Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
536 AM EDT Sun Oct 12 2025

SCZ050-122000-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
536 AM EDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      66          60          75          58          79
Temp             63 64 65 66 65 65 63 63 62 67 73 73 67 64 62 60 60 70 77 76 69
Dewpt            61 61 62 63 63 62 60 60 60 60 60 59 60 59 58 57 57 57 56 58 58
RH               93 90 90 90 93 90 90 90 93 78 64 62 78 84 87 90 90 63 48 54 68
Wind dir         NW NW NW NW NW NW NW NW NW  N NW  N  N NW NW NW  N  N  N  N  N
Wind spd         14 16 16 16 13 11 10 10 10 10 11 11  6  5  5  6  8  9 10 10  6
Wind gust        26 27 29 26 24
Clouds           OV OV OV OV OV OV B2 B2 B2 B1 B1 SC FW FW FW FW FW CL FW FW FW
PoP 12hr                     90          60          10           5           0
QPF 12hr                   0.53        0.12           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  D  D  D  L  C  C  S
High Surf


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          58    78      56    73      51    74      56    78
Temp          62 60 76 70   61 57 72 63   55 53 72 63   58 59 76 68
Dewpt         57 57 56 57   56 50 48 50   47 46 47 51   53 54 55 58
PWind dir         N     N       N    NE      NE     E       S     S
Wind char        LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    FW CL CL CL   CL CL CL CL   CL CL FW FW   SC SC SC FW
PoP 12hr          0     0       0     0       0     0       0     0

$$
GAZ118-122000-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
536 AM EDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      68          61          78          59          80
Temp             62 65 68 67 65 64 63 62 62 69 75 76 69 65 63 60 60 72 78 78 70
Dewpt            58 61 63 63 62 62 62 61 61 63 63 62 61 61 59 58 57 60 59 59 59
RH               87 87 84 87 90 93 97 97 97 81 66 62 76 87 87 93 90 66 52 52 68
Wind dir         NW NW NW NW NW NW NW NW NW  N NW  N  N  N NW NW NW  N  N  N  N
Wind spd         11 12 12 11 10  8  5  6  6  8  8  6  4  2  2  4  5  6  6  6  3
Wind gust              23 21
Clouds           B2 B2 OV B2 OV B2 B1 B1 B2 SC SC FW FW FW CL FW FW CL FW CL CL
PoP 12hr                     70          40           5           0           0
QPF 12hr                   0.29        0.08           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  L  L  L  C  C     S


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          59    80      57    77      54    77      59    81
Temp          63 60 78 71   62 58 76 65   58 55 75 66   61 60 79 71
Dewpt         57 57 59 60   58 53 55 55   53 50 52 55   57 56 60 62
PWind dir         N     N       N    NE      NE     E       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL CL CL   CL CL CL CL   CL CL FW SC   SC SC SC FW
PoP 12hr          0     0       0     0       0     0       0     0

$$
SCZ050-122000-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
536 AM EDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      66          61          74          60          77
Temp             63 64 65 66 66 65 63 63 62 67 72 73 68 66 64 62 62 70 75 75 70
Dewpt            63 64 65 66 65 65 63 62 62 63 64 64 64 62 61 60 59 61 61 62 62
RH              100100100100 97100100 97100 87 76 73 87 87 90 93 90 73 62 64 76
Wind dir         NW NW NW NW NW NW NW NW NW  N NW  N  N NW NW NW  N  N  N  N  N
Wind spd         16 16 16 16 13 11 10 10 10 10 10 11  6  5  5  5  6  8  9 10  5
Wind gust        26 26 26
Clouds           OV OV OV OV OV OV B2 B2 B2 B1 SC SC FW FW FW FW FW FW FW CL FW
PoP 12hr                     90          60          10           5           0
QPF 12hr                   0.48        0.11           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  D  D  D  L  C  C  S
High Surf


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          61    77      59    72      56    73      61    76
Temp          64 62 75 71   64 60 72 64   59 57 71 66   63 63 75 69
Dewpt         60 59 61 61   58 53 53 53   50 49 52 55   56 58 61 63
PWind dir         N     N       N    NE      NE     E       S     S
Wind char        LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    FW FW CL CL   CL CL CL CL   CL CL FW FW   SC SC SC FW
PoP 12hr          0     0       0     0       0     0       0     0

$$
SCZ048-122000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
536 AM EDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      63          61          76          59          79
Temp             62 63 63 63 62 62 62 61 62 68 74 74 68 65 63 61 60 71 77 77 69
Dewpt            60 63 63 63 62 62 62 61 61 62 63 62 62 61 60 58 57 59 59 59 61
RH               93100100100100100100100 97 81 69 66 81 87 90 90 90 66 54 54 76
Wind dir         NW NW NW NW NW NW NW NW NW  N NW  N NW  N NW NW  N  N  N  N  N
Wind spd         14 14 13 12 10  9  8  9  9 10  9  8  4  3  3  5  5  8  6  6  3
Wind gust           25 25 25 21 19
Clouds           B2 OV B2 OV OV OV B2 B2 B2 B1 SC FW FW FW FW FW FW CL FW CL CL
PoP 12hr                     80          50           5           0           0
QPF 12hr                   0.31        0.08           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  D  D  D  C  C  C  C


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          59    79      58    75      53    76      59    79
Temp          63 60 77 71   62 59 75 64   57 54 74 65   61 60 77 69
Dewpt         58 58 59 60   58 52 53 53   50 49 51 55   56 57 60 62
PWind dir         N     N       N    NE      NE     E       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL CL CL   CL CL CL CL   CL CL FW FW   SC B1 SC FW
PoP 12hr          0     0       0     0       0     0       0     0

$$
SCZ043-122000-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
536 AM EDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      63          58          74          55          77
Temp             60 62 63 63 63 62 61 60 60 67 72 73 64 60 58 57 57 70 76 76 65
Dewpt            60 61 62 62 62 62 60 59 60 60 60 59 61 59 58 56 56 57 56 56 59
RH              100 97 97 97 97100 97 96100 78 66 62 90 96100 96 96 63 50 50 81
Wind dir         NW NW NW NW NW NW NW NW NW  N  N  N NW NW NW NW  N  N  N  N  N
Wind spd         11 12 12 12  9  8  6  8  6  9  9  8  3  2  2  4  5  8  8  8  3
Wind gust        24 23 24 25 20 18
Clouds           OV OV B2 B2 OV OV B2 B2 B2 B1 SC FW FW FW FW FW FW CL FW CL CL
PoP 12hr                     90          60           5           0           0
QPF 12hr                   0.93        0.14           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  D  D  D  L  C  C


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          55    78      53    73      47    74      53    76
Temp          59 57 76 68   57 55 72 59   51 49 72 61   55 55 75 65
Dewpt         57 56 56 58   55 50 48 51   47 46 48 53   53 54 56 60
PWind dir         N     N       N    NE      NE    SE       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL CL CL   CL CL CL CL   CL FW FW FW   SC B1 SC FW
PoP 12hr          0     0       0     0       0     0       0     0

$$
GAZ099-122000-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
536 AM EDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      70          59          80          56          82
Temp             60 66 69 69 65 63 63 60 60 70 77 78 69 64 61 59 57 72 80 80 70
Dewpt            57 58 59 60 60 62 61 60 59 60 60 57 59 59 58 56 55 57 56 55 57
RH               90 75 70 73 84 97 93100 96 71 56 48 70 84 90 90 93 59 44 42 63
Wind dir         NW NW NW NW NW NW NW NW NW  N  N  N  N NW  W NW  N  N  N  N NE
Wind spd          9 10 10 10  6  5  5  5  5  6  6  6  3  2  2  2  3  6  6  6  3
Clouds           B2 B2 OV OV B2 B2 B2 B1 FW FW FW FW FW FW CL FW CL CL CL CL CL
PoP 12hr                     70          40           5           0           0
QPF 12hr                   0.16        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  L  L  L  C  S


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          57    83      56    79      53    79      58    84
Temp          61 58 80 72   61 57 78 66   57 54 77 68   60 59 81 71
Dewpt         56 55 57 58   56 50 50 51   51 49 48 51   54 54 57 58
PWind dir         N    NE      NE    NE       E    SE       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL CL CL   CL CL CL CL   CL CL FW SC   SC SC SC FW
PoP 12hr          0     0       0     0       0     0       0     5

$$

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