Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
181
FOUS52 KCHS 160542
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
142 AM EDT Wed Jul 16 2025
SCZ050-162000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
142 AM EDT Wed Jul 16 2025
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25
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 91 77 93 76 95
Temp 77 79 85 88 87 81 79 78 78 79 87 91 89 82 79 78 77 79 89 93 91 83
Dewpt 75 75 74 74 74 74 75 75 75 75 76 75 75 75 76 76 76 77 77 76 78 76
RH 94 88 70 63 65 79 88 91 91 88 70 60 64 79 91 94 97 94 68 58 66 80
Wind dir S S S S S S S S S S S S S S S SW SW SW SW SW S S
Wind spd 6 8 10 13 13 11 9 8 8 8 10 13 14 11 9 6 6 6 8 9 11 10
Clouds SC B1 B1 B1 SC SC SC FW FW SC FW FW FW FW FW FW FW FW FW SC FW SC
PoP 12hr 50 10 30 0 30
QPF 12hr 0.06 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C S C C S S S S C C
Tstms C C C S C C S S S S C C
Heat index 93 97 95 98102 99 102106106 91
Max heat 97 99 102 102 106 107
Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25
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 77 97 77 96 78 96 77 94
Temp 79 79 95 84 79 80 94 84 80 80 94 83 79 79 91 82
Dewpt 76 76 76 77 76 76 76 76 77 76 77 77 76 77 77 77
PWind dir SW SW SW W SW W SW SW
Wind char LT GN LT GN LT GN LT GN
Avg clouds FW FW FW SC SC SC FW SC B1 SC SC B1 B1 B1 B1 B1
PoP 12hr 5 20 20 30 20 50 30 50
Rain shwrs S S C S S S C C S C C
Tstms S S C S S S C C S C C
$$
GAZ118-162000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
142 AM EDT Wed Jul 16 2025
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 91 77 93 77 95
Temp 78 79 86 89 89 83 80 79 78 79 87 91 91 83 80 79 77 79 89 94 92 85
Dewpt 75 76 77 76 75 75 76 75 76 75 75 74 74 75 76 76 76 76 76 75 75 75
RH 91 91 75 66 64 77 88 88 94 88 68 58 58 77 88 91 97 91 66 54 58 72
Wind dir SE SE S S SE SE S S S S S S S S S S SW SW SW S S S
Wind spd 5 8 10 13 13 10 8 5 5 5 8 10 11 10 5 4 3 3 5 5 8 6
Clouds SC SC B1 SC SC FW SC FW FW FW FW SC FW SC FW FW CL FW FW SC SC SC
PoP 12hr 30 10 30 5 30
QPF 12hr 0 0 0 0 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C S S C C C C
Tstms S C S S C C C C
Heat index 97100 99 90 96101101 90 100106103 94
Max heat 100 102 101 102 106 106
Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 77 98 78 98 79 97 78 95
Temp 79 79 96 87 80 80 96 87 81 81 95 86 80 80 93 84
Dewpt 75 75 74 75 75 74 73 75 75 75 74 75 74 75 76 76
PWind dir SW W SW W SW W SW W
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC FW FW SC SC FW FW SC SC SC SC B1 B1 SC SC B1
PoP 12hr 5 20 10 30 20 50 30 60
Rain shwrs S C S S C C S L
Tstms S C S S C C S L
$$
SCZ050-162000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
142 AM EDT Wed Jul 16 2025
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25
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 79 91 79 93
Temp 79 80 85 88 88 83 81 81 80 81 87 89 89 82 81 80 79 81 89 91 90 84
Dewpt 75 77 78 78 77 76 77 77 76 76 76 77 76 76 77 77 77 78 78 78 78 77
RH 88 91 80 72 70 80 88 88 88 85 70 68 66 82 88 91 94 91 70 66 68 80
Wind dir S S S S S S S S S SW S S S S S SW SW SW SW SW S SW
Wind spd 8 9 10 13 13 10 9 9 8 8 10 13 13 10 9 6 6 6 8 10 12 10
Clouds FW B1 B1 B1 SC SC SC FW SC SC FW FW FW FW FW FW FW FW SC SC FW FW
PoP 12hr 50 10 30 5 30
QPF 12hr 0.07 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C S C C S S S S C C
Tstms C C C S C C S S S S C C
Heat index 97102100 90 98101100 103106105 94
Max heat 102 103 102 102 106 106
Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25
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 79 95 79 96 80 95 79 93
Temp 81 81 94 85 81 81 94 86 82 82 93 85 81 81 91 83
Dewpt 77 76 77 78 77 77 77 77 78 76 78 78 78 77 78 77
PWind dir SW SW SW SW SW SW SW S
Wind char LT GN LT GN LT GN LT GN
Avg clouds FW FW FW SC SC SC SC SC B1 SC SC B1 B1 B1 B1 B1
PoP 12hr 5 20 20 30 30 50 40 50
Rain shwrs S S S C C S S C C C C C
Tstms S S S C C S S C C C C C
$$
SCZ048-162000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
142 AM EDT Wed Jul 16 2025
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 89 77 91 77 94
Temp 78 80 85 88 87 81 79 78 78 79 86 89 88 82 79 79 77 79 88 92 90 83
Dewpt 74 76 77 77 76 76 77 76 76 76 77 76 75 76 77 77 76 77 77 76 77 76
RH 88 88 77 70 70 85 94 94 94 91 75 66 66 82 94 94 97 94 70 60 66 80
Wind dir SE SE S S S S S S S S S S S S S S SW SW SW S S S
Wind spd 5 8 10 11 12 10 8 6 5 5 8 10 11 9 5 5 4 4 5 6 8 6
Clouds FW B1 B1 SC SC FW SC FW SC FW SC FW FW FW FW FW FW FW FW FW SC SC
PoP 12hr 40 5 20 5 20
QPF 12hr 0.01 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S S S S S S S S
Tstms C C S S S S S S S S
Heat index 96100 98 97100 98 100105103 91
Max heat 100 100 102 100 105 106
Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 78 96 78 96 79 96 79 93
Temp 80 80 94 86 80 80 94 86 81 81 94 84 80 80 91 82
Dewpt 76 76 76 76 76 75 75 77 76 76 76 77 75 75 77 77
PWind dir SW SW SW W SW W SW SW
Wind char LT LT LT LT LT LT LT LT
Avg clouds FW FW FW SC FW FW SC SC SC SC SC B1 B1 B1 B1 B1
PoP 12hr 5 20 10 30 20 40 30 50
Rain shwrs S C S S C C S S C
Tstms S C S S C C S S C
$$
SCZ043-162000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
142 AM EDT Wed Jul 16 2025
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25
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 89 74 91 74 94
Temp 74 76 84 87 87 80 77 75 75 76 85 90 89 81 77 76 74 76 87 92 91 83
Dewpt 73 76 75 75 74 74 75 75 74 75 76 75 74 74 75 75 74 76 76 75 75 75
RH 97100 74 68 65 82 94100 97 97 75 62 61 79 94 97100100 70 58 60 77
Wind dir SE SE S S S S S S S S S S S S S S SW SW SW SW S S
Wind spd 3 5 9 10 11 8 5 4 4 4 8 9 10 8 5 3 3 4 5 5 6 5
Clouds SC B1 B1 B1 SC FW SC FW SC SC SC SC FW FW FW FW FW FW FW FW SC FW
PoP 12hr 40 5 20 0 30
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C S S S S S C C
Tstms S C C S S S S S C C
Heat index 92 96 95 94101 98 98103102 90
Max heat 96 97 101 101 103 105
Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25
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 75 95 75 94 76 94 76 92
Temp 77 77 93 83 77 77 93 83 78 78 93 83 77 78 90 81
Dewpt 75 75 75 76 74 75 75 76 75 75 76 75 74 75 77 76
PWind dir SW SW SW W SW W SW W
Wind char LT LT LT LT LT LT LT LT
Avg clouds FW FW FW SC SC FW FW SC B1 SC SC SC B1 B1 B1 B1
PoP 12hr 5 20 10 40 20 50 30 50
Rain shwrs S C S S C C S C
Tstms S C S S C C S C
$$
GAZ099-162000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
142 AM EDT Wed Jul 16 2025
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 93 74 95 74 97
Temp 75 76 84 90 90 85 79 76 75 76 87 93 92 87 81 76 75 77 89 95 94 86
Dewpt 74 75 74 73 72 73 74 74 74 74 74 72 72 74 74 74 74 75 75 72 71 74
RH 97 97 72 58 56 67 85 94 97 94 65 51 52 65 79 94 97 94 64 48 47 68
Wind dir SE SE SE SE SE SE S S S S S S S S S S S SW SW SW SW SW
Wind spd 3 4 8 9 10 6 5 3 2 2 5 5 6 4 3 2 2 2 3 5 5 3
Clouds FW SC FW SC SC FW FW SC SC FW FW SC SC SC FW FW CL FW FW FW SC SC
PoP 12hr 30 10 30 5 30
QPF 12hr 0 0 0 0 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C C C
Tstms S C C C C C
Heat index 91 98 97 92 95101100 95 99104101 94
Max heat 98 100 101 101 93 104 105
Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 76 98 77 98 77 98 76 96
Temp 78 78 96 88 79 79 96 89 79 79 96 89 78 78 94 85
Dewpt 74 75 72 72 72 73 71 72 73 74 72 72 72 74 73 74
PWind dir SW W W W W W SW W
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC FW FW SC SC FW FW SC SC SC SC B1 B1 SC B1 B1
PoP 12hr 5 20 10 30 20 50 30 50
Rain shwrs S C S C C S C
Tstms S C S C C S C
$$
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