Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
917
FOUS52 KCHS 182219
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
619 PM EDT Fri Jul 18 2025
SCZ050-190800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
619 PM EDT Fri Jul 18 2025
Date 07/18/25 Sat 07/19/25 Sun 07/20/25 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 98 79 98 80
Temp 83 80 80 78 80 90 95 94 86 82 81 79 81 91 96 95 87 83 82 80 82
Dewpt 77 77 76 76 76 75 74 74 76 75 76 74 74 74 73 73 74 75 75 74 75
RH 82 91 88 94 88 62 51 53 72 79 85 85 79 58 48 49 65 77 79 82 79
Wind dir SW SW SW SW SW W SW SW SW SW SW SW W W W W SW SW SW W W
Wind spd 9 8 6 6 6 9 10 11 10 9 8 8 8 10 12 12 9 6 5 5 6
Clouds SC SC SC FW FW FW FW SC SC FW FW FW FW FW SC SC SC SC SC SC SC
PoP 12hr 5 10 5 20 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 92 101106105 96 101106105 95 90
Max heat 102 90 106 106 94 106 107 93
Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25
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 97 77 90 75 90 75 91 76 93
Temp 95 84 78 79 87 80 77 77 87 80 77 78 89 81 78 78 91 82
Dewpt 75 76 76 76 75 75 74 74 74 74 74 75 74 74 74 76 74 75
PWind dir W SE E E E E SE S SW
Wind char LT LT LT LT GN LT LT LT LT
Avg clouds SC B1 B1 B1 B1 B2 B1 B1 B1 B2 SC SC B1 B1 FW FW SC B1
PoP 12hr 50 40 80 40 60 20 50 10 30
Rain shwrs C C S C D C C C L S S C C S C
Tstms C C S C D C S C L S S C C S C
$$
GAZ118-190800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
619 PM EDT Fri Jul 18 2025
Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 77 98 79 99 80
Temp 85 81 79 78 79 90 96 96 89 84 81 79 81 91 97 97 90 85 82 80 81
Dewpt 76 76 76 75 75 76 74 72 73 74 73 72 73 75 73 72 74 74 74 73 75
RH 75 85 91 91 88 64 49 46 59 72 77 79 77 60 46 45 60 70 77 79 82
Wind dir S S SW SW W W W SW SW S SW W W W W W W SW W W W
Wind spd 6 5 3 3 3 5 6 9 6 5 4 5 5 8 9 9 5 4 4 4 5
Clouds SC SC FW FW FW FW SC FW FW FW CL FW FW FW SC SC SC SC SC SC FW
PoP 12hr 10 10 0 20 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 94 102107105 97 91 102107106 99 93
Max heat 100 91 107 107 94 107 107 97
Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 99 77 93 76 90 76 91 76 94
Temp 97 87 79 78 91 82 78 78 88 82 78 78 89 83 78 78 92 84
Dewpt 75 76 76 76 77 77 76 76 76 75 75 76 76 75 75 75 75 75
PWind dir W W NE E E E SE S S
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC B1 B2 SC B1 B2 B1 SC B1 B2 SC SC B1 B2 SC FW SC B1
PoP 12hr 40 40 80 40 70 30 60 10 40
Rain shwrs C C C D C S C L C C L C
Tstms C C C D C C L C S L C
$$
SCZ050-190800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
619 PM EDT Fri Jul 18 2025
Date 07/18/25 Sat 07/19/25 Sun 07/20/25 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 79 96 80 97 81
Temp 85 82 81 81 81 90 95 93 87 84 82 81 83 91 95 95 89 85 83 82 83
Dewpt 78 78 78 77 77 77 77 78 78 77 78 76 75 76 76 76 77 78 77 76 76
RH 80 88 91 88 88 66 56 62 75 80 88 85 77 62 54 54 68 80 82 82 80
Wind dir SW SW SW SW SW W SW SW SW SW SW SW W W W SW SW SW SW W W
Wind spd 10 8 6 6 5 8 11 13 10 10 8 6 6 10 11 12 10 8 5 5 5
Clouds SC FW FW FW FW FW FW FW SC FW FW FW FW FW FW SC SC SC SC FW SC
PoP 12hr 5 10 5 20 20
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S
Tstms S S S S
Heat index 97 91 103109108 99 94 91 90103109108101 97 92 91
Max heat 103 93 109 110 96 90 109 110 99 91
Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25
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 97 77 89 78 88 77 89 77 91
Temp 95 86 79 79 87 82 79 79 86 82 79 79 88 83 79 79 90 84
Dewpt 78 78 78 78 78 76 75 76 76 75 76 76 77 76 77 77 77 76
PWind dir SW SE NE E E E SE S SW
Wind char LT LT LT LT GN LT LT LT GN
Avg clouds SC B1 B1 B1 B1 B2 B1 B1 B1 B1 SC SC B1 B1 FW FW SC B1
PoP 12hr 40 50 70 40 50 30 40 10 30
Rain shwrs C C C C L C C C C S C C C S C
Tstms C C C C L C S C C S C C C S C
$$
SCZ048-190800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
619 PM EDT Fri Jul 18 2025
Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 78 96 80 97 80
Temp 83 81 80 78 80 89 94 94 86 83 81 80 81 90 96 95 89 85 82 80 82
Dewpt 78 77 76 76 76 76 76 75 76 77 75 73 74 75 75 74 75 75 74 74 75
RH 85 88 88 94 88 66 56 54 72 82 82 79 79 62 51 51 64 72 77 82 79
Wind dir S S SW SW W W W SW S SW SW W W W W W SW SW W W W
Wind spd 6 5 4 4 4 5 6 9 6 5 5 5 5 9 9 9 5 4 4 5 5
Wind gust 17
Clouds SC SC FW FW FW FW SC FW FW FW CL FW FW FW FW SC SC SC SC FW FW
PoP 12hr 10 10 0 10 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs
Tstms
Heat index 93 100107106 96 92 101108106 99 94
Max heat 102 91 107 108 94 108 107 96
Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 97 77 91 76 88 76 89 76 92
Temp 95 85 79 79 89 80 78 78 86 80 78 78 88 81 78 78 90 82
Dewpt 77 78 77 77 78 76 75 75 76 76 75 76 77 75 76 76 77 76
PWind dir W NW E E E E SE S S
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC B1 B1 SC B1 B2 B1 B1 B1 B2 SC SC B1 B1 FW FW SC B1
PoP 12hr 40 40 70 40 60 20 50 10 30
Rain shwrs C C C L C C C L S S C C C
Tstms C C C L C C L S S C C
$$
SCZ043-190800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
619 PM EDT Fri Jul 18 2025
Date 07/18/25 Sat 07/19/25 Sun 07/20/25 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 95 77 96 77
Temp 83 79 77 75 77 90 94 93 87 81 79 77 79 89 94 94 86 82 79 77 80
Dewpt 75 76 75 74 75 75 73 72 73 74 73 72 74 74 73 72 74 74 74 73 76
RH 77 91 94 97 94 62 51 51 63 79 82 85 85 61 51 49 68 77 85 87 88
Wind dir S S SW SW SW W W SW SW SW SW W W W W W W SW W W W
Wind spd 5 4 3 3 4 6 8 9 5 5 4 5 5 9 10 9 5 3 3 3 4
Clouds B1 SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC FW
PoP 12hr 5 10 0 20 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 90 101103101 94 98103102 94
Max heat 98 105 104 90 103 104 91
Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25
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 95 75 90 73 87 72 89 73 91
Temp 93 84 76 77 88 79 74 75 86 79 74 76 87 80 74 76 90 81
Dewpt 75 76 76 76 76 76 74 75 74 75 74 75 75 75 74 76 75 75
PWind dir NW N NE E E E SE S SW
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC B1 B1 B1 B1 B2 B1 SC B1 B2 SC FW B1 B1 SC FW SC B1
PoP 12hr 50 40 80 40 60 20 50 10 30
Rain shwrs C C C D C S C L S C C C
Tstms C C C D C S L S S C C
$$
GAZ099-190800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
619 PM EDT Fri Jul 18 2025
Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 75 97 77 98 77
Temp 87 80 78 76 77 88 95 94 89 83 80 77 79 89 96 94 89 84 81 78 80
Dewpt 73 73 73 72 74 75 72 71 72 71 71 71 74 75 72 72 73 72 73 73 74
RH 63 79 85 87 90 66 48 47 57 67 74 82 85 64 46 49 59 67 77 85 82
Wind dir S SW SW SW W W W SW SW SW W W W W W W W W W W W
Wind spd 3 2 2 2 2 5 6 6 4 2 2 3 4 6 9 8 4 3 2 3 4
Clouds SC FW FW FW FW FW FW FW FW FW FW CL FW CL SC SC SC SC SC FW FW
PoP 12hr 10 10 0 20 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 94 98104101 96 99105102 97 90
Max heat 98 104 104 91 105 105 94
Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 99 76 94 73 91 73 91 73 95
Temp 96 86 78 78 92 83 75 75 89 82 75 75 89 83 75 76 93 85
Dewpt 74 75 75 76 76 76 74 74 75 74 74 75 74 75 74 75 73 74
PWind dir NW NW NE E E E E S S
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW B1 B1 SC SC B2 B1 SC B1 B2 SC SC SC B1 SC FW FW B1
PoP 12hr 40 40 80 40 70 20 50 10 30
Rain shwrs C C S D C S C L S S C C
Tstms C C S D C S L S S C C
$$
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