Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
682
FOUS52 KCHS 180931
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
531 AM EDT Sat Oct 18 2025
SCZ050-182000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
531 AM EDT Sat Oct 18 2025
Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25
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 78 59 80 54 72
Temp 56 70 76 77 68 62 61 61 62 73 78 77 71 69 64 58 55 63 70 70 61
Dewpt 52 56 55 56 57 57 57 58 59 62 62 62 64 64 58 51 47 45 43 43 47
RH 86 61 48 48 68 84 87 90 90 68 58 60 79 84 81 77 74 52 38 38 60
Wind dir E SW S S S S S S S S S S S SW W NW N N N N NE
Wind spd 1 2 4 6 5 5 5 5 5 10 13 16 11 10 10 10 8 9 6 5 2
Wind gust 24
Clouds SC FW FW FW CL CL FW FW SC SC B1 B1 B2 B1 SC FW FW CL CL CL CL
PoP 12hr 0 0 5 20 0
QPF 12hr 0 0 0 0.03 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25
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 51 77 54 72 49 71 52 74
Temp 54 53 75 68 60 55 70 62 54 50 69 60 55 53 72 63
Dewpt 48 48 50 55 53 49 45 46 45 43 45 49 49 48 50 53
PWind dir S SW W NW N NE NE NE
Wind char LT LT LT GN LT LT LT LT
Avg clouds CL FW FW FW CL FW CL CL FW FW FW FW FW FW SC SC
PoP 12hr 0 0 0 0 0 0 0 0
$$
GAZ118-182000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
531 AM EDT Sat Oct 18 2025
Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 79 61 81 54 73
Temp 57 73 78 78 69 63 62 61 62 75 80 79 73 69 64 58 54 64 71 72 62
Dewpt 55 58 56 56 58 59 59 59 60 63 63 66 67 66 57 51 47 48 47 48 50
RH 93 59 47 47 68 87 90 93 93 66 56 64 81 90 78 77 77 56 42 42 65
Wind dir S S SE SE SE SE S S S S S S S SW NW NW N N N N SE
Wind spd 1 2 4 6 4 3 3 3 4 9 11 10 8 6 6 5 5 5 4 4 3
Clouds FW CL FW FW CL CL FW FW FW SC B1 B2 B2 B1 FW FW CL CL FW CL CL
PoP 12hr 0 0 20 10 0
QPF 12hr 0 0 0.01 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 52 79 56 75 50 74 53 76
Temp 55 53 77 69 62 56 73 63 54 51 72 62 56 54 74 65
Dewpt 51 51 53 55 51 48 45 46 45 45 48 52 51 50 54 55
PWind dir S W W NW N NE NE NE
Wind char LT LT LT LT LT LT LT LT
Avg clouds CL FW FW FW FW FW CL CL FW FW CL FW FW FW FW SC
PoP 12hr 0 0 0 0 0 0 0 0
$$
SCZ050-182000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
531 AM EDT Sat Oct 18 2025
Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25
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 63 78 57 71
Temp 61 71 74 74 69 66 65 65 66 73 77 76 72 70 66 60 57 63 69 69 63
Dewpt 56 58 59 59 60 60 60 62 63 66 67 68 68 68 61 55 49 48 48 48 50
RH 84 63 59 59 73 81 84 90 90 79 71 76 87 93 84 84 75 58 47 47 62
Wind dir NW S S S S S S S S S SW S S SW W NW N N N N NE
Wind spd 1 2 5 5 4 4 4 5 5 10 12 13 11 10 9 9 8 8 6 5 2
Clouds SC FW CL CL CL CL FW SC B1 SC SC B1 B2 B1 SC FW FW CL CL CL CL
PoP 12hr 0 0 5 10 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25
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 75 57 72 53 70 56 72
Temp 58 57 73 69 64 59 70 63 57 53 69 63 58 57 71 65
Dewpt 51 52 56 60 57 51 49 50 48 47 50 52 52 51 56 57
PWind dir NW SW W N N NE NE NE
Wind char LT LT LT LT LT LT LT LT
Avg clouds FW FW FW FW FW FW CL CL FW FW FW FW FW FW SC SC
PoP 12hr 0 0 0 0 0 0 0 0
$$
SCZ048-182000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
531 AM EDT Sat Oct 18 2025
Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 77 62 79 55 72
Temp 58 72 76 76 68 63 62 63 64 74 77 76 71 68 64 58 55 63 70 71 61
Dewpt 55 59 58 58 59 59 59 59 61 65 64 66 67 66 57 51 48 48 46 47 50
RH 90 64 54 54 73 87 90 87 90 74 64 71 87 93 78 77 77 58 42 42 67
Wind dir W S S S S S S S S S S S S SW NW NW N N N N SE
Wind spd 1 2 3 5 3 3 3 3 4 10 13 11 9 8 8 8 5 6 4 4 2
Wind gust 23 19
Clouds SC FW FW FW CL CL FW FW SC SC SC B2 B2 B1 FW FW CL CL CL CL CL
PoP 12hr 0 0 10 10 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 53 78 56 73 51 73 53 74
Temp 56 54 76 68 62 57 71 62 54 52 71 61 55 54 72 64
Dewpt 50 51 53 58 52 49 46 47 46 45 48 52 51 50 54 56
PWind dir S SW W NW N NE NE E
Wind char LT LT LT LT LT LT LT LT
Avg clouds CL FW FW FW FW FW CL CL FW FW CL FW FW FW FW SC
PoP 12hr 0 0 0 0 0 0 0 0
$$
SCZ043-182000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
531 AM EDT Sat Oct 18 2025
Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25
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 78 55 78 50 71
Temp 52 70 76 77 66 58 56 56 58 72 77 76 68 64 59 53 51 62 69 70 57
Dewpt 52 57 56 56 58 57 56 56 58 62 62 63 66 63 54 49 47 44 43 43 48
RH 100 63 50 48 75 96100100100 71 60 64 93 97 83 86 86 52 39 38 72
Wind dir N SW S S S S S S S S S S S SW NW NW N N N N E
Wind spd 0 2 4 5 5 4 3 3 4 10 11 11 8 6 5 5 5 6 5 3 1
Wind gust 21 21 18
Clouds SC FW CL FW CL FW CL FW SC SC B1 B2 B2 B1 FW FW CL CL CL CL CL
PoP 12hr 0 0 20 10 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25
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 46 76 50 71 44 70 46 72
Temp 48 48 74 66 56 52 70 57 49 45 69 57 50 48 71 60
Dewpt 47 48 49 53 49 47 43 46 43 42 44 49 47 47 50 53
PWind dir S SW W NW N NE E NE
Wind char LT LT LT LT LT LT LT LT
Avg clouds CL FW FW CL FW FW CL CL FW FW FW FW FW FW SC SC
PoP 12hr 0 0 0 0 0 0 0 0
$$
GAZ099-182000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
531 AM EDT Sat Oct 18 2025
Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 82 58 80 50 75
Temp 55 72 80 81 72 63 60 59 60 73 78 76 70 66 60 54 50 63 72 73 62
Dewpt 54 56 53 53 56 56 57 57 58 61 63 65 66 61 52 47 43 45 42 42 45
RH 96 57 39 38 57 78 90 93 93 66 60 69 87 84 75 77 77 52 34 33 54
Wind dir S S S S SE SE S S S S SW SW SW W NW NW N N N N E
Wind spd 2 3 4 5 5 4 3 4 5 10 10 10 5 5 5 5 4 5 4 3 2
Wind gust 16 16
Clouds SC FW FW FW CL CL CL FW B1 B1 B2 B2 SC SC FW FW CL CL CL CL CL
PoP 12hr 0 0 40 5 0
QPF 12hr 0 0 0.07 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C
Tstms S S
Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 49 82 52 76 46 76 49 78
Temp 52 50 79 70 60 53 74 62 52 47 73 62 53 50 76 66
Dewpt 46 47 45 47 48 45 37 39 39 39 40 45 48 46 49 50
PWind dir S SW W NW N E E E
Wind char LT LT LT LT LT LT LT LT
Avg clouds CL FW FW CL FW FW CL CL FW FW CL FW FW FW FW SC
PoP 12hr 0 0 0 0 0 0 0 0
$$
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