Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
669
FOUS52 KCHS 171011
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
611 AM EDT Sat May 17 2025
SCZ050-172000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
611 AM EDT Sat May 17 2025
Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 93 71 92 70 92
Temp 75 87 93 91 84 78 75 72 73 85 91 90 82 75 73 71 72 87 91 90 81
Dewpt 68 68 69 69 70 71 69 68 68 68 63 62 68 70 69 69 69 70 70 71 71
RH 79 53 46 49 63 79 82 87 84 57 40 39 63 84 87 93 90 57 50 54 72
Wind dir W W W W W W W W W W W SW SW SW W W NW W SW SW S
Wind spd 8 11 12 14 11 9 6 5 5 6 9 9 6 3 2 2 2 4 5 4 3
Clouds B1 SC B1 B1 B1 B1 SC B1 B1 B1 SC B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr 20 20 20 10 20
QPF 12hr 0 0 0.22 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S S S S
Tstms S S S S S S S
Heat index 91 98 96 92 90 92 97 96
Max heat 98 98 92 92 97 98
Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 71 93 73 91 67 83 59 80
Temp 72 74 92 82 75 75 90 82 72 68 83 76 63 60 79 73
Dewpt 71 72 71 72 72 70 72 72 66 62 60 58 55 53 54 56
PWind dir SW SW SW SW W W NW NW
Wind char LT GN GN GN GN GN GN GN
Avg clouds SC B1 SC SC SC B1 SC SC SC SC FW FW FW FW FW FW
PoP 12hr 5 10 5 30 20 10 5 10
Rain shwrs C S
Tstms C S
$$
GAZ118-172000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
611 AM EDT Sat May 17 2025
Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 94 72 94 71 94
Temp 74 86 93 94 88 81 76 73 74 87 93 91 82 76 74 71 74 87 94 92 84
Dewpt 68 71 72 71 71 72 71 70 71 70 67 67 69 70 70 70 70 72 70 70 68
RH 82 61 51 47 57 74 85 90 90 57 43 45 65 82 87 97 87 61 46 49 59
Wind dir W W W W W W W W W W SW SW SW SW SW W W W W SW S
Wind spd 9 10 12 11 8 5 4 3 4 5 6 8 5 2 2 2 2 4 5 5 4
Wind gust 19
Clouds SC B1 B1 B1 B2 B1 SC B1 B1 B1 SC B1 B1 SC SC SC SC SC SC SC SC
PoP 12hr 30 30 30 10 10
QPF 12hr 0 0 0.13 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C S C C
Tstms S C S C C
Heat index 91101101 94 92 97 94 94100 98
Max heat 101 101 97 97 100 100
Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 72 95 73 92 68 85 59 82
Temp 74 74 93 85 76 74 92 84 74 68 83 77 64 61 80 75
Dewpt 70 70 68 69 69 70 70 70 66 62 58 56 55 53 54 56
PWind dir SW SW SW SW W W NW NW
Wind char LT LT LT GN GN GN LT LT
Avg clouds SC B1 SC SC SC SC SC B1 SC SC FW FW FW FW FW FW
PoP 12hr 0 5 0 30 20 10 5 5
Rain shwrs C S
Tstms C S
$$
SCZ050-172000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
611 AM EDT Sat May 17 2025
Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 91 73 90 72 89
Temp 77 85 91 89 84 81 78 74 75 85 90 88 80 76 74 72 74 86 89 86 80
Dewpt 69 70 72 73 73 72 71 69 69 69 66 67 70 71 70 70 70 71 71 72 72
RH 76 61 54 59 70 74 79 84 82 59 45 50 72 85 87 93 87 61 56 63 77
Wind dir W W W SW SW W W W W W SW SW SW SW W W NW W S S S
Wind spd 8 11 13 14 11 8 6 5 5 6 12 12 8 4 3 3 3 5 6 5 4
Clouds B1 SC B1 B1 B1 B1 SC SC B1 B1 SC B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr 20 20 20 10 20
QPF 12hr 0 0 0.09 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 98 96 90 92 91 91 95 92
Max heat 99 97 92 92 95 95
Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 73 90 74 89 69 83 62 79
Temp 74 75 90 81 75 75 89 81 73 69 83 76 65 62 79 73
Dewpt 72 72 72 73 74 71 73 72 69 63 61 60 57 55 55 58
PWind dir SW SW SW SW W W NW NW
Wind char LT GN GN GN GN GN GN GN
Avg clouds SC B1 SC SC SC B1 SC B1 SC SC FW FW FW FW FW FW
PoP 12hr 5 10 5 30 30 10 5 5
Rain shwrs C C
Tstms C C
$$
SCZ048-172000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
611 AM EDT Sat May 17 2025
Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 92 72 92 71 92
Temp 75 85 92 91 85 80 75 73 73 85 90 89 81 76 73 72 73 86 91 88 81
Dewpt 67 71 73 72 72 71 70 69 70 70 65 65 70 71 70 70 70 71 71 71 70
RH 76 63 54 54 65 74 84 87 90 61 44 45 69 85 90 93 90 61 52 57 69
Wind dir W W W W W W W W W W SW SW SW SW SW W W W SW SW S
Wind spd 9 11 12 12 8 5 3 3 4 5 6 6 4 2 2 2 2 4 5 4 3
Wind gust 20
Clouds SC SC B1 B1 B2 SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr 30 30 20 10 20
QPF 12hr 0 0 0.26 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C S S S S
Tstms S C S S S S
Heat index 90101 99 91 90 92 91 91 98 94
Max heat 101 100 92 93 98 98
Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 72 92 73 91 67 83 60 81
Temp 74 74 91 82 76 75 90 82 73 69 82 76 64 62 79 74
Dewpt 71 71 70 72 71 69 72 72 67 62 60 59 55 53 55 57
PWind dir SW SW SW SW W W NW NW
Wind char LT LT LT GN LT GN LT LT
Avg clouds SC B1 SC SC SC SC SC SC SC SC FW FW FW FW FW FW
PoP 12hr 5 10 5 30 20 10 5 5
Rain shwrs C S
Tstms C S
$$
SCZ043-172000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
611 AM EDT Sat May 17 2025
Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 90 68 89 67 91
Temp 74 86 90 90 83 76 71 68 71 84 89 89 80 73 70 68 70 85 91 91 82
Dewpt 66 69 69 70 70 70 68 67 68 68 63 62 66 68 68 68 69 71 70 69 69
RH 76 57 50 52 65 82 90 97 90 59 42 41 62 84 93100 97 63 50 49 65
Wind dir W W W W W W W W W W W W SW SW W W NW W W SW S
Wind spd 8 10 12 12 8 5 4 3 4 5 6 6 4 2 2 2 2 3 4 3 2
Wind gust 23
Clouds B1 B1 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC
PoP 12hr 20 20 20 10 20
QPF 12hr 0 0 0.13 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S S S S
Tstms S S S S S S S
Heat index 90 95 96 90 90 97 96
Max heat 95 96 90 97 97
Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 68 92 70 89 63 82 55 79
Temp 70 71 91 82 72 72 89 82 70 65 81 74 60 58 77 71
Dewpt 69 70 69 69 69 69 72 70 63 60 58 57 52 52 54 55
PWind dir SW SW SW SW W W NW NW
Wind char LT LT LT GN LT GN LT LT
Avg clouds SC B1 SC SC SC B1 SC SC SC SC FW FW FW FW FW FW
PoP 12hr 5 10 5 40 20 10 5 10
Rain shwrs S C S
Tstms C S
$$
GAZ099-172000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
611 AM EDT Sat May 17 2025
Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 91 69 91 69 93
Temp 72 82 88 90 83 77 73 70 71 83 90 90 80 74 71 69 72 84 91 92 85
Dewpt 68 71 71 70 71 71 69 69 70 71 70 68 70 70 69 69 70 72 69 66 67
RH 87 69 57 52 67 82 87 97 97 67 52 49 72 87 93100 93 67 49 43 55
Wind dir W W W W W W W W W W W W W W SW W W W W W SW
Wind spd 8 10 11 11 5 3 2 3 3 4 6 5 3 2 1 1 1 3 4 3 2
Clouds SC B1 B2 B1 B1 SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW
PoP 12hr 30 20 40 10 10
QPF 12hr 0.09 0 0.48 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S C C
Tstms C C S C C
Heat index 94 96 96 94 90 96 95
Max heat 94 98 96 97 96 97
Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 70 92 70 89 64 82 57 80
Temp 72 72 90 84 74 72 89 83 70 65 80 75 61 59 78 73
Dewpt 67 68 66 68 67 70 69 69 63 60 56 55 52 53 52 55
PWind dir SW SW SW SW W W NW NW
Wind char LT LT LT GN LT GN LT LT
Avg clouds SC SC SC SC SC SC B1 SC SC SC FW FW FW FW FW CL
PoP 12hr 0 5 5 40 20 5 5 5
Rain shwrs S C S
Tstms C S
$$
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