Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
261
FOUS52 KCHS 102135
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
535 PM EDT Sun Aug 10 2025
SCZ050-110800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
535 PM EDT Sun Aug 10 2025
Date 08/10/25 Mon 08/11/25 Tue 08/12/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 74 84 74 88 75
Temp 76 76 75 75 76 79 81 82 78 77 76 74 76 83 86 86 80 78 77 75 77
Dewpt 73 74 74 74 74 75 75 74 75 74 74 74 75 75 75 75 75 75 75 74 75
RH 90 94 97 97 94 88 82 77 91 90 94100 97 77 70 70 85 91 94 97 94
Wind dir E E E E E E E E E SE SE SE E SE S SE S S SW SW W
Wind spd 9 6 5 5 5 6 8 8 6 5 3 2 2 5 5 6 5 4 3 3 3
Clouds OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr 80 80 30 70 20
QPF 12hr 0.15 0.61 0.08 0.14 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs D C L L L L L C C C L L L L S S C
Tstms L C L L C C L C C C C C L C S S
Heat index 90 95 95
Max heat 90 95 96
Coast Flood Y
Flood A A A A
Date 08/13 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 90 76 92 76 91 76 89 74 89
Temp 88 82 78 78 90 83 78 78 89 82 77 77 87 81 77 76 87 81
Dewpt 75 76 76 75 76 76 75 75 75 76 75 74 74 75 74 73 73 74
PWind dir SW SW SW SW E NE NE NE E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B1 B1 SC SC B1 B1 SC SC B1 B1 B1 B1 B1 SC SC B1 B1
PoP 12hr 50 30 40 30 50 30 50 20 50
Rain shwrs C C C S S C C S S C C S C C S S C C
Tstms S C C S S C C S S C C S S C S S C C
$$
GAZ118-110800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
535 PM EDT Sun Aug 10 2025
Date 08/10/25 Mon 08/11/25 Tue 08/12/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 75 86 75 90 75
Temp 77 75 75 75 75 80 84 84 79 77 77 75 77 83 88 87 81 78 77 75 76
Dewpt 75 74 74 74 75 78 78 77 76 76 76 75 76 78 79 77 76 76 75 75 75
RH 94 97 97 97100 94 82 80 91 97 97100 97 85 75 72 85 94 94100 97
Wind dir E SE SE E E SE SE SE E SE SE SE E SE SE SE SE S S SW SW
Wind spd 6 5 4 4 4 6 8 9 5 4 3 2 2 4 5 6 5 2 2 2 2
Clouds B2 B2 B1 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC
PoP 12hr 70 80 30 60 20
QPF 12hr 1.02 0.33 0.04 0.11 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C C L L L L C C C C C C C L L S S S
Tstms C C C C C C L C C C C C C L C S S
Heat index 95 94 93103 99
Max heat 95 97 103 103
Flood A A A A
Date 08/13 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 92 76 94 76 93 76 91 75 91
Temp 90 83 78 77 92 85 78 77 91 82 77 77 89 82 77 77 89 81
Dewpt 78 77 76 75 78 77 75 75 78 77 75 75 77 76 75 75 77 76
PWind dir SW SW W SW W NE NE NE E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC B1 SC SC FW B1 SC SC SC B1 B1 SC SC B1 SC SC SC B1
PoP 12hr 50 20 40 20 50 30 50 20 50
Rain shwrs S C S C S C C S C S S C
Tstms S C S C S C C S C S S C
$$
SCZ050-110800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
535 PM EDT Sun Aug 10 2025
Date 08/10/25 Mon 08/11/25 Tue 08/12/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 76 84 76 87 76
Temp 79 78 78 78 78 80 82 82 80 79 78 77 78 83 85 85 82 79 78 77 78
Dewpt 76 76 76 76 77 78 78 78 77 76 77 77 77 78 78 78 78 77 77 76 77
RH 91 94 94 94 97 94 88 88 91 91 97100 97 85 80 80 88 94 97 97 97
Wind dir E E SE SE E E E E SE SE SE SE SE SE S SE S S SW SW W
Wind spd 9 6 5 5 5 6 9 9 5 5 3 3 2 4 6 6 5 4 3 3 3
Clouds OV B2 B2 B2 B2 B2 B2 OV B2 B2 B1 B2 B2 B2 B1 B2 B1 B1 B1 B1 B1
PoP 12hr 80 80 40 60 20
QPF 12hr 0.12 0.45 0.05 0.09 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs D C L D D L L C S S C C L L C C S S C
Tstms L C L L L C L C S S C C C C C C S S S
Heat index 90 91 93 97 97 90
Max heat 91 93 97 97
Coast Flood Y
Flood A A A A
Date 08/13 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 90 77 91 77 91 76 89 76 89
Temp 88 83 79 79 90 84 79 79 89 83 79 78 87 82 79 78 87 82
Dewpt 79 79 78 77 78 78 78 77 78 78 77 76 78 77 77 76 77 77
PWind dir SW SW SW W E NE E NE E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B1 B1 B1 SC B1 B1 SC SC B1 B1 SC B1 B1 B1 B1 B1 B1
PoP 12hr 50 30 40 30 40 30 50 30 50
Rain shwrs C C C C S C C S S C C S C C C C C C
Tstms C C C C S C C S S C C S C C C S C C
$$
SCZ048-110800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
535 PM EDT Sun Aug 10 2025
Date 08/10/25 Mon 08/11/25 Tue 08/12/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 75 84 75 88 75
Temp 76 76 76 76 76 80 83 82 78 77 77 75 77 83 86 86 80 78 76 75 76
Dewpt 75 75 75 75 75 77 78 77 76 76 76 75 76 77 78 77 76 77 75 75 76
RH 97 97 97 97 97 91 85 85 94 97 97100 97 82 77 75 88 97 97100100
Wind dir E E E SE E E SE SE SE SE SE SE SE SE SE SE SE S S SW SW
Wind spd 6 5 4 4 4 5 8 8 5 4 2 2 2 4 5 6 4 2 2 2 2
Clouds B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B2 B1 B1 B1
PoP 12hr 70 80 30 60 20
QPF 12hr 0.64 0.14 0.03 0.14 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C C L D L L L S S C C C C L L S S S S S
Tstms C C C C C C L C S S C C S C C C S S S S
Heat index 93 90 92 98 97
Max heat 93 95 98 100
Flood A A A A
Date 08/13 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 91 76 92 76 92 76 90 75 89
Temp 89 82 77 77 91 84 78 78 90 81 77 77 88 80 77 77 87 81
Dewpt 78 77 76 76 78 78 76 76 77 77 75 75 77 77 75 75 77 76
PWind dir SW SW SW SW SW E NE NE E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC B1 SC SC FW B1 B1 SC SC B1 B1 SC SC B1 SC SC SC B1
PoP 12hr 40 20 40 30 40 30 50 20 50
Rain shwrs S C S C C C C S C S S S C
Tstms S C S C C C C S C S S C
$$
SCZ043-110800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
535 PM EDT Sun Aug 10 2025
Date 08/10/25 Mon 08/11/25 Tue 08/12/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 72 81 71 85 72
Temp 74 73 73 73 73 78 79 79 76 74 73 71 74 81 83 83 78 75 74 72 74
Dewpt 74 73 73 72 73 75 75 74 75 74 73 71 74 75 75 75 76 75 74 72 74
RH 100100100 97100 91 88 85 97100100100100 82 77 77 94100100100100
Wind dir E E E NE E E E E E E E E E SE S S S S S SW SW
Wind spd 5 4 2 3 3 5 6 6 4 2 1 1 1 3 5 5 3 2 1 1 2
Clouds OV B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1
PoP 12hr 70 80 30 60 20
QPF 12hr 0.37 0.34 0.03 0.35 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C C C D C D C S S C C C C L L S S S S S
Tstms C C C C C C L C S S C C S C C S S S S
Heat index 90 90
Max heat 90 92
Flood A A A A
Date 08/13 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 89 73 90 74 90 73 88 72 87
Temp 87 81 75 75 89 82 76 76 88 81 75 75 87 79 74 74 86 79
Dewpt 75 76 75 75 75 76 75 75 75 76 75 75 74 75 74 74 73 74
PWind dir SW SW W W NE E NE NE NE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B1 SC SC FW B1 SC SC SC B1 B1 SC SC B1 SC SC SC B1
PoP 12hr 50 20 40 20 50 20 50 20 50
Rain shwrs S C S C S C S S C S S C
Tstms S C S C S C S C S S C
$$
GAZ099-110800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
535 PM EDT Sun Aug 10 2025
Date 08/10/25 Mon 08/11/25 Tue 08/12/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 72 86 72 89 73
Temp 76 74 74 74 73 79 84 82 78 75 74 73 74 83 87 86 81 77 75 73 75
Dewpt 74 74 73 73 73 75 76 75 75 74 74 73 74 76 76 75 76 75 75 73 75
RH 94100 97 97100 88 77 79 91 97100100100 80 70 70 85 94100100100
Wind dir E E E E E E SE E E SE SE E E SE S SE SE SE S S SW
Wind spd 5 4 2 3 3 5 6 6 4 2 2 2 2 3 4 4 2 2 1 1 1
Clouds B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1
PoP 12hr 60 70 30 60 20
QPF 12hr 0.10 0.29 0.06 0.19 0.09
Snow 12hr 00-00 00-00 00-00
Rain shwrs C S C C C C L C C C S S C C L L S S
Tstms C S S C S C L C C S S S C L S
Heat index 93 91 98 95
Max heat 93 92 98 98
Date 08/13 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 90 73 92 74 92 74 91 73 89
Temp 88 83 75 75 90 84 76 76 90 82 76 76 89 81 75 75 87 81
Dewpt 76 76 74 75 76 76 74 75 77 76 75 75 76 75 74 74 74 75
PWind dir SW SW W W NW NE NE E NE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B1 SC SC FW B1 SC FW SC B1 SC SC SC B1 SC FW SC B1
PoP 12hr 40 20 30 20 40 20 50 20 40
Rain shwrs C S C S C S S C S C
Tstms C S C S C S S C S C
$$
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