Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
571
FOUS52 KCHS 152135
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
534 PM EDT Fri Aug 15 2025
SCZ050-160800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
534 PM EDT Fri Aug 15 2025
Date 08/15/25 Sat 08/16/25 Sun 08/17/25 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 76 91 75 91 73
Temp 83 80 79 77 78 87 90 89 83 79 77 75 76 85 89 89 83 78 76 74 75
Dewpt 77 77 76 75 76 77 77 77 77 76 76 75 75 74 72 73 73 73 73 72 72
RH 82 91 91 94 94 72 66 68 82 91 97100 97 70 57 59 72 85 90 93 90
Wind dir S S NW N N NE E SE E E N N N NE NE E SE SE W NW N
Wind spd 3 2 1 2 3 5 5 5 2 2 2 4 5 8 8 8 5 2 2 2 4
Clouds SC SC SC SC SC SC B1 B1 SC SC FW SC FW FW B1 B1 FW CL CL FW FW
PoP 12hr 20 60 10 30 5
QPF 12hr 0.04 0.66 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C S S C C
Tstms S S C C S S C C
Heat index 92 99103102 92 93 96 97
Max heat 102 90 103 103 96 97
Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25
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 75 90 74 91 74 89 74 88
Temp 92 83 77 76 88 83 76 75 89 82 76 76 89 82 76 76 86 81
Dewpt 72 74 73 74 73 74 72 70 71 72 72 72 73 73 72 72 73 74
PWind dir NE E NE NE NE W NE E E
Wind char LT LT GN LT GN LT LT LT LT
Avg clouds FW FW FW FW FW SC FW FW FW SC FW SC SC B1 B1 B1 B1 B2
PoP 12hr 10 5 20 5 20 20 40 40 60
Rain shwrs S S S S C C C C L
Tstms S S S S C C C C L
$$
GAZ118-160800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
534 PM EDT Fri Aug 15 2025
Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 77 92 74 90 73
Temp 85 81 80 78 79 89 92 88 82 78 77 74 76 85 90 89 83 78 75 73 74
Dewpt 78 78 77 76 77 78 77 77 76 76 75 74 75 76 74 73 73 72 72 71 72
RH 80 91 91 94 94 70 62 70 82 94 94100 97 75 60 59 72 82 90 93 93
Wind dir S S W NE NE NE E E E E NE N N NE E E SE SE E N N
Wind spd 2 1 1 1 2 3 3 4 2 1 1 2 3 5 5 5 3 2 1 2 3
Clouds SC SC SC SC SC SC B2 B1 B2 B1 SC SC SC SC B1 B1 FW FW CL FW FW
PoP 12hr 20 60 20 40 5
QPF 12hr 0 0.68 0.01 0.05 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C L C S S S S C C
Tstms S C L C S S S S C C
Heat index 97 103106100 94 99 97
Max heat 106 93 107 106 99 98
Heat
Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 93 74 92 74 92 74 92 74 89
Temp 92 83 76 76 92 84 76 75 91 85 77 76 92 82 77 76 89 81
Dewpt 72 73 73 73 73 72 72 71 72 73 71 72 74 74 73 73 75 74
PWind dir NE E NE NE NE SW N E E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW FW FW CL FW SC FW CL FW SC FW FW FW B1 B1 SC B1 B2
PoP 12hr 10 5 20 5 20 10 40 30 60
Rain shwrs S S C C S L
Tstms S S C C S L
$$
SCZ050-160800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
534 PM EDT Fri Aug 15 2025
Date 08/15/25 Sat 08/16/25 Sun 08/17/25 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 77 90 76 89 75
Temp 83 81 80 78 79 87 90 88 83 80 78 76 77 84 89 88 82 79 77 75 76
Dewpt 78 78 77 77 78 77 77 78 77 76 76 75 76 74 73 73 73 73 74 73 73
RH 85 91 91 97 97 72 66 72 82 88 94 97 97 72 59 61 74 82 90 94 90
Wind dir S S W NW N NE E E E E N N N NE E E E SE NE N N
Wind spd 3 2 2 2 3 4 5 5 3 2 2 3 5 8 9 9 5 2 2 3 4
Clouds SC SC SC SC SC B1 B1 B1 SC SC FW FW SC SC B1 B1 FW CL FW FW CL
PoP 12hr 20 50 20 30 5
QPF 12hr 0 0.46 0.01 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C S S S S C C
Tstms C C C S S S S C C
Heat index 93 99103101 91 91 97 96
Max heat 105 93 103 103 97 97
Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25
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 89 74 89 75 89 75 87
Temp 91 83 78 77 88 83 77 75 89 82 78 77 89 83 77 77 86 81
Dewpt 74 75 74 75 74 74 74 72 72 73 73 73 73 74 73 73 74 75
PWind dir E NE NE NE NE W NE E E
Wind char LT LT GN LT GN LT LT LT LT
Avg clouds FW FW FW FW FW SC FW FW FW SC FW SC SC B1 B1 B1 B1 B1
PoP 12hr 10 10 20 10 20 20 40 40 50
Rain shwrs S S S S C C C C C
Tstms S S S S C C C C C
$$
SCZ048-160800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
534 PM EDT Fri Aug 15 2025
Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 76 90 75 90 73
Temp 83 80 79 77 78 87 90 88 82 79 77 75 76 84 89 88 81 78 76 74 75
Dewpt 78 78 77 76 76 78 77 77 76 76 75 75 75 75 74 73 73 73 73 72 72
RH 85 94 94 97 94 75 66 70 82 91 94100 97 74 61 61 77 85 90 93 90
Wind dir SE SW N N N NE E E E E NE N N NE E E SE SE SE N N
Wind spd 2 1 1 1 2 3 3 3 2 1 1 2 4 5 5 5 3 2 1 2 3
Clouds SC SC FW SC SC SC B2 B1 B1 B1 SC SC SC FW B1 B1 FW FW CL FW FW
PoP 12hr 20 60 20 30 5
QPF 12hr 0 0.20 0.06 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S L C S S C C
Tstms S S L C S S C C
Heat index 93 100103100 92 98 96
Max heat 105 103 102 98 97
Heat
Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 91 74 90 74 91 75 90 74 87
Temp 91 82 77 76 89 82 76 75 90 82 77 76 89 81 76 76 87 81
Dewpt 73 73 73 73 73 73 72 71 71 73 72 72 73 73 73 73 74 74
PWind dir E E NE NE NE S E E E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW FW FW FW FW SC FW CL FW SC FW FW SC B1 B1 SC B1 B1
PoP 12hr 10 5 20 5 20 10 40 40 50
Rain shwrs S S C C S C C
Tstms S S C C S C C
$$
SCZ043-160800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
534 PM EDT Fri Aug 15 2025
Date 08/15/25 Sat 08/16/25 Sun 08/17/25 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 90 72 90 71
Temp 82 78 76 75 77 86 90 89 82 77 74 73 74 84 89 90 82 76 73 72 73
Dewpt 77 77 76 74 76 77 76 75 76 75 74 73 74 74 72 71 72 72 71 70 71
RH 85 97100 97 97 75 64 64 82 94100100100 72 57 54 72 87 93 93 93
Wind dir S N N N N NE NE E E S N N N NE NE E SE S S NW N
Wind spd 2 0 0 1 2 4 4 3 2 1 1 2 3 5 5 5 2 1 1 1 2
Clouds SC SC SC FW SC FW B1 B1 B1 SC SC SC SC FW SC SC FW FW FW FW FW
PoP 12hr 20 50 10 20 0
QPF 12hr 0 0.13 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C S S
Tstms S S C C S S
Heat index 90 97102 99 91 96 96
Max heat 101 102 102 96 97
Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25
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 72 89 71 89 72 88 72 85
Temp 91 82 74 74 89 81 73 73 89 82 74 74 88 81 74 74 85 79
Dewpt 72 73 72 72 72 72 71 70 70 72 70 71 73 72 71 72 73 73
PWind dir NE E NE NE NE SW N E E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW FW FW FW FW SC FW FW FW SC SC SC SC B1 B1 B1 B1 B2
PoP 12hr 10 5 20 5 20 10 40 40 60
Rain shwrs S S C C S S L
Tstms S S C C S S L
$$
GAZ099-160800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
534 PM EDT Fri Aug 15 2025
Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 76 93 74 92 71
Temp 86 80 78 76 77 88 93 90 82 77 75 74 75 85 91 91 83 76 74 72 73
Dewpt 75 75 75 75 75 76 75 74 75 74 74 74 74 74 72 71 72 72 71 70 70
RH 70 85 91 97 94 68 56 60 79 90 97100 97 70 54 52 70 87 90 93 90
Wind dir N NE N NE NE NE NE NE SE E E NE N NE NE E E SE N W N
Wind spd 1 1 1 1 2 3 4 3 2 1 1 1 2 4 5 4 2 1 0 1 1
Clouds SC B1 FW SC SC SC B1 B1 B1 SC SC SC SC FW B1 B1 FW FW CL CL FW
PoP 12hr 20 50 20 30 5
QPF 12hr 0 0.27 0.03 0.01 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C S S C C
Tstms S S C C S S C C
Heat index 95 99105 99 93 99 98
Max heat 102 91 105 105 99 99
Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 93 73 92 72 93 73 92 72 89
Temp 93 84 74 74 91 84 74 73 91 85 75 75 91 81 74 73 88 80
Dewpt 70 72 71 72 71 71 70 70 71 71 71 71 72 73 72 71 73 73
PWind dir NE E NE E N SW NW E E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW FW FW CL FW FW FW CL FW FW FW FW SC B1 B1 SC B1 B1
PoP 12hr 10 5 10 5 10 10 40 30 50
Rain shwrs C C S C
Tstms C C S C
$$
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