10           0           5          10
QPF 12hr                      0        0.01           0           0           0
Rain shwrs        S                 S  S                                      S
Heat index                      84 86 82                84 86 84 81          82
Max heat         83                86    86                86    86    81    82


Date           03/30  Sun 03/31/24  Mon 04/01/24  Tue 04/02/24  Wed 04/03/24
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      77    86      77    86      78    87      77    87
Temp          86 80   78 81 86 80   78 82 86 81   78 83 87 81   78 83 87 82
Dewpt         66 67   67 67 66 63   61 61 61 65   64 63 66 67   65 62 64 66
PWind dir         E      NE    NE      NE     E      NE     E      NE     E
Wind char        LT      LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    FW SC   SC SC SC SC   FW FW FW FW   CL FW SC FW   CL FW FW FW
PoP 12hr         30      30    40      10     0       5    10       0    10
Rain shwrs     S  C    C  C  C  C    S  S             S  S  S          S  S

$$
PRZ008-280800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Wed Mar 27 2024

Date           03/27/24      Thu 03/28/24            Fri 03/29/24            Sat
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          81          71          81          75
Temp             76 74 73 72 76 80 81 78 75 73 72 71 76 80 81 79 77 76 75 75 78
Dewpt            64 64 64 64 62 62 63 63 64 65 66 65 63 63 64 64 65 66 67 67 65
RH               66 71 73 76 62 54 54 60 69 76 81 81 64 56 56 60 67 71 76 76 64
Wind dir          N  N  N  N  N NW NW NW NW NW NW NW NW NW NW  N  N  N NE NE NE
Wind spd         10 10  8  4  3  8 11  9  6  8 10 11  9  9 11 10  9 10 10  9 10
Clouds           CL SC CL CL CL CL FW FW CL CL CL CL FW FW CL CL FW FW FW FW SC
PoP 12hr                     10          10           0           0          20
QPF 12hr                   0.01        0.01           0           0        0.01
Rain shwrs           S              S  S                                      S
Heat index                      81 82                   81 82
Max heat                           82    82                82    83
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date           03/30  Sun 03/31/24  Mon 04/01/24  Tue 04/02/24  Wed 04/03/24
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          81      74    81      74    81      75    82      74    82
Temp          81 77   74 77 81 77   74 78 81 77   75 79 82 77   74 78 82 78
Dewpt         68 70   70 66 67 67   68 65 67 67   68 66 68 69   70 67 69 72
PWind dir        NE      NE    NE      NE    NE       E    NE       E    NE
Wind char        GN      BZ    BZ      BZ    BZ      BZ    BZ      BZ    GN
Avg clouds    SC SC   SC SC SC FW   CL CL CL CL   CL FW FW FW   CL FW FW FW
PoP 12hr         20      20    10       0     0       5    10       0    10
Rain shwrs     S  S    S  S  S  S                        S  S          S  S

$$
PRZ010-280800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Wed Mar 27 2024

Date           03/27/24      Thu 03/28/24            Fri 03/29/24            Sat
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          84          72          85          76
Temp             77 75 74 73 78 83 84 80 76 74 73 72 78 83 85 82 79 78 77 76 80
Dewpt            67 66 65 63 65 67 68 68 66 66 65 65 67 68 68 68 67 67 66 66 68
RH               71 74 74 71 64 59 59 67 71 76 76 79 69 61 57 63 67 69 69 71 67
Wind dir          N NE NE NE NE NW NW NW  N  N  N  N  N NW NW  N  N  N NE NE NE
Wind spd         11 10  9  6  4  6 11  9  6  6  9  9  8  9 12 12  9 10  9  9  8
Clouds           CL CL CL CL CL CL CL FW CL CL CL CL FW FW CL CL CL CL CL CL FW
PoP 12hr                      0          10           0           0          10
QPF 12hr                      0        0.01           0           0           0
Rain shwrs                             S                                      S
Heat index                      86 87 83                86 88 85             82
Max heat         84                87    87                88    88          82
High Surf         Y  Y  Y  Y  Y  Y  Y  Y


Date           03/30  Sun 03/31/24  Mon 04/01/24  Tue 04/02/24  Wed 04/03/24
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      76    85      77    86      76    86
Temp          85 79   77 80 85 79   77 81 85 80   77 82 86 80   77 82 86 81
Dewpt         73 72   70 70 72 70   68 68 71 70   68 69 72 72   69 70 73 73
PWind dir        NE      NE    NE      NE    NE      NE    NE       E     E
Wind char        LT      GN    BZ      GN    GN      GN    GN      GN    LT
Avg clouds    FW SC   SC SC SC SC   CL CL FW FW   CL FW SC SC   CL FW FW FW
PoP 12hr         30      30    30       0     0       5    40       0     5
Rain shwrs     S  C    C  C  C  C                        C  C

$$
VIZ001-280800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Wed Mar 27 2024

Date           03/27/24      Thu 03/28/24            Fri 03/29/24            Sat
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          74          85          77
Temp             78 77 76 75 80 84 85 81 78 76 75 74 79 84 85 82 80 78 78 77 81
Dewpt            70 68 67 66 65 66 68 67 68 68 67 67 69 69 69 68 69 68 68 68 69
RH               76 74 74 74 60 55 57 63 71 76 76 79 72 61 59 63 69 71 71 74 67
Wind dir          N  N  N  N NW  W  W NW NW NW NW NW NW NW NW NW NW  N  N  N NE
Wind spd         12 13 13 10  9  9 10 12 14 16 16 16 13 11 12 12 12 12 13 12 10
Clouds           CL CL CL CL CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW CL
PoP 12hr                      0          10          10           5           0
QPF 12hr                      0        0.02        0.01           0           0
Rain shwrs                          S  S  S  S  S  S
Heat index                   82 86 88 83                88 89 85 83          84
Max heat         85          82    88    88                89    88          84
High Surf         Y  Y  Y  Y


Date           03/30  Sun 03/31/24  Mon 04/01/24  Tue 04/02/24  Wed 04/03/24
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      77    85      77    85      78    86      77    86
Temp          85 80   78 81 85 80   77 81 85 81   78 82 86 80   78 82 86 81
Dewpt         70 71   72 72 72 71   70 70 70 71   71 71 72 72   71 72 73 73
PWind dir        NE      NE    NE      NE    NE      NE    NE       E     E
Wind char        GN      BZ    BZ      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    FW SC   SC SC SC SC   SC FW FW SC   SC SC SC SC   SC FW FW FW
PoP 12hr         30      30    20      10    10      20    20      10    10
Rain shwrs     S  C    C  C  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$
VIZ002-280800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Wed Mar 27 2024

Date           03/27/24      Thu 03/28/24            Fri 03/29/24            Sat
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          86          72          84          77
Temp             77 74 73 72 79 84 86 81 77 75 73 72 78 82 84 82 80 78 77 77 81
Dewpt            70 69 68 66 65 65 65 66 67 67 66 66 67 67 67 66 67 67 67 66 67
RH               79 84 84 81 62 53 50 60 71 76 79 81 69 61 57 58 65 69 71 69 63
Wind dir          N  N  N  N  N NW  W  W  W NW NW NW NW NW  W NW  N  N  N  N NE
Wind spd         10 10 12 10  6  9 10 10  8  4 10 11 11 10 11 10 10 12 12 11 11
Clouds           CL FW FW FW CL FW FW FW FW FW CL CL SC SC FW FW FW FW FW FW CL
PoP 12hr                     10          10          10          10           0
QPF 12hr                   0.02        0.03        0.01        0.01           0
Rain shwrs           S  S  S     S  S  S  S  S        S  S
Heat index                      86 88 83                84 87 84 82          83
Max heat         83                88    87                87    87          83


Date           03/30  Sun 03/31/24  Mon 04/01/24  Tue 04/02/24  Wed 04/03/24
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      76    86      76    86      77    87      76    87
Temp          86 80   77 81 86 80   77 82 86 80   78 83 87 80   77 82 87 81
Dewpt         68 69   70 71 71 71   70 70 70 70   70 71 71 71   71 72 72 72
PWind dir        NE      NE    NE      NE    NE      NE     E       E     E
Wind char        GN      BZ    BZ      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    CL FW   SC B1 B1 SC   SC SC SC SC   SC SC SC SC   SC SC FW SC
PoP 12hr         30      40    40      20    10      20    20      10    10
Rain shwrs        C    C  C  C  S    S  S  S  S    S  S  S  S    S  S  S  S

$$


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