Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
731 AM EDT Mon Sep 1 2025

SCZ050-012000-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
731 AM EDT Mon Sep 1 2025

Date             Mon 09/01/25            Tue 09/02/25            Wed 09/03/25
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                      83          65          83          67          85
Temp             65 74 80 81 75 70 68 66 67 77 82 82 77 72 70 68 68 81 85 84 78
Dewpt            57 59 59 59 60 62 62 61 62 62 61 61 63 64 64 64 65 65 63 64 66
RH               75 59 49 47 60 76 81 84 84 60 49 49 62 76 81 87 90 58 48 51 67
Wind dir         NE NE NE NE NE NE  N  N NE NE NE NE  E NE NE  N NE NE  E  E  E
Wind spd         11 13 12 12  9  8  8  9 10 11 10 10  8  5  5  6  6  9  9 10  8
Clouds           CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC
PoP 12hr                      5           5          20           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S                    S  S
Tstms                                           S  S                    S  S


Date          Thu 09/04/25  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25
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          68    87      71    90      73    90      72    88
Temp          71 70 87 79   74 73 90 82   77 75 90 83   77 74 88 81
Dewpt         68 68 67 69   71 71 69 71   72 71 68 71   73 72 69 70
PWind dir         E     E      SW    SW      SW    SW      SW    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW SC   FW FW FW SC   FW SC FW FW   SC SC SC B1
PoP 12hr         10    20      10    20       5    20      10    30
Rain shwrs              S             S             S             C
Tstms                   S             S             S             C

$$
GAZ118-012000-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
731 AM EDT Mon Sep 1 2025

Date             Mon 09/01/25            Tue 09/02/25            Wed 09/03/25
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                      84          65          85          67          86
Temp             65 74 81 82 74 69 67 66 66 79 84 84 77 72 69 67 68 81 86 85 78
Dewpt            58 60 60 61 61 62 61 60 62 66 66 65 66 65 65 64 65 68 67 67 68
RH               78 62 49 49 64 78 81 81 87 64 55 53 69 79 87 90 90 65 53 55 71
Wind dir         NE NE NE NE NE NE  N  N  N NE NE NE  E NE NE  N  N NE  E  E  E
Wind spd         10 11 10 10  5  5  5  6  8  9  9  9  5  3  3  4  5  6  6  8  5
Clouds           FW CL FW FW SC FW FW FW FW FW SC FW FW FW FW FW FW FW SC SC SC
PoP 12hr                      5           5          10           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S
Tstms                                                                   S  S


Date          Thu 09/04/25  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25
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          69    89      70    91      72    93      72    91
Temp          71 70 89 79   73 71 91 82   76 73 92 83   76 73 91 81
Dewpt         69 69 70 71   72 71 71 71   72 71 71 72   73 72 72 73
PWind dir         E     E       S    SW       S    SW      SW    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW B1   FW FW FW SC   FW FW FW SC   SC SC SC B1
PoP 12hr          5    30       5    10       5    20       5    30
Rain shwrs              C                           S             C
Tstms                   C                           S             C

$$
SCZ050-012000-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
731 AM EDT Mon Sep 1 2025

Date             Mon 09/01/25            Tue 09/02/25            Wed 09/03/25
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                      82          68          82          69          84
Temp             66 74 80 81 76 73 71 69 68 77 82 82 77 74 72 70 71 81 84 83 78
Dewpt            60 63 64 65 65 65 65 65 65 67 66 66 67 67 67 66 67 69 68 68 69
RH               81 69 58 58 69 76 81 87 90 71 58 58 71 79 84 87 87 67 59 61 74
Wind dir          N NE NE NE NE NE NE  N  N NE NE NE NE NE NE NE NE NE  E  E  E
Wind spd         12 13 13 13 10  9  8 10 10 11 11 11  8  5  5  5  6  9 10 10  6
Clouds           FW FW FW CL FW SC FW FW FW FW SC SC FW FW FW FW FW SC SC SC FW
PoP 12hr                      5          10          20          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S                    S  S
Tstms                                           S  S                    S  S


Date          Thu 09/04/25  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25
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          71    86      73    89      75    90      75    88
Temp          73 72 86 79   75 74 89 82   77 76 90 83   78 75 88 81
Dewpt         70 71 71 73   73 73 74 74   74 73 74 75   75 74 74 74
PWind dir         E     E      SW    SW      SW    SW      SW    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC SC   FW FW FW FW   FW SC FW FW   SC SC SC B1
PoP 12hr         10    20      10    10       5    10      10    30
Rain shwrs              S                                         C
Tstms                   S                                         C

$$
SCZ048-012000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
731 AM EDT Mon Sep 1 2025

Date             Mon 09/01/25            Tue 09/02/25            Wed 09/03/25
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                      83          66          85          66          85
Temp             65 73 81 81 74 70 68 66 67 77 83 83 77 73 71 68 68 80 85 83 77
Dewpt            57 60 61 61 63 62 62 61 63 65 65 64 66 65 65 64 65 67 66 67 68
RH               75 64 51 51 69 76 81 84 87 67 55 53 69 76 81 87 90 65 53 59 74
Wind dir         NE NE NE NE NE NE  N  N NE NE NE NE NE NE NE  N  N NE  E  E  E
Wind spd         12 12 10  9  5  5  5  8  9 10  8  8  5  3  3  4  5  6  5  8  5
Clouds           CL FW CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC FW
PoP 12hr                      5           5          10           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S
Tstms                                                                   S  S


Date          Thu 09/04/25  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25
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          69    87      71    90      73    91      72    89
Temp          72 71 87 79   74 73 90 82   77 74 91 82   77 74 89 81
Dewpt         69 70 69 71   72 71 71 73   72 71 71 74   73 72 72 73
PWind dir         E     E       S    SW      SW    SW      SW    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW SC   FW FW FW FW   FW FW FW FW   FW SC SC B1
PoP 12hr          5    20       5    10       0    10      10    30
Rain shwrs              S                                         C
Tstms                   S                                         C

$$
SCZ043-012000-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
731 AM EDT Mon Sep 1 2025

Date             Mon 09/01/25            Tue 09/02/25            Wed 09/03/25
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                      80          62          82          62          84
Temp             62 73 79 79 71 66 64 62 64 77 82 82 75 68 65 64 65 80 84 84 77
Dewpt            57 57 57 56 59 59 59 60 62 62 60 59 63 63 62 61 63 64 62 63 67
RH               84 57 47 45 66 78 84 93 93 60 47 46 66 84 90 90 93 58 48 49 71
Wind dir         NE NE NE NE NE NE  N  N NE NE NE NE NE NE NE NE NE NE NE  E SE
Wind spd          9 10 10 10  5  4  5  5  6  9  9  6  3  2  2  3  4  5  5  5  4
Wind gust           20
Clouds           CL CL CL CL FW CL FW FW FW FW FW FW FW CL CL FW FW FW FW FW SC
PoP 12hr                      5           5           5           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S
Tstms                                                                   S  S


Date          Thu 09/04/25  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25
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          65    86      68    89      70    90      70    88
Temp          67 67 86 78   70 69 89 82   73 72 90 82   73 71 88 80
Dewpt         67 67 67 71   70 69 69 71   71 71 68 72   72 71 68 70
PWind dir         E    SE       S    SW      SW    SW      SW    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW SC   FW FW FW FW   FW FW FW FW   SC SC SC B1
PoP 12hr          5    20       5    10       0    10       5    30
Rain shwrs              S                                         C
Tstms                   S                                         C

$$
GAZ099-012000-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
731 AM EDT Mon Sep 1 2025

Date             Mon 09/01/25            Tue 09/02/25            Wed 09/03/25
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                      83          62          86          63          88
Temp             64 74 81 81 74 67 64 62 64 78 85 85 76 69 66 64 65 80 87 87 78
Dewpt            56 55 56 56 57 57 56 56 57 62 61 59 61 62 62 61 61 64 61 61 64
RH               75 51 42 42 55 70 75 81 78 58 45 41 60 78 87 90 87 58 42 42 62
Wind dir         NE NE NE NE NE NE NE NE NE NE NE NE NE  E NE NE NE NE NE  E  E
Wind spd          8 10 10  9  4  3  2  4  5  8  8  6  3  2  2  2  2  5  5  5  4
Clouds           FW CL FW FW FW FW CL FW CL FW FW FW FW FW CL CL FW FW FW SC FW
PoP 12hr                      5           5           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Thu 09/04/25  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25
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          65    91      68    93      70    95      70    93
Temp          68 67 90 81   72 70 92 83   74 72 94 83   74 72 92 82
Dewpt         66 67 65 67   69 68 66 66   69 67 66 67   69 68 67 67
PWind dir        SE     S       S     W       S     W       W     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW SC   FW FW FW FW   FW FW FW SC   SC SC SC SC
PoP 12hr          5    20       5     5       0    10       5    20
Rain shwrs              S                                         S
Tstms                   S                                         S

$$

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