Point Forecast Matrices
Issued by NWS Key West, FL

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Point Forecast Matrices
National Weather Service Key West FL
546 PM EDT Mon Sep 28 2026

FLZ078-290800-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
546 PM EDT Mon Sep 28 2026

Date           09/28/26      Tue 09/29/26            Wed 09/30/26            Thu
EDT 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                      77          86          77          86          78
Temp             82 81 81 79 79 83 84 84 80 79 79 79 79 84 85 84 81 80 80 79 80
Dewpt            71 72 73 73 73 74 74 74 74 74 74 74 74 75 75 75 75 75 76 76 76
RH               69 74 77 82 82 74 72 72 82 85 85 85 85 74 72 74 82 85 88 91 88
Wind dir         SW SW  S  S SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          5  5  5  4  6  8  9  8  6 10 10 10 10 12 13 14 14 16 16 16 17
Clouds           B1 B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     50          70          60          70          70
QPF 12hr                   0.08        0.23        0.15        0.34        0.35
Rain shwrs        C  C  C  C  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L
Tstms             C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Heat index       86 85 86       90 91 91 85             92 94 92 87 85 86    86
Max heat         91    86    84    91    93    85          94    92    87    86
Coast Flood       Y  Y  Y


Date           10/01  Fri 10/02/26  Sat 10/03/26  Sun 10/04/26  Mon 10/05/26
EDT 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      79    90      80    90      80    89      79    89
Temp          85 83   82 82 88 85   82 83 88 85   82 81 88 84   81 81 87 84
Dewpt         77 77   77 78 78 78   78 78 78 78   78 78 78 77   77 77 77 76
PWind dir         E      SE     E       E     E       E     E       E    SE
Wind char        BZ      BZ    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2   B1 B2 B1 B1   B1 B1 B1 SC   SC SC SC SC   SC SC SC SC
PoP 12hr         70      70    60      30    30      30    30      30    20
Rain shwrs     L  L    L  L  L  L    C  C  C  C    C  C  C  C    C  C  S  S
Tstms          C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  S  S

$$
FLZ077-290800-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
546 PM EDT Mon Sep 28 2026

Date           09/28/26      Tue 09/29/26            Wed 09/30/26            Thu
EDT 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                      78          86          78          86          79
Temp             83 82 82 80 80 83 84 84 81 82 82 80 80 83 84 84 81 82 81 80 81
Dewpt            71 72 72 72 73 73 74 73 73 73 74 73 74 75 75 75 75 75 76 76 76
RH               67 72 72 77 79 72 72 70 77 74 77 79 82 77 74 74 82 79 85 88 85
Wind dir         SW SW  S  S SE SE SE SE  E NE  E  E  E  E  E  E  E  E  E  E  E
Wind spd          5  4  5  4  4  6  6  6  5  6 10 10 10 11 12 13 13 16 16 16 16
Clouds           SC B1 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2
PoP 12hr                     50          60          60          70          80
QPF 12hr                   0.06        0.13        0.09        0.32        0.39
Rain shwrs        C  C  C  C  L  L  L  L  L  L  L  L  L  L  L  L  D  D  D  D  L
Tstms             C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Heat index       88 87 87 84 84 89 91 90 86 87 88 84 85 90 92 92 87 89 87 86 87
Max heat         90    87    87    91    92    88    86    92    92    89    87
Coast Flood       Y  Y  Y


Date           10/01  Fri 10/02/26  Sat 10/03/26  Sun 10/04/26  Mon 10/05/26
EDT 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    88      81    88      80    88      80    88
Temp          86 84   83 83 86 85   83 83 86 85   83 81 86 85   82 82 86 85
Dewpt         77 77   77 78 78 78   78 78 78 77   77 77 77 77   77 77 76 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B1 B1   B1 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         70      70    60      30    40      30    30      40    30
Rain shwrs     L  L    L  L  L  L    C  C  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$