Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
016
FOUS52 KCHS 241731
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
131 PM EDT Sun Aug 24 2025
SCZ050-250800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
131 PM EDT Sun Aug 24 2025
Date 08/24/25 Mon 08/25/25 Tue 08/26/25 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 89 71 88 68
Temp 84 78 76 74 72 74 84 86 84 80 77 75 72 72 81 84 84 79 75 72 70 70
Dewpt 71 72 71 71 70 71 71 71 72 72 72 71 68 67 66 65 66 67 67 65 63 62
RH 65 82 85 90 93 90 65 61 67 77 85 87 87 84 60 53 55 67 76 79 78 76
Wind dir N S SW W W W W SW SW S SW W NW N NE NE NE NE N N N N
Wind spd 5 2 3 5 4 4 5 5 8 5 4 4 5 5 5 4 4 3 3 5 6 9
Clouds SC SC FW FW CL CL FW SC SC FW FW FW FW FW FW FW FW SC SC SC B1 SC
PoP 12hr 5 20 0 10 5
QPF 12hr 0 0.20 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S
Tstms S
Heat index 91 90
Max heat 90 91 91
Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25
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 85 67 84 69 83 68 84 68 83
Temp 82 76 70 69 82 76 71 71 80 75 71 69 81 76 71 70 81 76
Dewpt 61 64 63 64 63 65 66 66 65 66 65 65 64 65 65 66 66 67
PWind dir NE NE E E E NE NE NE NE
Wind char GN LT LT LT GN LT GN LT GN
Avg clouds FW FW FW SC B1 B1 SC B1 B1 B1 B1 SC SC B1 SC SC B1 B1
PoP 12hr 10 0 20 20 40 30 30 20 40
Rain shwrs S S C C C S S C S C C
Tstms S S S S C
$$
GAZ118-250800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
131 PM EDT Sun Aug 24 2025
Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 72 91 68 90 69
Temp 86 79 76 74 72 73 84 88 87 81 76 73 70 69 80 87 87 80 75 72 70 70
Dewpt 73 73 72 71 71 71 74 74 74 73 72 69 65 64 68 67 66 67 66 65 63 64
RH 65 82 87 90 97 93 72 63 65 77 87 87 84 84 67 52 50 65 74 79 78 81
Wind dir NW S SW SW W W W W S S SW W NW NW N NW NW NW N N N N
Wind spd 5 2 2 2 2 2 3 3 5 3 2 2 3 3 3 3 4 2 2 3 4 5
Clouds SC SC FW FW FW FW FW SC SC SC FW FW FW FW FW SC FW FW SC FW SC SC
PoP 12hr 5 20 0 5 5
QPF 12hr 0 0.03 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S
Tstms S
Heat index 93 91 97 95 90
Max heat 96 97 97 90 91
Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 87 69 86 69 84 68 85 69 86
Temp 84 76 71 70 83 77 71 70 82 76 70 69 83 76 71 70 83 77
Dewpt 66 66 66 66 67 67 67 67 68 67 66 66 67 66 66 67 69 68
PWind dir NE NE E E NE NE NE NE NE
Wind char LT LT LT LT LT LT GN LT GN
Avg clouds FW FW FW SC SC B1 SC SC B1 B1 B1 SC SC B1 SC SC SC B1
PoP 12hr 10 0 30 20 50 30 40 20 40
Rain shwrs C S S C C C S S C S S C
Tstms C S C C S C
$$
SCZ050-250800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
131 PM EDT Sun Aug 24 2025
Date 08/24/25 Mon 08/25/25 Tue 08/26/25 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 73 88 73 88 71
Temp 83 80 77 76 74 75 84 86 84 81 78 77 75 74 81 85 84 80 77 75 73 73
Dewpt 73 74 74 73 72 72 74 75 76 76 75 74 71 70 70 69 70 71 70 68 66 64
RH 72 82 90 90 93 90 72 70 77 85 91 90 87 87 69 59 63 74 79 79 79 73
Wind dir SE S SW W W W W S S SW SW W NW N NE E SE E N N N N
Wind spd 5 3 3 4 4 3 4 6 8 5 4 3 4 5 5 5 4 3 3 4 5 8
Clouds SC SC FW FW FW FW FW SC SC FW FW FW FW FW SC FW FW SC SC SC B1 SC
PoP 12hr 5 20 5 10 10
QPF 12hr 0 0.12 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S
Tstms S
Heat index 91 95 93
Max heat 93 95 94 90
Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25
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 85 71 84 72 82 70 84 71 83
Temp 82 78 73 73 82 77 74 73 80 77 73 72 82 78 74 72 81 78
Dewpt 65 66 66 66 67 68 68 68 69 68 68 67 68 68 68 68 70 70
PWind dir NE NE E E E NE NE NE NE
Wind char GN LT GN LT GN LT GN LT GN
Avg clouds SC FW FW SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1
PoP 12hr 10 5 20 20 40 30 30 20 40
Rain shwrs S S C C C C C C S S C C
Tstms S S S S C
$$
SCZ048-250800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
131 PM EDT Sun Aug 24 2025
Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 72 89 70 88 70
Temp 85 79 76 74 73 74 83 87 86 80 77 75 72 71 81 87 85 79 75 73 71 70
Dewpt 72 73 72 71 71 71 73 74 74 74 73 70 66 66 68 68 67 69 68 66 64 64
RH 65 82 87 90 93 90 72 65 68 82 87 84 81 84 65 53 55 72 79 79 79 81
Wind dir NW SW SW W W W W W S S SW W NW N N N NW N N N N N
Wind spd 4 2 2 2 2 2 3 4 5 3 2 2 3 4 4 3 4 2 2 3 5 6
Clouds SC SC FW CL FW FW FW SC FW SC FW FW FW FW FW FW FW SC SC SC B1 SC
PoP 12hr 5 20 0 5 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 91 95 94 91
Max heat 93 95 94 91 91
Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 85 69 84 69 83 69 84 69 83
Temp 83 76 71 70 83 76 72 71 81 75 71 70 82 76 72 70 83 76
Dewpt 64 66 66 64 67 68 67 67 68 68 66 66 67 67 67 67 68 69
PWind dir NE NE E E E NE NE NE E
Wind char LT LT LT LT LT LT GN LT GN
Avg clouds FW FW FW SC SC B1 SC B1 B1 B1 B1 SC SC B1 SC SC SC B1
PoP 12hr 10 5 20 20 40 30 30 20 40
Rain shwrs S S C C C C S C S S S C
Tstms S S C S C
$$
SCZ043-250800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
131 PM EDT Sun Aug 24 2025
Date 08/24/25 Mon 08/25/25 Tue 08/26/25 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 69 89 66 86 65
Temp 85 79 73 71 69 71 82 87 86 79 73 71 68 69 79 84 84 77 71 68 66 67
Dewpt 69 71 72 70 69 70 72 71 70 71 70 68 65 65 64 64 63 66 65 63 62 61
RH 59 77 97 97100 97 72 59 59 77 90 90 90 87 60 51 49 69 81 84 87 81
Wind dir N SW SW W W W W W SW SW W NW N N NE N N N N N N N
Wind spd 4 2 2 2 2 2 3 5 5 3 2 2 3 4 5 4 4 3 2 3 5 6
Clouds SC SC FW FW FW FW FW SC SC SC FW FW SC SC FW FW FW SC SC SC B1 SC
PoP 12hr 5 10 0 5 5
QPF 12hr 0 0.05 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 93 91
Max heat 90 93 91
Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25
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 83 64 83 66 81 65 82 65 82
Temp 81 74 66 66 82 74 68 68 79 73 67 67 80 73 67 67 80 74
Dewpt 60 63 63 63 62 66 66 67 65 67 65 65 64 66 65 65 66 68
PWind dir NE NE E E NE NE NE NE NE
Wind char LT LT LT LT LT LT LT LT GN
Avg clouds FW FW FW SC B1 B1 B1 B1 B1 B1 SC SC SC B1 SC SC SC B1
PoP 12hr 5 0 20 20 40 20 30 10 40
Rain shwrs S S C C S S C C
Tstms S S S C
$$
GAZ099-250800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
131 PM EDT Sun Aug 24 2025
Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 71 91 65 88 65
Temp 87 81 75 72 72 72 83 88 88 81 74 70 67 66 79 85 85 78 72 69 67 67
Dewpt 70 70 70 70 69 71 71 69 67 66 64 61 58 59 63 63 62 63 62 61 60 59
RH 57 69 84 93 90 97 67 54 50 60 71 73 73 78 58 48 46 60 71 76 78 75
Wind dir NW W W W W W NW W W W W NW NW N N N N N N N N N
Wind spd 3 1 1 1 2 2 3 4 5 2 2 2 2 3 4 4 4 2 2 2 3 4
Clouds SC FW FW FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW SC FW SC FW
PoP 12hr 5 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 92 92 91
Max heat 94 92 93
Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 87 65 86 66 84 65 87 66 86
Temp 83 76 68 67 83 75 69 68 82 75 68 67 83 76 69 67 83 76
Dewpt 62 61 62 62 63 64 65 64 64 64 65 63 63 63 65 64 65 65
PWind dir NE NE E E NE NE NE E NE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW FW FW SC SC SC SC SC SC B1 SC SC SC SC SC SC SC B1
PoP 12hr 0 0 20 20 40 20 20 10 30
Rain shwrs S S S C S S S C
Tstms S C S C
$$
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