Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
810
FOUS52 KCHS 091745
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
145 PM EDT Sat Aug 9 2025
SCZ050-100800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
145 PM EDT Sat Aug 9 2025
Date 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue
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 72 82 74 85 74
Temp 79 76 74 75 74 74 77 79 80 77 76 76 75 76 80 82 82 78 76 76 74 76
Dewpt 73 73 72 73 72 73 74 73 74 74 74 73 73 74 74 74 74 74 74 74 74 75
RH 82 90 93 94 93 97 90 82 82 90 94 90 94 94 82 77 77 88 94 94100 97
Wind dir E E NE NE E E E SE E E E E E E SE SE SE SE SE SE SE NE
Wind spd 12 10 6 6 6 8 10 10 10 8 5 4 4 5 6 8 8 5 3 2 2 2
Clouds B2 B2 B2 B2 B2 OV B2 OV B2 OV B2 B2 B2 OV OV B2 B2 B2 B1 B1 B1 B2
PoP 12hr 80 90 70 90 40
QPF 12hr 0.29 0.54 0.38 0.52 0.07
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C C C L D D D L L L L L D D D D S S C C L
Tstms C C C C C C L L L C C C C L L L S S C C S
Coast Flood Y
Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25
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 75 90 76 92 76 90 76 90
Temp 84 80 77 77 88 82 78 78 90 82 78 78 88 82 78 78 88 81
Dewpt 75 75 75 75 75 76 76 75 75 76 76 75 75 76 76 75 74 75
PWind dir SE SW SW SW SW SW S SE SE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B2 B2 B1 B1 B1 B1 SC SC SC B1 SC SC B1 B1 B1 SC B1 B1
PoP 12hr 70 30 50 20 50 20 50 30 50
Rain shwrs L L C C C S S C C S S C C C S C C
Tstms C L C C C S S C C S S C C C S C C
$$
GAZ118-100800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
145 PM EDT Sat Aug 9 2025
Date 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 74 83 74 87 75
Temp 79 76 74 75 74 74 78 81 81 78 76 76 75 76 82 84 84 79 77 76 75 76
Dewpt 76 74 74 73 74 74 77 77 76 75 75 75 75 75 78 78 77 76 76 76 75 75
RH 91 94100 94100100 97 88 85 91 97 97100 97 88 82 80 91 97100100 97
Wind dir E E E NE E E E E E E E E E E SE SE SE SE SE SE SE NE
Wind spd 11 8 5 4 5 5 6 8 8 5 4 3 3 3 5 6 8 4 2 2 2 2
Clouds B2 OV B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 OV OV B2 B2 B1 B1 B1
PoP 12hr 70 90 70 80 40
QPF 12hr 0.30 0.28 0.13 0.46 0.09
Snow 12hr 00-00 00-00 00-00
Rain shwrs C L C L L D L D L L L L L L L D D C C C C C
Tstms C C C L C C D L C C C C C C D L C C C C S
Heat index 91 95 94
Max heat 90 95 96
Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 89 75 92 75 94 76 92 76 91
Temp 87 81 77 76 90 83 77 77 92 84 78 78 90 83 78 77 89 82
Dewpt 78 77 75 76 79 78 76 75 78 77 76 76 79 77 76 76 78 76
PWind dir SE S SW SW SW SW S SW E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B2 B1 B1 SC B1 B1 SC SC B1 SC SC SC B1 B1 SC SC B2
PoP 12hr 70 30 50 20 50 20 50 30 60
Rain shwrs C L C S S C S S C S S C C S L
Tstms C L C S S C S S C S S C C S L
$$
SCZ050-100800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
145 PM EDT Sat Aug 9 2025
Date 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue
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 82 75 84 76
Temp 80 78 77 77 76 76 78 80 81 79 78 77 77 78 80 82 82 80 79 78 76 78
Dewpt 76 75 74 75 75 75 77 77 77 76 76 76 75 76 78 78 78 77 76 76 76 77
RH 88 91 90 94 97 97 97 91 88 91 94 97 94 94 94 88 88 91 91 94100 97
Wind dir E E E E E E E SE SE E E SE SE SE SE SE SE SE SE S S E
Wind spd 13 10 6 5 6 6 10 10 10 8 5 4 4 4 6 8 8 5 4 3 3 3
Clouds OV B2 B1 B2 B2 OV OV OV OV OV B2 B2 B2 OV OV B2 B2 B2 B1 B1 B1 B2
PoP 12hr 90 90 80 90 50
QPF 12hr 0.35 0.56 0.51 0.45 0.11
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C C L L D D D L L L D D D D L L S S C C L
Tstms S C C C L C C L L L C C C L L L L S S C C C
Heat index 91 91
Max heat 90 91 91
Coast Flood Y
Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25
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 76 90 77 91 77 90 77 89
Temp 85 81 78 78 88 83 79 79 90 83 79 79 88 83 80 78 87 83
Dewpt 78 77 76 77 78 78 77 78 79 79 77 77 79 79 77 77 78 78
PWind dir SE SW SW SW SW SW S SE E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr 70 30 50 30 40 30 50 30 50
Rain shwrs L C S C C C C C C C C C C C C C C C
Tstms C C S C C C C C C C C C C C C C C C
$$
SCZ048-100800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
145 PM EDT Sat Aug 9 2025
Date 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 73 82 74 85 75
Temp 79 75 74 75 74 74 77 80 80 77 76 76 75 76 80 83 83 78 77 76 75 76
Dewpt 76 74 74 73 74 74 77 77 76 76 75 75 75 75 77 78 77 76 76 76 75 76
RH 91 97100 94100100100 91 88 97 97 97100 97 91 85 82 94 97100100100
Wind dir E E E NE NE E E SE E E E E E E SE SE SE SE SE SE SE N
Wind spd 10 8 5 5 5 5 8 8 8 5 4 3 3 4 5 6 6 4 2 2 2 2
Wind gust 21 18
Clouds B2 B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2
PoP 12hr 70 90 70 80 40
QPF 12hr 1.22 0.36 0.24 0.45 0.06
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C C L L L D D D L L L L D D D D S S C C L
Tstms C C C L C C D L C C C C C C L L S S C C S
Heat index 93 92
Max heat 93 95
Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 87 75 90 75 93 76 91 76 90
Temp 85 80 77 76 89 82 78 76 91 83 78 78 89 82 78 78 88 81
Dewpt 78 77 75 76 79 77 76 76 78 78 77 76 79 77 76 76 78 76
PWind dir SE SW SW SW SW SW S E E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B2 B2 B1 B1 B1 B1 B1 SC SC B1 SC SC SC B1 B1 SC B1 B1
PoP 12hr 60 30 50 20 40 20 50 30 50
Rain shwrs L L S C S C S S S C S S S C C S C C
Tstms C L S C S C S S S C S S S C C S S C
$$
SCZ043-100800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
145 PM EDT Sat Aug 9 2025
Date 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue
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 79 71 82 72
Temp 77 73 72 72 71 73 77 77 77 74 73 73 72 74 79 81 80 75 74 74 72 74
Dewpt 73 73 72 72 71 73 74 75 74 74 73 73 72 74 74 75 75 75 74 73 72 74
RH 87100100100100100 90 94 90100100100100100 85 82 85100100 97100100
Wind dir E E E NE NE E E E E E E E E E E SE SE SE SE SE E NE
Wind spd 10 5 5 4 5 5 8 8 6 5 2 2 2 3 5 5 5 3 1 1 1 1
Clouds B2 B2 B2 B2 B2 B2 B2 OV B2 OV B2 B2 B2 B2 B2 OV OV B2 B2 B2 B1 B2
PoP 12hr 70 90 50 80 40
QPF 12hr 1.68 1.30 0.14 0.56 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S C L D L D L C C C C L L D D S S C C C
Tstms C S C C S C L L C C C C C C L L S S C C
Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25
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 85 72 88 73 91 73 89 73 87
Temp 83 77 74 74 87 80 75 76 89 81 75 75 88 80 75 75 87 79
Dewpt 75 76 74 74 75 76 75 75 75 76 75 75 75 76 75 75 75 76
PWind dir SE SW SW SW SW SW SW E SE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B2 B2 B1 B1 B1 B1 B1 SC SC B1 SC SC SC B1 B1 SC SC B1
PoP 12hr 70 20 50 20 50 20 50 20 50
Rain shwrs C L S S S C S C S S C S S C
Tstms C L S S S C S C S S C S S C
$$
GAZ099-100800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
145 PM EDT Sat Aug 9 2025
Date 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 72 84 72 86 72
Temp 78 75 74 72 73 73 78 82 81 77 74 74 73 74 80 84 82 78 75 74 72 74
Dewpt 73 73 73 72 72 73 74 75 74 74 74 73 73 74 76 76 75 75 75 74 72 74
RH 85 94 97100 97100 88 79 79 90100 97100100 88 77 79 91100100100100
Wind dir E E E E NE NE E SE E E E E E E E E E E SE SE SE E
Wind spd 10 5 4 3 4 5 6 8 8 4 3 2 2 3 4 5 5 2 2 1 1 1
Wind gust 16
Clouds B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B2
PoP 12hr 40 80 40 80 40
QPF 12hr 0.07 0.14 0.08 0.81 0.09
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C S S C C C D L C C C C C C D D C C C C C
Tstms C S C L L C S C L L C S C C
Heat index 93
Max heat 90 93 93
Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 87 73 91 74 93 74 93 74 90
Temp 86 80 75 75 89 82 76 76 91 83 76 76 91 82 76 76 88 81
Dewpt 76 76 75 75 76 76 75 75 76 76 75 75 77 76 75 74 76 75
PWind dir SE S SW SW W SW NW E E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B2 B2 B1 B1 B1 SC SC SC B1 SC FW SC B1 SC SC SC B1
PoP 12hr 60 20 50 20 40 20 40 20 50
Rain shwrs C L S S C S C S C S S C
Tstms S L S S C S C S C S S C
$$
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