Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
194
FOUS52 KCHS 192306
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
706 PM EDT Tue Aug 19 2025
SCZ050-200800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
706 PM EDT Tue Aug 19 2025
Date 08/19/25 Wed 08/20/25 Thu 08/21/25 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 91 75 93 75
Temp 81 78 76 75 76 83 87 88 83 79 78 76 77 85 89 89 83 80 78 77 77
Dewpt 73 74 73 72 73 73 72 72 72 72 72 71 72 72 71 72 73 74 74 73 73
RH 77 88 90 90 90 72 61 59 70 79 82 85 85 65 56 57 72 82 88 87 87
Wind dir E NE N N N N N N N N NW NW NW NW NW NW NW S NW NE NE
Wind spd 8 5 6 9 10 12 12 12 9 8 6 8 9 10 9 8 4 3 2 4 5
Clouds FW CL FW FW SC SC B1 B1 B1 SC FW FW FW FW SC SC B1 B1 B1 B1 B1
PoP 12hr 5 20 5 20 30
QPF 12hr 0 0 0 0 0.10
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S C C C C C
Tstms S S S S C C C C
Heat index 94 95 91 95 96
Max heat 94 95 95 97
High Surf Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25
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 87 73 83 72 86 73 89 71 87
Temp 84 78 75 76 80 77 74 74 83 79 75 75 87 81 75 74 84 78
Dewpt 73 73 73 72 71 72 72 72 71 72 73 73 71 72 71 67 66 69
PWind dir E E E E E SW W W NE
Wind char LT LT GN LT LT LT LT LT LT
Avg clouds B1 B2 B1 B1 B2 B2 B1 B1 B1 B2 SC SC SC B1 FW FW FW SC
PoP 12hr 60 40 70 40 60 20 40 10 20
Rain shwrs C L C C C L C C C L S S C S
Tstms C L C C C L C C C C S S C S
$$
GAZ118-200800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
706 PM EDT Tue Aug 19 2025
Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 73 93 75 94 75
Temp 81 77 75 74 75 83 89 90 84 79 77 75 76 86 92 91 84 79 77 76 76
Dewpt 74 75 74 72 73 75 74 73 73 72 71 71 72 74 73 73 75 74 74 73 75
RH 79 94 97 93 94 77 61 58 70 79 82 87 87 68 54 56 74 85 90 90 97
Wind dir E NE N N N N N N N NW NW NW NW NW NW NW S S S NW NE
Wind spd 5 3 3 5 6 10 9 8 4 3 3 4 4 5 5 5 2 2 2 2 2
Clouds SC FW CL CL FW FW B1 SC SC FW FW CL FW FW SC SC B1 B1 SC SC B1
PoP 12hr 5 20 5 20 30
QPF 12hr 0 0 0 0 0.59
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S C C C
Tstms S S S C C
Heat index 90 98 98 90 94101100 92
Max heat 90 98 98 101 102
Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 89 73 84 72 87 72 91 71 90
Temp 86 78 76 74 82 78 74 74 85 81 75 74 88 82 75 71 87 80
Dewpt 77 75 74 74 76 75 73 73 75 74 73 73 73 72 69 67 70 70
PWind dir E E E NE NW SW W W N
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B2 B2 B1 B2 B2 B2 B1 B1 B2 B1 SC SC B1 SC FW FW SC
PoP 12hr 80 60 80 40 60 20 30 10 20
Rain shwrs C D L C C D C S C L S C S
Tstms C D C C C L C S S L S C S
$$
SCZ050-200800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
706 PM EDT Tue Aug 19 2025
Date 08/19/25 Wed 08/20/25 Thu 08/21/25 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 90 77 92 76
Temp 82 80 78 76 77 83 87 88 85 81 79 77 78 85 90 89 85 81 79 78 78
Dewpt 76 75 75 75 75 75 75 75 75 74 74 73 73 74 74 75 75 76 76 75 75
RH 82 85 91 97 94 77 68 66 72 79 85 87 85 70 60 64 72 85 91 91 91
Wind dir E NE N N N N N N N N NW NW NW NW NW NW SW SW W N NE
Wind spd 9 6 6 9 10 12 13 12 9 8 6 8 9 9 8 6 4 3 2 3 5
Clouds FW FW FW FW SC B1 B1 B1 B1 SC FW FW FW FW SC SC B1 B1 B1 B1 B1
PoP 12hr 10 20 5 20 30
QPF 12hr 0 0 0 0 0.09
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S C C C C C
Tstms S S S S C C C C S
Heat index 90 96 98 94 93 99 99 94
Max heat 91 96 99 90 99 101 92
High Surf Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25
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 86 75 82 74 86 75 89 73 87
Temp 84 80 77 77 81 79 77 76 84 81 77 77 88 82 77 74 85 81
Dewpt 77 75 75 75 75 75 74 74 75 75 75 75 75 75 73 69 70 71
PWind dir E E E E E W W W NE
Wind char LT LT GN LT LT LT LT LT LT
Avg clouds B1 B2 B1 B1 B2 B2 B1 B1 B1 B2 B1 SC SC B1 FW FW FW SC
PoP 12hr 60 50 70 50 60 30 30 20 20
Rain shwrs C L C C L L C C C L C S S C S S
Tstms C L C C C L C C C C C S S C S S
$$
SCZ048-200800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
706 PM EDT Tue Aug 19 2025
Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 74 91 75 93 75
Temp 81 78 76 74 75 83 89 88 83 79 77 75 76 85 90 89 83 79 77 76 76
Dewpt 75 75 73 73 73 75 74 73 74 72 71 71 72 74 74 74 75 75 74 73 74
RH 82 91 90 97 94 77 61 61 74 79 82 87 87 70 60 61 77 88 90 90 94
Wind dir E NE N N N N N N N NW NW NW NW NW NW W SW W W N NE
Wind spd 4 3 4 5 9 10 10 9 4 4 4 5 5 6 5 5 2 2 2 2 3
Clouds SC FW CL FW FW SC SC SC SC SC FW FW FW FW SC SC B1 B1 SC SC B1
PoP 12hr 5 20 5 20 30
QPF 12hr 0 0 0 0 0.06
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C C C C
Tstms S S C C S S
Heat index 90 98 96 90 93 99 98 90
Max heat 98 98 99 99
High Surf Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 87 74 83 72 87 73 90 71 88
Temp 84 78 76 75 82 77 75 74 85 80 75 74 88 81 75 72 87 79
Dewpt 77 75 74 74 76 75 73 73 75 74 74 73 74 73 70 67 70 70
PWind dir E E E NE E W W W NE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 SC SC B1 FW FW FW SC
PoP 12hr 70 60 70 40 60 20 30 10 20
Rain shwrs C L L C C L C C C L S C S
Tstms C L C C C L C S S C S C S
$$
SCZ043-200800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
706 PM EDT Tue Aug 19 2025
Date 08/19/25 Wed 08/20/25 Thu 08/21/25 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 71 89 72 92 72
Temp 79 75 73 72 74 83 87 87 81 77 75 73 74 84 89 89 81 76 74 73 75
Dewpt 74 75 73 72 73 73 72 72 73 72 71 71 72 72 71 71 74 74 73 73 73
RH 85100100100 97 72 61 61 77 85 87 93 93 67 56 56 79 94 97100 94
Wind dir E NE N N N N N N N N NW NW NW N NW NW NW W NW NE NE
Wind spd 2 2 2 5 6 10 10 9 5 3 3 4 5 6 6 5 2 1 1 2 3
Clouds SC FW FW FW SC SC B1 B1 SC FW FW FW FW FW SC SC B1 B1 SC SC B1
PoP 12hr 10 10 0 20 30
QPF 12hr 0 0 0 0 0.26
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C S S C
Tstms S S C C S S
Heat index 94 94 90 95 95
Max heat 94 94 95 96
Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25
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 86 70 80 69 84 70 88 67 86
Temp 84 76 73 73 80 75 71 72 83 78 72 73 86 79 72 70 84 76
Dewpt 74 74 73 73 74 73 71 72 72 73 72 72 71 72 69 67 65 69
PWind dir E E E E NE SW W W N
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B2 B1 B1 B2 B2 B2 B1 B1 B2 SC SC SC B1 FW FW FW SC
PoP 12hr 70 50 70 30 60 20 30 5 20
Rain shwrs C L C C C L C S C L S C S
Tstms C L C C C L C S S C S C S
$$
GAZ099-200800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
706 PM EDT Tue Aug 19 2025
Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 73 93 73 95 74
Temp 82 77 75 73 74 84 90 90 84 78 76 74 75 87 93 91 84 79 76 75 76
Dewpt 73 74 73 72 73 73 71 70 71 70 70 70 71 71 70 71 72 73 73 73 73
RH 74 90 94 97 97 70 54 52 65 76 82 87 87 59 47 52 67 82 90 94 90
Wind dir E E N N N N N N N NW NW NW N N NW NW W N SE NE NE
Wind spd 2 2 2 2 3 6 8 6 3 2 2 2 2 3 4 4 2 1 1 1 2
Clouds SC SC FW CL FW FW SC SC FW FW FW FW FW FW SC SC B1 B1 FW SC SC
PoP 12hr 10 10 0 20 30
QPF 12hr 0 0 0 0 0.06
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C C
Tstms S S C S
Heat index 90 96 96 93 99 98 90
Max heat 92 96 97 99 99
Date 08/22 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 90 72 85 71 87 71 91 68 89
Temp 87 78 74 73 82 77 72 72 84 80 73 73 88 81 72 69 87 79
Dewpt 74 74 73 72 74 73 72 71 72 72 71 71 70 69 65 63 65 66
PWind dir E E E NE N W NW NW N
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B2 B2 B1 B1 B2 B1 B1 B1 B1 SC FW FW SC FW FW FW FW
PoP 12hr 80 60 80 30 50 10 20 5 10
Rain shwrs C D L C C D C S C S
Tstms S D C S S L S S C S
$$
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