Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
520
FOUS52 KCHS 121733
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
133 PM EDT Sat Jul 12 2025
SCZ050-130800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
133 PM EDT Sat Jul 12 2025
Date 07/12/25 Sun 07/13/25 Mon 07/14/25 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 75 96 76 93 75
Temp 87 81 78 77 76 77 88 92 91 83 79 78 76 79 87 90 88 82 78 77 76 78
Dewpt 75 75 75 74 74 75 74 73 75 76 75 75 75 76 75 75 75 75 76 75 75 76
RH 68 82 91 90 94 94 63 54 60 80 88 91 97 91 68 62 66 79 94 94 97 94
Wind dir S S SW SW SW W NW N S E S S E E E E SE SE E E E E
Wind spd 8 6 4 3 2 2 3 2 4 4 2 1 1 2 4 6 8 5 2 2 2 3
Clouds B1 B1 SC SC SC FW FW B1 B1 SC SC FW FW SC SC B1 B1 B1 B1 SC SC B1
PoP 12hr 30 40 10 50 10
QPF 12hr 0.01 0.03 0 0.05 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S C C S S C C C
Tstms C C S C C S S C C S
Heat index 96 97101102 91 96101 98
Max heat 101 102 105 101 99
Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
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 75 90 76 91 77 93 77 94
Temp 88 81 77 78 86 81 78 78 88 82 79 80 90 83 79 80 91 83
Dewpt 75 75 75 75 74 74 75 75 73 74 75 76 75 75 76 76 75 76
PWind dir SE SE S S S S SW SW SW
Wind char GN LT GN LT GN GN GN LT GN
Avg clouds B1 B2 SC B1 B2 B2 SC B1 B2 B2 B1 B1 B1 B2 SC SC B1 B2
PoP 12hr 70 30 80 30 60 20 60 20 60
Rain shwrs C L S C D L S C L L S C L S S C L
Tstms C L S C C L S C C L S C L S S C L
$$
GAZ118-130800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
133 PM EDT Sat Jul 12 2025
Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 75 96 76 95 76
Temp 88 83 79 77 76 77 88 94 94 86 81 78 76 78 89 93 90 83 79 77 76 78
Dewpt 76 76 76 75 74 75 76 74 73 75 75 75 74 75 76 75 76 76 76 76 75 76
RH 68 80 91 94 94 94 68 53 51 70 82 91 94 91 66 56 64 80 91 97 97 94
Wind dir SW SW S SW W W NW NW NW W SW W W NW NE E E E E E E NE
Wind spd 5 3 2 2 2 3 5 5 5 3 2 2 2 2 4 5 5 4 2 2 2 2
Clouds B1 B1 SC SC FW SC FW FW B1 SC FW FW FW FW FW B1 B1 B1 B1 SC SC B1
PoP 12hr 20 30 10 50 10
QPF 12hr 0.01 0.16 0 0.08 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C S C C C C
Tstms C S C C C
Heat index 99 91 99105103 95 100105102 91
Max heat 102 105 105 92 105 105
Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 91 77 90 76 91 77 92 77 94
Temp 89 83 79 79 88 83 78 78 89 83 79 79 90 84 79 79 92 85
Dewpt 75 75 75 76 76 76 75 76 75 75 76 76 76 75 76 76 76 76
PWind dir E SE SE S S S S SW SW
Wind char LT LT GN LT GN LT LT LT LT
Avg clouds B1 B2 B1 SC B2 OV B1 SC B1 B2 B1 SC B1 B2 SC SC SC B2
PoP 12hr 60 20 80 20 70 20 70 20 60
Rain shwrs C L S S L D S S C L S C L S S L
Tstms C L S S C L S S C L S S L S S L
$$
SCZ050-130800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
133 PM EDT Sat Jul 12 2025
Date 07/12/25 Sun 07/13/25 Mon 07/14/25 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 76 94 77 91 77
Temp 87 82 80 78 77 78 88 91 90 84 81 79 78 79 87 89 88 83 80 79 78 79
Dewpt 78 77 77 76 75 76 77 77 77 76 76 77 76 77 77 77 77 77 77 77 76 76
RH 75 85 91 94 94 94 70 64 66 77 85 94 94 94 72 68 70 82 91 94 94 91
Wind dir S SW SW SW W W NW SE S E S S E NE E E E SE E SE E E
Wind spd 10 6 4 3 3 2 3 5 6 4 2 2 2 2 4 8 8 5 3 2 2 3
Clouds B1 B1 SC SC SC SC FW B1 B1 B1 SC FW FW SC SC B1 B1 B1 B1 SC SC B1
PoP 12hr 40 40 10 40 20
QPF 12hr 0.01 0.02 0 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S C S C C S S C C S S C
Tstms C C S S S C C S S C C S S C
Heat index 100 90 99105102 92 99102100 92
Max heat 102 105 106 102 102 90
Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
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 78 89 79 89 78 91 79 92
Temp 87 82 80 80 87 82 80 81 88 83 80 80 89 83 81 81 90 84
Dewpt 77 76 76 76 77 76 76 76 76 77 77 78 78 77 77 78 79 78
PWind dir SE S S S S S SW SW SW
Wind char LT LT GN LT GN GN GN LT GN
Avg clouds B1 B2 SC B1 B2 B2 SC B1 B2 B1 B1 B1 B1 B2 SC SC B1 B2
PoP 12hr 60 40 80 30 60 30 60 30 60
Rain shwrs C L S C D L S C L C S C C L S C C L
Tstms C L S C C L S C C C S S C C S S C L
$$
SCZ048-130800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
133 PM EDT Sat Jul 12 2025
Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 75 95 77 92 76
Temp 87 82 79 77 76 77 87 93 92 84 81 79 77 79 87 91 88 82 79 78 76 78
Dewpt 76 77 77 75 75 75 76 75 75 76 75 75 75 76 77 76 76 76 77 76 76 76
RH 70 85 94 94 97 94 70 56 58 77 82 88 94 91 72 62 68 82 94 94100 94
Wind dir SW S SW SW W W NW NW NE S S W NW N NE E SE SE E E E NE
Wind spd 5 4 2 2 2 2 3 3 4 3 2 2 1 2 3 5 5 4 2 2 2 2
Clouds B1 SC SC SC FW FW FW SC B1 SC SC FW FW FW SC B1 B1 B1 SC SC SC B1
PoP 12hr 20 40 10 40 10
QPF 12hr 0.01 0.31 0 0.04 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C S S C C C C
Tstms C S S C C C S
Heat index 98 90 98105103 93 99103 99
Max heat 100 105 106 91 103 103
Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 89 77 88 77 89 78 91 77 93
Temp 87 81 79 79 86 82 79 79 87 82 79 80 89 83 79 79 91 83
Dewpt 76 76 75 76 77 76 76 76 76 76 76 77 77 76 77 76 77 78
PWind dir E SE S S S S S SW SW
Wind char LT LT GN LT GN LT LT LT LT
Avg clouds B1 B2 SC B1 B2 B2 SC B1 B1 B2 B1 SC B1 B2 SC SC SC B1
PoP 12hr 60 30 70 30 60 20 60 20 50
Rain shwrs C L S C L L S C C L S S C L S S C
Tstms C L S C C L S S C L S S L S S C
$$
SCZ043-130800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
133 PM EDT Sat Jul 12 2025
Date 07/12/25 Sun 07/13/25 Mon 07/14/25 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 93 73 92 73
Temp 87 80 76 74 73 75 87 92 91 83 78 75 73 77 87 90 88 81 77 75 73 76
Dewpt 74 75 75 74 73 75 74 73 73 75 75 75 73 76 75 75 74 76 76 75 73 76
RH 65 85 97100100100 65 54 56 77 91100100 97 68 62 63 85 97100100100
Wind dir SW SW SW SW SW W NW NW NW NE S SW SW N E E E SE E E E NE
Wind spd 5 3 1 1 1 1 3 3 3 2 1 1 1 1 2 4 4 3 1 1 1 2
Clouds B1 SC SC SC FW SC FW FW B1 SC SC FW FW FW SC B1 B1 B1 B1 SC SC B1
PoP 12hr 20 40 10 50 10
QPF 12hr 0.01 0.17 0 0.06 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C S C C C C
Tstms C S C C C
Heat index 95 95101100 90 96101 97
Max heat 97 101 101 101 99
Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
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 88 73 87 74 89 74 90 75 91
Temp 87 79 74 76 85 79 75 76 87 81 75 77 89 81 76 77 90 82
Dewpt 74 75 74 75 75 74 75 76 74 74 75 76 75 75 75 76 75 76
PWind dir E SE S S S S SW SW SW
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B2 B1 SC B2 B2 SC B1 B1 B2 SC SC B1 B2 SC SC SC B2
PoP 12hr 60 20 80 20 60 20 60 20 60
Rain shwrs C L S S L D S S C L S C L S S L
Tstms C L S S C L S S C L S S L S S L
$$
GAZ099-130800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
133 PM EDT Sat Jul 12 2025
Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 73 97 75 96 73
Temp 88 82 78 76 74 76 88 94 94 88 81 77 75 77 88 94 93 84 78 75 73 75
Dewpt 73 75 75 74 73 74 74 72 71 73 73 72 72 74 74 74 73 75 75 75 73 75
RH 61 79 91 94 97 94 63 49 47 61 77 85 90 90 63 53 52 74 91100100100
Wind dir W S SW SW W NW NW NW NW SW W W NW NW N N NE E E E NE NE
Wind spd 4 2 1 1 2 2 5 5 5 2 1 1 2 2 3 4 4 2 2 1 1 2
Clouds B1 SC SC SC FW FW CL FW FW SC SC FW FW FW CL B1 B1 SC SC SC SC B1
PoP 12hr 10 10 10 40 20
QPF 12hr 0 0 0 0.03 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C S S S
Tstms C C C S S
Heat index 96 97102101 96 97105102 92
Max heat 98 102 104 90 105 105
Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 92 73 91 73 92 73 93 74 95
Temp 90 83 75 76 89 83 75 75 90 82 76 76 91 85 76 76 93 85
Dewpt 74 75 75 75 74 75 75 75 73 74 74 75 75 75 75 75 74 75
PWind dir E SE SE S S S S S SW
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC B1 B1 SC B1 B2 B1 SC B1 B2 B1 SC SC B2 SC SC SC B2
PoP 12hr 50 20 70 20 60 20 60 20 60
Rain shwrs S C S C L S S S L S S L S L
Tstms S C S S L S S L S S L S L
$$
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