Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
451
FOUS52 KCHS 130533
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
133 AM EDT Sun Jul 13 2025
SCZ050-132000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
133 AM EDT Sun Jul 13 2025
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25
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 95 75 93 75 91
Temp 76 78 86 90 89 82 78 78 77 78 87 90 89 82 79 77 75 78 86 87 87 81
Dewpt 74 74 75 73 75 74 74 76 75 76 74 73 75 75 75 75 75 75 74 74 75 74
RH 94 88 70 58 64 77 88 94 94 94 65 58 64 79 88 94100 91 68 65 68 79
Wind dir SW NW NW N S E S SW E E E E SE SE SE SE E E E SE SE SE
Wind spd 2 2 4 3 5 4 2 1 1 2 4 6 8 5 3 2 2 3 6 10 11 9
Clouds SC SC SC B1 B1 SC SC FW SC SC SC B1 B1 SC SC FW SC B1 B1 B1 B1 B1
PoP 12hr 40 10 40 10 50
QPF 12hr 0.02 0 0.59 0 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S S C C C C C C
Tstms C C S S C C C C C C
Heat index 95 98 99 95 98 99 94 95 96
Max heat 98 99 98 99 95 97
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
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 76 90 76 91 77 93 77 93
Temp 77 78 86 81 78 78 89 82 78 79 90 83 79 79 91 83
Dewpt 75 75 74 75 75 75 74 75 76 76 74 74 75 75 73 75
PWind dir S S S S S SW SW SW
Wind char LT GN LT GN LT GN LT GN
Avg clouds B1 SC B2 B1 B1 SC B1 B1 SC SC B1 B1 B1 B1 B1 B1
PoP 12hr 20 70 10 50 10 50 20 50
Rain shwrs S L C C C C C S S C C
Tstms S C C C C C C S S C C
$$
GAZ118-132000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
133 AM EDT Sun Jul 13 2025
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 96 76 95 75 91
Temp 76 78 87 93 92 85 81 78 77 78 88 94 91 84 79 77 75 77 86 89 89 82
Dewpt 74 75 77 74 74 75 75 75 74 76 77 76 76 76 76 75 75 76 77 76 75 76
RH 94 91 72 54 56 72 82 91 90 94 70 56 62 77 91 94100 97 75 66 64 82
Wind dir W W NW NW N SE SW W W N N E E SE SE SE E E E SE SE SE
Wind spd 2 2 5 5 5 3 2 2 2 2 3 4 5 4 2 2 2 2 5 6 9 6
Clouds FW FW FW SC B1 SC FW FW CL FW FW B1 B1 B1 SC FW FW SC SC B2 B2 B1
PoP 12hr 40 20 50 10 50
QPF 12hr 0 0 0.10 0 0.03
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C S C C S S C C
Tstms S C S C C S S C C
Heat index 99103102 94 100107103 93 97100 99
Max heat 105 105 90 107 106 100 101
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 76 90 76 91 76 93 76 94
Temp 78 78 88 83 78 78 89 83 78 77 90 84 78 77 92 85
Dewpt 75 75 76 75 75 76 76 76 76 76 77 76 75 75 76 76
PWind dir SE SE S S S S SW SW
Wind char LT GN LT GN LT LT LT LT
Avg clouds B1 SC B2 B2 B1 SC B1 B2 B1 SC SC B2 B1 SC SC B1
PoP 12hr 10 70 10 60 20 60 20 50
Rain shwrs L L C L S S L S S C
Tstms C L C L S S L S S C
$$
SCZ050-132000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
133 AM EDT Sun Jul 13 2025
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25
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 93 78 92 77 89
Temp 77 78 86 90 87 83 81 79 78 79 85 89 88 83 80 79 77 79 86 87 87 82
Dewpt 76 76 77 78 78 76 77 77 76 78 78 78 78 77 77 77 76 77 77 78 78 76
RH 97 94 75 68 75 80 88 94 94 97 80 70 72 82 91 94 97 94 75 75 75 82
Wind dir W NW NW SE S SE S SW E E E SE SE SE SE SE SE E SE SE SE S
Wind spd 3 2 4 5 5 4 2 2 2 2 4 8 8 5 3 2 3 3 6 10 11 8
Clouds SC SC SC B1 B1 B1 SC FW FW SC SC B1 B1 SC SC FW FW B1 B1 B1 B1 B1
PoP 12hr 30 10 40 10 50
QPF 12hr 0.08 0 0.01 0 0.03
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S S C C C C C C S
Tstms C C S S C C C C C C S
Heat index 97104100 91 97103102 91 97 99 99
Max heat 105 105 103 103 100 102
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
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 78 89 78 89 78 91 78 92
Temp 79 80 86 82 79 80 88 82 80 80 89 83 80 80 90 84
Dewpt 76 77 78 77 76 77 78 77 77 77 79 76 77 77 79 78
PWind dir S S S S S SW SW SW
Wind char LT GN LT GN LT GN LT GN
Avg clouds B1 B1 B2 B1 B1 SC B1 B1 SC SC B1 B1 B1 SC B1 B1
PoP 12hr 30 70 20 50 20 50 20 50
Rain shwrs S C L C S C C S C C S S C C
Tstms S C C C S C C S C C S S C C
$$
SCZ048-132000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
133 AM EDT Sun Jul 13 2025
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 94 76 92 76 90
Temp 76 77 86 91 87 83 79 78 76 78 86 91 88 82 79 77 76 78 86 88 87 81
Dewpt 74 76 77 76 76 76 76 75 75 77 77 78 76 76 76 76 75 77 76 76 76 76
RH 94 97 75 62 70 80 91 91 97 97 75 66 68 82 91 97 97 97 72 68 70 85
Wind dir W NW NW NW N S SE S W NE E SE SE SE SE SE E E E SE SE SE
Wind spd 2 2 3 3 4 3 2 1 1 2 2 5 5 4 2 2 2 2 5 8 9 5
Clouds FW FW FW SC B1 SC SC FW FW FW SC B1 B1 B1 SC FW FW B1 B1 B1 B1 B1
PoP 12hr 40 20 50 10 50
QPF 12hr 0.16 0 0.17 0 0.03
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C S C C C C C C
Tstms S C S C C C C C C
Heat index 97103 98 91 97106 99 96 99 98
Max heat 103 103 106 105 99 99
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 77 88 77 89 77 91 77 93
Temp 78 79 86 82 79 79 87 82 79 79 89 83 79 79 91 83
Dewpt 75 76 77 76 76 76 77 76 76 77 78 77 75 76 78 76
PWind dir SE S S S S S SW SW
Wind char LT GN LT GN LT LT LT LT
Avg clouds B1 SC B2 B2 SC FW B1 B1 SC SC SC B1 B1 SC B1 B1
PoP 12hr 10 60 10 50 10 50 20 50
Rain shwrs L L C C S C S S C
Tstms C L C C S C S S C
$$
SCZ043-132000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
133 AM EDT Sun Jul 13 2025
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25
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 93 73 94 73 90
Temp 73 75 86 90 89 82 77 75 74 77 87 93 90 80 78 75 73 76 86 89 88 80
Dewpt 73 75 75 73 73 74 75 75 73 76 75 73 74 75 76 75 73 76 75 74 74 75
RH 100100 70 58 59 77 94100 97 97 68 52 60 85 94100100100 70 61 63 85
Wind dir SW NW NW NW N SE SE N N E E E SE SE SE SE E E E SE SE SE
Wind spd 1 1 2 3 3 2 1 0 0 1 2 3 4 3 1 1 1 1 4 6 6 5
Clouds FW SC FW SC B1 FW SC FW FW FW SC B1 B1 B1 SC FW SC B1 B1 B1 B1 B1
PoP 12hr 40 10 50 10 50
QPF 12hr 0.01 0 0.10 0 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C S S C C C C C C
Tstms S C S S C C C C C C
Heat index 95 98 97 96102 99 95 98 97
Max heat 98 98 102 102 98 97
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
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 73 89 74 90 74 92 74 93
Temp 75 77 87 81 75 77 88 80 75 77 91 82 76 77 92 82
Dewpt 75 76 74 75 75 76 74 75 75 76 75 75 75 75 73 74
PWind dir SE S S S S S SW SW
Wind char LT LT LT LT LT LT LT LT
Avg clouds B1 SC B2 B2 B1 SC B1 B2 SC SC SC B1 B1 B1 B1 B1
PoP 12hr 10 70 10 60 10 50 20 50
Rain shwrs L L C L S C S S C
Tstms C L C L S C S S C
$$
GAZ099-132000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
133 AM EDT Sun Jul 13 2025
Date Sun 07/13/25 Mon 07/14/25 Tue 07/15/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 96 74 97 73 94
Temp 75 77 87 93 93 87 80 77 75 77 89 95 93 84 78 75 74 76 86 92 89 83
Dewpt 73 74 74 72 70 73 73 72 72 73 74 73 71 74 75 74 74 75 75 73 72 74
RH 94 90 65 51 47 63 79 85 90 87 61 49 49 72 91 97100 97 70 54 57 74
Wind dir W NW NW NW N N SW W W NW N N N E SE SE E E E E E SE
Wind spd 2 2 5 5 5 2 1 1 1 2 3 4 3 2 2 1 1 1 3 5 5 4
Clouds FW SC CL FW FW SC SC FW FW FW CL B1 B1 B1 SC SC SC B1 SC B1 B1 B1
PoP 12hr 20 20 40 20 50
QPF 12hr 0 0.06 0.03 0.02 0.05
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S S C C
Tstms C C S S C C
Heat index 95101 99 94 98105100 91 95101 96 90
Max heat 101 102 90 105 104 101 100
Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 73 91 73 92 73 93 74 94
Temp 75 76 89 82 75 75 90 82 75 76 91 83 76 76 92 86
Dewpt 75 75 73 73 74 74 74 74 74 75 74 75 74 75 74 74
PWind dir SE SE SE S S S S SW
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC B1 B2 B1 SC SC B2 B1 SC SC B2 B1 SC B1 B1
PoP 12hr 10 60 20 60 20 60 20 50
Rain shwrs C L S S L S L S C
Tstms S L S S L S L S C
$$
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