Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
497
FOUS52 KCHS 031001
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
601 AM EDT Wed Sep 3 2025
SCZ050-032000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
601 AM EDT Wed Sep 3 2025
Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25
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 85 67 87 70 90
Temp 66 78 83 83 76 72 70 68 69 82 87 85 78 74 72 71 73 85 90 87 81
Dewpt 61 62 59 60 62 64 64 64 65 65 62 64 65 68 68 69 70 69 68 69 70
RH 84 58 44 46 62 76 81 87 87 56 43 50 64 82 87 93 90 59 49 55 69
Wind dir N NE N NE SE SE N N NE S SE S S S S SW W S SE SE S
Wind spd 6 8 6 5 5 2 1 1 1 3 5 9 6 4 2 2 2 3 5 9 8
Clouds CL CL FW FW CL FW CL FW FW CL FW CL CL CL CL CL FW CL FW FW FW
PoP 12hr 5 5 0 0 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 94 91
Max heat 94 94
Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25
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 72 91 73 90 71 83 70 81
Temp 75 74 91 81 76 75 90 80 74 72 83 78 74 72 81 77
Dewpt 72 72 69 71 73 72 70 72 71 69 68 68 69 68 68 69
PWind dir S S SW E NE NE NE NE
Wind char LT LT LT LT LT GN GN GN
Avg clouds FW FW FW FW SC SC SC B1 SC B1 B1 B1 B1 B2 B2 B2
PoP 12hr 5 10 5 30 20 50 30 50
Rain shwrs C S S C C C C C C
Tstms C S S C C C C C C
$$
GAZ118-032000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
601 AM EDT Wed Sep 3 2025
Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 87 67 88 69 91
Temp 66 79 85 85 77 72 70 68 68 83 88 86 78 74 72 71 71 86 91 89 81
Dewpt 61 64 62 62 64 66 66 65 66 68 67 67 68 69 70 69 70 72 70 71 71
RH 84 60 46 46 64 81 87 90 93 61 50 53 71 84 93 93 97 63 50 56 72
Wind dir N NE NE E SE SE SE N N SE SE SE SE SE S S W S SE SE SE
Wind spd 4 5 5 5 4 2 1 1 1 2 4 8 5 3 2 2 2 2 4 6 5
Clouds CL CL FW FW FW FW FW CL CL CL FW FW FW CL CL CL CL CL FW FW FW
PoP 12hr 5 0 0 0 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 91 92 97 95
Max heat 91 91 98 97
Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 72 92 73 92 72 85 72 84
Temp 74 73 92 82 75 74 92 80 74 73 85 78 74 72 84 78
Dewpt 73 72 73 72 73 72 72 73 72 71 74 71 71 70 73 72
PWind dir S E SW E NE NE NE E
Wind char LT LT LT LT LT GN GN GN
Avg clouds FW FW FW SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B2
PoP 12hr 5 10 5 20 20 50 30 60
Rain shwrs S S S C C S C L
Tstms S S S C C S C L
$$
SCZ050-032000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
601 AM EDT Wed Sep 3 2025
Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25
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 70 85 73 88
Temp 68 78 82 82 77 74 73 71 71 83 85 85 79 76 75 73 75 85 88 87 81
Dewpt 64 67 65 66 66 66 66 66 67 68 67 68 69 70 71 71 72 73 73 73 74
RH 87 69 56 58 69 76 79 84 87 61 55 57 72 82 87 93 90 67 61 63 79
Wind dir N NE NE E E E NE N N SE SE SE S S S SW W S SE SE SE
Wind spd 6 8 8 6 4 2 2 2 2 3 5 8 5 4 3 2 2 3 5 8 5
Clouds CL CL FW CL FW FW FW FW FW CL FW CL CL CL FW FW FW FW FW FW FW
PoP 12hr 5 5 0 0 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 92 96 94
Max heat 96 96
Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25
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 74 89 74 88 73 83 72 81
Temp 76 75 89 81 77 76 88 80 75 73 83 78 74 73 81 77
Dewpt 74 75 75 75 75 74 75 75 73 72 73 73 72 71 74 73
PWind dir S S SW E NE NE NE NE
Wind char LT LT LT LT LT GN GN GN
Avg clouds FW FW FW FW FW SC SC SC B1 B1 B1 B1 B1 B2 B2 B2
PoP 12hr 5 10 5 20 30 50 40 50
Rain shwrs S C C C C C C C C
Tstms S C C C C C C C C
$$
SCZ048-032000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
601 AM EDT Wed Sep 3 2025
Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 85 68 87 70 90
Temp 66 77 83 83 76 72 70 68 70 82 87 85 78 74 73 72 73 84 89 87 80
Dewpt 62 64 62 63 65 66 65 65 67 67 66 67 68 69 70 70 71 72 71 72 73
RH 87 64 49 51 69 81 84 90 90 61 50 55 71 84 90 93 93 67 56 61 79
Wind dir N NE NE E SE SE SE N N SE SE SE SE S S S W S SE SE SE
Wind spd 5 5 4 5 4 2 1 1 1 2 5 6 4 2 2 2 2 2 4 6 5
Clouds CL CL CL FW FW FW FW CL FW CL CL CL CL CL CL CL CL CL FW FW FW
PoP 12hr 5 5 0 0 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 90 95 94
Max heat 95 95
Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 72 91 73 90 71 84 71 83
Temp 75 74 90 81 76 75 90 80 74 73 83 78 74 72 82 76
Dewpt 73 73 73 74 73 72 73 74 72 71 72 72 69 69 73 73
PWind dir S S SW E NE NE NE NE
Wind char LT LT LT LT LT GN GN GN
Avg clouds FW FW FW FW SC SC SC SC SC SC B1 B1 B1 B2 B1 B2
PoP 12hr 5 10 5 20 20 40 30 50
Rain shwrs S S S S C C C C C
Tstms S S S S C C C C C
$$
SCZ043-032000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
601 AM EDT Wed Sep 3 2025
Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25
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 63 87 66 89
Temp 63 77 83 83 74 68 65 63 65 82 87 86 78 71 69 68 69 84 89 89 80
Dewpt 59 61 58 58 63 64 63 63 65 66 64 63 67 68 68 67 68 69 67 67 70
RH 87 58 43 43 69 87 93100100 58 46 46 69 90 97 97 97 61 48 48 72
Wind dir N NE NE NE SE SE N N N S S S S S S S SW SW S S S
Wind spd 5 5 5 3 2 1 0 0 0 2 4 6 5 3 2 1 1 2 3 5 5
Clouds CL CL CL CL FW CL CL CL CL CL FW FW FW CL CL CL FW CL CL FW FW
PoP 12hr 5 5 0 0 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 92 92
Max heat 93 92
Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25
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 91 70 89 68 81 67 81
Temp 72 71 91 81 73 72 89 79 71 70 81 77 71 70 81 76
Dewpt 71 71 68 72 72 71 70 73 70 70 69 70 67 67 68 70
PWind dir S SW SW NE NE NE NE E
Wind char LT LT LT LT LT GN LT GN
Avg clouds FW FW FW FW SC SC SC B1 SC B1 B1 B1 B1 B1 B1 B1
PoP 12hr 5 10 5 30 20 40 20 50
Rain shwrs C S S C S S S C
Tstms C S S C S S S C
$$
GAZ099-032000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
601 AM EDT Wed Sep 3 2025
Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 87 64 91 67 94
Temp 64 79 85 85 77 71 67 65 66 83 90 90 82 75 71 68 69 86 94 92 84
Dewpt 57 60 57 57 60 61 63 63 64 65 63 62 64 65 67 67 68 69 66 65 67
RH 78 52 39 39 56 71 87 93 93 55 41 39 55 71 87 97 97 57 40 41 57
Wind dir NE NE NE NE E SE S S W S S S SE SE S S SW SW S SE SE
Wind spd 2 4 4 3 2 2 2 1 1 2 4 4 3 3 2 2 2 2 3 4 4
Clouds CL CL FW FW CL CL CL CL CL CL FW FW FW FW CL CL FW CL FW SC FW
PoP 12hr 5 5 0 0 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 91 90 90 97 94
Max heat 91 92 97 97
Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 70 96 71 95 71 87 70 87
Temp 73 72 95 85 75 73 94 81 73 71 87 76 71 71 87 77
Dewpt 70 70 66 67 70 69 67 69 70 69 69 69 69 67 68 69
PWind dir S S S NE E NE NE E
Wind char LT LT LT LT LT GN LT GN
Avg clouds FW FW FW SC SC FW SC SC SC SC B1 B1 B1 B1 B1 B2
PoP 12hr 5 10 5 20 10 40 20 40
Rain shwrs S C S S C
Tstms S C S S C
$$
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