Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
425
FOUS52 KCHS 162209
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
609 PM EDT Wed Jul 16 2025
SCZ050-170800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
609 PM EDT Wed Jul 16 2025
Date 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat
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 93 77 96 77
Temp 81 79 78 78 79 87 91 89 82 79 79 77 79 88 93 91 84 80 79 77 80
Dewpt 75 76 75 75 76 75 74 74 74 75 76 76 76 75 74 75 75 75 76 75 76
RH 82 91 91 91 91 68 58 61 77 88 91 97 91 66 54 60 74 85 91 94 88
Wind dir S S S S S SW S S S S S SW SW SW SW S S SW SW SW W
Wind spd 10 9 8 6 8 10 12 13 11 9 6 6 6 8 9 11 10 8 6 6 6
Clouds SC SC FW SC SC SC SC SC FW FW FW FW FW FW B1 B1 SC FW FW FW FW
PoP 12hr 5 20 0 30 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S C C
Tstms S S S C C
Heat index 96101 98 98103102 92
Max heat 95 101 102 103 103
Date 07/19 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25
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 78 98 78 96 77 92 76 92
Temp 95 85 80 80 96 85 80 80 94 83 79 79 88 81 77 78 90 82
Dewpt 74 76 76 76 74 76 76 75 75 77 77 76 76 77 75 75 75 75
PWind dir SW SW W SW SW SE NE E E
Wind char GN GN GN LT LT LT LT LT LT
Avg clouds FW SC SC FW FW B1 SC SC SC B2 B1 B1 B1 B2 B1 SC B1 B1
PoP 12hr 20 10 30 20 50 40 60 30 50
Rain shwrs S C S S C C S C L C S C C
Tstms S C S S C C S C L C S C C
$$
GAZ118-170800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
609 PM EDT Wed Jul 16 2025
Date 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 77 93 77 96 77
Temp 83 79 78 78 79 87 91 91 83 80 79 77 79 89 94 92 85 81 79 77 79
Dewpt 75 76 76 75 76 76 75 74 75 76 76 76 76 77 75 75 75 75 75 74 75
RH 77 91 94 91 91 70 60 58 77 88 91 97 91 68 54 58 72 82 88 90 88
Wind dir SE S S S S S S S S S S S SW SW S S S S SW SW W
Wind spd 10 8 5 5 5 8 10 11 10 6 4 3 3 4 6 8 6 5 4 3 4
Clouds FW SC FW FW FW SC SC SC SC FW FW FW FW FW B1 B1 SC FW CL CL FW
PoP 12hr 5 20 0 30 0
QPF 12hr 0 0 0 0.01 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C
Tstms S S C C
Heat index 90 98102101 90 102106103 94
Max heat 98 102 102 106 106 90
Date 07/19 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 98 79 99 79 98 77 94 77 94
Temp 96 88 81 81 97 88 81 81 96 86 79 79 92 83 79 79 92 84
Dewpt 74 75 75 74 73 75 74 75 75 76 76 77 77 77 77 76 77 76
PWind dir W SW W SW W SW NE E E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW SC SC CL FW B1 SC FW SC B2 B1 SC B1 B2 B1 SC SC B2
PoP 12hr 20 5 30 20 60 30 70 30 60
Rain shwrs S C S S L C S L C S L
Tstms S C S S L C S L C S L
$$
SCZ050-170800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
609 PM EDT Wed Jul 16 2025
Date 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat
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 91 79 93 78
Temp 83 81 81 80 81 87 90 89 83 81 80 79 81 88 92 91 84 82 80 79 81
Dewpt 76 77 77 77 77 77 77 76 76 77 77 77 78 78 78 78 77 77 77 76 78
RH 80 88 88 91 88 72 66 66 80 88 91 94 91 72 64 66 80 85 91 91 91
Wind dir S S S S SW S S S S S SW SW SW SW S S SW SW SW SW W
Wind spd 10 9 8 8 8 10 12 13 10 9 6 6 6 8 11 12 10 8 6 5 5
Clouds SC SC FW FW SC SC SC FW FW SC FW FW SC SC SC SC SC FW FW FW FW
PoP 12hr 10 20 0 20 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S S S
Tstms S S S S S S
Heat index 91 99103100 91 101107106 94 90
Max heat 98 103 103 107 107 92
Date 07/19 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25
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 96 79 97 80 95 77 90 78 91
Temp 94 86 82 82 95 86 82 82 93 84 79 80 88 82 80 80 89 83
Dewpt 77 78 78 77 78 78 77 76 78 78 78 78 79 78 77 77 79 76
PWind dir SW SW SW SW SW SE E E E
Wind char GN LT GN LT GN LT LT LT GN
Avg clouds FW SC SC FW SC SC B1 SC SC B1 B2 B1 B1 B2 B1 B1 B1 B1
PoP 12hr 20 10 20 20 50 50 60 40 50
Rain shwrs S S S S C C C C L C C C C
Tstms S S S S C C C C L C C C C
$$
SCZ048-170800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
609 PM EDT Wed Jul 16 2025
Date 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 77 91 77 93 78
Temp 81 79 78 78 79 86 90 89 82 80 79 77 79 88 92 91 84 81 79 78 80
Dewpt 76 77 76 76 76 77 76 76 76 77 76 76 77 77 77 77 76 76 76 75 76
RH 85 94 94 94 91 75 64 66 82 91 91 97 94 70 62 64 77 85 91 91 88
Wind dir S S S S S S S S S S S SW SW SW S S S SW SW SW W
Wind spd 9 6 5 5 5 8 10 10 9 5 5 4 4 5 6 8 6 5 4 4 4
Wind gust 19 19
Clouds SC FW FW SC FW SC SC FW FW FW FW FW FW FW SC SC FW FW FW CL FW
PoP 12hr 5 20 0 20 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S S
Tstms S S S S
Heat index 97102100 100106105 93
Max heat 94 102 102 106 106 90
Date 07/19 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 96 79 97 78 96 77 91 77 92
Temp 94 86 81 81 95 87 80 80 94 84 79 79 89 82 78 79 90 82
Dewpt 76 77 76 75 75 76 75 76 77 77 76 77 78 78 77 76 78 77
PWind dir SW SW W SW W SW NE E E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW SC FW FW FW SC SC FW SC B1 B1 B1 B1 B2 B1 SC SC B1
PoP 12hr 20 5 20 20 50 40 60 30 50
Rain shwrs S S S C C S C L C S S C
Tstms S S S C C S C L C S S C
$$
SCZ043-170800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
609 PM EDT Wed Jul 16 2025
Date 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat
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 91 74 93 75
Temp 80 76 75 74 77 86 90 89 82 78 76 74 77 87 92 91 84 79 77 75 77
Dewpt 74 75 75 74 76 75 74 73 74 75 75 74 76 75 74 74 75 75 75 74 76
RH 82 97100100 97 70 60 59 77 91 97100 97 68 56 58 74 88 94 97 97
Wind dir S S S S S S S S S S S SW SW SW SW S S S SW SW W
Wind spd 8 5 4 3 4 6 9 10 8 5 4 3 4 5 5 6 5 4 3 3 3
Clouds FW FW SC FW FW SC SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW
PoP 12hr 5 20 0 30 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C
Tstms S S C C
Heat index 95 99 97 96102101 92
Max heat 93 99 99 102 101
Date 07/19 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25
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 76 96 76 94 75 90 74 91
Temp 94 85 78 78 95 85 78 78 93 82 76 77 88 80 75 76 89 81
Dewpt 73 74 75 75 74 75 74 75 75 77 76 76 76 77 75 75 75 76
PWind dir W SW W SW W SE NE E E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW SC SC FW FW B1 SC FW SC B2 B1 B1 B1 B2 B1 SC SC B1
PoP 12hr 20 10 30 20 60 40 60 30 50
Rain shwrs S C S L C C L C S C
Tstms S C S L C C L C S C
$$
GAZ099-170800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
609 PM EDT Wed Jul 16 2025
Date 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 73 94 74 96 75
Temp 85 79 76 75 76 86 92 92 87 80 76 74 76 88 94 94 86 80 77 75 78
Dewpt 73 73 73 74 74 74 73 72 74 74 74 74 75 75 73 73 74 74 74 73 75
RH 67 82 90 97 94 68 54 52 65 82 94100 97 66 51 51 68 82 90 94 91
Wind dir SE SE S S S S S S S S S S SW SW SW S SW SW SW SW W
Wind spd 6 5 2 2 2 4 5 5 4 3 2 2 2 3 4 4 2 2 2 2 2
Wind gust 17
Clouds SC FW FW FW FW FW FW SC SC FW FW FW FW FW B1 B1 SC SC FW CL FW
PoP 12hr 5 20 5 30 5
QPF 12hr 0 0 0 0.01 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C
Tstms S S C C
Heat index 92 94101100 95 98103103 94
Max heat 97 101 101 90 103 105 91
Date 07/19 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 98 77 99 77 99 75 95 75 94
Temp 96 89 79 79 97 90 79 79 96 87 78 77 93 84 77 77 92 84
Dewpt 73 72 72 73 71 72 73 74 73 73 75 75 74 76 75 75 75 76
PWind dir W W W W W N NE NE E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW SC FW FW FW B1 SC SC FW B1 B1 SC SC B2 B1 B1 SC B2
PoP 12hr 20 5 30 20 50 40 60 40 60
Rain shwrs S C S C C S L C S L
Tstms S C S C C S L C S L
$$
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