Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
496
FOUS52 KCHS 050840
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
440 AM EDT Sat Jul 5 2025
SCZ050-052000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
440 AM EDT Sat Jul 5 2025
Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25
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 87 74 88 76 94
Temp 76 76 82 84 83 79 76 76 75 76 82 84 87 83 78 78 76 78 88 92 91 84
Dewpt 71 72 70 70 71 72 73 73 73 74 74 73 74 75 75 75 75 75 74 73 73 74
RH 85 87 67 63 67 79 90 90 94 94 77 70 65 77 91 91 97 91 63 54 56 72
Wind dir NE NE NE NE NE NE N N N N W SW SW SW SW SW W W W W SW S
Wind spd 11 13 18 19 19 16 12 10 10 9 11 12 13 10 8 6 6 6 9 10 11 10
Wind gust 34
Clouds SC B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1
PoP 12hr 60 50 60 20 30
QPF 12hr 0.10 0.51 0.23 0.01 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs S L L L C C C C C C L L S S S S C C
Tstms S C L C C C C S S C L L S S S C C
Heat index 90 95 90 97101100 91
Max heat 90 91 90 95 101 101
High Surf Y Y Y Y Y Y
Trop Storm A A A A A A A A A A A A A A A A A A A A A A
Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25
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 96 77 95 77 93 77 94
Temp 79 80 94 84 79 79 93 84 79 79 91 83 79 79 91 83
Dewpt 75 74 73 76 76 76 74 75 75 75 73 75 75 75 74 75
PWind dir SW SW SW SW SW SW SW SW
Wind char GN GN LT GN GN GN GN GN
Avg clouds B1 SC SC B1 SC FW FW B1 B1 B1 SC B1 B1 B1 SC SC
PoP 12hr 5 30 20 50 30 60 40 50
Rain shwrs C S C C S C L C S C C
Tstms C S C C S C L C S C C
$$
GAZ118-052000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
440 AM EDT Sat Jul 5 2025
Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 88 74 89 75 96
Temp 75 77 83 86 86 81 78 76 74 76 79 86 88 83 79 77 75 77 88 94 94 87
Dewpt 72 73 73 73 73 73 72 72 71 72 74 75 75 75 75 74 73 73 74 72 72 74
RH 90 87 72 65 65 77 82 87 90 87 85 70 66 77 88 90 94 87 63 49 49 65
Wind dir NE N N NE N N N N NW NW NW W W W SW SW SW W W SW S S
Wind spd 10 13 16 16 13 10 8 5 5 5 6 8 8 5 4 4 4 5 5 6 9 6
Wind gust 26
Clouds SC SC SC B1 SC SC B1 B1 B1 B1 B1 SC B1 SC SC FW FW FW FW B1 B1 B1
PoP 12hr 60 30 60 5 30
QPF 12hr 0.08 0.01 0.08 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C C S S S L L C C
Tstms L C C S L L C C
Heat index 93 93 95 98 90 97102102 95
Max heat 93 94 95 98 102 104
Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 77 97 77 96 76 93 76 94
Temp 80 79 95 87 80 79 94 85 78 78 91 85 78 78 91 85
Dewpt 73 74 73 75 74 74 74 76 74 75 75 75 74 74 73 75
PWind dir SW SW SW SW SW SW SW SW
Wind char LT LT LT LT LT LT LT LT
Avg clouds B1 SC SC B1 B1 FW FW SC B1 B1 B1 B1 B1 SC SC SC
PoP 12hr 0 30 10 60 30 60 30 60
Rain shwrs C L C S L C S L
Tstms C L C S L C S L
$$
SCZ050-052000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
440 AM EDT Sat Jul 5 2025
Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25
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 85 75 87 77 93
Temp 77 78 82 83 83 79 78 77 76 77 82 85 86 83 80 79 77 79 88 91 91 85
Dewpt 73 74 74 75 76 75 75 75 75 76 77 78 77 78 78 77 76 75 76 76 75 76
RH 87 88 77 77 80 88 91 94 97 97 85 80 75 85 94 94 97 88 68 62 60 75
Wind dir NE NE NE NE NE NE N NE N NW SW SW SW SW SW SW W W W SW SW SW
Wind spd 14 16 20 20 20 16 12 10 10 9 11 12 13 10 9 8 6 6 9 11 12 10
Clouds B1 B1 B1 B2 B1 B1 B2 B2 B2 B1 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1
PoP 12hr 70 60 60 30 30
QPF 12hr 0.23 0.63 0.25 0.01 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C L L L C L C C L L L L C C S S S S C C
Tstms S C C L C C C C S S C L L C S S S S S C C
Heat index 90 91 90 97 97 93 99103101 94
Max heat 90 92 97 98 91 103 102
High Surf Y Y Y Y Y Y
Trop Storm A A A A A A A A A A A A A A A A A A A A A A
Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25
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 79 93 78 93 79 91 78 91
Temp 81 81 92 85 80 81 91 84 81 81 90 83 80 80 89 84
Dewpt 77 76 76 77 77 77 77 77 77 76 76 77 76 76 76 77
PWind dir SW SW SW SW SW SW SW SW
Wind char LT GN LT GN GN GN GN GN
Avg clouds B1 B1 B1 B1 SC FW FW B1 B1 B1 B1 B1 B1 B1 B1 SC
PoP 12hr 10 20 20 40 30 60 40 50
Rain shwrs S S S C C S C L C C C C
Tstms S S S C C S C L C S C C
$$
SCZ048-052000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
440 AM EDT Sat Jul 5 2025
Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 87 74 87 76 93
Temp 76 77 83 85 85 81 78 76 74 76 80 85 86 83 79 78 76 78 88 92 91 86
Dewpt 72 73 74 74 73 73 73 73 72 73 76 76 77 77 76 75 74 74 75 74 74 76
RH 87 87 74 70 67 77 85 90 93 90 88 75 75 82 91 91 94 88 66 56 58 72
Wind dir NE N NE NE N N N N NW NW W W W SW SW SW W W W SW S S
Wind spd 11 14 17 17 16 14 10 8 8 8 9 9 9 6 5 4 5 5 5 6 9 6
Wind gust 21 27 18 17
Clouds SC B1 SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW SC SC B1 B1 B1
PoP 12hr 60 40 50 10 20
QPF 12hr 0.06 0.06 0.20 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C C S S S C C C C S S
Tstms S C C C S S C C C S S
Heat index 90 93 92 94 97 92 98102101 96
Max heat 93 93 94 97 90 102 101
Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 78 95 78 93 76 92 77 92
Temp 80 80 94 85 80 80 92 85 79 78 90 84 79 79 90 84
Dewpt 74 74 75 77 76 75 75 76 75 75 75 76 75 75 75 76
PWind dir SW SW SW S SW SW SW SW
Wind char LT LT LT LT LT GN LT GN
Avg clouds B1 SC SC B1 B1 FW FW SC B1 SC SC B1 B1 SC SC SC
PoP 12hr 5 20 10 50 30 50 30 50
Rain shwrs S C C S C C S C
Tstms S C C S C C S C
$$
SCZ043-052000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
440 AM EDT Sat Jul 5 2025
Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25
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 85 71 84 72 93
Temp 71 74 83 83 83 78 75 73 71 73 80 82 84 80 76 74 72 75 86 91 91 84
Dewpt 71 73 71 70 71 71 72 72 71 73 74 74 74 75 75 74 72 74 74 72 72 74
RH 100 97 67 65 67 79 90 97100100 82 77 72 85 97100100 97 68 54 54 72
Wind dir NE NE NE NE NE N N N N N NW NW W SW SW SW W W W W SW S
Wind spd 8 11 14 16 14 11 9 6 6 6 8 8 8 5 3 2 2 4 5 6 6 5
Wind gust 25 18 19 18
Clouds SC SC B1 B1 SC SC B1 B1 B1 B1 B2 B1 SC B1 SC SC FW SC SC B1 B1 B1
PoP 12hr 50 40 60 10 30
QPF 12hr 0.06 0.11 0.17 0 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C C S S C C L L C C
Tstms S C C C S S C L L C C
Heat index 91 94 99 99 91
Max heat 90 91 99 100
Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25
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 75 94 75 93 74 91 74 91
Temp 77 77 94 84 77 77 92 83 76 76 89 82 76 76 89 82
Dewpt 73 74 72 75 75 74 73 75 74 74 73 75 75 74 73 75
PWind dir SW SW SW SW SW SW SW SW
Wind char LT LT LT LT LT LT LT LT
Avg clouds B1 SC SC SC SC FW FW SC B1 SC SC SC B1 SC SC SC
PoP 12hr 5 30 10 50 30 60 30 60
Rain shwrs C C C S L C S L
Tstms C C C S L C S L
$$
GAZ099-052000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
440 AM EDT Sat Jul 5 2025
Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 90 71 90 72 96
Temp 72 74 83 88 89 84 77 74 72 73 80 87 89 84 78 75 73 76 88 94 94 89
Dewpt 70 71 70 68 68 70 70 69 70 70 72 71 72 73 73 73 72 73 73 70 69 72
RH 93 90 65 52 50 63 79 84 93 90 77 59 57 70 85 94 97 90 61 46 44 57
Wind dir NE NE NE NE NE NE NE N N N N NW NW NW S SW SW SW W W SW S
Wind spd 5 9 12 12 11 6 5 3 4 4 5 5 5 2 2 2 2 2 4 5 5 2
Wind gust 17 13 14
Clouds FW SC SC SC SC SC SC FW SC SC B1 SC SC SC SC FW FW FW FW SC SC B1
PoP 12hr 40 20 50 5 20
QPF 12hr 0.01 0 0.02 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S S S C C S S
Tstms C C S S C C S S
Heat index 92 93 93 96 90 96100 99 96
Max heat 92 93 93 96 100 101
Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 75 97 75 97 74 94 74 93
Temp 78 77 95 88 77 77 95 85 76 76 92 84 76 76 91 85
Dewpt 71 72 69 72 72 73 71 73 74 74 73 74 74 74 72 73
PWind dir SW W SW SW SW SW SW SW
Wind char LT LT LT LT LT LT LT LT
Avg clouds B1 FW FW SC SC FW FW B1 B1 B1 B1 B1 B1 SC SC SC
PoP 12hr 5 30 10 50 30 60 40 60
Rain shwrs C C C L C S L
Tstms C C C L C S L
$$
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