Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
311
FOUS52 KCHS 161846
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
246 PM EDT Fri May 16 2025
SCZ050-170800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
246 PM EDT Fri May 16 2025
Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 73 94 71 92 70
Temp 94 85 79 76 75 76 86 93 93 87 80 77 74 74 86 91 90 82 76 72 70 73
Dewpt 66 69 70 70 68 67 68 69 69 69 70 69 68 68 66 63 64 66 68 68 68 68
RH 40 59 74 82 79 74 55 46 46 55 72 76 82 82 51 40 42 58 76 87 93 84
Wind dir SW SW SW SW SW W W W W W W W W W W W W SW SW SW W W
Wind spd 10 8 6 8 8 10 12 13 16 11 9 6 5 5 6 8 10 6 4 3 2 3
Clouds SC FW FW SC B1 B1 SC B1 B1 SC B1 B1 B1 B1 B1 SC B1 B1 SC SC SC SC
PoP 12hr 0 20 5 10 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 97 98 98 91 92 91
Max heat 98 98 99 92 92
Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
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 92 71 93 72 88 68 83 59 79
Temp 92 80 72 73 92 81 74 74 88 81 73 68 81 75 64 61 78 72
Dewpt 68 70 70 71 68 70 71 69 69 70 67 64 57 57 55 53 53 56
PWind dir SW SW SW S SW W W NW NW
Wind char LT LT GN GN GN GN GN LT GN
Avg clouds FW SC SC SC SC SC SC B1 B1 B1 SC SC FW FW FW FW FW SC
PoP 12hr 20 5 10 5 40 30 20 10 5
Rain shwrs S S C C S
Tstms S S C C S
$$
GAZ118-170800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
246 PM EDT Fri May 16 2025
Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 73 95 72 94 71
Temp 94 87 80 77 74 74 86 93 95 88 80 77 74 74 87 93 93 85 77 73 72 73
Dewpt 67 69 70 68 66 67 69 70 70 70 71 70 69 70 70 67 67 69 69 69 68 69
RH 41 55 72 74 76 79 57 47 45 55 74 79 84 87 57 43 43 59 76 87 87 87
Wind dir W SW S SW SW W W W W W W W W W W W W SW SW SW W W
Wind spd 10 5 4 5 5 9 10 12 12 8 5 4 3 3 5 6 6 4 2 2 2 2
Clouds FW FW FW FW SC SC SC SC SC SC SC B1 B1 B1 SC SC SC B1 SC SC SC SC
PoP 12hr 0 5 5 20 5
QPF 12hr 0 0 0 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 98 91 90 99102 93 92 97 97
Max heat 99 99 102 90 97 98
Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 94 72 96 72 93 68 84 59 81
Temp 93 85 74 74 94 86 75 74 91 85 75 69 82 76 63 61 80 74
Dewpt 69 69 70 68 65 68 67 70 69 70 67 64 58 57 56 54 55 57
PWind dir W SW SW SW SW W W NW NW
Wind char LT LT LT LT GN GN GN LT LT
Avg clouds FW FW SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW
PoP 12hr 10 0 5 5 30 20 10 5 5
Rain shwrs S C S
Tstms S C S
$$
SCZ050-170800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
246 PM EDT Fri May 16 2025
Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 92 74 90 72
Temp 87 81 78 78 77 77 86 91 91 85 80 77 74 75 85 90 88 81 76 74 72 74
Dewpt 69 72 71 70 69 68 70 71 72 71 71 71 69 69 69 67 69 70 71 70 70 70
RH 55 74 79 76 76 74 59 52 54 63 74 82 84 82 59 47 54 69 85 87 93 87
Wind dir SW SW SW SW SW W W SW SW SW W W W W W SW SW SW SW SW W NW
Wind spd 17 10 9 9 9 10 11 14 16 11 8 6 5 5 6 9 10 6 5 4 4 4
Clouds SC FW FW SC SC SC SC SC B1 SC B1 B1 B1 B1 B1 SC B1 B1 SC SC SC SC
PoP 12hr 0 20 5 10 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Heat index 91 91 98 98 90 93 92
Max heat 91 98 100 93 93
Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
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 89 73 89 74 86 70 82 62 78
Temp 89 79 73 74 89 80 74 74 86 80 74 70 82 75 65 62 78 72
Dewpt 71 73 72 72 71 72 73 70 73 73 69 67 61 59 57 54 56 58
PWind dir SW SW SW SW SW W W NW NW
Wind char LT LT GN GN GN GN GN GN GN
Avg clouds FW SC SC SC SC SC SC B1 B1 B1 SC SC FW FW FW FW FW SC
PoP 12hr 20 5 5 5 30 30 20 10 5
Rain shwrs S S C C S S
Tstms S S C C S S
$$
SCZ048-170800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
246 PM EDT Fri May 16 2025
Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 73 94 72 92 71
Temp 94 85 79 77 74 75 86 92 92 86 80 77 74 74 85 90 90 83 76 73 71 73
Dewpt 68 68 70 69 67 67 70 71 71 71 72 70 69 69 70 67 68 70 70 70 68 69
RH 43 57 74 76 79 76 59 51 51 61 77 79 84 84 61 47 49 65 82 90 90 87
Wind dir W SW SW SW SW W W W W W W W W W W W SW SW SW SW W W
Wind spd 11 6 5 8 8 8 10 11 12 8 5 3 3 3 4 6 6 4 2 2 2 2
Clouds FW FW FW FW SC SC SC SC B1 SC SC B1 SC B1 SC B1 B1 B1 SC SC SC SC
PoP 12hr 0 5 5 20 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 99 91 99 99 91 90 93 94
Max heat 99 99 99 93 94
Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 92 72 93 72 90 68 83 60 80
Temp 91 82 74 74 91 83 75 74 88 83 75 70 81 75 65 62 78 73
Dewpt 70 71 70 70 69 70 69 70 71 71 67 64 60 58 55 54 55 58
PWind dir SW SW SW SW SW W W NW NW
Wind char LT LT LT LT GN LT GN LT LT
Avg clouds SC FW SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW
PoP 12hr 10 5 5 5 30 20 20 5 5
Rain shwrs S C S S
Tstms S C S S
$$
SCZ043-170800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
246 PM EDT Fri May 16 2025
Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 72 92 68 90 67
Temp 94 86 79 75 73 73 85 90 92 84 77 73 70 71 84 90 89 81 73 70 68 70
Dewpt 67 69 69 69 67 66 69 69 70 70 70 68 67 68 67 63 63 66 67 67 66 68
RH 41 57 72 82 81 79 59 50 49 63 79 84 90 90 57 41 42 60 81 90 93 93
Wind dir W SW SW SW SW W W W W W W W W W W W W W SW W W W
Wind spd 9 5 2 4 4 8 10 12 13 8 5 4 3 3 5 6 6 3 2 1 1 1
Clouds SC FW FW SC SC B1 SC B1 SC SC SC SC B1 B1 B1 B1 SC B1 SC SC SC SC
PoP 12hr 0 20 5 20 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 98 90 95 98 91 90
Max heat 98 95 98 91 90
Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
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 92 68 93 69 88 64 80 55 78
Temp 91 80 70 70 92 83 71 71 88 82 71 66 79 73 60 58 77 70
Dewpt 68 69 68 69 66 67 68 69 69 69 65 62 55 57 53 53 53 56
PWind dir W SW W S SW W W NW NW
Wind char LT LT LT LT GN LT GN LT LT
Avg clouds SC SC SC SC SC SC SC B1 B1 SC SC SC SC FW FW FW FW FW
PoP 12hr 20 5 10 5 40 20 20 5 10
Rain shwrs S S C S S
Tstms S S C S S
$$
GAZ099-170800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
246 PM EDT Fri May 16 2025
Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 70 92 69 91 69
Temp 92 86 78 74 71 72 82 90 92 84 76 73 70 72 83 89 91 82 74 71 69 71
Dewpt 67 70 69 67 66 68 70 71 70 71 71 70 69 70 70 68 68 70 68 68 67 69
RH 44 59 74 79 84 87 67 54 49 65 85 90 97 93 65 50 47 67 82 90 93 93
Wind dir W SW SW SW SW W W W W W W W W W W W W W W SW W W
Wind spd 9 3 2 4 3 6 9 10 11 5 3 2 2 2 3 4 5 2 2 1 1 2
Clouds FW FW FW FW SC B1 B1 B1 SC SC SC SC B1 B1 SC B1 SC B1 SC SC SC SC
PoP 12hr 0 20 5 20 5
QPF 12hr 0 0 0 0.06 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 96 91 96 98 93 95
Max heat 96 96 98 93 95
Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 93 70 93 70 89 65 81 57 80
Temp 91 84 72 72 91 84 74 72 88 83 71 66 79 74 61 59 78 73
Dewpt 69 67 67 68 65 67 66 69 69 69 64 61 58 57 53 52 53 56
PWind dir W SW SW SW SW W W NW NW
Wind char LT LT LT LT GN LT GN LT LT
Avg clouds FW FW SC SC SC FW SC SC B1 SC SC FW FW FW FW FW FW FW
PoP 12hr 10 0 5 5 40 20 10 5 5
Rain shwrs S C S
Tstms S C S
$$
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