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 Fri Jan 31 2025

PRZ001-312000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Fri Jan 31 2025

Date             Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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          74          86          74          84
Temp             79 84 86 80 78 76 75 74 79 84 86 81 78 76 75 74 78 83 84 80 78
Dewpt            73 73 72 71 71 70 70 70 71 72 72 72 71 71 71 71 72 73 73 73 73
RH               82 70 63 74 79 82 84 87 77 67 63 74 79 85 87 90 82 72 70 79 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         14 17 17 14 11 12 13 13 12 18 16 13 11 12 10 12 12 17 17 14 12
Clouds           B2 SC SC SC CL SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     60          30          30          30          50
QPF 12hr                   0.51        0.09        0.16        0.09        0.35
Rain shwrs        L  S  C  C     S  C  S  C  S  S  C  S  S  C  C  C  C  C  C  C
Heat index          91 92 84                90 92 86                88 91 84
Max heat               92    90                92    92                91    90


Date          Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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          74    85      74    85      74    84      74    84
Temp          75 79 85 78   75 79 85 78   75 78 84 78   75 78 84 77
Dewpt         72 72 72 72   72 71 72 71   71 71 71 72   71 71 72 71
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    BZ      GN    BZ
Avg clouds    SC B1 B1 B1   B1 B1 SC FW   SC SC B1 SC   SC B1 B1 SC
PoP 12hr         40    50      40    30      40    40      40    40
Rain shwrs     C  C  C  C    C  C  C  S    S  C  C  C    C  C  C  C

$$
PRZ002-312000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Fri Jan 31 2025

Date             Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      84          76          85          75          84
Temp             79 83 84 80 79 78 77 76 80 84 85 81 79 77 76 75 79 83 84 81 78
Dewpt            74 73 73 72 71 70 71 71 72 73 73 72 71 71 71 71 73 73 74 74 73
RH               85 72 70 77 77 76 82 85 77 70 67 74 77 82 85 87 82 72 72 79 85
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE  E  E  E  E  E
Wind spd         17 18 16 16 14 14 16 16 16 18 17 14 11 14 13 13 16 18 16 16 14
Clouds           B2 SC SC SC CL SC SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC
PoP 12hr                     60          40          30          40          60
QPF 12hr                   0.51        0.11        0.22        0.11        0.42
Rain shwrs        L  C  C  C     S  C  C  C  C  C  C  C  C  C  C  C  C  L  L  C
Heat index          89 90 84             83 90 92 86                89 91 85
Max heat               90    89          83    92    91                91    90


Date          Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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          75    83      75    85      74    85      76    85
Temp          76 78 83 78   76 79 85 78   75 79 85 79   77 80 85 79
Dewpt         73 73 73 72   72 72 72 72   72 72 72 72   72 72 73 71
PWind dir         E     E       E     E      NE     E       E     E
Wind char        GN    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC B1 B1 B2   B2 B1 SC FW   SC SC B1 SC   SC B1 B1 SC
PoP 12hr         50    50      50    30      40    40      40    40
Rain shwrs     C  C  C  C    C  C  C  S    S  C  C  C    C  C  C  C

$$
PRZ007-312000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Fri Jan 31 2025

Date             Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      91          73          91          72          90
Temp             81 89 91 83 79 77 75 73 80 89 91 84 79 76 74 72 79 88 90 84 79
Dewpt            69 69 67 67 67 66 65 65 66 66 67 67 67 66 64 62 66 66 66 66 67
RH               67 52 45 59 67 69 71 76 62 47 45 57 67 71 71 71 64 48 45 55 67
Wind dir          E  E  E  E NE NE NE NE NE  E  E  E NE NE NE NE NE  E  E  E NE
Wind spd          6 17 16 13  8  8  6  8  9 16 14 13  8  6  6  6  6 17 16 12  8
Wind gust           28 26 24                26 25                   28 27
Clouds           CL SC FW CL CL CL CL CL CL CL CL FW CL CL CL CL CL CL FW FW CL
PoP 12hr                     30           0           5           0          10
QPF 12hr                   0.09           0        0.03           0        0.06
Rain shwrs           C  S                          S                    S  S
Heat index       84 93 94 85 82          82 91 94 86             81 90 93 86 81
Max heat         84    95    92          82    94    94          81    93    92


Date          Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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          73    90      72    90      73    89      72    89
Temp          75 80 90 78   74 79 90 79   75 80 89 78   74 79 89 77
Dewpt         66 67 67 66   66 67 66 65   64 65 65 65   66 66 61 67
PWind dir        NE     E      NE     E      NE     E      NE     E
Wind char        LT    GN      LT    GN      GN    GN      LT    GN
Avg clouds    CL CL FW SC   FW FW FW CL   CL FW FW FW   CL CL CL FW
PoP 12hr          5    20       5     5       5    10       0     0
Rain shwrs           S  S       S  S             S  S

$$
PRZ008-312000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Fri Jan 31 2025

Date             Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      83          72          84          72          82
Temp             77 82 83 78 76 74 73 72 77 82 84 79 76 74 73 72 76 81 82 78 76
Dewpt            71 72 72 71 69 70 70 69 67 70 71 71 70 70 70 70 69 71 72 71 71
RH               82 72 70 79 79 87 90 90 71 67 65 77 82 87 90 93 79 72 72 79 85
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E
Wind spd         19 20 21 24 19 17 17 14 16 18 21 20 21 17 14 14 16 20 23 24 21
Clouds           SC SC FW CL CL CL CL CL CL CL FW FW CL CL CL CL FW FW FW FW SC
PoP 12hr                     50           0          10          10          20
QPF 12hr                   0.32           0        0.06           0        0.06
Rain shwrs        C  S  S                       S  S              S  S  S  S  S
Heat index          86 88                   86 89 83                84 87
Max heat               88    86                89    88                87    86


Date          Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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          72    82      71    82      71    82      72    81
Temp          73 76 82 75   72 76 82 75   72 76 82 76   73 76 81 75
Dewpt         72 69 71 70   71 69 71 69   71 69 70 69   71 68 70 69
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      BZ    BZ      BZ    WY
Avg clouds    SC FW FW FW   CL CL SC SC   CL FW FW SC   SC SC SC FW
PoP 12hr         20    10       0    50       5    20      20    20
Rain shwrs     S  S  S  S          C  C          S  S    S  S  S

$$
PRZ010-312000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Fri Jan 31 2025

Date             Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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          69          89          69          88
Temp             77 86 89 80 76 73 71 69 77 86 89 81 76 73 71 69 77 86 88 81 76
Dewpt            73 76 76 74 71 69 68 68 69 73 74 74 72 70 69 68 71 74 75 74 73
RH               87 72 66 82 85 87 90 97 76 65 61 79 87 90 93 97 82 68 66 79 90
Wind dir         NE  E  E  E  E  E  E NE NE  E  E NE NE  E  E  E  E  E  E NE NE
Wind spd         13  6  8  8 10 11  6  8  6  3  6  5  9 12  8 10 10 11  5 11 13
Clouds           FW CL SC SC CL CL CL CL CL CL SC SC CL CL CL CL CL CL SC SC CL
PoP 12hr                     50           0          50           0          30
QPF 12hr                   0.36           0        0.22           0        0.18
Rain shwrs        S     C  S                    C  C                    C  C
Heat index          97100 84                94 98 87                93 98 87
Max heat              101    97                98    97                98    97


Date          Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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          70    88      70    87      70    87      70    87
Temp          72 77 88 76   72 77 87 76   72 77 87 76   72 77 87 75
Dewpt         71 72 74 72   70 72 74 71   70 71 73 71   70 71 73 71
PWind dir        NE     E       E     E       E     E       E     E
Wind char        GN    GN      GN    LT      GN    GN      BZ    BZ
Avg clouds    CL CL FW SC   CL CL SC B1   CL CL SC B1   FW FW SC SC
PoP 12hr          5    40       0    60       0    50       5    50
Rain shwrs           C  C          L  L          C  C          C  C

$$
VIZ001-312000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Fri Jan 31 2025

Date             Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      85          75          86          75          86
Temp             79 84 85 80 79 77 76 75 80 85 86 82 79 77 76 75 80 85 86 82 79
Dewpt            73 72 71 70 69 70 70 71 71 72 71 70 70 70 71 71 72 73 73 72 72
RH               82 67 63 72 72 79 82 87 74 65 61 67 74 79 85 87 77 67 65 72 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         23 20 23 20 20 23 24 21 23 23 20 19 21 19 21 21 23 23 20 20 20
Clouds           SC CL CL FW CL FW SC SC FW FW CL FW SC SC SC SC SC SC SC SC SC
PoP 12hr                     50          30          20          50          50
QPF 12hr                   0.12        0.07        0.05        0.05        0.22
Rain shwrs        C        S     S  C  S  S  S     S  S  S  S  S  C  C  C  C  S
Heat index          89 90 84             83 90 91 86             83 91 93 87
Max heat               90    89          83    92    91          83    93    92


Date          Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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          75    85      75    85      75    86      75    85
Temp          76 79 85 79   76 79 85 79   76 80 86 79   76 79 85 78
Dewpt         72 72 72 71   71 71 71 71   72 71 71 71   71 71 71 71
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      BZ    BZ      WY    WY
Avg clouds    SC SC SC SC   B2 B1 FW FW   SC SC SC SC   SC SC SC SC
PoP 12hr         20    50      50    10      30    30      20    30
Rain shwrs     S  S  S  C    C  C  S  S    S  C  C  S    S  S  S  C

$$
VIZ002-312000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Fri Jan 31 2025

Date             Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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          74          86          73          86
Temp             78 84 86 80 78 76 75 74 79 84 86 81 78 76 74 73 78 84 86 81 78
Dewpt            72 72 71 69 70 70 71 71 72 73 72 72 70 71 71 71 73 73 73 73 72
RH               82 67 61 69 76 82 87 90 79 70 63 74 76 85 90 93 85 70 65 77 82
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E
Wind spd         20 19 21 19 19 19 19 18 19 21 19 18 17 14 17 17 20 20 19 18 18
Clouds           SC CL FW FW CL FW SC SC SC SC FW FW CL CL SC SC SC SC SC SC SC
PoP 12hr                     50          50          20          20          20
QPF 12hr                   0.12        0.10        0.07        0.03        0.14
Rain shwrs        C     S  S     S  C  C  S  S  S  S        S  S  S  S  S  S  S
Heat index          90 91 83                91 92 85                91 93 86
Max heat               92    89                92    91                93    92


Date          Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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          74    86      73    86      73    86      74    86
Temp          75 79 86 78   74 78 86 78   74 78 86 78   75 79 86 78
Dewpt         72 72 73 72   72 72 72 71   71 72 72 71   71 71 72 71
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC FW FW SC   SC SC SC FW   SC SC B1 SC   SC SC SC FW
PoP 12hr         20    30      30    30      40    40      20    30
Rain shwrs     S  S  C  C    C  C  C  S    S  C  C  S    S  S  S  C

$$