Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
236
FOUS52 KCHS 051421
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
1021 AM EDT Fri Sep 5 2025
SCZ050-052000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
1021 AM EDT Fri Sep 5 2025
Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25
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 90 70 91 72 89
Temp 85 90 88 81 75 73 71 72 84 89 88 81 77 75 74 74 83 87 85 78
Dewpt 68 66 67 68 71 71 70 71 70 68 69 71 72 72 72 72 71 70 70 71
RH 57 45 50 65 87 93 97 97 63 50 54 72 85 90 93 93 67 57 61 79
Wind dir N E SE SE SE W N N NE SE SE S S SW W NW N NE E E
Wind spd 2 5 10 6 2 1 1 2 3 4 6 6 4 2 2 3 4 4 5 5
Clouds CL FW FW FW FW FW FW SC FW FW FW SC SC SC B1 SC SC B1 B1 B1
PoP 12hr 0 0 5 5 40
QPF 12hr 0 0 0 0 0.17
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C
Tstms C C C
Heat index 93 91 93 92 92 90
Max heat 93 93 93 93 92 92
Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25
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 69 82 67 81 68 82 68 84
Temp 72 69 80 75 70 68 79 75 71 68 80 76 71 69 82 76
Dewpt 69 65 63 64 62 60 63 65 65 64 66 67 67 65 63 64
PWind dir NE NE NE NE NE NE NE NE
Wind char LT GN GN GN GN GN LT GN
Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1
PoP 12hr 30 30 20 30 20 40 20 20
Rain shwrs C C S S S C S S C C S S S S
Tstms C C S S S C S S C S
$$
GAZ118-052000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
1021 AM EDT Fri Sep 5 2025
Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 92 70 92 72 91
Temp 86 91 89 80 75 73 71 71 84 90 90 81 76 74 73 73 84 90 89 79
Dewpt 70 69 69 70 71 71 70 71 72 71 70 71 73 72 72 72 73 72 72 73
RH 59 49 52 72 87 93 97100 67 54 52 72 90 93 97 97 70 56 57 82
Wind dir N E SE SE SE SW N N NE E SE SE S SW W NW N NE E E
Wind spd 2 5 8 5 2 1 1 2 2 3 5 5 2 2 2 2 3 3 5 3
Clouds CL FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1
PoP 12hr 0 0 5 0 30
QPF 12hr 0 0 0 0 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C
Tstms C C C
Heat index 91 96 94 90 96 96 90 97 96
Max heat 97 98 96 98 97 99
Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 70 84 68 82 69 84 69 85
Temp 73 70 82 75 71 68 80 75 71 69 82 76 71 69 83 76
Dewpt 71 68 68 66 65 62 67 67 66 64 70 69 68 66 67 67
PWind dir NE NE NE NE NE NE NE NE
Wind char LT GN GN GN GN GN LT GN
Avg clouds B1 SC B1 B1 B1 B1 B1 B2 B2 B1 B1 B2 B2 B1 B1 B1
PoP 12hr 30 30 20 30 20 30 20 20
Rain shwrs C C S S S C S S S C S S
Tstms C C S S S C S S C S S
$$
SCZ050-052000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
1021 AM EDT Fri Sep 5 2025
Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25
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 88 72 88 74 88
Temp 85 88 87 80 77 75 73 74 83 87 86 80 77 76 75 75 83 86 85 79
Dewpt 72 72 72 73 73 73 73 73 74 74 74 74 75 74 74 74 75 75 75 75
RH 65 59 61 79 87 94100 97 74 65 68 82 94 94 97 97 77 70 72 88
Wind dir NE SE SE SE SE E N N NE SE SE S S SW NW NW N E SE E
Wind spd 2 5 8 5 2 2 2 2 3 5 6 5 3 2 2 2 4 5 5 4
Clouds CL CL FW FW SC FW FW SC FW FW FW FW SC SC B1 SC SC B1 B1 B1
PoP 12hr 0 0 5 5 30
QPF 12hr 0 0 0 0 0.08
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C
Tstms C C C
Heat index 91 95 94 90 94 94 90 95 94
Max heat 95 95 94 95 95 95
Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25
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 82 69 80 69 81 69 83
Temp 73 71 80 77 72 69 78 75 72 70 79 76 73 71 81 76
Dewpt 72 68 68 68 65 63 69 69 68 67 70 70 70 68 68 69
PWind dir NE NE NE NE NE NE NE NE
Wind char LT BZ GN BZ GN GN LT GN
Avg clouds B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr 40 30 20 40 30 40 20 20
Rain shwrs C S C S S C C C C C C S S S S
Tstms C S C S S C C S S C S S
$$
SCZ048-052000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
1021 AM EDT Fri Sep 5 2025
Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 90 70 90 72 90
Temp 85 90 88 80 76 74 72 72 83 89 88 79 76 74 73 74 83 88 86 77
Dewpt 70 70 70 71 72 71 71 72 72 71 72 73 73 72 72 73 73 72 73 73
RH 61 52 55 74 87 90 97100 70 56 59 82 90 93 97 97 72 59 65 87
Wind dir N E SE SE SE S N N NE SE SE S S SW W NW N E SE E
Wind spd 2 4 8 4 2 1 1 2 2 3 5 4 2 2 2 2 3 3 5 3
Clouds CL CL FW FW FW FW FW SC FW FW FW SC SC SC SC SC SC B1 B1 B1
PoP 12hr 0 0 5 0 30
QPF 12hr 0 0 0 0 0.10
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C
Tstms C C C
Heat index 90 96 93 95 95 95 93
Max heat 96 96 95 96 95 96
Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 69 83 67 81 68 83 69 85
Temp 72 70 81 75 70 68 80 75 71 69 81 76 71 69 83 76
Dewpt 70 66 67 67 63 61 66 67 66 64 69 69 68 66 67 67
PWind dir NE NE NE NE NE NE NE NE
Wind char LT GN GN GN GN GN LT GN
Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1
PoP 12hr 30 30 20 30 20 30 20 20
Rain shwrs C C S S S C S S S C S S
Tstms C C S S S C S S C S
$$
SCZ043-052000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
1021 AM EDT Fri Sep 5 2025
Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25
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 90 67 90 69 88
Temp 85 90 90 80 73 70 68 69 83 89 89 79 74 72 71 71 82 87 85 75
Dewpt 68 66 67 70 71 70 68 69 70 68 67 71 71 71 71 71 71 69 69 72
RH 57 45 47 72 93100100100 65 50 48 77 90 97100100 69 55 59 90
Wind dir W E SE SE S SW N N W SE S S S SW SW NW N N N NE
Wind spd 1 2 5 5 2 1 0 0 2 2 4 5 2 1 1 2 3 3 4 3
Clouds CL CL FW FW CL FW FW SC FW FW SC B1 SC SC B1 SC SC B1 B1 B1
PoP 12hr 5 0 5 0 40
QPF 12hr 0 0 0 0 0.21
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S
Tstms C C S
Heat index 93 93 93 92 91
Max heat 93 93 93 93 91 91
Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25
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 66 81 64 80 66 80 65 82
Temp 69 67 79 72 67 65 78 72 68 67 79 73 68 66 81 74
Dewpt 69 65 62 64 60 59 62 65 64 64 65 67 65 65 63 65
PWind dir NE NE NE NE NE NE NE NE
Wind char LT GN GN GN LT GN LT GN
Avg clouds SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr 20 20 10 20 10 30 10 20
Rain shwrs S S S S C S
Tstms S S S S S
$$
GAZ099-052000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
1021 AM EDT Fri Sep 5 2025
Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 93 68 94 71 93
Temp 85 93 92 83 75 71 68 70 84 92 92 83 77 74 72 72 84 91 89 79
Dewpt 68 66 65 67 68 68 68 69 69 66 64 67 69 69 69 69 70 68 68 69
RH 57 41 41 59 79 90100 97 61 43 40 59 76 84 90 90 63 47 50 72
Wind dir SW SE SE SE S S SW W SW E SE SE S S W NW N N N NE
Wind spd 2 2 4 5 3 2 1 1 2 2 3 2 2 2 1 2 3 4 4 3
Clouds CL FW FW FW CL CL FW FW FW SC SC B1 SC SC SC SC SC SC SC SC
PoP 12hr 5 0 5 0 20
QPF 12hr 0 0 0 0 0.09
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S
Tstms S S S
Heat index 96 94 95 94 95 93
Max heat 96 95 95 95 95 95
Date Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 69 87 66 84 67 86 66 88
Temp 71 69 84 77 69 67 82 76 69 68 84 78 69 67 86 78
Dewpt 69 64 62 61 60 57 59 61 61 61 63 64 64 63 61 61
PWind dir NE NE NE NE NE NE NE NE
Wind char LT GN LT GN LT GN LT LT
Avg clouds SC SC SC B1 SC SC SC B1 B1 B1 B1 B1 B1 SC SC B1
PoP 12hr 20 20 5 20 10 20 5 10
Rain shwrs S S S S
Tstms S S S S
$$
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