Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 180931
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Point Forecast Matrices
National Weather Service Charleston SC
531 AM EDT Sat Oct 18 2025

SCZ050-182000-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
531 AM EDT Sat Oct 18 2025

Date             Sat 10/18/25            Sun 10/19/25            Mon 10/20/25
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                      78          59          80          54          72
Temp             56 70 76 77 68 62 61 61 62 73 78 77 71 69 64 58 55 63 70 70 61
Dewpt            52 56 55 56 57 57 57 58 59 62 62 62 64 64 58 51 47 45 43 43 47
RH               86 61 48 48 68 84 87 90 90 68 58 60 79 84 81 77 74 52 38 38 60
Wind dir          E SW  S  S  S  S  S  S  S  S  S  S  S SW  W NW  N  N  N  N NE
Wind spd          1  2  4  6  5  5  5  5  5 10 13 16 11 10 10 10  8  9  6  5  2
Wind gust                                      24
Clouds           SC FW FW FW CL CL FW FW SC SC B1 B1 B2 B1 SC FW FW CL CL CL CL
PoP 12hr                      0           0           5          20           0
QPF 12hr                      0           0           0        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S


Date          Tue 10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25
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          51    77      54    72      49    71      52    74
Temp          54 53 75 68   60 55 70 62   54 50 69 60   55 53 72 63
Dewpt         48 48 50 55   53 49 45 46   45 43 45 49   49 48 50 53
PWind dir         S    SW       W    NW       N    NE      NE    NE
Wind char        LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    CL FW FW FW   CL FW CL CL   FW FW FW FW   FW FW SC SC
PoP 12hr          0     0       0     0       0     0       0     0

$$
GAZ118-182000-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
531 AM EDT Sat Oct 18 2025

Date             Sat 10/18/25            Sun 10/19/25            Mon 10/20/25
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                      79          61          81          54          73
Temp             57 73 78 78 69 63 62 61 62 75 80 79 73 69 64 58 54 64 71 72 62
Dewpt            55 58 56 56 58 59 59 59 60 63 63 66 67 66 57 51 47 48 47 48 50
RH               93 59 47 47 68 87 90 93 93 66 56 64 81 90 78 77 77 56 42 42 65
Wind dir          S  S SE SE SE SE  S  S  S  S  S  S  S SW NW NW  N  N  N  N SE
Wind spd          1  2  4  6  4  3  3  3  4  9 11 10  8  6  6  5  5  5  4  4  3
Clouds           FW CL FW FW CL CL FW FW FW SC B1 B2 B2 B1 FW FW CL CL FW CL CL
PoP 12hr                      0           0          20          10           0
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S


Date          Tue 10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25
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          52    79      56    75      50    74      53    76
Temp          55 53 77 69   62 56 73 63   54 51 72 62   56 54 74 65
Dewpt         51 51 53 55   51 48 45 46   45 45 48 52   51 50 54 55
PWind dir         S     W       W    NW       N    NE      NE    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL FW FW FW   FW FW CL CL   FW FW CL FW   FW FW FW SC
PoP 12hr          0     0       0     0       0     0       0     0

$$
SCZ050-182000-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
531 AM EDT Sat Oct 18 2025

Date             Sat 10/18/25            Sun 10/19/25            Mon 10/20/25
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                      75          63          78          57          71
Temp             61 71 74 74 69 66 65 65 66 73 77 76 72 70 66 60 57 63 69 69 63
Dewpt            56 58 59 59 60 60 60 62 63 66 67 68 68 68 61 55 49 48 48 48 50
RH               84 63 59 59 73 81 84 90 90 79 71 76 87 93 84 84 75 58 47 47 62
Wind dir         NW  S  S  S  S  S  S  S  S  S SW  S  S SW  W NW  N  N  N  N NE
Wind spd          1  2  5  5  4  4  4  5  5 10 12 13 11 10  9  9  8  8  6  5  2
Clouds           SC FW CL CL CL CL FW SC B1 SC SC B1 B2 B1 SC FW FW CL CL CL CL
PoP 12hr                      0           0           5          10           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Tue 10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25
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          56    75      57    72      53    70      56    72
Temp          58 57 73 69   64 59 70 63   57 53 69 63   58 57 71 65
Dewpt         51 52 56 60   57 51 49 50   48 47 50 52   52 51 56 57
PWind dir        NW    SW       W     N       N    NE      NE    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW FW   FW FW CL CL   FW FW FW FW   FW FW SC SC
PoP 12hr          0     0       0     0       0     0       0     0

$$
SCZ048-182000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
531 AM EDT Sat Oct 18 2025

Date             Sat 10/18/25            Sun 10/19/25            Mon 10/20/25
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                      77          62          79          55          72
Temp             58 72 76 76 68 63 62 63 64 74 77 76 71 68 64 58 55 63 70 71 61
Dewpt            55 59 58 58 59 59 59 59 61 65 64 66 67 66 57 51 48 48 46 47 50
RH               90 64 54 54 73 87 90 87 90 74 64 71 87 93 78 77 77 58 42 42 67
Wind dir          W  S  S  S  S  S  S  S  S  S  S  S  S SW NW NW  N  N  N  N SE
Wind spd          1  2  3  5  3  3  3  3  4 10 13 11  9  8  8  8  5  6  4  4  2
Wind gust                                         23 19
Clouds           SC FW FW FW CL CL FW FW SC SC SC B2 B2 B1 FW FW CL CL CL CL CL
PoP 12hr                      0           0          10          10           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Tue 10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25
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          53    78      56    73      51    73      53    74
Temp          56 54 76 68   62 57 71 62   54 52 71 61   55 54 72 64
Dewpt         50 51 53 58   52 49 46 47   46 45 48 52   51 50 54 56
PWind dir         S    SW       W    NW       N    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL FW FW FW   FW FW CL CL   FW FW CL FW   FW FW FW SC
PoP 12hr          0     0       0     0       0     0       0     0

$$
SCZ043-182000-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
531 AM EDT Sat Oct 18 2025

Date             Sat 10/18/25            Sun 10/19/25            Mon 10/20/25
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                      78          55          78          50          71
Temp             52 70 76 77 66 58 56 56 58 72 77 76 68 64 59 53 51 62 69 70 57
Dewpt            52 57 56 56 58 57 56 56 58 62 62 63 66 63 54 49 47 44 43 43 48
RH              100 63 50 48 75 96100100100 71 60 64 93 97 83 86 86 52 39 38 72
Wind dir          N SW  S  S  S  S  S  S  S  S  S  S  S SW NW NW  N  N  N  N  E
Wind spd          0  2  4  5  5  4  3  3  4 10 11 11  8  6  5  5  5  6  5  3  1
Wind gust                                      21 21 18
Clouds           SC FW CL FW CL FW CL FW SC SC B1 B2 B2 B1 FW FW CL CL CL CL CL
PoP 12hr                      0           0          20          10           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S


Date          Tue 10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25
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          46    76      50    71      44    70      46    72
Temp          48 48 74 66   56 52 70 57   49 45 69 57   50 48 71 60
Dewpt         47 48 49 53   49 47 43 46   43 42 44 49   47 47 50 53
PWind dir         S    SW       W    NW       N    NE       E    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL FW FW CL   FW FW CL CL   FW FW FW FW   FW FW SC SC
PoP 12hr          0     0       0     0       0     0       0     0

$$
GAZ099-182000-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
531 AM EDT Sat Oct 18 2025

Date             Sat 10/18/25            Sun 10/19/25            Mon 10/20/25
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          58          80          50          75
Temp             55 72 80 81 72 63 60 59 60 73 78 76 70 66 60 54 50 63 72 73 62
Dewpt            54 56 53 53 56 56 57 57 58 61 63 65 66 61 52 47 43 45 42 42 45
RH               96 57 39 38 57 78 90 93 93 66 60 69 87 84 75 77 77 52 34 33 54
Wind dir          S  S  S  S SE SE  S  S  S  S SW SW SW  W NW NW  N  N  N  N  E
Wind spd          2  3  4  5  5  4  3  4  5 10 10 10  5  5  5  5  4  5  4  3  2
Wind gust                                               16 16
Clouds           SC FW FW FW CL CL CL FW B1 B1 B2 B2 SC SC FW FW CL CL CL CL CL
PoP 12hr                      0           0          40           5           0
QPF 12hr                      0           0        0.07           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C
Tstms                                           S  S


Date          Tue 10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25
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          49    82      52    76      46    76      49    78
Temp          52 50 79 70   60 53 74 62   52 47 73 62   53 50 76 66
Dewpt         46 47 45 47   48 45 37 39   39 39 40 45   48 46 49 50
PWind dir         S    SW       W    NW       N     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL FW FW CL   FW FW CL CL   FW FW CL FW   FW FW FW SC
PoP 12hr          0     0       0     0       0     0       0     0

$$

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