Area Forecast Matrices
Issued by NWS San Juan, PR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4
000
FOCA52 TJSJ 171817
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
217 PM AST Thu Aug 17 2017

PRZ001-180815-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Tujillo Alto
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                69 73 76    82 87 90    70 75 79          88    71 76 79
Temp          81 76 75 74 74 81 86 87 83 79 77 76 76 83 87 88 84 80 78 77 77 84
Dewpt         74 74 74 73 73 73 72 72 73 73 74 74 74 75 74 74 74 74 74 74 74 75
RH            79 94 97 97 97 77 63 61 72 82 90 94 94 77 65 63 72 82 88 90 90 74
Wind dir       E  E  E  E  E  E  E NE NE NE NE NE NE  E  E  E  E  E  E  E  E  E
Wind spd      14 10 12 12 11 16 16 17 16 14 14 16 16 17 18 17 16 11 10  8  8  8
Wind gust     26 20 25 24                      26 26 27
Clouds        B2 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     30          20          50          30          40
QPF 12hr              0.00-0.11        0.03   0.06-0.14   0.04-0.35   0.02-0.18
Rain shwrs    NM SC SC SC SC IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS IS IS                   IS IS IS IS             IS IS IS IS
Heat index    86             86 92 93 89 80          90 96 96 92 83 80       92
Max heat         94          91    98    97    87    94    99    99    89    96


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      77    89      76    88      76    92      77    92
Temp          89 81   78 84 89 81   77 83 88 80   77 86 92 82   78 87 92 83
Dewpt         76 76   75 76 76 76   76 77 77 74   74 75 75 74   73 73 76 75
PWind dir        SE       E    NE       E    NE      SE    NE       S    SE
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B1 B1   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC B1
PoP 12hr         40      30    40      50    50      40    40      20    30
Rain shwrs    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   IS IS SC SC
Tstms         IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS

$$

PRZ002-180815-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                66 74 76    79 87 92    65 77 80    79 86 89    67 76 80
Temp          81 77 76 75 75 82 86 87 84 80 79 78 78 82 85 86 83 79 78 77 77 84
Dewpt         74 74 74 74 73 72 72 72 73 73 74 73 74 74 74 74 74 74 74 74 74 75
RH            79 90 94 97 94 72 63 61 70 79 85 85 88 77 70 68 74 85 88 90 90 74
Wind dir       E  E  E  E  E  E  E  E NE NE NE NE NE  E  E  E  E  E  E  E  E  E
Wind spd      13 12 13 12 12 16 16 16 16 14 16 17 17 18 18 16 14 10 11  8  9 10
Wind gust     24 25 25 25 23                26    27
Clouds        B2 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1
PoP 12hr                     30          30          60          50          50
QPF 12hr                   0.10        0.04        0.14   0.07-0.26        0.18
Rain shwrs    SC SC SC SC SC SC SC SC SC NM NM NM NM SC SC SC SC SC SC SC SC SC
Tstms         IS IS IS             IS IS IS IS IS IS       IS IS IS IS IS IS IS
Heat index    87             87 93 94 90 85 82       89 93 94 89 83 80       91
Max heat         99    85    94   102   101    90    94   100    99    87    97


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      77    87      76    87      75    90      77    90
Temp          88 81   78 83 87 79   77 83 87 79   76 84 90 81   78 85 90 82
Dewpt         76 76   75 76 76 76   76 77 76 73   75 75 74 73   73 74 76 75
PWind dir        SE       E     E       E     E       S     S      SE    SE
Wind char        GN      GN    GN      GN    GN      LT    GN      LT    LT
Avg clouds    B1 B1   B2 B2 B2 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 SC SC
PoP 12hr         50      60    60      50    50      50    50      30    30
Rain shwrs    SC SC   NM NM SC SC   SC SC SC SC   SC SC SC SC   SC SC SC IS
Tstms         IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS

$$

PRZ003-180815-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                66 72 76    80 88 95    67 75 79    80 87 92    67 74 79
Temp          81 76 74 73 74 82 87 88 84 79 78 76 76 83 86 87 83 79 77 75 76 83
Dewpt         73 73 73 72 71 71 70 70 70 71 72 72 72 73 73 72 72 72 73 73 73 75
RH            77 90 97 97 90 69 57 55 63 77 82 87 87 72 65 61 70 79 87 94 90 77
Wind dir       E  E  E NE NE  E  E  E  E NE NE NE NE  E  E  E  E  E  E NE NE  E
Wind spd      16 12 13 13 13 17 18 17 18 14 16 17 17 19 19 18 16 11 11  9  9 10
Wind gust     28 24 25 24                      27 27    29 28 26
Clouds        B1 SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     30          20          40          30          40
QPF 12hr              0.00-0.07        0.04   0.03-0.14   0.19-0.34   0.05-0.16
Rain shwrs    SC SC SC SC SC IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS IS IS                   IS IS IS IS       IS IS IS IS IS IS
Heat index    85             86 92 94 89 82          88 93 94 89 81          89
Max heat         98          94   102   101    90    95   101    99    87    97


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      76    89      74    87      74    89      75    89
Temp          88 80   77 84 89 79   75 82 87 78   75 83 89 80   76 84 89 80
Dewpt         75 75   75 75 75 75   75 75 75 74   75 75 74 71   72 73 75 74
PWind dir        SE       E     E      NE     E      SE     S      SE     E
Wind char        GN      GN    GN      GN    GN      LT    GN      LT    LT
Avg clouds    SC B1   B1 B1 B1 SC   B1 B1 B1 B1   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         40      40    40      40    40      40    40      30    30
Rain shwrs    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC IS   SC SC IS IS
Tstms         IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS

$$

PRZ004-180815-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                66 69 73    79 84 88    67 73 77    80 86 90    67 72 75
Temp          78 74 72 70 71 78 83 84 80 76 75 74 74 81 85 86 81 77 75 73 73 81
Dewpt         71 72 72 70 70 70 69 69 69 70 71 71 71 72 72 70 70 71 72 72 71 74
RH            79 93100100 97 76 63 61 69 82 87 90 90 74 65 59 69 82 90 97 93 79
Wind dir       E  E  E  E  E  E  E  E NE NE NE NE NE  E  E  E  E  E  E NE  E  E
Wind spd      13  9 10 10  9 14 16 16 14 12 12 13 13 16 17 17 13  9  9  6  6  8
Wind gust     24
Clouds        B2 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     30          30          50          40          40
QPF 12hr              0.00-0.11        0.03   0.06-0.14   0.19-0.40   0.02-0.19
Rain shwrs    SC SC SC SC SC IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS IS IS             IS IS IS IS IS IS       IS IS IS IS IS IS
Heat index    80             80 86 88 83             84 90 91 85             85
Max heat         95          87    95    94    84    92    99    97          93


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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    87      73    85      73    89      74    89
Temp          86 78   75 82 87 78   74 81 85 77   74 83 89 79   75 84 89 79
Dewpt         74 74   74 75 74 74   74 75 75 73   73 74 72 71   71 72 74 73
PWind dir        SE       E     E      NE    NE       E     S      SE    SE
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         40      40    40      40    40      40    40      20    30
Rain shwrs    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   IS IS IS SC
Tstms         IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS

$$

PRZ005-180815-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                68 71 76    84 88 91    69 74 77          89    69 75 79
Temp          81 76 74 72 73 81 87 88 83 78 76 75 75 83 88 89 84 79 77 76 76 84
Dewpt         73 74 74 72 73 73 72 72 72 72 73 74 73 74 74 74 74 74 73 74 73 76
RH            77 94100100100 77 61 59 70 82 90 97 94 74 63 61 72 85 87 94 90 77
Wind dir       E  E  E  E  E  E  E NE NE NE  E NE NE  E  E  E  E  E  E  E  E  E
Wind spd      16 11 12 11 12 14 17 17 17 13 13 14 16 16 18 18 17 11 11  9  6  8
Wind gust     28    24 24                   24 26 26 26
Clouds        B2 B1 B1 SC SC FW FW SC SC SC SC SC SC SC SC SC SC FW FW FW FW SC
PoP 12hr                     30          30          40          30          10
QPF 12hr              0.00-0.07        0.01   0.00-0.09   0.02-0.24   0.01-0.09
Rain shwrs    NM SC SC IS IS IS IS SC SC SC SC SC SC IS IS SC SC IS IS IS IS IS
Tstms         IS IS IS                   IS IS IS IS
Heat index    85             86 93 94 89 80          89 96 97 92 82          93
Max heat         94          93   100    98    86    94   102   101    87    98


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          90      75    90      75    88      75    90      76    90
Temp          90 80   76 84 90 80   76 83 88 79   76 84 90 81   77 85 90 81
Dewpt         75 75   75 75 76 74   75 76 77 74   74 75 75 74   73 73 75 75
PWind dir         E       E     E       E     E      SE    NE       S     E
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    SC B1   SC SC SC B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
PoP 12hr         30      10    30      40    40      20    30      10    20
Rain shwrs    SC SC   IS IS SC SC   SC SC SC SC   IS IS IS SC   IS IS IS IS
Tstms         IS IS         IS IS   IS IS IS IS   IS IS IS IS            IS

$$

PRZ006-180815-
Central Interior-
Including the cities of Aibonito, Baranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                62 67 71    78 83 94    62 69 74    78 85 92    63 70 75
Temp          77 72 70 68 69 77 82 83 79 74 72 70 71 79 84 85 80 75 72 71 71 79
Dewpt         69 70 70 68 69 69 67 67 68 69 69 70 69 70 70 69 69 69 70 70 69 72
RH            76 93100100100 76 61 59 69 84 90100 93 74 63 59 69 82 93 97 93 79
Wind dir       E  E  E  E  E  E  E  E NE NE NE NE NE NE  E  E  E  E  E NE  E  E
Wind spd      13  9 11 10 10 16 14 16 16 12 12 13 14 16 17 17 14  9  9  8  6  9
Wind gust     25
Clouds        B2 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 FW FW FW FW SC
PoP 12hr                     30          30          30          50          10
QPF 12hr                      0   0.01-0.15   0.00-0.07   0.09-0.38        0.02
Rain shwrs    NM SC SC IS IS IS IS SC SC SC SC SC SC IS IS SC SC IS IS IS IS IS
Tstms         IS IS IS             IS IS IS IS IS IS       IS IS
Heat index                      84 86 80             81 88 89 82             81
Max heat         94          90    98    97          91    98    96          93


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      72    86      71    84      71    87      73    87
Temp          84 76   73 81 86 76   72 79 84 75   72 81 87 77   74 81 87 76
Dewpt         73 73   72 73 73 73   72 74 74 73   72 73 72 71   70 70 73 72
PWind dir        SE       E    NE      NE    NE       E     S      SE    SE
Wind char        GN      GN    GN      LT    GN      LT    LT      LT    LT
Avg clouds    SC B1   SC SC SC B1   SC SC SC B1   SC SC B1 B1   SC SC SC SC
PoP 12hr         30      20    30      30    30      30    40      10    20
Rain shwrs    SC SC   IS IS SC SC   IS IS SC SC   SC SC SC SC   IS IS IS IS
Tstms         IS IS         IS IS   IS IS IS IS   IS IS IS IS

$$

PRZ007-180815-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                62 70 75    78 89 95    62 72 77    79 90 94    63 72 76
Temp          80 75 73 71 72 82 88 89 84 78 76 73 74 83 89 90 84 78 76 73 74 81
Dewpt         71 71 71 70 69 69 68 67 68 70 70 71 70 71 70 70 71 71 71 71 71 74
RH            74 87 93 97 90 65 52 48 59 76 82 93 87 67 54 52 65 79 85 93 90 79
Wind dir      SE  E NE NE  E  E  E  E  E NE NE NE NE  E  E SE  E  E NE NE NE  E
Wind spd      16 10 11 10 11 17 17 17 17 13 14 16 14 18 19 19 17 10 10  9  8 10
Wind gust     28 20 21             27                      31 27
Clouds        B1 SC SC FW FW FW FW SC SC SC SC SC SC SC SC B1 B1 FW FW FW FW SC
PoP 12hr                     20          30          10          40          10
QPF 12hr              0.00-0.07   0.01-0.15        0.01   0.19-0.36        0.02
Rain shwrs    SC IS IS IS IS IS IS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS
Tstms         IS                   IS IS                   IS IS
Heat index    84             86 93 93 88 80          88 94 95 89 80          87
Max heat         97          94   102   100    86    94   102   101    84    94


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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    90      73    88      73    88      75    88
Temp          87 78   75 84 90 78   74 82 88 78   74 83 88 80   76 83 88 79
Dewpt         74 75   74 74 73 73   73 74 74 74   74 74 73 72   70 70 73 73
PWind dir        SE       E     E      NE     E      NE     S       E    SE
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    SC B1   SC SC SC B1   SC SC SC B1   SC SC SC SC   SC SC SC SC
PoP 12hr         30      10    30      10    40      30    30      20    20
Rain shwrs    IS SC   IS IS SC SC   IS IS SC SC   SC SC SC IS   IS IS IS IS
Tstms         IS IS         IS IS         IS IS   IS IS IS IS   IS IS IS IS

$$

PRZ008-180815-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                68 70 74    83 88 93    70 75 79          88    69 75 79
Temp          80 75 73 71 72 81 87 88 84 79 77 76 76 83 87 88 84 79 77 76 76 83
Dewpt         72 73 73 71 72 72 72 72 72 72 72 73 73 73 73 74 74 74 73 73 72 75
RH            77 94100100100 74 61 59 67 79 85 90 90 72 63 63 72 85 87 90 87 77
Wind dir       E  E  E  E  E  E  E NE NE  E NE NE NE  E  E NE  E  E  E  E  E  E
Wind spd      13 11 11 11 12 14 16 17 18 13 13 13 14 18 19 19 18 12 10  8  6  9
Wind gust     28 25 24                   26          28       28 23
Clouds        B2 B1 B1 FW FW FW FW FW FW SC SC SC SC SC SC SC SC FW FW FW FW SC
PoP 12hr                     30          30          10          30          10
QPF 12hr                      0        0.01        0.03   0.02-0.24        0.01
Rain shwrs    NM SC SC IS IS IS IS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS
Tstms         IS IS IS
Heat index    83             86 94 95 90 81          89 95 96 91 82          90
Max heat         98          94   103   102    89    95   102   101    88    96


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      75    88      75    87      76    88      76    88
Temp          88 80   76 83 88 80   76 83 87 79   77 83 88 80   77 83 88 81
Dewpt         75 74   75 75 76 72   74 75 77 73   74 75 75 73   72 72 74 76
PWind dir        NE       E    NE       E    NE       E     N      SE     E
Wind char        LT      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    SC B1   SC SC SC B1   SC SC SC SC   SC SC SC B1   SC SC SC B1
PoP 12hr         30      10    50      20    20      10    50      10    30
Rain shwrs    SC SC   IS IS SC SC   IS IS IS IS   IS IS SC SC   IS IS SC SC
Tstms         IS IS         IS IS   IS IS IS IS         IS IS         IS IS

$$

PRZ009-180815-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                63 67 71    79 84 94    63 69 74    80 87 93    65 69 74
Temp          79 73 70 68 69 78 83 84 80 74 72 70 71 80 86 87 81 75 73 70 71 79
Dewpt         70 70 70 68 68 69 68 68 69 69 69 70 70 70 70 70 71 70 70 69 69 73
RH            74 90100100 97 74 61 59 69 84 90100 97 72 59 57 72 84 90 97 93 82
Wind dir       E NE NE  E  E  E  E  E NE NE NE NE NE NE  E  E  E NE  E  E  E  E
Wind spd      11  8  9  9 11 16 14 14 16 13 13 14 14 17 17 14 13  9  8  8  8 10
Wind gust     26                                           26
Clouds        B2 B1 B1 FW FW FW FW SC SC SC SC SC SC SC SC B1 B1 FW FW FW FW SC
PoP 12hr                     20          30          10          50          10
QPF 12hr                      0   0.01-0.15           0   0.06-0.36        0.01
Rain shwrs    NM IS IS IS IS IS IS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS
Tstms         IS                   IS IS                   IS IS
Heat index    80                87 88 82             83 90 92 85             81
Max heat         97          90   100    99          93   103   102          91


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      71    87      71    85      72    86      73    86
Temp          85 76   72 81 87 76   72 80 85 76   73 80 86 77   74 81 86 77
Dewpt         74 74   72 73 74 71   72 73 75 73   72 74 73 72   70 70 73 73
PWind dir        SE       E    NE      NE     E       E     S      SE    SE
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    SC B1   SC SC SC B1   SC SC SC B1   SC SC SC B1   SC SC SC B1
PoP 12hr         40      10    40      10    30      20    50      10    40
Rain shwrs    SC SC   IS IS SC SC   IS IS IS SC   IS IS SC SC   IS IS SC SC
Tstms         IS IS         IS IS         IS IS         IS IS         IS IS

$$

PRZ010-180815-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                67 71 78    84 91 96    67 75 82    85 90 94    68 75 83
Temp          83 77 74 72 73 83 90 91 86 80 78 76 77 85 89 90 86 80 78 76 76 82
Dewpt         72 73 73 71 71 72 71 71 73 72 72 73 73 73 73 73 74 74 73 73 73 75
RH            70 87 97 97 93 70 54 52 65 77 82 90 87 67 59 58 68 82 85 90 90 79
Wind dir       E  E NE  E  E  E  E  E NE NE NE NE NE NE  E  E  E NE NE NE  E  E
Wind spd      12 11 10  9  9 13 12 12 13 16 14 14 14 18 17 14 14 11  8  9  9 10
Wind gust     25 29 27 27 24       24 26 28 31 29 29 29 29 31 29 28 24 23
Clouds        B2 B1 B1 FW FW FW FW SC SC FW FW FW FW SC SC B1 B1 FW FW FW FW SC
PoP 12hr                     20          30          10          50          10
QPF 12hr              0.00-0.15   0.01-0.15        0.01   0.02-0.36   0.01-0.07
Rain shwrs    NM IS IS IS IS IS IS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS
Tstms         IS                   IS IS                   IS IS
Heat index    89             88 96 98 93 84          92 98 99 93 84          89
Max heat         99    86    95   107   106    91    96   103   103    94    95


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      76    89      75    89      76    87      78    87
Temp          87 80   77 84 89 80   76 84 89 80   77 83 87 81   78 84 87 81
Dewpt         75 75   75 75 75 73   74 75 76 75   76 76 76 74   73 72 74 75
PWind dir        SE       E    NE       E     E       E     S       E     E
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    SC B1   SC SC SC B1   SC SC SC SC   SC SC SC B1   SC SC SC B1
PoP 12hr         40      10    50      10    30      20    50      10    50
Rain shwrs    SC SC   IS IS SC SC   IS IS IS SC   IS IS IS SC   IS IS SC SC
Tstms         IS IS         IS IS         IS IS         IS IS         IS IS

$$

PRZ011-180815-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                69 71 75    90 93 96          76    88 92 94    72 75 78
Temp          84 77 75 72 73 85 92 93 88 82 79 77 78 86 91 92 87 81 78 76 77 84
Dewpt         73 73 73 72 71 71 70 71 72 73 72 72 72 72 72 73 73 74 73 73 73 75
RH            70 87 94100 93 63 49 49 59 74 79 85 82 63 54 54 63 79 85 90 87 74
Wind dir      SE  E  E  E  E  E SE SE  E NE NE NE NE  E  E SE SE  E  E  E  E  E
Wind spd      18 13 10  8 12 16 16 18 12 12 13 12 12 17 19 20 18 12  8  9  9 12
Wind gust     29 25       23 26 27 28 24                29 31 28 23
Clouds        B1 SC SC FW FW FW FW SC SC FW FW FW FW SC SC B1 B1 FW FW FW FW SC
PoP 12hr                     20          40          10          30          10
QPF 12hr              0.00-0.07   0.01-0.15           0   0.19-0.36        0.01
Rain shwrs    NM IS IS IS IS IS IS SC SC             IS IS SC SC IS IS IS IS IS
Tstms         IS                   IS IS                   IS IS
Heat index    90             90 99101 95 87 81       93 99101 94 86          91
Max heat         98          94   107   107    91    97   103   102    89    94


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      77    91      76    91      76    89      79    89
Temp          89 81   78 86 91 81   77 85 91 81   77 84 89 82   80 85 89 82
Dewpt         76 76   75 75 74 74   74 74 75 76   76 76 75 74   72 72 75 75
PWind dir        SE       E     E       E     E       E     S       E    SE
Wind char        BZ      GN    GN      GN    LT      LT    LT      LT    GN
Avg clouds    SC SC   SC SC SC B1   SC SC SC B1   SC SC SC SC   SC SC SC SC
PoP 12hr         30      10    30      10    40      20    20      30    30
Rain shwrs    IS SC   IS IS SC SC   IS IS SC SC   IS IS IS IS   SC SC IS IS
Tstms         IS IS         IS IS         IS IS                 IS IS IS IS

$$

PRZ012-180815-
Culebra-
Including the city of Culebra
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          89          80          87          80
Temp          82 79 78 77 77 84 88 89 86 83 82 81 81 84 87 87 85 82 81 80 81 86
Dewpt         77 77 77 76 76 75 75 76 76 76 77 77 77 77 77 77 77 77 77 77 77 76
RH            85 94 97 97 97 74 66 66 72 80 85 88 88 80 72 72 77 85 88 91 88 72
Wind dir       E  E  E  E  E  E  E  E  E NE NE NE  E  E  E  E  E  E  E  E  E  E
Wind spd      16 19 20 21 20 20 18 17 19 23 24 23 23 23 20 18 18 18 16 14 12 13
Clouds        SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 SC SC B1 B1 B1 B1 B1
PoP 12hr                     20          20          50          50          50
QPF 12hr                   0.11        0.04        0.14        0.17        0.19
Rain shwrs    SC IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS                         IS IS IS IS             IS IS IS IS IS
Heat index    90             93 99101 97 92 90 88 88 95 99 99 96 91 89 86 87 95
Max heat         97          94   103   102    92    97   100   100    91    96


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      80    88      79    88      80    88      80    88
Temp          89 83   81 85 88 82   80 85 88 83   80 85 88 83   80 85 88 84
Dewpt         77 77   77 77 77 77   77 77 77 77   77 77 76 74   75 76 77 76
PWind dir        SE       E     E       E     E       S     S      SE     E
Wind char        BZ      BZ    BZ      BZ    GN      LT    GN      GN    GN
Avg clouds    B1 B2   B2 B2 B2 B2   B2 B2 B1 B1   B2 B2 B1 B1   B1 B1 B1 SC
PoP 12hr         50      60    60      50    50      50    50      40    40
Rain shwrs    SC SC   NM NM NM SC   SC SC SC SC   SC SC SC SC   SC SC SC IS
Tstms         IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS

$$

PRZ013-180815-
Vieques-
Including the city of Vieques
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          89          80          86          80
Temp          82 79 78 77 77 84 88 89 86 83 82 81 81 84 86 86 84 82 81 80 81 85
Dewpt         76 76 76 75 75 75 74 75 75 75 76 76 76 76 76 76 76 76 76 76 76 75
RH            82 91 94 94 94 74 63 64 70 77 82 85 85 77 72 72 77 82 85 88 85 72
Wind dir       E  E  E  E  E  E  E  E NE NE NE NE NE  E  E  E  E  E  E  E  E  E
Wind spd      16 19 20 21 21 20 18 18 19 21 24 24 24 23 21 18 17 17 16 13 13 13
Clouds        B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     30          20          60          50          50
QPF 12hr                   0.11        0.04        0.14        0.27        0.19
Rain shwrs    SC IS IS SC SC IS IS IS IS NM NM NM NM SC SC SC SC SC SC SC SC SC
Tstms         IS                         IS IS IS IS       IS IS IS IS IS IS IS
Heat index    90 80          92 98 99 96 90 89 87 87 93 97 97 93 89 87 85 87 94
Max heat         98          94   103   102    91    95    99    99    91    96


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      80    87      79    88      78    87      80    87
Temp          88 83   80 84 87 82   79 85 88 81   79 84 87 82   80 84 87 84
Dewpt         77 77   77 77 77 77   77 77 77 76   76 76 76 74   74 76 77 76
PWind dir        SE       E     E       E     E       S     S      SE     E
Wind char        GN      BZ    BZ      BZ    GN      LT    GN      LT    GN
Avg clouds    B1 B2   B2 B2 B2 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC
PoP 12hr         50      60    60      50    50      50    50      40    40
Rain shwrs    SC SC   NM NM NM SC   SC SC SC SC   SC SC SC SC   SC SC SC IS
Tstms         IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS

$$

VIZ001-180815-
St.Thomas...St. John...and Adjacent Islands-
Including the cities of Anna`s Retreat, Charlotte Amalie,
Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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 73 78    84 91 93    76 79 83    85 89 91    75 79 83
Temp          83 78 76 74 75 84 90 91 87 83 81 80 80 85 88 89 86 82 81 80 80 85
Dewpt         76 76 75 74 74 74 74 74 74 75 76 76 76 76 76 76 76 76 76 76 75 75
RH            80 94 97100 97 72 60 58 65 77 85 88 88 75 68 66 72 82 85 88 85 72
Wind dir       E  E  E  E  E  E  E  E  E NE NE NE  E  E  E  E  E  E  E  E  E  E
Wind spd      17 19 21 23 20 20 19 19 20 21 24 23 23 21 20 18 17 18 14 14 10 12
Clouds        B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 SC SC B1 B1 B1 B1 B1
PoP 12hr                     20          20          50          50          50
QPF 12hr                   0.11        0.04        0.14   0.17-0.23        0.19
Rain shwrs    SC IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS                         IS IS IS IS             IS IS IS IS IS
Heat index    91             92 99101 96 91 87 85 85 95 99100 96 90 86 84 84 94
Max heat        100    87    96   106   105    94   100   105   103    94    96


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      79    89      78    87      79    89      80    89
Temp          88 82   80 85 89 82   79 84 87 82   80 85 89 82   80 85 89 83
Dewpt         77 77   76 77 77 76   77 77 76 76   76 76 75 74   74 75 76 76
PWind dir        SE       E     E       E     E       S     S      SE     E
Wind char        BZ      BZ    BZ      BZ    GN      GN    GN      GN    GN
Avg clouds    B1 B2   B2 B2 B2 B2   B2 B2 B1 B1   B2 B2 B1 B1   B1 B1 B1 SC
PoP 12hr         50      60    60      50    50      50    50      40    40
Rain shwrs    SC SC   NM NM SC SC   SC SC SC SC   SC SC SC SC   SC SC SC IS
Tstms         IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS

$$

VIZ002-180815-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
217 PM AST Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          89          78          89          76
Temp          85 79 77 75 76 83 88 89 86 81 80 79 79 84 88 89 85 80 78 77 77 83
Dewpt         76 76 76 74 74 74 75 75 75 76 77 76 76 76 76 76 76 76 77 76 76 76
RH            75 91 97 97 94 74 66 64 70 85 91 91 91 77 68 66 75 88 97 97 97 80
Wind dir       E  E  E  E  E  E  E  E NE NE NE  E  E  E  E  E  E  E  E  E  E SE
Wind spd      18 19 21 24 21 21 20 19 20 23 25 25 25 24 20 17 16 16 13 13 10 12
Clouds        B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     20          20          50          50          50
QPF 12hr                   0.11        0.04        0.14        0.27        0.19
Rain shwrs    SC IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS                         IS IS IS IS       IS IS IS IS IS IS IS
Heat index    95 81          91 98100 95 88 83 80 80 94 99100 94 85          91
Max heat        103          94   105   103    91    97   103   100    87    94


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      77    90      77    89      78    89      78    89
Temp          88 81   78 85 90 81   78 84 89 82   79 85 89 82   79 85 89 83
Dewpt         77 76   77 77 77 77   77 77 77 76   76 76 75 74   76 76 76 77
PWind dir        SE       E     E       E    SE       S     S      SE     E
Wind char        BZ      BZ    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC
PoP 12hr         50      50    50      40    40      40    40      40    40
Rain shwrs    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC IS
Tstms         IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.