Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
187
FOUS52 KCHS 170521
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
121 AM EDT Fri Oct 17 2025
SCZ050-172000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
121 AM EDT Fri Oct 17 2025
Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25
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 72 53 76 58 80
Temp 54 52 65 70 70 61 58 55 53 54 69 75 75 67 61 59 59 61 73 78 77 71
Dewpt 46 46 45 44 46 49 50 50 50 50 53 53 53 55 56 56 56 58 61 60 62 63
RH 74 80 48 39 42 65 75 83 89 86 57 46 46 65 84 90 90 90 66 54 60 76
Wind dir NE NE NE NE N E SE E NE NE S S S S S S S S SW S S S
Wind spd 6 6 8 5 4 2 2 1 1 1 2 3 6 5 4 4 4 4 10 12 13 10
Clouds CL CL CL CL CL SC B1 SC SC FW FW CL CL CL CL FW FW SC SC SC SC B1
PoP 12hr 0 0 0 0 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25
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 55 72 52 78 55 73 52 74
Temp 63 55 70 62 54 54 76 69 61 57 71 62 56 54 72 66
Dewpt 57 47 45 48 49 50 51 56 54 49 46 50 49 49 50 54
PWind dir W N SW SW W N NE SE
Wind char GN LT LT LT LT LT LT LT
Avg clouds SC FW CL CL CL CL CL FW FW FW FW FW FW FW FW SC
PoP 12hr 10 0 0 5 5 0 0 0
$$
GAZ118-172000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
121 AM EDT Fri Oct 17 2025
Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 75 55 78 59 81
Temp 56 55 69 74 73 65 60 57 55 55 72 77 77 69 62 61 60 61 74 79 79 73
Dewpt 51 52 53 52 52 53 54 53 53 53 57 56 56 57 58 58 58 59 62 63 64 65
RH 83 90 57 46 48 65 81 86 93 93 59 48 48 66 87 90 93 93 66 58 60 76
Wind dir NE NE NE E E SE E SE NE N SE SE SE SE SE S S S S S S S
Wind spd 4 5 5 5 5 3 2 1 1 1 2 4 5 4 2 2 2 3 6 9 10 6
Clouds CL CL CL CL FW B1 SC FW CL FW CL FW FW CL CL CL FW FW FW SC B1 B1
PoP 12hr 0 0 0 0 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 56 74 53 81 57 76 53 77
Temp 64 56 72 63 56 54 79 71 62 57 74 65 56 54 76 68
Dewpt 55 47 49 51 53 51 54 57 54 50 50 52 51 50 54 56
PWind dir W N S SW W N NE E
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC FW CL CL CL CL CL FW FW FW FW FW FW FW FW FW
PoP 12hr 5 0 0 5 5 0 0 0
$$
SCZ050-172000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
121 AM EDT Fri Oct 17 2025
Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25
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 71 58 74 62 77
Temp 57 56 65 69 69 63 61 60 58 59 69 73 73 68 65 64 64 65 73 76 75 72
Dewpt 49 50 50 49 51 52 52 52 52 53 57 57 58 57 58 59 60 62 65 65 67 67
RH 75 80 58 49 53 67 72 75 80 80 66 57 59 68 78 84 87 90 76 69 76 84
Wind dir NE NE NE NE NE E E E NE N SE S S S S S S SW SW S S SW
Wind spd 5 6 8 5 4 2 2 2 2 2 2 4 5 4 3 3 4 4 8 11 12 10
Clouds CL CL CL CL CL SC B1 SC SC FW FW CL CL CL CL FW SC SC SC SC SC B1
PoP 12hr 0 0 0 0 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25
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 57 72 57 76 58 72 56 73
Temp 65 57 70 64 59 59 74 70 63 59 71 65 60 58 72 67
Dewpt 60 49 49 52 53 54 57 62 57 53 51 53 52 52 56 59
PWind dir W N SW SW W N NE E
Wind char GN LT LT LT LT LT LT LT
Avg clouds SC FW FW CL CL CL FW FW FW FW FW FW FW FW FW SC
PoP 12hr 10 0 0 0 5 0 0 0
$$
SCZ048-172000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
121 AM EDT Fri Oct 17 2025
Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 74 57 76 61 79
Temp 57 56 68 72 72 63 60 58 57 57 71 75 75 67 63 62 62 63 73 78 77 71
Dewpt 49 50 51 50 51 53 52 53 52 53 57 56 57 57 58 58 58 60 63 63 65 66
RH 75 80 54 46 48 70 75 83 83 86 61 52 54 70 84 87 87 90 71 60 67 84
Wind dir NE NE NE E E E E E NE N SE SE SE SE S S S S S S S S
Wind spd 4 5 5 4 4 2 1 1 1 1 2 3 5 3 2 2 2 3 8 10 10 8
Wind gust 18
Clouds CL CL CL CL FW B1 SC FW FW FW CL CL FW CL CL FW FW FW SC SC SC B1
PoP 12hr 0 0 0 0 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 56 74 54 79 57 74 54 75
Temp 63 56 72 62 57 56 77 70 62 57 72 63 57 55 74 67
Dewpt 55 47 48 51 53 52 54 59 55 50 50 52 51 51 54 57
PWind dir W N SW SW W N NE E
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC FW CL CL CL CL CL FW FW FW FW FW FW FW FW SC
PoP 12hr 5 0 0 0 5 0 0 0
$$
SCZ043-172000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
121 AM EDT Fri Oct 17 2025
Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25
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 72 49 77 53 79
Temp 50 50 65 70 71 59 55 51 49 51 68 75 76 65 58 55 54 57 72 77 77 68
Dewpt 46 47 46 45 47 52 50 50 49 50 55 55 54 56 56 55 54 57 60 60 62 64
RH 86 89 50 41 42 78 83 96100 96 63 50 46 73 93100100100 66 56 60 87
Wind dir NE NE NE NE NE E SE S N N S S S S S S S S S S S S
Wind spd 3 4 5 2 2 2 1 1 0 0 2 3 5 5 3 2 2 3 8 10 10 6
Clouds FW CL CL CL FW B1 B1 SC SC FW FW CL CL CL CL FW FW SC SC SC SC B1
PoP 12hr 0 0 0 0 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25
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 50 72 47 78 51 72 47 74
Temp 59 51 70 58 49 49 75 67 57 52 71 60 51 49 72 63
Dewpt 53 46 44 49 48 49 51 56 52 48 46 50 47 47 50 54
PWind dir W N S SW W N E SE
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC FW CL CL CL FW CL FW FW FW FW FW FW FW FW FW
PoP 12hr 10 0 0 5 5 0 0 0
$$
GAZ099-172000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
121 AM EDT Fri Oct 17 2025
Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 79 54 81 57 82
Temp 55 52 69 76 77 66 60 56 54 54 72 79 80 71 63 59 58 58 73 80 79 72
Dewpt 51 51 48 46 48 51 52 52 52 52 55 52 52 55 55 56 56 57 60 60 63 63
RH 86 96 47 34 36 58 75 86 93 93 55 39 38 57 75 90 93 96 64 51 58 73
Wind dir E NE E E E E SE SE S SE S S SE SE SE S S S S SW SW SW
Wind spd 2 3 5 5 4 3 2 2 2 2 3 4 5 5 4 3 3 4 8 10 10 5
Clouds CL CL CL FW SC SC FW FW FW FW CL CL CL CL CL FW FW FW SC B1 B1 SC
PoP 12hr 0 0 0 0 20
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S
Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 52 77 49 84 53 79 49 79
Temp 62 52 74 63 53 51 80 72 61 54 76 65 54 50 77 69
Dewpt 50 43 42 45 48 48 48 50 49 45 42 43 46 46 45 48
PWind dir NW N S W W N NE SE
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC FW CL CL CL FW CL FW FW FW FW CL FW FW FW SC
PoP 12hr 5 0 0 5 0 0 0 0
$$
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