Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
598
FOUS52 KCHS 171904
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
304 PM EDT Tue Jun 17 2025
SCZ050-180800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
304 PM EDT Tue Jun 17 2025
Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri
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 94 77 93 76
Temp 91 84 80 79 77 80 90 93 92 84 80 78 77 81 90 93 91 83 81 79 77 78
Dewpt 75 75 75 75 74 75 75 74 75 75 75 75 74 75 74 75 76 76 75 75 74 74
RH 60 74 85 88 90 85 62 54 58 74 85 91 90 82 60 56 62 80 82 88 90 88
Wind dir SW S SW SW SW SW SW SW S S S S SW SW SW SW S S SW SW SW W
Wind spd 12 11 10 10 10 8 8 9 12 10 6 5 5 8 9 10 14 12 8 4 3 3
Clouds SC FW FW FW FW FW FW SC SC SC SC SC SC FW FW SC SC SC SC SC B1 SC
PoP 12hr 10 20 10 30 30
QPF 12hr 0 0.03 0 0 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C S S C C C
Tstms S S C C S S C C C
Heat index 102 92 101103103 92 99105103 91
Max heat 103 103 105 105 106
Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25
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 90 75 91 75 92 75 92
Temp 92 81 76 77 90 82 77 78 91 84 77 78 92 84 76 78 92 84
Dewpt 75 77 76 75 77 77 76 76 76 75 76 76 76 75 75 75 75 76
PWind dir SW SW S S S SW SW SW S
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC B1 SC SC SC SC FW FW FW FW FW CL FW FW FW FW FW FW
PoP 12hr 50 30 30 10 20 5 20 5 10
Rain shwrs C C C S C C S S S
Tstms C C C S C C S S S
$$
GAZ118-180800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
304 PM EDT Tue Jun 17 2025
Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 76 94 76 94 75
Temp 93 85 81 79 76 78 89 94 92 85 80 78 76 79 89 94 92 86 80 77 75 78
Dewpt 72 74 74 73 72 73 74 72 73 74 73 73 72 73 73 74 74 74 74 73 73 74
RH 51 70 79 82 87 85 61 49 54 70 79 85 87 82 59 53 56 68 82 87 94 88
Wind dir S S S S SW SW SW SW S S S S S SW SW SW SW S S SW SW W
Wind spd 10 10 6 5 4 5 5 8 10 9 4 4 3 4 6 8 11 9 5 2 2 2
Clouds FW FW FW FW FW FW FW SC SC B1 SC SC FW FW SC SC SC SC SC SC SC SC
PoP 12hr 20 20 10 30 20
QPF 12hr 0 0.02 0 0 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S C C S S S S S
Tstms S S S S C C S S S S S
Heat index 101 93 98102101 93 97105102 94
Max heat 101 102 102 105 105 91
Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 93 74 92 75 92 74 92 74 93
Temp 93 85 76 76 91 84 77 78 92 84 77 78 92 84 76 77 93 85
Dewpt 74 75 75 75 75 74 75 76 75 74 74 76 74 74 74 75 75 74
PWind dir SW S S S S S S S S
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC B1 SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr 50 20 40 10 30 5 30 5 20
Rain shwrs S C S S C C C S
Tstms S C S S C C C S
$$
SCZ050-180800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
304 PM EDT Tue Jun 17 2025
Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri
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 91 78 91 77
Temp 89 83 81 79 78 80 89 91 89 83 81 80 78 81 89 91 89 84 80 79 77 80
Dewpt 76 76 76 76 75 75 76 77 77 76 76 76 75 76 75 77 77 76 76 76 75 76
RH 66 80 85 91 91 85 66 64 68 80 85 88 91 85 64 64 68 77 88 91 94 88
Wind dir S S SW SW SW SW SW S S S S SW SW SW SW S S S SW SW SW W
Wind spd 14 12 10 10 10 9 9 11 14 11 8 8 6 8 9 12 17 12 9 8 5 4
Clouds FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 SC
PoP 12hr 10 20 10 30 40
QPF 12hr 0 0.01 0 0 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C S S C C C
Tstms S S C C S S C C C
Heat index 100 91 100103100 91 99104101 92
Max heat 103 103 103 105 105
Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25
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 77 89 77 91 77 91
Temp 91 82 78 78 88 82 78 79 89 83 78 79 91 83 78 78 91 83
Dewpt 76 77 77 76 78 77 77 76 77 76 77 76 76 76 76 76 77 76
PWind dir SW SW S S S SW SW SW SW
Wind char GN GN GN GN GN GN GN LT GN
Avg clouds SC B1 SC SC SC SC FW FW FW FW FW CL FW FW FW FW FW FW
PoP 12hr 40 40 30 10 20 5 20 5 10
Rain shwrs C C C C C C S S S
Tstms C C C C C C S S S
$$
SCZ048-180800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
304 PM EDT Tue Jun 17 2025
Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 76 94 77 93 76
Temp 90 84 80 79 78 79 89 93 91 84 80 79 77 80 88 93 91 84 80 78 76 78
Dewpt 75 76 75 75 74 74 75 74 75 75 74 74 73 74 74 75 75 76 75 75 73 74
RH 62 77 85 88 88 85 64 54 60 74 82 85 87 82 63 56 60 77 85 91 90 88
Wind dir S S S SW SW SW SW S S S S S SW SW SW SW S S S SW SW W
Wind spd 10 10 8 6 5 5 5 8 12 9 5 4 3 5 6 9 12 9 5 3 2 3
Clouds FW FW FW FW FW FW FW SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC
PoP 12hr 10 20 10 30 30
QPF 12hr 0 0.03 0 0 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C S S C C S
Tstms S S C C S S C C S
Heat index 101 93 99103102 92 97105102 93
Max heat 102 103 105 105 105
Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 92 75 90 75 90 75 92 75 92
Temp 91 84 77 78 89 82 78 79 90 83 77 78 91 83 77 78 91 84
Dewpt 75 76 75 75 77 76 75 76 76 75 75 76 76 75 75 76 75 75
PWind dir SW S S S S S S S S
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC B1 SC SC SC SC FW FW FW FW FW CL FW FW FW FW FW FW
PoP 12hr 40 30 40 10 30 5 20 5 20
Rain shwrs S C C C C C S S
Tstms S C C C C C S S
$$
SCZ043-180800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
304 PM EDT Tue Jun 17 2025
Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri
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 93 74 92 73
Temp 91 85 79 76 75 77 89 91 93 85 78 76 74 78 88 91 92 84 79 74 73 76
Dewpt 73 74 74 74 73 73 74 72 72 74 73 73 72 73 74 74 74 74 74 73 72 73
RH 56 70 85 94 94 87 61 54 51 70 85 90 93 85 63 58 56 72 85 97 97 90
Wind dir SW S S S SW SW SW SW S S S S SW SW SW SW SW S S SW SW W
Wind spd 10 8 5 5 5 5 5 8 8 8 4 3 3 5 8 9 10 6 3 1 1 1
Clouds SC SC FW FW FW FW FW FW SC SC SC SC SC FW SC SC SC SC SC B1 B1 SC
PoP 12hr 20 20 10 30 30
QPF 12hr 0 0.04 0 0 0.08
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S C C C C C C S
Tstms S S S S C C C C C C S
Heat index 100 93 98 99101 93 97101102 91
Max heat 100 101 101 101 102
Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25
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 71 91 72 91 71 93 71 93
Temp 91 82 74 75 91 82 74 76 91 83 74 75 91 83 73 75 93 84
Dewpt 75 75 74 75 76 75 74 76 75 75 74 75 74 74 73 74 75 74
PWind dir SW S S S S SW S SW S
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC B1 SC SC SC SC FW FW FW SC FW FW FW FW FW FW FW FW
PoP 12hr 50 20 40 5 30 5 20 5 20
Rain shwrs S C S S C C S S
Tstms S C S S C C S S
$$
GAZ099-180800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
304 PM EDT Tue Jun 17 2025
Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 73 94 74 93 73
Temp 92 85 79 76 74 76 87 93 93 87 79 76 74 77 87 93 92 87 79 76 73 76
Dewpt 71 72 72 72 72 72 72 69 68 71 72 73 72 73 72 71 71 73 73 72 72 73
RH 51 65 79 87 93 87 61 46 44 59 79 90 93 87 61 49 51 63 82 87 97 90
Wind dir SW S S S S SW SW SW SW S S S SW SW SW SW SW SW SW N N W
Wind spd 8 4 2 2 2 3 6 8 6 4 3 2 1 3 6 8 8 4 1 0 0 1
Clouds FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC B1 SC SC
PoP 12hr 20 10 5 30 30
QPF 12hr 0 0 0 0 0.05
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C C C S S
Tstms S S C C C C S S
Heat index 99 91 94 98 97 93 94100 99 94
Max heat 101 98 99 90 100 100 90
Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 93 72 93 73 94 72 95 72 94
Temp 92 85 73 74 93 84 74 75 93 86 74 75 93 86 74 75 93 86
Dewpt 71 73 73 73 72 74 73 74 72 73 73 74 71 72 72 73 71 72
PWind dir W S S S SE S SE S SE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC SC FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr 40 20 40 10 30 5 30 5 20
Rain shwrs C S C C C S
Tstms C S C C C S
$$
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