Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
153 PM EDT Sun Jun 15 2025

SCZ050-160900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
153 PM EDT Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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                      75          91          76          92          77
Temp          88 83 79 78 76 78 87 90 89 83 79 78 76 78 88 91 91 84 80 78 77 80
Dewpt         75 75 75 75 74 75 76 76 77 76 76 76 75 76 77 75 76 76 76 76 75 76
RH            66 77 88 91 94 91 70 64 68 80 91 94 97 94 70 60 62 77 88 94 94 88
Wind dir      SW  S SW SW SW SW SW SW  S  S  S SW SW SW SW SW  S  S  S SW SW SW
Wind spd      12  9  8  3  1  4 10 11 12 10 10  9  9  9 10 12 13 12 10 10  9  9
Clouds        B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW SC FW
PoP 12hr                     20          50          30          30          10
QPF 12hr                   0.04        0.02           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  S  S        S  S  C  C  C  C  C  C  C  C  C  C              S
Tstms          C  S  S        S  S  C  C  C  C  S  S  S  S  C  C              S
Heat index    98 90             98102102 91            100102103 93
Max heat         99               102   103               103   105


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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          93      77    93      77    93      75    93      75    92
Temp          93 85   79 80 93 85   79 78 92 84   78 78 92 84   77 78 92 84
Dewpt         76 77   76 76 76 77   76 74 75 76   75 75 75 76   76 76 75 75
PWind dir        SW      SW    SW      SW    SW      SW     S       S     S
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    FW SC   FW FW SC SC   SC SC B1 B1   SC SC SC SC   FW FW FW SC
PoP 12hr         20       5    20      20    50      40    50      20    30
Rain shwrs     S  S             S    S     S  C    C  S  C  C    S     S  C
Tstms          S  S             S    S     S  C    C  S  S  C    S     S  C

$$
GAZ118-160900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
153 PM EDT Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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          92          75          93          75
Temp          89 84 78 76 75 76 87 91 90 85 79 78 75 77 87 93 92 86 80 78 76 78
Dewpt         74 75 75 74 73 74 75 74 75 76 75 75 74 74 75 73 74 75 75 74 73 74
RH            61 74 91 94 94 94 68 58 62 75 88 91 97 90 68 52 56 70 85 88 90 88
Wind dir      SW  S SW SW  N SW SW SW SW  S  S SW SW SW SW SW  S  S  S  S SW SW
Wind spd       6  6  4  2  0  2  5  8  9  6  5  5  4  5  6  9 10  9  6  5  4  4
Clouds        B1 B1 SC FW FW FW FW SC B1 SC SC SC FW FW FW SC SC SC SC SC FW SC
PoP 12hr                     40          60          20          40          10
QPF 12hr                   0.09        0.03        0.01        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  S              L  L  S  S              C  C
Tstms          C  C  S              L  L  S  S              C  C
Heat index    98 92             96101101 94             96102102 95
Max heat        101               102   103               102   102    90


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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          94      76    94      75    94      74    93      75    93
Temp          94 87   79 78 94 87   78 77 93 85   77 78 93 85   78 78 93 85
Dewpt         74 75   74 74 74 75   74 74 74 74   74 75 74 75   75 75 74 74
PWind dir        SW       S    SW      SW     W      SW     S       S    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC FW SC SC   SC SC B1 B1   B1 SC SC SC   SC FW FW SC
PoP 12hr         20      10    30      20    50      30    50      20    40
Rain shwrs        S             C    S        C    C     S  C    S     S  C
Tstms             S             C    S        C    C     S  C    S     S  C

$$
SCZ050-160900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
153 PM EDT Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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          90          77          91          78
Temp          85 82 81 80 80 79 87 89 87 82 79 79 77 79 88 90 89 83 80 79 78 80
Dewpt         75 76 76 76 75 75 76 77 77 77 76 77 76 76 77 77 77 76 77 76 76 77
RH            72 82 85 88 85 88 70 68 72 85 91 94 97 91 70 66 68 80 91 91 94 91
Wind dir       S  S SW SW SW SW SW SW  S SW SW SW SW SW SW SW  S  S SW SW SW SW
Wind spd      14 11 11  6  3  5 11 13 16 12 11 11 11 10 12 14 16 13 12 12 11 10
Clouds        B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW SC FW FW FW
PoP 12hr                     20          50          40          30          20
QPF 12hr                      0        0.01        0.01        0.02        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  S           C  C  C  C  C  C  C  C  C  C  C  C  S  S        S
Tstms          S  S           S  S  C  C  C  C  S  S  C  C  C  C  S  S        S
Heat index    94                98102 99 90            100103101 91
Max heat         95               102   102               103   103


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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          92      78    92      77    92      76    91      76    91
Temp          91 84   80 81 91 84   79 79 92 84   79 79 90 83   78 79 91 83
Dewpt         77 77   77 76 77 77   77 75 76 77   76 75 76 77   77 76 76 76
PWind dir        SW      SW    SW      SW    SW      SW     S       S     S
Wind char        GN      GN    GN      GN    GN      LT    GN      LT    GN
Avg clouds    SC SC   SC FW FW SC   SC SC B1 B1   SC SC SC SC   SC FW FW SC
PoP 12hr         20       5    20      30    40      40    40      20    30
Rain shwrs     S  S             S    C  S  S  C    C  C  C  C    S  S  S  C
Tstms          S  S             S    C  S  S  C    C  S  S  C    S  S  S  C

$$
SCZ048-160900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
153 PM EDT Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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                      75          91          76          92          77
Temp          86 82 79 78 76 78 86 90 89 84 80 79 77 78 86 91 90 83 80 79 77 79
Dewpt         75 76 75 75 74 74 75 76 76 77 76 75 75 76 76 75 75 76 76 75 74 75
RH            70 82 88 91 94 88 70 64 66 80 88 88 94 94 72 60 62 80 88 88 90 88
Wind dir       S  S SW SW SW SW SW SW  S  S  S SW SW SW SW SW  S  S  S  S SW SW
Wind spd      12  8  8  2  1  2  6  8 10  8  6  5  5  5  8 10 10  9  8  6  5  5
Clouds        B1 B1 SC SC FW FW FW SC SC SC FW FW FW FW FW FW SC SC FW SC FW FW
PoP 12hr                     30          50          30          30          20
QPF 12hr                   0.04        0.01           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C           S  S  C  C  C  C  S  S        C  C  S  S
Tstms          C  C           S  S  C  C  C  C  S  S        C  C  S  S
Heat index    95                95102100 94             96102101 91
Max heat         97               102   103               102   102


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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          93      77    93      76    93      75    92      76    92
Temp          92 85   80 79 92 86   80 78 92 85   78 78 92 84   78 79 91 84
Dewpt         75 77   76 74 75 76   75 74 75 76   75 75 75 76   76 76 75 75
PWind dir        SW      SW    SW      SW    SW      SW     S       S    SE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC FW SC SC   SC SC B1 B1   B1 SC FW SC   FW FW FW SC
PoP 12hr         20      10    20      20    50      40    50      20    30
Rain shwrs        S             S    S        C    C  S  C  C    S     S  C
Tstms             S             S    S        C    C     S  C    S     S  C

$$
SCZ043-160900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
153 PM EDT Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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                      72          91          73          92          73
Temp          87 81 76 74 73 75 85 90 89 84 77 75 74 76 86 90 92 84 78 76 74 76
Dewpt         74 74 74 73 72 73 76 75 75 76 74 74 73 75 76 74 74 75 74 74 73 74
RH            65 79 94 97 97 94 75 62 64 77 90 97 97 97 72 60 56 74 88 94 97 94
Wind dir      SW  S  S  N  N SW SW SW SW  S  S  S SW SW SW SW SW  S  S  S SW SW
Wind spd       6  4  3  0  0  2  8  8  9  5  5  4  4  5  8 10 10  6  5  5  4  5
Clouds        B1 B1 B1 SC SC FW SC SC B1 SC FW SC FW FW FW FW SC SC FW SC SC FW
PoP 12hr                     40          60          20          40          10
QPF 12hr                   0.05        0.01           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  S              L  L  S  S        S  S  C  C
Tstms          C  C  S              L  L  S  S        S  S  C  C
Heat index    95                94101 99 93             96 99102 92
Max heat         95               101   102                99   102


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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          93      73    93      74    93      72    93      72    93
Temp          91 85   76 76 92 87   77 76 91 85   74 75 93 84   74 76 92 84
Dewpt         74 75   74 73 74 75   73 74 74 74   73 73 74 75   74 75 74 74
PWind dir        SW       S    SW      SW     W      SW     S       S    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   FW SC SC SC   SC B1 B1 B1   SC SC FW SC   FW FW FW SC
PoP 12hr         20       5    20      20    50      30    50      10    40
Rain shwrs        S             S    S        C    C     C  C          S  C
Tstms             S             S    S        C    C     S  C          S  C

$$
GAZ099-160900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
153 PM EDT Sun Jun 15 2025

Date           06/15/25      Mon 06/16/25            Tue 06/17/25            Wed
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                      72          91          73          92          73
Temp          90 83 76 73 72 74 85 90 91 86 78 76 73 76 85 91 92 86 79 76 73 76
Dewpt         72 74 73 73 72 73 74 73 73 74 74 73 72 73 74 72 71 73 73 73 72 73
RH            56 74 90100100 97 70 58 56 68 88 90 97 90 70 54 51 65 82 90 97 90
Wind dir      SW  S  S  N  N SW SW SW SW  S  S SW SW SW SW SW SW SW  S  S SW SW
Wind spd       5  3  2  0  0  1  5  6  6  2  2  2  2  4  5  8  8  3  2  2  2  2
Clouds        B1 B1 SC SC SC SC SC SC SC FW SC SC FW SC FW FW SC SC SC SC FW SC
PoP 12hr                     40          60          20          40          10
QPF 12hr                   0.09        0.03        0.03        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  S              L  L  S  S              C  C
Tstms          C  C  S              L  L  S  S              C  C
Heat index    97 90             93 98100 94             93 99 99 93
Max heat         97                98   100                99    99    90


Date           06/18  Thu 06/19/25  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25
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          94      74    95      74    94      72    95      73    95
Temp          92 87   76 76 93 88   77 76 93 84   74 74 94 85   75 77 94 86
Dewpt         71 72   72 72 71 72   72 73 72 73   72 72 71 73   73 74 72 73
PWind dir        SW      SW    SW      SW     W      SW    NW       S     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC SC   SC B1 B1 B1   SC SC FW SC   SC FW FW SC
PoP 12hr         20       5    30      20    50      30    50      20    40
Rain shwrs        S             C    S        C    C     S  C    S        C
Tstms             S             C    S        C    C     S  C    S        C

$$

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