Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
536 PM EDT Sun Sep 6 2026

SCZ150-070800-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
536 PM EDT Sun Sep 6 2026

Date           09/06/26      Mon 09/07/26            Tue 09/08/26            Wed
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                      73          84          72          86          73
Temp             81 78 76 75 75 79 81 79 76 75 75 74 74 81 84 82 78 77 76 75 75
Dewpt            74 74 72 72 73 73 72 71 72 72 72 72 72 73 73 74 72 72 73 73 74
RH               79 88 87 90 94 82 74 77 87 90 90 93 93 77 70 77 82 85 90 94 97
Wind dir          E NE NE  N NE NE  E  E  E NE NE NE NE  E  E  E  E  E  E  E NE
Wind spd          8  5  5  8  9 11 13 13 11 10  9 10 10 13 16 16 11  9  8  6  8
Wind gust                          24                      26
Clouds           B1 B2 B2 B1 B1 B1 B1 B1 SC SC FW FW FW SC SC SC SC SC SC SC SC
PoP 12hr                     50          60          50          50          20
QPF 12hr                   0.53        0.56        0.06        0.26           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  C  L  C  C     S  C  C  C  C  C  S  S  S  S  L
Tstms             C  C  C  C  C  C  C  C  S              S  C  S
Heat index                                                 90
Max heat         98                                        90    90


Date           09/09  Thu 09/10/26  Fri 09/11/26  Sat 09/12/26  Sun 09/13/26
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      73    89      74    91      74    89      74    90
Temp          85 79   76 75 86 82   77 75 88 82   76 75 87 82   77 76 88 82
Dewpt         74 73   74 74 74 75   75 74 74 75   75 74 74 75   75 75 74 75
PWind dir         E       E    SW      SW    SW      SW    SW      SW    SW
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC FW SC   SC FW SC SC   SC SC SC B1   B1 SC SC SC
PoP 12hr         60      10    50      10    40      30    40      20    40
Rain shwrs     L  C          C  C          S  C    C  S  S  C    S     S  C
Tstms             C          S  C          S  C    C  S  S  C    S     S  C

$$
GAZ218-070800-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
536 PM EDT Sun Sep 6 2026

Date           09/06/26      Mon 09/07/26            Tue 09/08/26            Wed
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                      74          87          73          87          74
Temp             82 78 76 75 75 81 83 82 76 75 75 74 74 81 85 84 78 77 76 75 75
Dewpt            74 74 73 72 72 74 74 74 74 73 73 72 72 75 75 75 74 73 73 73 74
RH               77 88 90 90 90 79 74 77 94 94 94 93 93 82 72 74 88 87 90 94 97
Wind dir          S  N NE NE NE NE  E  E  E NE NE NE NE NE  E  E  E NE NE NE NE
Wind spd          4  2  1  3  5  8  9 10  8  6  5  6  9 11 12 12  8  5  4  4  4
Clouds           B1 B2 B2 B2 B1 B1 B1 B2 B1 B1 SC SC SC B1 B1 B1 SC SC SC SC SC
PoP 12hr                     40          70          50          60          30
QPF 12hr                   0.16        0.40        0.17        0.23        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C     S  S  C  C  L  C  C  C  S  C  C  L  L  C  C  C  C  L
Tstms             S  C     S  S  C  C  C  C  S  S        S  C  C  S
Heat index                         90                      94 92
Max heat        102                90    93                94    95


Date           09/09  Thu 09/10/26  Fri 09/11/26  Sat 09/12/26  Sun 09/13/26
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          89      74    91      73    92      74    91      74    92
Temp          86 80   76 75 88 82   76 74 89 83   76 75 88 82   76 75 89 83
Dewpt         76 75   74 74 75 75   74 74 75 75   74 74 75 75   75 74 75 75
PWind dir         E      SE    SW      SW    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   B1 SC SC SC
PoP 12hr         80      20    60      20    40      20    40      10    40
Rain shwrs     L  D    S     C  L    S        C    S        C             C
Tstms          S  C    S     S  C    S        C    S        C             C

$$
SCZ150-070800-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
536 PM EDT Sun Sep 6 2026

Date           09/06/26      Mon 09/07/26            Tue 09/08/26            Wed
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                      74          83          75          85          76
Temp             81 79 77 76 76 80 81 80 77 77 77 76 76 82 84 83 79 78 78 77 78
Dewpt            77 75 73 73 74 75 75 74 75 74 73 73 74 76 78 77 75 74 74 74 75
RH               88 88 87 90 94 85 82 82 94 90 87 90 94 82 82 82 88 88 88 90 91
Wind dir          E NE NE NE NE  E  E  E  E NE NE NE NE  E  E  E  E  E  E  E  E
Wind spd          5  4  4  6  8 12 14 14 12 10  9 10 11 16 17 16 11 10  6  6  6
Clouds           B1 OV B2 B2 B1 B1 B1 B1 SC SC SC SC FW SC SC SC SC SC SC SC SC
PoP 12hr                     50          60          50          60          40
QPF 12hr                   0.48        0.86        0.17        0.31        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  C  L  C  C  C  C  C  L  L  C  C  C  C  C  C  L
Tstms             C  C  C  C  C  C  C  C  S              S  C  S  S
Heat index                                                 95 92
Max heat         98                                        95    95


Date           09/09  Thu 09/10/26  Fri 09/11/26  Sat 09/12/26  Sun 09/13/26
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          85      76    87      76    89      76    88      76    89
Temp          84 80   78 77 86 82   79 76 88 83   79 76 87 82   79 78 87 83
Dewpt         78 76   75 76 78 77   77 76 78 77   76 76 79 78   77 76 79 78
PWind dir         E       S    SW      SW    SW      SW    SW      SW    SW
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC FW SC   SC FW SC SC   SC SC SC B1   B1 SC FW SC
PoP 12hr         60      20    40      10    40      30    40      20    40
Rain shwrs     L  C       S  C  C          S  C    C  S  S  C    S  S  S  C
Tstms          S  C       S  C  C          S  C    C  S  S  C    S  S  S  C

$$
SCZ148-070800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
536 PM EDT Sun Sep 6 2026

Date           09/06/26      Mon 09/07/26            Tue 09/08/26            Wed
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                      74          85          73          86          75
Temp             82 78 76 75 75 80 82 80 76 75 75 75 75 81 84 83 78 76 76 76 76
Dewpt            75 73 73 73 72 74 75 74 75 73 73 72 73 76 77 76 75 74 73 73 74
RH               79 85 90 94 90 82 79 82 97 94 94 90 94 85 80 80 91 94 90 90 94
Wind dir         SE NE NE NE NE NE  E  E  E NE NE NE NE NE  E  E  E  E  E NE NE
Wind spd          4  2  2  4  6 10 10 10  8  8  6  9 11 13 13 12  8  6  5  4  5
Wind gust                          20 21 19 18             25 24 19 17
Clouds           B1 OV B2 B1 B1 B1 B1 B1 B1 SC SC SC FW SC SC SC SC SC SC SC SC
PoP 12hr                     50          70          50          50          40
QPF 12hr                   0.32        0.96        0.27        0.14        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  C  L  L  C  S  S  C  C  C  C  C  C  C  C  C  L
Tstms             S  S  S  C  C  C  L  C  C  S  S        S  C  C  S
Heat index                                                 94 91
Max heat         99                      90                94    94


Date           09/09  Thu 09/10/26  Fri 09/11/26  Sat 09/12/26  Sun 09/13/26
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      75    89      75    90      75    90      75    90
Temp          85 80   77 76 87 82   77 76 88 83   77 77 88 82   78 77 88 82
Dewpt         78 76   74 75 77 77   75 75 77 77   75 75 77 76   76 75 77 76
PWind dir         E      SE    SW      SW    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC SC   SC FW FW SC   SC SC SC SC   SC SC FW SC
PoP 12hr         70      20    50      10    40      20    40      20    40
Rain shwrs     L  L    S     C  C             C    S        C    S        C
Tstms             C    S     S  C             C    S        C    S        C

$$
SCZ043-070800-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
536 PM EDT Sun Sep 6 2026

Date           09/06/26      Mon 09/07/26            Tue 09/08/26            Wed
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                      71          83          70          85          71
Temp             79 75 73 72 72 78 80 79 74 73 72 71 72 80 83 83 76 74 73 72 73
Dewpt            73 72 71 71 71 73 73 72 72 71 70 69 70 71 73 72 71 71 70 70 72
RH               82 90 93 97 97 85 79 79 93 93 93 93 93 74 72 70 85 90 90 93 97
Wind dir         SE  N  N NE NE  E  E  E  E NE NE NE NE NE  E  E  E NE NE NE NE
Wind spd          5  0  2  5  6  9 10  9  6  6  5  8  9 11 11 11  6  5  4  4  5
Wind gust                                                  21
Clouds           B2 OV B1 B1 B2 B1 B1 B1 SC FW FW FW FW SC SC SC SC SC FW SC SC
PoP 12hr                     60          60          20          50           5
QPF 12hr                   1.04        0.47        0.04        0.08           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  C  C  C  C  C  L  C  S           S  S  C  C              C
Tstms             L  C  S  S  S  C  C  C                    C  S


Date           09/09  Thu 09/10/26  Fri 09/11/26  Sat 09/12/26  Sun 09/13/26
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      71    89      72    90      72    89      72    90
Temp          85 78   73 73 87 80   74 74 88 81   74 74 87 81   74 74 88 81
Dewpt         73 72   72 72 73 73   73 73 73 73   72 73 73 73   73 73 73 73
PWind dir         E      SE    SW      SW    SW       S    SW       S     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC FW SC SC   SC FW SC SC   SC SC SC SC   SC FW SC SC
PoP 12hr         60      20    50      10    30      30    40      20    40
Rain shwrs     C  L    S     S  C             C    C     S  C    S        C
Tstms             C    S        C             C    S        C    S        C

$$
GAZ099-070800-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
536 PM EDT Sun Sep 6 2026

Date           09/06/26      Mon 09/07/26            Tue 09/08/26            Wed
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                      72          87          71          88          72
Temp             79 76 74 73 73 80 84 81 74 74 73 72 72 79 86 83 76 75 74 73 72
Dewpt            73 73 72 71 71 73 74 74 74 74 72 72 71 74 75 74 75 74 73 72 72
RH               82 90 93 93 93 79 72 79100100 97100 97 85 70 74 97 97 97 97100
Wind dir         SE  E  E NE NE  E  E  E  E NE NE NE NE NE  E  E  E  E NE NE NE
Wind spd          4  2  2  2  4  8  9  9  6  5  5  6  9 11 11 10  5  4  4  4  5
Wind gust                                17
Clouds           B1 B2 B1 B2 B1 SC SC SC B1 SC SC B1 FW SC SC B1 SC FW SC B1 SC
PoP 12hr                     60          50          30          60          10
QPF 12hr                   0.22        0.30        0.01        0.10           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C              C  C  S  C  S           L  L              C
Tstms             C  C              C  C                    C  C
Heat index                         91                      95 90
Max heat         99                91    93                95    95


Date           09/09  Thu 09/10/26  Fri 09/11/26  Sat 09/12/26  Sun 09/13/26
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          89      72    90      72    91      72    90      72    91
Temp          87 79   74 73 88 80   75 73 89 81   75 73 88 80   75 73 89 81
Dewpt         75 76   74 73 75 75   74 73 75 76   74 73 75 76   74 73 75 75
PWind dir         E      SE    SW      SW    SW      SW    SW       S    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC FW B1 SC   SC FW SC SC   SC FW SC SC   SC SC SC FW
PoP 12hr         70      20    50      10    30      20    40      20    30
Rain shwrs     C  L    S     S  C             C    S        C    S        C
Tstms             C    S        C             C    S        C    S        C

$$

PRODUCT KEY...

--- Cloud Cover ---
CODE   PERCENTAGE            SKY COVER DAY/NIGHT
 CL    0 TO <=5 percent      Sunny/Clear
 FW    >5 TO <=25 percent    Sunny/Mostly Clear
 SC    >25 TO <=50 percent   Partly Cloudy
 B1    >50 TO <=69 percent   Mostly Cloudy
 B2    >69 TO <=87 percent   Mostly Cloudy
 OV    >87 TO 100 percent    Cloudy

--- Obstructions to Visibility ---    --- Weather Coverage ---
CODE   TYPE                           CODE   QUALIFYING TERM
 F     Fog                             S     Slight
 PF    Patchy Fog                      C     Chance
 F+    Dense Fog                       L     Likely
 PF+   Patchy Dense Fog                O     Occasional
 H     Haze                            D     Definite
 BS    Blowing Snow
 K     Smoke
 BD    Blowing Dust
 AF    Volcanic Ashfall

--- Extended Wind Forecast Character ---
                           12-HR MAX SUSTAINED
CODE   WIND CHARACTER          WIND SPEED
 LT    Light                   < 8 mph
 GN    Gentle                  8-14 mph
 BZ    Breezy                  15-22 mph
 WY    Windy                   23-30 mph
 VW    Very Windy              31-39 mph
 SD    Strong/Damaging         >=40 mph