Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
629
FOUS52 KCHS 121106
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
706 AM EDT Sat Sep 12 2026
SCZ150-122000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
706 AM EDT Sat Sep 12 2026
Date Sat 09/12/26 Sun 09/13/26 Mon 09/14/26
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 89 74 91 74 92
Temp 76 83 87 85 80 78 77 76 76 84 89 87 81 79 77 75 76 86 92 90 82
Dewpt 75 76 75 76 75 76 75 75 75 75 75 76 76 76 75 74 73 73 71 72 73
RH 97 80 68 75 85 94 94 97 97 74 64 70 85 91 94 97 90 65 51 56 74
Wind dir W SW S S S S SW SW W W SW SW S SW SW W W NW N SE SE
Wind spd 3 4 8 10 8 6 5 5 4 5 6 6 6 5 4 4 4 5 3 5 5
Clouds SC SC B1 SC B1 SC SC B1 FW B1 B1 SC B1 SC FW FW FW FW FW FW FW
PoP 12hr 50 10 20 5 10
QPF 12hr 0.07 0 0.05 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C S S
Tstms S C C S S
Heat index 91 96 94 92 99 98 93 99 97
Max heat 96 98 99 100 99 99
Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
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 74 87 69 86 68 87 70 89
Temp 77 75 85 79 72 70 84 78 71 70 85 78 73 72 86 81
Dewpt 74 72 70 68 67 65 66 67 67 67 69 69 71 71 72 72
PWind dir E E NE NE NE NE NE E
Wind char LT GN LT GN LT LT LT LT
Avg clouds FW SC SC SC SC FW FW FW FW FW CL FW FW FW FW SC
PoP 12hr 5 10 0 0 0 10 5 20
Rain shwrs S
Tstms S
$$
GAZ218-122000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
706 AM EDT Sat Sep 12 2026
Date Sat 09/12/26 Sun 09/13/26 Mon 09/14/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 91 75 92 75 94
Temp 75 84 89 86 80 78 77 75 75 84 90 88 82 79 77 76 76 87 94 91 83
Dewpt 75 77 76 76 76 75 75 74 75 77 76 76 76 75 74 73 73 74 73 73 73
RH 100 80 66 72 88 91 94 97100 80 64 68 82 88 90 90 90 65 51 56 72
Wind dir W W SW S S SW SW SW SW W W SW S SW SW W W NW N E S
Wind spd 1 3 5 8 5 3 3 3 3 4 4 4 3 3 2 2 2 3 2 4 4
Clouds SC SC SC SC B1 SC SC SC SC SC B1 B1 B1 SC SC FW FW FW FW FW FW
PoP 12hr 60 20 20 5 5
QPF 12hr 0.08 0 0.05 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S S
Tstms C C S S
Heat index 94100 96 94102 99 95103100
Max heat 100 100 102 103 103 103
Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 75 88 71 86 70 86 71 88
Temp 77 76 86 80 74 72 84 78 72 71 84 79 73 72 86 80
Dewpt 74 75 75 71 69 67 69 68 68 68 71 70 71 71 74 73
PWind dir E E NE NE NE NE NE E
Wind char LT GN LT GN LT GN LT LT
Avg clouds FW FW SC SC SC FW FW FW FW CL FW FW FW FW FW SC
PoP 12hr 0 30 0 5 0 20 5 30
Rain shwrs C C S S C
Tstms S C S S C
$$
SCZ150-122000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
706 AM EDT Sat Sep 12 2026
Date Sat 09/12/26 Sun 09/13/26 Mon 09/14/26
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 88 76 90 76 90
Temp 77 83 86 85 81 80 79 77 77 84 88 87 81 80 78 77 77 86 90 87 82
Dewpt 76 79 80 79 78 77 77 76 76 78 79 79 78 78 77 76 75 76 76 76 76
RH 97 88 82 82 91 91 94 97 97 82 75 77 91 94 97 97 94 72 64 70 82
Wind dir W SW S S S SW SW SW W W SW SW SW SW SW W W NW SE S S
Wind spd 2 3 8 10 8 5 4 4 3 4 6 8 5 4 3 3 3 3 4 5 3
Clouds SC SC SC SC B1 SC SC SC FW SC SC SC B1 SC SC FW FW FW FW FW FW
PoP 12hr 40 20 30 5 10
QPF 12hr 0.12 0 0.03 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C S C
Tstms S S C C S C
Heat index 94100 98 95102101 96102 98
Max heat 100 101 103 105 102 102
Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
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 85 71 84 71 85 72 87
Temp 78 77 84 79 75 72 83 79 74 72 84 80 76 73 85 81
Dewpt 75 74 75 71 69 67 71 70 70 69 73 73 73 73 76 75
PWind dir E NE NE NE NE NE NE E
Wind char LT BZ GN GN LT GN LT LT
Avg clouds FW SC SC SC FW FW FW FW FW FW CL SC FW FW FW SC
PoP 12hr 5 10 0 0 0 10 10 20
Rain shwrs S
Tstms S
$$
SCZ148-122000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
706 AM EDT Sat Sep 12 2026
Date Sat 09/12/26 Sun 09/13/26 Mon 09/14/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 89 75 90 75 92
Temp 77 83 87 86 80 78 77 76 76 84 89 87 81 79 76 75 76 86 92 90 82
Dewpt 75 77 78 77 77 76 76 75 75 77 77 77 77 76 75 74 74 75 74 74 75
RH 94 82 75 75 91 94 97 97 97 80 68 72 88 91 97 97 94 70 56 60 79
Wind dir W SW S S S SW SW SW W W SW SW S SW SW W W NW NW SE S
Wind spd 1 3 5 8 5 3 3 3 3 4 4 4 3 2 2 2 2 3 2 4 3
Wind gust 16
Clouds SC SC B1 SC SC B1 B1 SC FW B1 SC B1 B1 SC FW FW FW FW FW FW FW
PoP 12hr 50 20 20 5 5
QPF 12hr 0 0 0.01 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S S S
Tstms C C S S S
Heat index 92100 97 94102 99 95102 99
Max heat 100 99 102 102 102 102
Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 76 86 71 84 70 85 72 87
Temp 78 77 84 80 73 71 82 78 72 71 83 79 73 74 85 80
Dewpt 75 74 75 71 68 67 70 69 68 68 73 72 72 72 75 74
PWind dir E E NE NE NE NE NE E
Wind char LT GN LT GN LT GN LT LT
Avg clouds FW FW SC SC FW FW FW FW FW CL CL FW FW FW FW SC
PoP 12hr 5 20 0 5 0 10 5 30
Rain shwrs S S C
Tstms S S C
$$
SCZ043-122000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
706 AM EDT Sat Sep 12 2026
Date Sat 09/12/26 Sun 09/13/26 Mon 09/14/26
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 72 92
Temp 73 83 88 86 78 75 74 73 73 83 89 88 80 76 74 73 73 86 91 91 81
Dewpt 73 74 74 74 74 74 73 73 73 74 74 73 73 73 73 72 71 71 70 69 70
RH 100 74 63 68 88 97 97100100 74 61 61 79 90 97 97 93 61 50 49 69
Wind dir N SW SW S S SW SW SW SW W W SW S N N N N NW N NE E
Wind spd 0 3 6 8 5 3 2 1 2 5 6 5 3 0 0 0 0 3 4 5 3
Clouds SC SC SC B1 B1 SC SC FW SC SC SC B1 B1 SC FW FW FW FW FW FW FW
PoP 12hr 60 20 10 5 5
QPF 12hr 0.14 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S
Tstms C C S
Heat index 90 97 94 90 98 96 91 97 96
Max heat 97 97 98 98 97 98
Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
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 72 87 67 86 66 87 68 89
Temp 74 73 86 79 69 68 84 77 68 68 85 78 69 70 87 79
Dewpt 71 71 70 66 65 64 65 64 65 65 67 67 68 69 71 71
PWind dir E NE NE NE NE NE E E
Wind char LT GN LT GN LT LT LT LT
Avg clouds FW SC SC SC SC FW FW FW FW CL CL FW FW FW SC SC
PoP 12hr 0 20 0 0 0 5 0 20
Rain shwrs S S
Tstms S S
$$
GAZ099-122000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
706 AM EDT Sat Sep 12 2026
Date Sat 09/12/26 Sun 09/13/26 Mon 09/14/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 91 72 92 72 92
Temp 74 82 89 87 78 76 75 74 74 82 90 89 80 77 74 73 73 85 91 91 82
Dewpt 74 76 75 75 76 75 74 73 74 76 75 74 75 74 73 72 72 73 72 70 72
RH 100 82 64 68 94 97 97 97100 82 62 61 85 90 97 97 97 67 54 50 72
Wind dir S SW SW S S S SW SW SW W W W SW S SW W W NW N NE E
Wind spd 1 4 6 5 3 2 2 2 2 4 4 4 1 1 1 2 2 3 4 3 2
Clouds B1 SC B1 B1 B1 SC FW SC B1 SC SC B1 B1 SC FW FW FW FW FW FW FW
PoP 12hr 50 30 10 5 5
QPF 12hr 0.09 0.04 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C
Tstms C C C
Obvis PF
Heat index 99 96 101 98 92 99 97
Max heat 99 101 101 101 99 99
Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 73 90 68 88 66 89 68 91
Temp 75 75 88 80 72 69 86 78 69 68 87 79 71 69 88 80
Dewpt 72 73 74 72 69 67 66 66 67 66 69 70 70 69 72 72
PWind dir E E E NE E NE E NE
Wind char LT GN LT GN LT LT LT LT
Avg clouds FW FW SC SC SC CL FW FW FW CL FW FW FW FW SC SC
PoP 12hr 0 30 0 5 0 5 0 20
Rain shwrs C S
Tstms C S
$$
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