Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
533
FOUS52 KCHS 100525
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
125 AM EDT Thu Jul 10 2025
SCZ050-102000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
125 AM EDT Thu Jul 10 2025
Date Thu 07/10/25 Fri 07/11/25 Sat 07/12/25
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 75 93 76 94
Temp 76 77 86 90 89 82 78 77 76 77 87 90 89 82 79 78 76 78 88 91 90 83
Dewpt 73 73 73 73 74 76 74 74 73 74 73 73 74 75 75 75 75 75 74 73 74 75
RH 90 87 65 58 61 82 88 90 90 90 63 58 61 79 88 91 97 91 63 56 60 77
Wind dir SW SW SW SW S SW SW SW SW SW SW SW SW SW SW SW SW W W SW SW SW
Wind spd 5 5 8 10 12 10 8 6 6 6 9 10 11 10 8 6 5 5 6 8 10 8
Clouds SC SC B1 B1 SC B1 B2 B1 SC SC SC B1 SC SC SC SC SC SC SC SC SC B1
PoP 12hr 70 70 50 30 50
QPF 12hr 0.25 0.03 0.08 0.13 0.05
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C L C S S S C C C C C C C
Tstms S S C C L C S S S C C C C C C C
Heat index 93 98 98 94 98 98 97100 99 90
Max heat 98 100 98 99 100 100
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
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 95 77 95 77 92 76 91
Temp 78 78 92 84 79 79 92 83 79 79 89 82 78 78 88 81
Dewpt 75 75 72 75 75 75 74 76 76 76 74 75 75 75 73 74
PWind dir SW W SW SW SW S S S
Wind char LT LT LT LT LT LT LT GN
Avg clouds SC SC SC B1 SC SC SC B1 SC SC B1 B1 B1 B1 B1 B1
PoP 12hr 30 50 20 50 30 70 40 70
Rain shwrs C C S S C C S C L C C C L
Tstms C C S S C C S C L C S C L
$$
GAZ118-102000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
125 AM EDT Thu Jul 10 2025
Date Thu 07/10/25 Fri 07/11/25 Sat 07/12/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 94 75 94 75 94
Temp 75 76 86 92 91 83 80 77 75 77 86 92 91 85 81 77 75 77 88 93 92 87
Dewpt 73 72 75 72 70 73 74 73 73 73 74 73 74 74 75 74 73 74 75 73 73 75
RH 94 87 70 52 50 72 82 87 94 87 68 54 58 70 82 90 94 90 66 52 54 68
Wind dir SW SW SW SW S SW SW SW SW SW W SW SW SW S SW W W W W SW S
Wind spd 3 3 5 6 8 5 5 3 3 4 5 6 8 5 4 3 3 4 5 5 6 5
Clouds SC SC B1 B1 B1 B2 B2 B1 FW FW SC SC B1 B1 SC SC FW FW FW B1 SC SC
PoP 12hr 70 70 60 30 50
QPF 12hr 0.24 0.14 0.06 0.03 0.05
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C L S L L C C C C S
Tstms S C C L S L L C C C S
Heat index 95100 97 94101101 93 98102101 96
Max heat 100 99 101 102 92 102 102
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 76 96 76 96 76 93 76 90
Temp 78 78 94 88 78 78 94 86 79 77 91 84 78 78 88 84
Dewpt 74 74 73 75 74 73 75 76 76 75 76 76 75 75 75 75
PWind dir SW W SW W S S S S
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC FW FW SC SC FW FW SC B1 SC B1 B1 B1 B1 B1 B1
PoP 12hr 20 40 20 50 20 70 30 80
Rain shwrs S C S C S S L C S C D
Tstms S C S C S S L C C L
$$
SCZ050-102000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
125 AM EDT Thu Jul 10 2025
Date Thu 07/10/25 Fri 07/11/25 Sat 07/12/25
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 76 92 77 93
Temp 77 79 86 89 89 83 80 79 78 78 88 90 89 83 81 79 78 79 88 91 89 84
Dewpt 75 74 73 75 78 77 75 75 74 74 75 76 76 76 76 76 75 76 75 76 77 77
RH 94 85 65 64 70 82 85 88 88 88 66 64 66 80 85 91 91 91 66 62 68 80
Wind dir SW SW SW S S SW SW SW SW W SW SW SW S SW SW SW W SW SW SW SW
Wind spd 5 5 8 11 13 10 8 8 6 5 9 11 12 10 8 6 5 5 6 10 10 8
Clouds SC SC B1 B1 SC B2 B1 B1 SC SC SC B1 SC SC B1 SC SC SC SC B1 SC B1
PoP 12hr 70 70 50 40 40
QPF 12hr 0.02 0.02 0.04 0.03 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S C C L C C S S S C C C C S S S S C C C
Tstms S S S C C L C C S S S C C C C S S S S C C C
Heat index 93 99103 92 97102100 91 98103101 94
Max heat 99 105 102 102 103 103
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
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 94 78 93 78 90 77 89
Temp 80 80 92 84 80 80 91 84 80 80 88 83 79 80 87 82
Dewpt 76 76 76 77 76 76 77 77 77 77 77 76 76 77 76 76
PWind dir SW SW SW S SW S S S
Wind char LT LT LT LT LT LT LT GN
Avg clouds SC SC SC B1 SC SC B1 B1 SC SC B1 B1 B1 B1 B1 B1
PoP 12hr 40 40 20 40 30 60 40 70
Rain shwrs C S S C S S C C C C L C C L L
Tstms C S S C S S C C C C L C S C L
$$
SCZ048-102000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
125 AM EDT Thu Jul 10 2025
Date Thu 07/10/25 Fri 07/11/25 Sat 07/12/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 91 75 92 76 94
Temp 75 77 84 90 89 81 79 78 76 77 87 91 90 83 80 78 76 78 88 92 92 85
Dewpt 73 73 74 74 76 74 75 74 73 74 75 74 75 76 75 75 74 75 75 74 74 76
RH 94 87 72 60 66 79 88 88 90 90 68 58 62 80 85 91 94 91 66 56 56 75
Wind dir SW SW SW S S SW SW SW SW SW SW SW S S S SW SW W W SW SW S
Wind spd 3 4 5 8 9 6 5 5 4 5 5 8 9 6 5 4 3 4 5 5 6 5
Clouds SC SC B1 B1 SC B2 B2 B1 SC FW SC B1 B1 B1 SC SC SC FW FW SC B1 SC
PoP 12hr 70 70 50 30 40
QPF 12hr 0.65 0.37 0.05 0.02 0.03
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S C L S C C C C C C S
Tstms S S S C L S C C C S C C S
Heat index 91 99100 96101101 91 98102102 94
Max heat 99 103 101 102 102 103
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 77 95 77 95 77 91 76 89
Temp 79 79 93 86 79 79 93 84 79 79 90 83 78 78 87 82
Dewpt 75 75 73 76 75 75 76 76 76 76 76 76 76 75 75 75
PWind dir SW W SW SW SW S S S
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC FW FW SC SC FW FW SC B1 SC B1 B1 B1 SC B1 B1
PoP 12hr 20 40 10 40 20 60 30 70
Rain shwrs S C C S S L C S C L
Tstms S C C S S L C C L
$$
SCZ043-102000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
125 AM EDT Thu Jul 10 2025
Date Thu 07/10/25 Fri 07/11/25 Sat 07/12/25
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 72 91 73 92
Temp 73 75 83 88 87 79 76 74 73 74 86 90 89 81 78 75 73 75 86 90 90 82
Dewpt 73 72 73 73 72 73 74 74 73 74 73 73 72 74 75 74 73 74 73 72 72 74
RH 100 90 72 61 61 82 94100100100 65 58 57 79 91 97100 97 65 56 56 77
Wind dir SW S SW SW S S SW S SW SW W SW SW S S SW SW W W SW SW S
Wind spd 2 3 5 8 8 5 3 3 3 4 6 8 6 5 3 2 2 3 5 5 5 3
Clouds B1 SC B1 B1 B1 B2 B2 B1 SC SC SC SC SC SC SC SC FW FW SC SC SC SC
PoP 12hr 70 50 50 30 50
QPF 12hr 0.45 0.03 0.06 0.05 0.06
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C S C C C C C C S
Tstms S C C C S C C C S C C S
Heat index 96 94 93 98 96 93 97 97
Max heat 96 96 98 97 97 99
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
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 73 92 74 92 74 90 74 88
Temp 75 76 91 83 76 76 92 82 76 76 88 80 76 76 86 80
Dewpt 75 75 72 75 75 75 74 75 76 76 74 75 75 75 74 74
PWind dir SW W SW W S S S S
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC FW FW SC SC FW FW B1 B1 SC B1 B1 B1 B1 B1 B1
PoP 12hr 20 40 10 50 20 70 30 70
Rain shwrs S C C S C L C S C L
Tstms S C C S C L C C L
$$
GAZ099-102000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
125 AM EDT Thu Jul 10 2025
Date Thu 07/10/25 Fri 07/11/25 Sat 07/12/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 94 72 94 72 94
Temp 73 74 84 91 88 82 77 75 73 74 85 91 92 83 78 75 73 75 85 92 92 85
Dewpt 72 72 75 73 72 73 74 73 72 73 74 73 73 74 74 73 73 74 73 73 72 74
RH 97 93 74 56 59 74 90 94 97 97 70 56 54 74 88 94100 97 67 54 52 70
Wind dir SW SW SW SW SW SW SW SW SW W W SW SW SW SW SW SW W W W W W
Wind spd 2 2 4 5 5 2 2 2 2 2 4 5 5 2 2 2 2 2 4 5 5 2
Clouds SC B1 SC B1 B1 B2 B2 B1 SC SC SC SC SC B1 SC SC FW FW SC SC SC SC
PoP 12hr 70 50 50 30 40
QPF 12hr 0.28 0.31 0.16 0.04 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs C L C S C C C C C C S
Tstms C L C S C C C S C C S
Heat index 92100 95 93100101 90 92101100 93
Max heat 100 100 100 102 101 101
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 73 96 74 97 74 94 73 91
Temp 76 76 94 88 76 76 95 87 76 76 92 83 75 75 89 82
Dewpt 73 73 72 73 73 73 73 73 73 74 74 74 74 74 74 74
PWind dir SW W SW NW S S SE S
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC FW SC SC FW FW SC SC SC SC B1 B1 B1 B1 B1
PoP 12hr 20 40 20 50 30 60 30 70
Rain shwrs S C S C C L C C L
Tstms S C S C C L C C L
$$
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