Point Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 222103
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Point Forecast Matrices
National Weather Service San Juan PR
503 PM AST Wed Jan 22 2025

PRZ001-230800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Wed Jan 22 2025

Date           01/22/25      Thu 01/23/25            Fri 01/24/25            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          86          75          85          74
Temp             78 77 76 75 79 84 86 81 78 77 76 75 79 84 85 80 77 76 75 74 79
Dewpt            74 74 73 73 72 73 73 73 74 74 73 72 71 72 72 72 72 72 72 72 73
RH               88 90 90 94 79 70 65 77 88 90 90 90 77 67 65 77 85 87 90 93 82
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  9  8 12 12 17 14 12  9  9  9 11 13 14 16 11 10  9  8  5  6
Clouds           SC B2 B2 B2 CL CL FW SC SC SC SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     70          50          50          40          40
QPF 12hr                   0.35        0.05        0.09        0.10        0.10
Rain shwrs        C  L  L  L        S  S  C  C  S  S  S  C  S  S  C  C  C  C  C
Heat index                      91 93 86                89 91 84
Max heat         86                93    91                91    89


Date           01/25  Sun 01/26/25  Mon 01/27/25  Tue 01/28/25  Wed 01/29/25
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      74    86      74    86      73    85      74    84
Temp          87 78   75 78 86 78   75 78 86 77   74 77 85 77   75 78 84 77
Dewpt         73 72   72 72 72 72   72 72 72 72   72 72 73 73   73 72 73 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    BZ      GN    BZ      GN    GN      LT    GN
Avg clouds    B1 SC   SC SC SC B1   B1 SC SC SC   SC SC SC SC   SC B1 B1 B1
PoP 12hr         40      10    40      40    20      30    30      50    50
Rain shwrs     C  C    S  S  C  C    C  C  S  S    S  C  C  C    C  C  C  C

$$
PRZ002-230800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Wed Jan 22 2025

Date           01/22/25      Thu 01/23/25            Fri 01/24/25            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          86          75          84          74
Temp             78 77 76 75 79 84 86 81 78 77 76 75 78 83 84 79 77 76 75 74 78
Dewpt            74 75 73 73 73 73 74 74 74 74 73 72 72 73 73 73 73 73 73 73 73
RH               88 94 90 94 82 70 68 79 88 90 90 90 82 72 70 82 87 90 94 97 85
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 11 12 14 14 14 14 13 11 12 12 12 16 14 13 11 10 11 12 12 11
Clouds           SC B2 B2 B2 CL CL SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     60          50          50          50          40
QPF 12hr                   0.34        0.06        0.13        0.14        0.09
Rain shwrs        C  L  L  L        S  S  C  C  C  C  C  C  C  C  C  C  C  C  C
Heat index                      91 94 86                89 90 83
Max heat         84                94    92                90    89


Date           01/25  Sun 01/26/25  Mon 01/27/25  Tue 01/28/25  Wed 01/29/25
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      76    82      74    84      75    84
Temp          85 77   75 78 84 78   77 78 82 76   75 78 84 78   76 78 84 77
Dewpt         73 73   72 73 73 72   72 72 74 73   72 73 73 73   73 74 75 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    BZ      GN    BZ      GN    GN      GN    GN
Avg clouds    B1 B1   SC B1 B1 B1   B2 B1 SC SC   SC SC SC SC   B2 B2 B2 B2
PoP 12hr         40      40    50      50    30      30    50      50    60
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  L  L

$$
PRZ007-230800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Wed Jan 22 2025

Date           01/22/25      Thu 01/23/25            Fri 01/24/25            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          91          74          90          74
Temp             80 78 76 75 81 89 91 83 79 77 75 74 80 88 90 82 79 77 75 74 80
Dewpt            70 69 68 69 69 66 66 68 69 68 68 68 68 68 66 67 68 67 67 68 67
RH               72 74 76 82 67 47 44 61 72 74 79 82 67 52 45 61 69 71 76 82 65
Wind dir         NE NE NE NE  E  E  E  E NE NE NE NE NE  E  E  E NE NE  E NE NE
Wind spd          4  4  4  5  9 16 13 11  6  5  5  4  5 16 16 12  6  5  4  6  6
Wind gust                       26                      27 27
Clouds           CL SC SC SC SC CL CL FW SC FW CL CL CL CL CL CL FW FW FW FW FW
PoP 12hr                     50          30          20           5           5
QPF 12hr                   0.20        0.04        0.02        0.01        0.01
Rain shwrs           S  C  C  C        S  S  S                    S  S  S  S
Heat index       83          84 91 93 86 82          82 91 92 85             82
Max heat         88    82    84    94    92          82    93    91          82


Date           01/25  Sun 01/26/25  Mon 01/27/25  Tue 01/28/25  Wed 01/29/25
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      74    91      74    90      73    91      74    90
Temp          91 79   75 80 91 79   75 80 90 78   74 79 91 79   75 80 90 79
Dewpt         64 65   67 67 67 66   66 67 67 67   67 67 68 68   66 66 70 69
PWind dir         E      NE     E      NE     E       E     E      NE     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW   CL FW FW FW   FW FW FW CL   FW FW FW CL   FW FW FW SC
PoP 12hr          5       0    10       0     5       5     5       5    20
Rain shwrs                   S  S                                      S  S

$$
PRZ008-230800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Wed Jan 22 2025

Date           01/22/25      Thu 01/23/25            Fri 01/24/25            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          83          71
Temp             77 75 74 73 77 82 84 78 76 74 73 72 76 81 83 77 75 73 72 71 76
Dewpt            72 73 73 73 70 71 71 72 71 73 73 72 70 70 70 71 70 71 71 71 69
RH               85 94 97100 79 69 65 82 85 97100100 82 69 65 82 84 93 97100 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         13 12 12 17 18 19 18 14 13 11 12 14 18 23 20 21 20 13 12  8  4
Clouds           SC SC SC SC SC CL CL SC SC FW CL CL CL CL SC SC CL CL CL CL FW
PoP 12hr                     40          20          20          20           5
QPF 12hr                   0.17        0.04        0.02        0.05        0.01
Rain shwrs        S  S  C  C  S        S  S  S              S  S
Heat index                      87 89                   85 87
Max heat         83                89    87                87    85


Date           01/25  Sun 01/26/25  Mon 01/27/25  Tue 01/28/25  Wed 01/29/25
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          84      71    85      72    84      71    84      72    83
Temp          84 75   72 76 85 76   73 76 84 75   72 76 84 76   73 76 83 75
Dewpt         71 70   72 70 71 70   71 69 71 70   71 69 72 71   72 69 72 72
PWind dir         E       E     E       E     E       E     E       E    NE
Wind char        GN      BZ    BZ      BZ    BZ      BZ    BZ      GN    BZ
Avg clouds    FW FW   FW FW SC SC   FW FW CL FW   FW FW FW SC   SC FW SC B1
PoP 12hr          5       5    40       0     5       5     5       5    40
Rain shwrs     S  S          C  C                        S  S    S  S  C  C

$$
PRZ010-230800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Wed Jan 22 2025

Date           01/22/25      Thu 01/23/25            Fri 01/24/25            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          89          70          88          69
Temp             78 75 73 72 78 87 89 80 76 73 71 70 76 85 88 79 75 72 70 69 76
Dewpt            74 73 73 71 72 74 75 74 74 73 71 70 72 74 74 73 72 71 69 69 71
RH               88 94100 97 82 65 64 82 94100100100 87 70 63 82 90 97 97100 85
Wind dir         NE NE NE  E  E  E  E SE  E NE NE  E  E  E  E  E  E  E  E  E  E
Wind spd          8  4  5  8  9  3  3  5  3  3  6  8 11  8  5  5  6  6  5  5  5
Clouds           SC CL FW SC SC CL CL SC FW FW CL CL CL CL SC SC CL CL CL CL CL
PoP 12hr                     30          40          10          40           0
QPF 12hr                   0.08        0.07        0.01        0.10           0
Rain shwrs        S     S  S  C        C  S  S              C  C
Heat index                      95 99 85                93 96 82
Max heat         87                99    96                97    94


Date           01/25  Sun 01/26/25  Mon 01/27/25  Tue 01/28/25  Wed 01/29/25
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      69    89      70    90      69    89      70    88
Temp          89 75   70 76 89 76   71 77 90 76   70 76 89 76   71 76 88 76
Dewpt         74 73   70 72 74 72   70 71 74 72   70 71 75 73   70 71 75 74
PWind dir        NE       E     E       E     E       E     E       E    NE
Wind char        LT      GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    FW SC   FW FW SC SC   CL CL FW SC   CL FW FW SC   CL CL SC B1
PoP 12hr         30       5    50       0    30       0    30       0    60
Rain shwrs     C  C          C  C          C  C          C  C          L  L

$$
VIZ001-230800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Wed Jan 22 2025

Date           01/22/25      Thu 01/23/25            Fri 01/24/25            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                      76          86          75          86          75
Temp             79 78 77 76 80 85 86 81 78 77 76 75 79 84 86 81 78 77 76 75 79
Dewpt            74 73 73 72 72 73 73 73 74 73 72 70 70 72 72 72 72 72 72 72 72
RH               85 85 87 87 77 67 65 77 88 87 87 84 74 67 63 74 82 85 87 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         18 19 21 23 21 19 20 19 19 19 18 23 23 17 17 17 16 18 19 20 18
Clouds           SC SC SC FW CL CL FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     50          20          40          50          20
QPF 12hr                   0.16        0.03        0.09        0.11        0.05
Rain shwrs        C  C  S  S        S  S  S  S  C  C  C  C  S  S  S  S  S  S  S
Heat index                   83 91 93 86                90 92 85
Max heat         85          83    93    91                92    91


Date           01/25  Sun 01/26/25  Mon 01/27/25  Tue 01/28/25  Wed 01/29/25
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      75    85      75    85      75    85
Temp          85 79   77 80 86 78   76 79 85 78   76 79 85 78   76 79 85 78
Dewpt         72 72   72 72 72 72   72 72 72 72   72 72 73 72   73 73 73 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC B1   SC B1 B1 B1   B1 B1 SC SC   SC SC SC SC   B2 B2 B2 B1
PoP 12hr         40      50    50      40    30      30    50      60    60
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  S  C    C  L  L  C

$$
VIZ002-230800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Wed Jan 22 2025

Date           01/22/25      Thu 01/23/25            Fri 01/24/25            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          86          75          86          74
Temp             78 77 76 75 79 84 86 81 78 77 76 75 79 84 86 80 78 76 75 74 78
Dewpt            74 74 73 73 73 74 74 74 74 73 72 71 72 72 73 72 72 72 72 71 72
RH               88 90 90 94 82 72 68 79 88 87 87 87 79 67 65 77 82 87 90 90 82
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 18 19 18 19 19 17 17 17 17 19 20 18 17 16 17 16 17 18 16
Clouds           SC SC SC FW CL CL SC SC SC SC SC SC SC SC SC SC CL CL CL CL CL
PoP 12hr                     50          40          40          40           0
QPF 12hr                   0.16        0.08        0.11        0.08           0
Rain shwrs        C  C  S  S        C  S  C  C  C  C  C  C  S  S
Heat index                      92 94 86                90 93 84
Max heat         86                94    92                93    91


Date           01/25  Sun 01/26/25  Mon 01/27/25  Tue 01/28/25  Wed 01/29/25
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    85      74    86      73    86
Temp          86 78   76 79 86 78   76 79 85 77   75 78 86 77   74 78 86 78
Dewpt         73 72   72 72 73 72   72 73 73 73   72 73 73 73   73 73 74 73
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 B1 B1 B1   B1 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         30      40    40      40    30      30    30      30    30
Rain shwrs     S  C    C  C  C  C    C  C  C  C    C  C  S  C    C  C  C  C

$$