Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
295
FOUS52 KCHS 170611
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
211 AM EDT Thu Sep 17 2026
SCZ150-172000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
211 AM EDT Thu Sep 17 2026
Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26
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 89 69 92 72 91
Temp 69 70 82 87 85 76 73 72 70 70 84 90 90 81 77 75 73 74 85 89 86 79
Dewpt 66 66 66 64 64 66 68 68 67 68 68 66 67 68 70 71 71 71 72 71 71 72
RH 90 87 58 46 50 71 84 87 90 93 59 45 47 65 79 87 93 90 65 56 61 79
Wind dir NE NE NE NE E SE N N N NW NW N S S S N N NW NE E E E
Wind spd 5 8 9 8 9 5 0 0 0 3 2 0 8 6 3 0 0 2 3 6 11 6
Clouds CL CL CL FW FW FW FW CL CL FW FW FW SC FW FW FW FW FW FW SC SC SC
PoP 12hr 5 0 0 5 30
QPF 12hr 0 0 0 0 0.03
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C
Tstms C C
Heat index 93 93 91 95 91
Max heat 93 93 95 95
Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26
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 89 73 88 72 86 72 84
Temp 75 74 87 80 75 75 86 81 76 73 84 79 75 73 82 78
Dewpt 73 73 72 73 73 74 73 73 74 73 74 74 73 72 73 72
PWind dir E E SE E NE NE NE NE
Wind char LT LT LT LT LT LT LT GN
Avg clouds SC SC SC B1 B1 SC B1 B1 B1 B1 B1 B2 B2 B1 B1 B2
PoP 12hr 10 30 5 40 40 70 30 50
Rain shwrs S C C C C C C L C S C C
Tstms S C S C C S S C S C
$$
GAZ218-172000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
211 AM EDT Thu Sep 17 2026
Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 88 69 92 72 91
Temp 70 70 82 87 86 77 73 72 70 70 84 91 91 82 75 74 73 73 85 90 87 79
Dewpt 66 66 68 66 66 67 68 68 68 68 69 67 68 68 70 71 70 70 72 71 73 73
RH 87 87 63 50 51 71 84 87 93 93 61 45 47 63 84 90 90 90 65 54 63 82
Wind dir N NE NE E E E NE N N N NE E SE SE S N NW N NE E SE SE
Wind spd 4 6 9 9 9 4 1 0 2 3 3 3 6 4 2 0 1 2 2 5 10 5
Clouds FW CL FW FW CL CL FW FW FW FW CL FW SC SC FW FW FW FW SC SC SC SC
PoP 12hr 0 0 0 5 20
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 94 95 91 96 94
Max heat 90 94 95 96 97
Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 73 88 73 88 73 87 72 85
Temp 75 74 87 80 75 74 86 80 75 73 85 79 75 72 83 78
Dewpt 73 73 74 74 73 73 75 74 74 73 76 75 73 72 75 73
PWind dir E E E NE NE NE NE NE
Wind char LT LT LT LT LT LT LT GN
Avg clouds SC SC B1 B1 B1 SC B1 B1 B1 SC B1 B1 B1 SC B1 B1
PoP 12hr 10 50 10 40 40 70 30 60
Rain shwrs C C C C C C C L C C C L
Tstms C C S C C S C S S C
$$
SCZ150-172000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
211 AM EDT Thu Sep 17 2026
Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26
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 86 72 90 74 89
Temp 72 73 82 86 84 78 76 75 73 73 84 89 88 82 78 77 75 75 85 88 85 80
Dewpt 68 68 70 70 69 70 70 70 70 70 71 72 71 72 72 73 73 73 74 76 75 75
RH 87 84 67 59 61 76 82 84 90 90 65 57 57 72 82 87 94 94 70 68 72 85
Wind dir NE NE NE E E E E E N N N SE S S S SW W NW NE E E E
Wind spd 4 6 10 10 9 4 2 1 1 2 2 4 6 4 2 1 1 2 3 8 10 5
Clouds FW CL FW FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW SC SC SC
PoP 12hr 5 0 0 5 20
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 91 95 94 92 99 94
Max heat 91 90 95 95 99 99
Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26
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 75 87 75 87 74 85 73 84
Temp 77 76 87 82 78 77 86 81 78 75 84 80 76 74 83 78
Dewpt 74 74 77 75 75 75 77 76 75 75 78 76 75 74 77 75
PWind dir E E E E E NE NE NE
Wind char LT LT LT LT LT LT LT GN
Avg clouds SC SC SC B1 B1 SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B2
PoP 12hr 10 20 5 40 50 70 50 50
Rain shwrs S S C C C C L L C C C C
Tstms S S S C C S S C S S C
$$
SCZ148-172000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
211 AM EDT Thu Sep 17 2026
Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 87 70 91 73 90
Temp 71 72 82 87 85 77 74 73 71 71 84 90 90 82 76 75 74 75 85 89 87 79
Dewpt 67 67 68 68 68 69 69 69 69 69 69 70 70 70 71 72 72 72 73 75 75 74
RH 87 84 63 53 57 76 84 87 93 93 61 52 52 67 85 90 93 90 67 64 68 85
Wind dir NE NE NE E E E E N N N N E SE S S N N NW NE E SE SE
Wind spd 4 6 9 8 8 3 1 0 1 2 2 2 5 4 2 0 0 2 2 4 9 4
Clouds FW CL CL FW CL FW FW FW CL FW FW FW FW SC FW FW FW FW FW SC SC SC
PoP 12hr 0 0 0 5 20
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 91 96 96 92 99 96
Max heat 91 91 96 96 99 99
Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 74 88 74 87 74 86 73 84
Temp 76 75 86 81 76 75 85 81 75 74 83 79 75 73 82 78
Dewpt 73 74 76 74 74 74 77 75 74 74 77 75 73 72 76 74
PWind dir E E E E NE NE NE NE
Wind char LT LT LT LT LT LT LT GN
Avg clouds SC SC B1 B1 B1 SC SC B1 B1 SC B1 B1 B2 B1 B1 B2
PoP 12hr 10 40 5 40 40 70 40 50
Rain shwrs C C C C C C C L C C C C
Tstms C C S C C S C S C
$$
SCZ043-172000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
211 AM EDT Thu Sep 17 2026
Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26
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 89 65 92 70 91
Temp 66 66 82 87 87 76 71 68 66 67 83 90 92 81 74 72 70 71 84 90 87 77
Dewpt 63 65 64 61 61 64 65 65 64 66 66 65 67 67 68 68 68 70 69 69 71 71
RH 90 97 55 42 42 66 81 90 93 97 57 44 44 63 82 87 93 97 61 50 59 82
Wind dir N N NE E E SE N N N N N N N S N N N N N E SE SE
Wind spd 3 5 8 6 4 4 0 0 0 0 0 0 0 5 0 0 0 0 0 3 8 5
Clouds FW CL CL FW CL FW FW FW FW CL FW FW FW SC FW FW FW FW FW SC B1 SC
PoP 12hr 0 0 0 10 40
QPF 12hr 0 0 0 0 0.06
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C
Tstms C C
Heat index 92 96 95 93
Max heat 92 96 95 96
Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26
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 89 70 88 70 86 70 84
Temp 72 72 87 79 72 72 87 79 72 72 84 77 72 71 82 76
Dewpt 71 72 71 72 71 72 72 72 71 72 72 72 71 70 71 70
PWind dir SE E SE E E NE NE NE
Wind char LT LT LT LT LT LT LT GN
Avg clouds SC SC SC B1 B1 SC B1 B1 B1 SC B1 B1 B2 B1 B1 B1
PoP 12hr 10 40 5 40 40 70 20 40
Rain shwrs S C S C C C C L S C C
Tstms S C C S C S C
$$
GAZ099-172000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
211 AM EDT Thu Sep 17 2026
Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 90 66 93 70 92
Temp 67 67 81 88 88 77 72 69 67 68 83 91 92 82 76 73 71 72 84 90 90 79
Dewpt 66 65 66 63 62 65 66 67 66 66 67 66 65 68 67 68 68 68 70 70 70 73
RH 97 93 60 43 42 67 81 93 97 93 59 44 41 63 74 84 90 87 63 52 52 82
Wind dir NE NE NE NE E E SE N N NW N E E SE S S SW W NE E E E
Wind spd 2 4 8 8 6 3 2 0 0 2 2 3 3 2 3 1 1 1 2 4 5 5
Clouds CL CL CL CL CL CL FW CL FW CL CL FW FW FW FW FW SC SC SC FW SC SC
PoP 12hr 0 0 0 5 30
QPF 12hr 0 0 0 0 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C
Tstms C C
Heat index 94 94 96 96
Max heat 90 94 94 96 97
Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 71 91 71 90 70 89 71 86
Temp 73 72 89 80 73 73 88 80 73 71 86 78 73 71 84 76
Dewpt 73 72 72 74 73 72 72 74 73 71 73 75 73 71 73 74
PWind dir E E SE E E NE NE NE
Wind char LT LT LT LT LT LT LT GN
Avg clouds SC SC B1 B1 B1 SC B1 B1 B1 SC B1 B1 B1 SC B2 B1
PoP 12hr 10 20 5 30 20 70 20 50
Rain shwrs S C S S S L S S C
Tstms S C S C S C
$$
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