Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
454
FOUS52 KCHS 190237
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
1037 PM EDT Wed Jun 18 2025
SCZ050-190800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
1037 PM EDT Wed Jun 18 2025
Date 06/18/25 Thu 06/19/25 Fri 06/20/25 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 76 94 76 92 74
Temp 80 79 77 80 88 91 89 82 80 78 76 78 86 89 87 81 78 76 74 77
Dewpt 75 74 74 74 73 72 74 74 75 75 74 73 73 72 73 74 74 75 74 74
RH 85 85 90 82 61 54 61 77 85 91 94 85 65 57 63 79 88 97100 90
Wind dir S SW SW SW SW SW S S SW SW SW W W SW S S S S SW S
Wind spd 10 9 8 10 10 12 14 13 10 9 6 5 5 5 6 5 3 2 2 2
Clouds SC FW SC FW FW SC SC FW FW SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr 20 20 50 50 30
QPF 12hr 0 0.03 0.02 0.19 0.17
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C C C S S C C C C S S C
Tstms S S C C C C C C C C S S
Heat index 96 99 98 93 96 94
Max heat 100 101 96 96
Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25
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 91 75 93 74 95 74 95 74 93
Temp 88 82 77 78 90 82 76 78 92 86 77 77 92 83 76 77 91 82
Dewpt 73 73 75 74 71 73 74 74 71 73 74 74 71 73 74 73 71 73
PWind dir SE S S SW SW SW S SW E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC FW FW FW FW CL CL FW FW FW FW FW FW FW FW FW SC
PoP 12hr 30 5 10 0 10 10 20 10 20
Rain shwrs C C S S
Tstms C S S
$$
GAZ118-190800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
1037 PM EDT Wed Jun 18 2025
Date 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 75 93 75 93 75
Temp 80 77 75 77 87 91 91 84 80 77 75 77 86 91 88 82 78 77 75 77
Dewpt 74 73 72 74 75 74 74 75 75 74 73 75 75 75 75 76 76 75 74 75
RH 82 87 90 90 68 58 58 74 85 90 94 94 70 60 66 82 94 94 97 94
Wind dir S S S SW SW SW SW S S SW SW W W W S S S S S S
Wind spd 8 6 5 5 6 8 10 8 6 4 3 3 4 4 5 5 3 2 2 2
Clouds SC SC FW FW SC SC SC FW SC SC FW SC SC B1 B1 SC SC FW SC SC
PoP 12hr 20 30 40 50 30
QPF 12hr 0 0.05 0.04 0.06 0.06
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C C S S C C C C S
Tstms S C C C C C C C C
Heat index 96101101 92 95102 98
Max heat 102 101 102 102
Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 92 74 93 74 94 74 94 73 93
Temp 90 82 76 77 91 83 76 76 92 86 77 77 92 83 76 76 91 84
Dewpt 75 75 74 74 74 74 74 74 75 73 74 74 75 74 74 75 75 74
PWind dir SE S SE S E SW E S E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC FW FW FW FW FW CL FW FW FW FW FW FW SC FW FW SC
PoP 12hr 40 5 20 0 10 5 20 10 30
Rain shwrs S C S S C
Tstms C S S C
$$
SCZ050-190800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
1037 PM EDT Wed Jun 18 2025
Date 06/18/25 Thu 06/19/25 Fri 06/20/25 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 78 90 78 90 77
Temp 80 79 78 81 88 89 88 83 81 79 78 79 87 89 87 82 79 78 77 78
Dewpt 75 75 75 76 78 77 77 77 77 77 76 75 77 77 77 77 77 76 75 76
RH 85 88 91 85 72 68 70 82 88 94 94 88 72 68 72 85 94 94 94 94
Wind dir SW SW SW SW SW S SW S SW SW SW W W SW S S S SW SW SW
Wind spd 11 10 10 10 11 13 16 12 11 10 6 5 5 8 9 5 4 3 2 3
Clouds SC FW FW FW SC SC SC FW SC SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr 20 10 50 50 40
QPF 12hr 0 0 0.03 0.13 0.19
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C C C C C C C C C C
Tstms C C C C C C C C S S S
Heat index 102102100 92 98101 99 90
Max heat 105 105 90 102 102
Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25
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 89 77 90 77 91 77 91 77 90
Temp 87 82 78 79 88 83 78 78 90 85 78 78 90 83 78 78 88 83
Dewpt 77 76 76 76 76 75 76 76 76 76 76 75 76 77 75 75 77 75
PWind dir S S S SW SW SW S SW SE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC FW FW SC FW FW CL FW FW FW FW FW FW FW FW FW FW
PoP 12hr 30 5 10 5 5 10 20 10 20
Rain shwrs C S S S S S
Tstms S S S S S S
$$
SCZ048-190800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
1037 PM EDT Wed Jun 18 2025
Date 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 76 92 75 91 75
Temp 80 79 77 79 88 91 89 84 80 78 75 78 86 90 87 82 79 77 75 77
Dewpt 75 74 73 74 75 75 77 76 75 75 73 75 75 75 76 76 76 75 74 75
RH 85 85 87 85 66 60 68 77 85 91 94 91 70 62 70 82 91 94 97 94
Wind dir S S SW SW SW SW S S S SW SW W W SW S S S S SW SE
Wind spd 8 8 6 6 8 9 11 10 8 5 4 4 4 5 5 4 2 2 2 2
Clouds SC SC FW FW SC SC SC FW SC SC SC SC SC SC SC SC SC FW FW SC
PoP 12hr 20 20 40 50 30
QPF 12hr 0 0.02 0.03 0.05 0.10
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S C C C C S S C C C C S
Tstms S S S C C S S C C C C
Heat index 98102102 93 95101 98
Max heat 102 103 101 101
Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 91 75 91 74 94 75 93 74 92
Temp 89 82 77 78 90 82 76 78 92 85 77 77 91 82 76 77 90 82
Dewpt 76 75 76 75 74 74 75 75 75 75 75 75 76 75 75 75 76 75
PWind dir SE S SE S SE SW E SW E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW SC
PoP 12hr 40 5 20 5 10 5 20 10 20
Rain shwrs S C S S S
Tstms C S S S
$$
SCZ043-190800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
1037 PM EDT Wed Jun 18 2025
Date 06/18/25 Thu 06/19/25 Fri 06/20/25 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 92 73 90 72
Temp 78 76 74 77 87 91 89 82 77 75 73 75 84 88 88 81 76 73 72 75
Dewpt 74 73 71 73 73 72 72 74 73 73 72 74 73 72 72 73 74 73 72 75
RH 88 90 90 87 63 54 57 77 87 94 97 97 70 59 59 77 94100100100
Wind dir S S S SW SW SW SW SW S SW SW W W W SW S S S S SE
Wind spd 6 5 5 5 8 10 10 6 5 4 2 3 4 4 3 2 2 1 1 1
Clouds SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC
PoP 12hr 20 30 40 40 20
QPF 12hr 0 0.05 0.03 0.05 0.11
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C S S C C S S S
Tstms C C C C C C S S
Heat index 94 99 96 90 95 95
Max heat 99 99 95 96
Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25
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 89 71 90 72 92 72 93 72 92
Temp 87 81 73 75 88 82 73 75 90 85 74 75 91 82 74 75 90 82
Dewpt 72 73 73 74 71 72 72 74 71 73 73 74 71 72 72 75 71 73
PWind dir SE S SE S E SW NE SW NE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC FW FW SC FW FW CL FW FW FW FW FW FW FW FW FW SC
PoP 12hr 40 5 20 0 10 10 20 10 30
Rain shwrs S C S S C
Tstms C S S C
$$
GAZ099-190800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
1037 PM EDT Wed Jun 18 2025
Date 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 72 93 73 93 72
Temp 79 75 74 76 87 91 91 86 79 75 73 75 85 91 91 85 79 75 73 75
Dewpt 72 72 71 73 73 71 70 72 73 72 72 73 73 71 71 72 72 73 72 73
RH 79 90 90 90 63 52 50 63 82 90 97 94 67 52 52 65 79 94 97 94
Wind dir S S S SW W SW SW SW SW SW W W NW W NW S SE S S SE
Wind spd 4 4 4 3 5 8 8 3 2 2 2 2 2 3 3 2 1 1 1 1
Clouds SC SC FW FW SC SC SC FW SC SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr 30 30 40 30 20
QPF 12hr 0 0 0.09 0.02 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C C C C S S
Tstms C C C C C C C S S
Heat index 94 98 97 92 92 98 98 91
Max heat 99 98 98 99
Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 94 72 94 72 95 72 96 71 95
Temp 91 83 75 75 92 85 74 75 93 88 75 76 93 84 74 74 92 85
Dewpt 71 73 73 74 71 72 72 73 70 73 72 74 71 72 72 72 71 73
PWind dir E SE SE S E S NE S NE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW SC FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW
PoP 12hr 30 10 10 5 10 5 20 10 30
Rain shwrs C S C
Tstms C S C
$$
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