Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 161836
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Point Forecast Matrices
National Weather Service Charleston SC
236 PM EDT Wed Jul 16 2025

SCZ050-170800-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
236 PM EDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
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          93          77          96          77
Temp          87 81 79 78 78 79 87 91 89 82 79 79 77 79 88 93 91 84 80 79 77 80
Dewpt         75 75 76 75 75 76 75 74 74 74 75 76 76 76 75 74 75 75 75 76 75 76
RH            68 82 91 91 91 91 68 58 61 77 88 91 97 91 66 54 60 74 85 91 94 88
Wind dir       S  S  S  S  S  S SW  S  S  S  S  S SW SW SW SW  S  S SW SW SW  W
Wind spd      13 10  9  8  6  8 10 12 13 11  9  6  6  6  8  9 11 10  8  6  6  6
Clouds        FW SC SC FW SC SC SC SC SC FW FW FW FW FW FW B1 B1 SC FW FW FW FW
PoP 12hr                      5          20           0          30           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S     S  S                    C  C
Tstms                         S     S  S                    C  C
Heat index    96                96101 98                98103102 92
Max heat        101               101   102               103   103


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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          97      78    98      78    96      77    92      76    92
Temp          95 85   80 80 96 85   80 80 94 83   79 79 88 81   77 78 90 82
Dewpt         74 76   76 76 74 76   76 75 75 77   77 76 76 77   75 75 75 75
PWind dir        SW      SW     W      SW    SW      SE    NE       E     E
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   SC FW FW B1   SC SC SC B2   B1 B1 B1 B2   B1 SC B1 B1
PoP 12hr         20      10    30      20    50      40    60      30    50
Rain shwrs        S             C    S     S  C    C  S  C  L    C  S  C  C
Tstms             S             C    S     S  C    C  S  C  L    C  S  C  C

$$
GAZ118-170800-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
236 PM EDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
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          93          77          96          77
Temp          89 83 79 78 78 79 87 91 91 83 80 79 77 79 89 94 92 85 81 79 77 79
Dewpt         75 75 76 76 75 76 76 75 74 75 76 76 76 76 77 75 75 75 75 75 74 75
RH            64 77 91 94 91 91 70 60 58 77 88 91 97 91 68 54 58 72 82 88 90 88
Wind dir      SE SE  S  S  S  S  S  S  S  S  S  S  S SW SW  S  S  S  S SW SW  W
Wind spd      12 10  8  5  5  5  8 10 11 10  6  4  3  3  4  6  8  6  5  4  3  4
Clouds        FW FW SC FW FW FW SC SC SC SC FW FW FW FW FW B1 B1 SC FW CL CL FW
PoP 12hr                      5          20           0          30           0
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S                    C  C
Tstms                               S  S                    C  C
Heat index    99 90             98102101 90            102106103 94
Max heat        101               102   102               106   106    90


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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          98      79    99      79    98      77    94      77    94
Temp          96 88   81 81 97 88   81 81 96 86   79 79 92 83   79 79 92 84
Dewpt         74 75   75 74 73 75   74 75 75 76   76 77 77 77   77 76 77 76
PWind dir         W      SW     W      SW     W      SW    NE       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   SC CL FW B1   SC FW SC B2   B1 SC B1 B2   B1 SC SC B2
PoP 12hr         20       5    30      20    60      30    70      30    60
Rain shwrs        S             C    S     S  L    C     S  L    C     S  L
Tstms             S             C    S     S  L    C     S  L    C     S  L

$$
SCZ050-170800-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
236 PM EDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
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                      79          91          79          93          78
Temp          88 83 81 81 80 81 87 90 89 83 81 80 79 81 88 92 91 84 82 80 79 81
Dewpt         77 76 77 77 77 77 77 77 76 76 77 77 77 78 78 78 78 77 77 77 76 78
RH            70 80 88 88 91 88 72 66 66 80 88 91 94 91 72 64 66 80 85 91 91 91
Wind dir       S  S  S  S  S SW  S  S  S  S  S SW SW SW SW  S  S SW SW SW SW  W
Wind spd      13 10  9  8  8  8 10 12 13 10  9  6  6  6  8 11 12 10  8  6  5  5
Clouds        FW SC SC FW FW SC SC SC FW FW SC FW FW SC SC SC SC SC FW FW FW FW
PoP 12hr                     10          20           0          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S     S                 S  S  S  S
Tstms                         S     S                 S  S  S  S
Heat index   100 91             99103100 91            101107106 94 90
Max heat        102               103   103               107   107    92


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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          96      79    97      80    95      77    90      78    91
Temp          94 86   82 82 95 86   82 82 93 84   79 80 88 82   80 80 89 83
Dewpt         77 78   78 77 78 78   77 76 78 78   78 78 79 78   77 77 79 76
PWind dir        SW      SW    SW      SW    SW      SE     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    LT      LT    GN
Avg clouds    FW SC   SC FW SC SC   B1 SC SC B1   B2 B1 B1 B2   B1 B1 B1 B1
PoP 12hr         20      10    20      20    50      50    60      40    50
Rain shwrs        S             S    S     S  C    C  C  C  L    C  C  C  C
Tstms             S             S    S     S  C    C  C  C  L    C  C  C  C

$$
SCZ048-170800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
236 PM EDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
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          91          77          93          78
Temp          87 81 79 78 78 79 86 90 89 82 80 79 77 79 88 92 91 84 81 79 78 80
Dewpt         76 76 77 76 76 76 77 76 76 76 77 76 76 77 77 77 77 76 76 76 75 76
RH            70 85 94 94 94 91 75 64 66 82 91 91 97 94 70 62 64 77 85 91 91 88
Wind dir       S  S  S  S  S  S  S  S  S  S  S  S SW SW SW  S  S  S SW SW SW  W
Wind spd      11  9  6  5  5  5  8 10 10  9  5  5  4  4  5  6  8  6  5  4  4  4
Wind gust        19                      19
Clouds        FW SC FW FW SC FW SC SC FW FW FW FW FW FW FW SC SC FW FW FW CL FW
PoP 12hr                      5          20           0          20           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S     S  S                    S  S
Tstms                               S  S                    S  S
Heat index    98                97102100               100106105 93
Max heat        100               102   102               106   106    90


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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          96      79    97      78    96      77    91      77    92
Temp          94 86   81 81 95 87   80 80 94 84   79 79 89 82   78 79 90 82
Dewpt         76 77   76 75 75 76   75 76 77 77   76 77 78 78   77 76 78 77
PWind dir        SW      SW     W      SW     W      SW    NE       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   FW FW FW SC   SC FW SC B1   B1 B1 B1 B2   B1 SC SC B1
PoP 12hr         20       5    20      20    50      40    60      30    50
Rain shwrs        S             S    S        C    C  S  C  L    C  S  S  C
Tstms             S             S    S        C    C  S  C  L    C  S  S  C

$$
SCZ043-170800-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
236 PM EDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
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          91          74          93          75
Temp          87 80 76 75 74 77 86 90 89 82 78 76 74 77 87 92 91 84 79 77 75 77
Dewpt         74 74 75 75 74 76 75 74 73 74 75 75 74 76 75 74 74 75 75 75 74 76
RH            65 82 97100100 97 70 60 59 77 91 97100 97 68 56 58 74 88 94 97 97
Wind dir       S  S  S  S  S  S  S  S  S  S  S  S SW SW SW SW  S  S  S SW SW  W
Wind spd      10  8  5  4  3  4  6  9 10  8  5  4  3  4  5  5  6  5  4  3  3  3
Clouds        FW FW FW SC FW FW SC SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW
PoP 12hr                      5          20           0          30           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S                    C  C
Tstms                               S  S                    C  C
Heat index    95                95 99 97                96102101 92
Max heat         98                99    99               102   101


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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          95      76    96      76    94      75    90      74    91
Temp          94 85   78 78 95 85   78 78 93 82   76 77 88 80   75 76 89 81
Dewpt         73 74   75 75 74 75   74 75 75 77   76 76 76 77   75 75 75 76
PWind dir         W      SW     W      SW     W      SE    NE       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   SC FW FW B1   SC FW SC B2   B1 B1 B1 B2   B1 SC SC B1
PoP 12hr         20      10    30      20    60      40    60      30    50
Rain shwrs        S             C    S        L    C     C  L    C     S  C
Tstms             S             C    S        L    C     C  L    C     S  C

$$
GAZ099-170800-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
236 PM EDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
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          94          74          96          75
Temp          91 85 79 76 75 76 86 92 92 87 80 76 74 76 88 94 94 86 80 77 75 78
Dewpt         72 73 73 73 74 74 74 73 72 74 74 74 74 75 75 73 73 74 74 74 73 75
RH            54 67 82 90 97 94 68 54 52 65 82 94100 97 66 51 51 68 82 90 94 91
Wind dir      SE SE SE  S  S  S  S  S  S  S  S  S  S SW SW SW  S SW SW SW SW  W
Wind spd       9  6  5  2  2  2  4  5  5  4  3  2  2  2  3  4  4  2  2  2  2  2
Wind gust        17
Clouds        SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW B1 B1 SC SC FW CL FW
PoP 12hr                      5          20           5          30           5
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S                    S  S                    C  C
Tstms          S                    S  S                    C  C
Heat index    99 92             94101100 95             98103103 94
Max heat        100               101   101    90         103   105    91


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
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          98      77    99      77    99      75    95      75    94
Temp          96 89   79 79 97 90   79 79 96 87   78 77 93 84   77 77 92 84
Dewpt         73 72   72 73 71 72   73 74 73 73   75 75 74 76   75 75 75 76
PWind dir         W       W     W       W     W       N    NE      NE     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   FW FW FW B1   SC SC FW B1   B1 SC SC B2   B1 B1 SC B2
PoP 12hr         20       5    30      20    50      40    60      40    60
Rain shwrs        S             C    S        C    C     S  L    C     S  L
Tstms             S             C    S        C    C     S  L    C     S  L

$$

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