Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
125 AM EDT Thu Jul 10 2025

SCZ050-102000-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
125 AM EDT Thu Jul 10 2025

Date             Thu 07/10/25            Fri 07/11/25            Sat 07/12/25
EDT 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                      92          75          93          76          94
Temp          76 77 86 90 89 82 78 77 76 77 87 90 89 82 79 78 76 78 88 91 90 83
Dewpt         73 73 73 73 74 76 74 74 73 74 73 73 74 75 75 75 75 75 74 73 74 75
RH            90 87 65 58 61 82 88 90 90 90 63 58 61 79 88 91 97 91 63 56 60 77
Wind dir      SW SW SW SW  S SW SW SW SW SW SW SW SW SW SW SW SW  W  W SW SW SW
Wind spd       5  5  8 10 12 10  8  6  6  6  9 10 11 10  8  6  5  5  6  8 10  8
Clouds        SC SC B1 B1 SC B1 B2 B1 SC SC SC B1 SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     70          70          50          30          50
QPF 12hr                   0.25        0.03        0.08        0.13        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  S     C  C  L  C  S     S  S  C  C  C  C              C  C  C
Tstms          S  S     C  C  L  C  S     S  S  C  C  C  C              C  C  C
Heat index          93 98 98                94 98 98                97100 99 90
Max heat               98   100                98    99               100   100


Date          Sun 07/13/25  Mon 07/14/25  Tue 07/15/25  Wed 07/16/25
EDT 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          76    95      77    95      77    92      76    91
Temp          78 78 92 84   79 79 92 83   79 79 89 82   78 78 88 81
Dewpt         75 75 72 75   75 75 74 76   76 76 74 75   75 75 73 74
PWind dir        SW     W      SW    SW      SW     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC SC B1   SC SC SC B1   SC SC B1 B1   B1 B1 B1 B1
PoP 12hr         30    50      20    50      30    70      40    70
Rain shwrs     C        C    S     S  C    C  S  C  L    C  C  C  L
Tstms          C        C    S     S  C    C  S  C  L    C  S  C  L

$$
GAZ118-102000-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
125 AM EDT Thu Jul 10 2025

Date             Thu 07/10/25            Fri 07/11/25            Sat 07/12/25
EDT 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                      94          75          94          75          94
Temp          75 76 86 92 91 83 80 77 75 77 86 92 91 85 81 77 75 77 88 93 92 87
Dewpt         73 72 75 72 70 73 74 73 73 73 74 73 74 74 75 74 73 74 75 73 73 75
RH            94 87 70 52 50 72 82 87 94 87 68 54 58 70 82 90 94 90 66 52 54 68
Wind dir      SW SW SW SW  S SW SW SW SW SW  W SW SW SW  S SW  W  W  W  W SW  S
Wind spd       3  3  5  6  8  5  5  3  3  4  5  6  8  5  4  3  3  4  5  5  6  5
Clouds        SC SC B1 B1 B1 B2 B2 B1 FW FW SC SC B1 B1 SC SC FW FW FW B1 SC SC
PoP 12hr                     70          70          60          30          50
QPF 12hr                   0.24        0.14        0.06        0.03        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S        C  C  L  S              L  L  C  C              C  C  S
Tstms          S        C  C  L  S              L  L  C                 C  C  S
Heat index          95100 97                94101101 93             98102101 96
Max heat              100    99               101   102    92         102   102


Date          Sun 07/13/25  Mon 07/14/25  Tue 07/15/25  Wed 07/16/25
EDT 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          76    96      76    96      76    93      76    90
Temp          78 78 94 88   78 78 94 86   79 77 91 84   78 78 88 84
Dewpt         74 74 73 75   74 73 75 76   76 75 76 76   75 75 75 75
PWind dir        SW     W      SW     W       S     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW SC   SC FW FW SC   B1 SC B1 B1   B1 B1 B1 B1
PoP 12hr         20    40      20    50      20    70      30    80
Rain shwrs     S        C    S        C    S     S  L    C  S  C  D
Tstms          S        C    S        C    S     S  L    C     C  L

$$
SCZ050-102000-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
125 AM EDT Thu Jul 10 2025

Date             Thu 07/10/25            Fri 07/11/25            Sat 07/12/25
EDT 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          76          92          77          93
Temp          77 79 86 89 89 83 80 79 78 78 88 90 89 83 81 79 78 79 88 91 89 84
Dewpt         75 74 73 75 78 77 75 75 74 74 75 76 76 76 76 76 75 76 75 76 77 77
RH            94 85 65 64 70 82 85 88 88 88 66 64 66 80 85 91 91 91 66 62 68 80
Wind dir      SW SW SW  S  S SW SW SW SW  W SW SW SW  S SW SW SW  W SW SW SW SW
Wind spd       5  5  8 11 13 10  8  8  6  5  9 11 12 10  8  6  5  5  6 10 10  8
Clouds        SC SC B1 B1 SC B2 B1 B1 SC SC SC B1 SC SC B1 SC SC SC SC B1 SC B1
PoP 12hr                     70          70          50          40          40
QPF 12hr                   0.02        0.02        0.04        0.03        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  S  S  C  C  L  C  C  S  S  S  C  C  C  C  S  S  S  S  C  C  C
Tstms          S  S  S  C  C  L  C  C  S  S  S  C  C  C  C  S  S  S  S  C  C  C
Heat index          93 99103 92             97102100 91             98103101 94
Max heat               99   105               102   102               103   103


Date          Sun 07/13/25  Mon 07/14/25  Tue 07/15/25  Wed 07/16/25
EDT 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          78    94      78    93      78    90      77    89
Temp          80 80 92 84   80 80 91 84   80 80 88 83   79 80 87 82
Dewpt         76 76 76 77   76 76 77 77   77 77 77 76   76 77 76 76
PWind dir        SW    SW      SW     S      SW     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC SC B1   SC SC B1 B1   SC SC B1 B1   B1 B1 B1 B1
PoP 12hr         40    40      20    40      30    60      40    70
Rain shwrs     C  S  S  C    S     S  C    C  C  C  L    C  C  L  L
Tstms          C  S  S  C    S     S  C    C  C  C  L    C  S  C  L

$$
SCZ048-102000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
125 AM EDT Thu Jul 10 2025

Date             Thu 07/10/25            Fri 07/11/25            Sat 07/12/25
EDT 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          75          92          76          94
Temp          75 77 84 90 89 81 79 78 76 77 87 91 90 83 80 78 76 78 88 92 92 85
Dewpt         73 73 74 74 76 74 75 74 73 74 75 74 75 76 75 75 74 75 75 74 74 76
RH            94 87 72 60 66 79 88 88 90 90 68 58 62 80 85 91 94 91 66 56 56 75
Wind dir      SW SW SW  S  S SW SW SW SW SW SW SW  S  S  S SW SW  W  W SW SW  S
Wind spd       3  4  5  8  9  6  5  5  4  5  5  8  9  6  5  4  3  4  5  5  6  5
Clouds        SC SC B1 B1 SC B2 B2 B1 SC FW SC B1 B1 B1 SC SC SC FW FW SC B1 SC
PoP 12hr                     70          70          50          30          40
QPF 12hr                   0.65        0.37        0.05        0.02        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  S     S  C  L  S              C  C  C  C              C  C  S
Tstms          S  S     S  C  L  S              C  C  C  S              C  C  S
Heat index          91 99100                96101101 91             98102102 94
Max heat               99   103               101   102               102   103


Date          Sun 07/13/25  Mon 07/14/25  Tue 07/15/25  Wed 07/16/25
EDT 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          77    95      77    95      77    91      76    89
Temp          79 79 93 86   79 79 93 84   79 79 90 83   78 78 87 82
Dewpt         75 75 73 76   75 75 76 76   76 76 76 76   76 75 75 75
PWind dir        SW     W      SW    SW      SW     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW SC   SC FW FW SC   B1 SC B1 B1   B1 SC B1 B1
PoP 12hr         20    40      10    40      20    60      30    70
Rain shwrs     S        C             C    S     S  L    C  S  C  L
Tstms          S        C             C    S     S  L    C     C  L

$$
SCZ043-102000-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
125 AM EDT Thu Jul 10 2025

Date             Thu 07/10/25            Fri 07/11/25            Sat 07/12/25
EDT 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                      90          72          91          73          92
Temp          73 75 83 88 87 79 76 74 73 74 86 90 89 81 78 75 73 75 86 90 90 82
Dewpt         73 72 73 73 72 73 74 74 73 74 73 73 72 74 75 74 73 74 73 72 72 74
RH           100 90 72 61 61 82 94100100100 65 58 57 79 91 97100 97 65 56 56 77
Wind dir      SW  S SW SW  S  S SW  S SW SW  W SW SW  S  S SW SW  W  W SW SW  S
Wind spd       2  3  5  8  8  5  3  3  3  4  6  8  6  5  3  2  2  3  5  5  5  3
Clouds        B1 SC B1 B1 B1 B2 B2 B1 SC SC SC SC SC SC SC SC FW FW SC SC SC SC
PoP 12hr                     70          50          50          30          50
QPF 12hr                   0.45        0.03        0.06        0.05        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S        C  C  C  S              C  C  C  C              C  C  S
Tstms          S        C  C  C  S              C  C  C  S              C  C  S
Heat index             96 94                93 98 96                93 97 97
Max heat               96    96                98    97                97    99


Date          Sun 07/13/25  Mon 07/14/25  Tue 07/15/25  Wed 07/16/25
EDT 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    92      74    92      74    90      74    88
Temp          75 76 91 83   76 76 92 82   76 76 88 80   76 76 86 80
Dewpt         75 75 72 75   75 75 74 75   76 76 74 75   75 75 74 74
PWind dir        SW     W      SW     W       S     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW SC   SC FW FW B1   B1 SC B1 B1   B1 B1 B1 B1
PoP 12hr         20    40      10    50      20    70      30    70
Rain shwrs     S        C             C    S     C  L    C  S  C  L
Tstms          S        C             C    S     C  L    C     C  L

$$
GAZ099-102000-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
125 AM EDT Thu Jul 10 2025

Date             Thu 07/10/25            Fri 07/11/25            Sat 07/12/25
EDT 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                      94          72          94          72          94
Temp          73 74 84 91 88 82 77 75 73 74 85 91 92 83 78 75 73 75 85 92 92 85
Dewpt         72 72 75 73 72 73 74 73 72 73 74 73 73 74 74 73 73 74 73 73 72 74
RH            97 93 74 56 59 74 90 94 97 97 70 56 54 74 88 94100 97 67 54 52 70
Wind dir      SW SW SW SW SW SW SW SW SW  W  W SW SW SW SW SW SW  W  W  W  W  W
Wind spd       2  2  4  5  5  2  2  2  2  2  4  5  5  2  2  2  2  2  4  5  5  2
Clouds        SC B1 SC B1 B1 B2 B2 B1 SC SC SC SC SC B1 SC SC FW FW SC SC SC SC
PoP 12hr                     70          50          50          30          40
QPF 12hr                   0.28        0.31        0.16        0.04        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  L  C  S              C  C  C  C              C  C  S
Tstms                   C  L  C  S              C  C  C  S              C  C  S
Heat index          92100 95                93100101 90             92101100 93
Max heat              100   100               100   102               101   101


Date          Sun 07/13/25  Mon 07/14/25  Tue 07/15/25  Wed 07/16/25
EDT 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    96      74    97      74    94      73    91
Temp          76 76 94 88   76 76 95 87   76 76 92 83   75 75 89 82
Dewpt         73 73 72 73   73 73 73 73   73 74 74 74   74 74 74 74
PWind dir        SW     W      SW    NW       S     S      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW SC   SC FW FW SC   SC SC SC B1   B1 B1 B1 B1
PoP 12hr         20    40      20    50      30    60      30    70
Rain shwrs     S        C    S        C    C        L    C     C  L
Tstms          S        C    S        C    C        L    C     C  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