Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
954
FOUS52 KCHS 111002
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
602 AM EDT Mon Aug 11 2025
SCZ050-112000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
602 AM EDT Mon Aug 11 2025
Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25
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 75 88 76 91
Temp 76 79 82 82 78 77 77 76 77 82 85 85 81 78 78 76 77 85 89 89 82
Dewpt 75 74 75 75 75 75 75 75 76 76 75 75 76 76 76 75 76 76 75 77 76
RH 97 85 79 79 91 94 94 97 97 82 72 72 85 94 94 97 97 75 64 68 82
Wind dir SE SE SE SE SE SE SE SE E SE S S S S SW SW SW SW SW S S
Wind spd 5 8 8 9 6 5 4 2 2 5 6 8 6 4 4 4 4 6 8 10 9
Clouds B2 OV B2 B1 B2 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC
PoP 12hr 90 40 60 10 50
QPF 12hr 0.15 0.01 0.06 0 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D C S S C L L L L C C C C S
Tstms L L L C S S C S C C C S C C C S
Heat index 94 94 94 99102
Max heat 91 94 94 99 102
Flood A A A A
Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
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 92 77 91 75 89 74 88
Temp 78 78 89 83 78 78 89 83 77 76 87 81 77 76 86 80
Dewpt 76 75 75 76 76 75 76 76 75 74 74 75 74 73 74 74
PWind dir SW SW SW W NE NE NE NE
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC SC B1 B1 SC SC B1 B1 B1 B1 B1 SC SC B1 B1
PoP 12hr 20 40 30 50 30 50 20 50
Rain shwrs S S C C S C C S C C S S C C
Tstms S S C C S C C S S C S S S C
$$
GAZ118-112000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
602 AM EDT Mon Aug 11 2025
Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 86 75 90 76 93
Temp 76 81 84 84 79 78 77 76 77 84 88 88 81 78 77 76 77 86 91 91 83
Dewpt 75 78 78 77 76 77 76 76 77 77 77 77 77 77 76 75 76 78 76 75 76
RH 97 91 82 80 91 97 97100100 80 70 70 88 97 97 97 97 77 62 60 80
Wind dir E SE SE SE E SE SE SE E S SE SE SE S S SW SW W SW S S
Wind spd 4 6 9 10 6 4 3 2 2 4 5 8 5 3 2 2 2 4 5 6 5
Clouds B2 B2 B2 B1 B2 B1 SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 B1 SC
PoP 12hr 80 30 50 10 50
QPF 12hr 0.38 0.01 0.05 0 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs L D L S C C S C C C C S S C C S
Tstms C C L S C C S S C C C S C C S
Heat index 95 94 94100100 98103102 91
Max heat 95 97 100 100 103 103
Flood A A A A
Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 75 94 77 93 75 91 75 89
Temp 78 76 92 83 78 78 92 83 78 77 89 82 76 76 87 80
Dewpt 75 75 77 78 76 75 77 77 76 75 76 76 74 74 76 76
PWind dir SW SW SW W SW NE NE NE
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC FW B1 SC FW SC B1 B1 SC SC B1 SC SC SC B2
PoP 12hr 20 40 20 40 30 50 20 60
Rain shwrs S C S C C S C S S L
Tstms S C S C C S C S S C
$$
SCZ050-112000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
602 AM EDT Mon Aug 11 2025
Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25
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 77 88 76 90
Temp 77 81 82 82 81 79 80 79 79 82 86 86 82 80 78 77 78 84 88 88 83
Dewpt 77 78 78 78 77 77 78 77 78 78 77 78 77 78 78 77 78 78 78 78 78
RH 100 91 88 88 88 94 94 94 97 88 75 77 85 94100100100 82 72 72 85
Wind dir SE SE SE SE SE SE SE SE S S SE S S S SW SW W SW SW S SW
Wind spd 5 8 9 9 6 5 4 3 2 5 6 8 5 4 4 4 4 5 9 10 8
Clouds OV OV B2 OV B2 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr 90 50 60 20 40
QPF 12hr 0.10 0.02 0.04 0 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D C S S C L L C C S S C C C C C
Tstms L L L C S S C C C C C S S S C C C C
Heat index 91 91 91 97 98 95102102 93
Max heat 91 95 97 99 102 103
Flood A A A A
Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
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 90 77 90 76 89 76 87
Temp 79 79 89 84 79 79 89 83 80 78 87 82 78 77 85 81
Dewpt 78 77 78 78 78 77 78 78 77 76 76 76 76 75 76 76
PWind dir SW SW SW SW NE NE NE NE
Wind char LT GN LT LT LT LT LT LT
Avg clouds B1 SC SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr 30 40 30 40 40 50 30 50
Rain shwrs C S S C C S S C C C C C C C C C
Tstms C S S C C S S C C S S C C C C C
$$
SCZ048-112000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
602 AM EDT Mon Aug 11 2025
Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 84 76 88 76 92
Temp 76 81 82 82 78 78 77 76 78 82 87 86 81 78 77 76 77 85 90 89 82
Dewpt 75 77 78 77 76 77 76 76 77 77 77 77 77 77 76 76 76 78 77 76 77
RH 97 88 88 85 94 97 97100 97 85 72 75 88 97 97100 97 80 66 66 85
Wind dir E SE SE SE SE SE SE SE E S S SE SE S S SW SW W SW S S
Wind spd 5 6 8 8 5 4 3 2 2 4 5 6 5 3 2 2 2 4 5 6 5
Clouds OV B2 B2 B2 B2 B2 SC B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC B1 B1 SC
PoP 12hr 90 40 50 10 40
QPF 12hr 0.09 0.01 0.04 0 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs D L D C S S C C C C C C S S C C S
Tstms C L L C S S C C S C C C S C C S
Heat index 91 90 90 99 97 97103100 90
Max heat 91 93 99 99 103 102
Flood A A A A
Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 76 91 77 92 75 89 74 88
Temp 78 78 89 83 79 78 90 83 78 76 88 81 76 76 86 79
Dewpt 76 76 77 78 76 76 77 77 76 75 76 76 75 74 76 75
PWind dir SW SW SW W NW NE NE NE
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC SC B1 SC SC SC B1 B1 SC SC B1 SC SC SC B1
PoP 12hr 20 40 20 40 30 50 20 50
Rain shwrs S C S C C S S C S S S C
Tstms S C S C C S C S S S C
$$
SCZ043-112000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
602 AM EDT Mon Aug 11 2025
Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25
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 82 72 86 73 90
Temp 74 79 80 80 76 75 74 73 74 82 85 84 78 76 75 73 75 83 88 88 81
Dewpt 74 76 75 75 75 74 74 73 73 76 75 75 76 76 75 73 75 76 75 75 76
RH 100 91 85 85 97 97100100 97 82 72 74 94100100100100 80 66 66 85
Wind dir E SE S SE SE SE E E E S S S S S SW SW SW W SW SW S
Wind spd 4 5 6 6 4 2 1 1 1 3 5 5 4 2 2 2 2 5 6 6 4
Clouds B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC B1 B1 SC
PoP 12hr 80 40 60 10 50
QPF 12hr 0.26 0.01 0.09 0.01 0.05
Snow 12hr 00-00 00-00 00-00
Rain shwrs L D D C S S C C C L L S S C C S
Tstms C L L C S S C S C C S C C S
Heat index 94 92 91 98 98
Max heat 94 94 98 99
Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
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 90 74 90 72 87 72 86
Temp 75 75 88 80 76 76 88 80 75 74 86 79 74 74 84 78
Dewpt 75 75 76 76 76 75 75 76 75 74 74 75 73 74 74 75
PWind dir SW SW SW NW NE NE NE NE
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC SC B1 SC SC SC B1 B1 B1 SC B1 SC SC SC B1
PoP 12hr 20 40 20 50 20 50 20 50
Rain shwrs S C S C S S C S S C
Tstms S C S C S C S C
$$
GAZ099-112000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
602 AM EDT Mon Aug 11 2025
Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 87 73 91 74 92
Temp 75 81 85 82 78 76 75 75 75 82 88 87 81 77 75 74 75 84 90 89 83
Dewpt 73 76 76 75 75 75 75 74 74 76 76 75 76 76 75 74 75 77 75 74 75
RH 94 85 75 79 91 97100 97 97 82 68 68 85 97100100100 80 62 61 77
Wind dir E SE SE SE SE SE E SE SE S S S SE S S SW SW W SW SW SW
Wind spd 3 5 6 6 4 2 2 2 2 3 5 4 2 2 2 2 2 3 5 5 2
Clouds B2 B1 OV B2 B2 B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC B1 B1 SC
PoP 12hr 80 40 50 20 40
QPF 12hr 0.16 0.07 0.06 0.01 0.03
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C D L C C S S C C S S C C
Tstms S C L L C S S C C S C C
Heat index 94 99 96 94101 98 90
Max heat 94 94 99 98 101 101
Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 74 92 75 93 74 90 73 88
Temp 76 76 90 84 77 77 91 84 77 76 88 82 75 74 86 80
Dewpt 74 74 77 76 75 75 76 76 75 74 75 75 73 73 74 74
PWind dir SW W W NW N NE NE NE
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC SC B1 SC SC SC B1 SC SC SC B1 SC SC SC B1
PoP 12hr 10 30 10 40 20 40 20 40
Rain shwrs C C S C S C
Tstms C C S C S C
$$
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