Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
757
FOUS52 KCHS 230111
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
911 PM EDT Fri Aug 22 2025
SCZ050-230800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
911 PM EDT Fri Aug 22 2025
Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon
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 73 81 72 86 72
Temp 76 75 75 75 77 79 79 76 74 74 72 74 80 84 83 78 76 74 73 74
Dewpt 73 73 73 73 72 73 72 73 72 72 72 72 73 72 73 73 73 73 72 72
RH 90 94 94 94 85 82 79 90 93 93100 93 79 67 72 85 90 97 97 93
Wind dir E NE NE NE NE NE E NE NE NE N N N N SW SW W W W W
Wind spd 5 5 6 8 10 11 10 8 5 4 5 5 5 5 5 3 2 2 3 4
Clouds B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 SC SC FW FW
PoP 12hr 70 80 60 60 10
QPF 12hr 0.36 1.20 0.12 0.28 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C L L C D D C L L C C C C L L
Tstms C L L C C L C C C C C S C L L
Heat index 90
Max heat 90 90
Flood A A A A A A A A A
Date 08/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25
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 72 88 69 84 67 84 67 82
Temp 88 81 75 72 86 78 73 70 82 76 70 69 81 75 70 69 80 74
Dewpt 71 73 72 68 67 68 66 63 62 64 64 63 61 63 64 64 63 65
PWind dir W W NE N NE NE NE NE NE
Wind char LT LT LT LT GN LT GN LT GN
Avg clouds FW B1 FW FW FW SC SC SC SC SC SC FW SC SC SC SC SC B1
PoP 12hr 30 5 20 10 20 10 20 10 30
Rain shwrs C S S S S C
Tstms C S S S C
$$
GAZ118-230800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
911 PM EDT Fri Aug 22 2025
Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 74 83 72 86 72
Temp 75 75 74 74 78 81 81 76 74 74 72 73 80 84 84 79 75 74 73 74
Dewpt 74 74 74 73 76 76 75 74 74 73 72 73 76 75 75 74 74 73 72 73
RH 97 97100 97 94 85 82 94100 97100100 88 74 74 85 97 97 97 97
Wind dir E NE NE NE E E E NE NE N N NW N NW W W W W W W
Wind spd 2 2 3 4 5 5 6 4 2 2 2 3 4 3 4 2 2 2 2 2
Clouds B2 B2 B1 B2 B2 B2 OV OV B2 B2 B1 B2 B1 B2 B2 B1 SC FW FW FW
PoP 12hr 80 80 50 70 10
QPF 12hr 0.43 0.60 0.09 0.25 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C L L D D C C S S S S L L
Tstms C C C C C D L C S S S S C L
Heat index 92 92
Max heat 92 94
Flood A A A A A A A A A
Date 08/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 91 69 90 69 86 68 84 67 83
Temp 89 81 74 70 88 80 73 70 84 76 70 69 83 76 70 69 81 74
Dewpt 74 73 70 67 68 68 66 64 66 66 65 64 65 64 64 65 65 66
PWind dir W W N N NE NE E NE NE
Wind char LT LT LT LT LT LT GN LT GN
Avg clouds FW B1 FW FW FW FW SC SC SC B1 SC FW SC B1 SC SC SC B1
PoP 12hr 30 5 20 5 30 10 30 10 30
Rain shwrs C S C C C
Tstms C S C C C
$$
SCZ050-230800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
911 PM EDT Fri Aug 22 2025
Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon
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 80 74 85 74
Temp 78 77 76 75 78 79 79 78 76 75 74 75 80 83 83 80 77 76 75 76
Dewpt 76 75 75 75 76 76 76 75 74 75 74 74 76 76 76 75 75 75 74 74
RH 94 94 97100 94 91 91 91 94100100 97 88 80 80 85 94 97 97 94
Wind dir E E NE E NE E NE NE E NE N N N N S SW W W W W
Wind spd 6 5 6 8 10 11 11 9 5 4 4 5 5 5 5 3 2 2 3 3
Clouds B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 SC SC SC FW
PoP 12hr 80 80 70 60 20
QPF 12hr 0.76 1.29 0.15 0.21 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs L D L L D D L L L C C C C L L S S
Tstms L D L C L L L C C C C S C L L S S
Heat index 91 91
Max heat 91 91
Flood A A A A A A A A A
Date 08/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25
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 87 71 84 70 83 70 81
Temp 87 81 77 74 85 80 75 72 82 77 73 72 81 77 73 71 79 75
Dewpt 75 76 75 70 71 71 68 65 66 67 66 65 65 66 66 66 67 68
PWind dir SW W NE N NE NE NE NE NE
Wind char LT LT LT LT GN LT GN LT GN
Avg clouds FW B1 FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr 30 10 20 10 20 10 20 20 30
Rain shwrs C S S S S S S S C
Tstms C S S S S S S C
$$
SCZ048-230800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
911 PM EDT Fri Aug 22 2025
Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 74 81 72 85 73
Temp 76 76 74 74 78 79 79 76 74 74 72 73 80 84 83 78 76 74 73 74
Dewpt 74 74 74 74 76 76 75 74 74 73 72 73 75 75 74 75 74 73 73 73
RH 94 94100100 94 91 88 94100 97100100 85 74 74 91 94 97100 97
Wind dir E E NE NE E NE NE NE NE NE N N N NW SW SW W W W W
Wind spd 4 3 5 5 8 8 8 5 3 2 3 4 4 4 4 2 2 2 2 2
Wind gust 18
Clouds B2 B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 SC SC FW FW
PoP 12hr 70 90 50 60 10
QPF 12hr 0.61 0.28 0.17 0.24 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C L L D D D L C C C C C C L L
Tstms C L L C C D L C S S S C C L
Heat index 92 90
Max heat 92 92
Flood A A A A A A A A A
Date 08/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 89 72 88 71 84 68 83 68 81
Temp 88 81 75 72 87 79 73 71 83 76 71 69 81 75 71 69 79 73
Dewpt 74 74 72 68 70 69 67 64 66 66 65 63 64 64 64 64 65 66
PWind dir W W N N NE NE E NE NE
Wind char LT LT LT LT LT LT GN LT GN
Avg clouds FW B1 FW FW FW FW FW SC SC SC SC FW SC SC SC SC SC B1
PoP 12hr 30 5 20 5 20 10 20 10 30
Rain shwrs C S S S C
Tstms C S S S C
$$
SCZ043-230800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
911 PM EDT Fri Aug 22 2025
Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon
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 71 78 69 84 70
Temp 73 73 72 73 76 77 76 73 72 71 70 71 78 82 82 76 73 71 71 72
Dewpt 73 73 72 73 73 73 73 73 72 71 70 71 73 73 73 73 73 71 70 72
RH 100100100100 90 87 90100100100100100 85 74 74 90100100 97100
Wind dir E NE NE NE NE NE NE NE NE NE N N N N NW W SW W W W
Wind spd 2 2 4 5 8 8 8 5 2 2 3 3 5 4 3 2 1 1 1 2
Clouds B2 B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 B2 B2 SC FW FW SC SC
PoP 12hr 60 80 40 60 5
QPF 12hr 0.15 0.20 0.10 0.21 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C L D C C C S S S S L L
Tstms C C C C C L C C S S S C C
Flood A A A A A A A A A
Date 08/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25
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 68 86 66 81 63 82 64 81
Temp 87 79 72 69 84 77 68 68 80 73 66 65 80 73 66 66 79 72
Dewpt 71 72 70 66 65 67 64 62 61 64 63 63 61 63 62 63 62 65
PWind dir W W N N NE NE NE NE NE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW SC FW FW FW SC SC SC SC SC SC FW SC SC SC SC SC SC
PoP 12hr 30 5 10 5 20 5 20 5 20
Rain shwrs C S S S
Tstms C S S S
$$
GAZ099-230800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
911 PM EDT Fri Aug 22 2025
Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 72 83 71 87 71
Temp 74 73 73 73 77 81 80 76 73 72 71 72 78 85 85 80 75 73 72 72
Dewpt 73 73 73 73 74 73 73 72 72 72 71 71 73 73 73 73 72 72 71 71
RH 97100100100 90 77 79 87 97100100 97 85 67 67 79 90 97 97 97
Wind dir E E NE NE E E NE E NE NE N N N N NW SW SW W W W
Wind spd 2 2 2 2 5 5 5 3 2 2 2 2 3 3 2 2 1 1 2 2
Clouds B2 B2 B2 B2 B2 B2 OV B2 B2 B1 B1 B1 B1 B1 B1 SC FW FW FW SC
PoP 12hr 60 90 30 50 10
QPF 12hr 0.23 0.42 0.26 0.15 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C C D D C C C C
Tstms C C C S C L L C S C C
Heat index 92 92
Max heat 92 93
Flood A A A A A A A A A
Date 08/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 91 66 88 66 84 65 84 64 82
Temp 89 81 71 67 86 78 70 67 82 76 68 66 82 75 67 66 80 73
Dewpt 71 69 64 61 64 64 62 60 62 63 62 61 62 62 62 62 62 62
PWind dir W NW N N NE NE E E NE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW FW CL CL FW FW FW SC SC SC FW FW FW SC SC SC SC SC
PoP 12hr 10 0 5 5 10 5 10 5 20
Rain shwrs S
Tstms S
$$
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