Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
193
FOUS52 KCHS 120758
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
358 AM EDT Mon May 12 2025
SCZ050-122000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
358 AM EDT Mon May 12 2025
Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25
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 76 67 84 66 85
Temp 69 69 74 74 74 71 71 69 68 70 79 83 81 74 70 69 67 68 80 83 81 75
Dewpt 69 69 69 68 68 68 68 68 68 68 67 65 65 66 67 67 66 67 65 65 65 66
RH 100100 84 82 82 90 90 97100 93 67 55 58 76 90 93 97 97 60 55 58 74
Wind dir SE SE S SE SE SE SE S S SW SW S S S S SW SW SW SW SW SW S
Wind spd 6 9 9 11 12 12 11 9 6 5 8 11 12 10 6 5 4 4 6 10 10 8
Wind gust 23 23
Clouds OV OV OV OV OV OV OV B2 B2 B1 SC FW FW FW SC SC SC SC SC SC SC SC
PoP 12hr 100 90 40 40 60
QPF 12hr 1.17 0.39 0.02 0.03 0.09
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D D D L D L L C C C C C C C C C C L L S
Tstms C C C C C C C C C S S C C C C C S C C C S
Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
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 67 89 70 93 72 93 70 91
Temp 69 70 88 78 72 73 92 81 76 75 91 81 74 72 90 79
Dewpt 68 68 66 68 70 69 69 70 72 71 69 69 69 69 66 67
PWind dir SW SW SW SW SW SW SW W
Wind char LT GN LT GN LT GN LT GN
Avg clouds FW FW FW SC SC SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr 20 5 0 5 5 20 20 20
Rain shwrs S S S S S
Tstms S S S S
$$
GAZ118-122000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
358 AM EDT Mon May 12 2025
Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 76 67 84 65 86
Temp 70 68 73 75 75 73 71 69 68 68 78 83 81 74 71 69 67 67 78 84 85 79
Dewpt 70 68 70 71 70 70 70 69 67 68 67 65 67 68 68 67 64 66 68 68 68 69
RH 100100 90 87 84 90 97100 97100 69 55 63 82 90 93 90 97 71 59 57 72
Wind dir SE SE SE SE SE SE SE S SW SW SW SW S S S SW SW SW W SW SW S
Wind spd 8 10 11 14 13 11 8 5 4 4 5 8 9 5 4 3 3 4 5 6 8 5
Wind gust 18 21 25
Clouds OV OV OV OV OV OV OV B1 B1 SC FW SC SC SC SC SC FW FW FW SC SC FW
PoP 12hr 80 60 50 30 40
QPF 12hr 0.52 0.17 0.03 0.04 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D L L L L C S S C C C C S S C C
Tstms C C C C C C C C C C C C S S C C
Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 67 91 71 94 73 94 72 92
Temp 71 70 89 84 73 73 92 87 76 75 91 86 75 74 90 85
Dewpt 69 67 68 70 69 70 72 72 71 71 70 70 69 70 68 70
PWind dir SW SW SW SW SW W SW W
Wind char LT GN LT LT LT GN LT LT
Avg clouds FW FW FW FW SC SC SC SC SC SC B1 B1 SC SC SC SC
PoP 12hr 10 5 0 0 5 20 10 20
Rain shwrs S S
Tstms S
$$
SCZ050-122000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
358 AM EDT Mon May 12 2025
Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25
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 75 69 82 67 82
Temp 71 70 75 74 73 71 71 69 71 71 78 81 80 74 72 71 69 69 79 81 80 75
Dewpt 71 70 72 72 72 71 71 69 70 71 71 70 69 69 69 69 68 68 69 69 70 70
RH 100100 90 93 97100100100 97100 79 69 69 84 90 93 97 97 72 67 72 84
Wind dir SE SE SE SE SE SE SE S S SW SW S S S S SW SW SW SW SW SW SW
Wind spd 9 12 12 12 13 17 14 13 10 5 8 11 11 9 6 5 5 4 5 12 14 6
Wind gust 23 24
Clouds OV OV OV OV OV OV OV OV B1 B1 FW FW FW FW SC SC SC SC SC SC SC FW
PoP 12hr 100 100 30 50 50
QPF 12hr 1.20 0.42 0.02 0.04 0.05
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D D D D D L L C C C C C C C C C C C C S
Tstms C C C C C C C C C C S C C C C C S C C C S
Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
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 69 86 72 90 74 91 73 90
Temp 71 72 85 78 74 74 89 81 77 76 89 81 76 75 89 81
Dewpt 71 70 71 72 73 72 74 74 74 72 74 73 72 72 71 71
PWind dir SW SW SW SW SW SW SW SW
Wind char LT GN LT GN LT GN LT GN
Avg clouds FW FW FW FW SC SC SC SC SC B1 B1 B1 SC SC SC SC
PoP 12hr 20 5 5 5 5 20 20 10
Rain shwrs S S S S
Tstms S S S
$$
SCZ048-122000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
358 AM EDT Mon May 12 2025
Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 75 67 83 65 84
Temp 71 69 73 74 73 72 70 70 68 69 78 83 81 74 70 69 67 67 78 82 83 77
Dewpt 70 69 71 72 71 71 70 69 68 68 69 66 68 69 68 67 66 66 68 69 69 71
RH 97100 93 93 93 97100 97100 97 74 57 65 84 93 93 97 97 71 65 63 82
Wind dir SE SE SE SE SE SE SE S S SW SW SW S S S SW SW W SW SW SW S
Wind spd 8 11 10 11 12 12 10 8 6 5 5 8 9 5 4 3 3 4 5 6 8 5
Wind gust 24 23 24 24
Clouds OV OV OV OV OV OV OV B2 SC SC FW FW FW SC SC SC FW SC FW SC FW FW
PoP 12hr 100 80 50 40 50
QPF 12hr 0.66 0.13 0.01 0.02 0.10
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D L L L L C C S S C C C C S S C C C C S
Tstms C C C C C C C C C S C C C C S C C C S
Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 68 88 71 93 73 93 72 91
Temp 70 70 88 80 73 73 91 85 76 75 90 85 75 74 90 81
Dewpt 69 68 69 72 70 70 73 74 72 71 72 73 70 70 69 71
PWind dir SW SW SW SW SW SW SW SW
Wind char LT LT LT LT LT GN LT LT
Avg clouds FW FW FW FW SC SC SC SC SC B1 B1 B1 SC SC SC SC
PoP 12hr 20 5 0 5 5 30 20 20
Rain shwrs S C S S
Tstms S S
$$
SCZ043-122000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
358 AM EDT Mon May 12 2025
Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25
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 73 65 82 61 82
Temp 66 67 72 73 73 70 69 67 66 68 76 81 81 74 66 64 63 65 77 81 80 73
Dewpt 66 67 69 68 68 67 67 66 65 67 66 63 63 66 66 64 63 65 66 65 66 66
RH 100100 90 84 84 90 93 97 97 97 71 54 54 76100100100100 69 58 62 79
Wind dir E SE SE SE SE SE SE SE S SW SW SW SW S S SW SW SW SW SW SW S
Wind spd 4 6 9 10 11 10 6 5 4 3 5 8 8 5 2 2 2 2 5 8 8 3
Wind gust 19 21 21 23 20
Clouds OV OV OV OV OV OV OV B2 B1 B1 SC FW SC SC FW SC SC SC SC SC SC SC
PoP 12hr 100 70 50 30 70
QPF 12hr 0.63 0.14 0.02 0.02 0.14
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D D L L L C C S S C C C C S S C C L L
Tstms C C C C C C C C C S C C C C S S C C C
Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
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 63 88 67 91 69 90 67 89
Temp 65 67 86 81 69 70 91 81 72 71 88 82 70 70 87 80
Dewpt 65 67 65 68 68 70 69 70 69 70 68 69 68 69 65 66
PWind dir S SW SW SW SW SW SW W
Wind char LT LT LT LT LT GN LT LT
Avg clouds FW FW FW SC SC B1 SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr 10 5 0 5 5 30 10 20
Rain shwrs C S
$$
GAZ099-122000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
358 AM EDT Mon May 12 2025
Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 76 64 81 62 85
Temp 67 67 71 75 76 71 68 67 66 66 75 79 80 75 68 66 64 65 76 82 85 79
Dewpt 67 67 70 70 69 69 68 67 66 66 66 64 64 66 65 64 64 65 67 66 64 67
RH 100100 97 84 79 93100100100100 74 60 58 74 90 93100100 74 58 50 67
Wind dir E SE SE SE SE SE SE S S SW SW SW SW SW S SW SW SW W W W SW
Wind spd 4 6 10 10 10 8 5 4 4 2 5 6 6 2 2 2 2 2 4 6 6 2
Wind gust 18 23 23
Clouds OV OV B2 OV OV OV B1 B2 B2 SC FW SC SC FW FW SC SC SC FW SC FW FW
PoP 12hr 70 60 50 20 40
QPF 12hr 0.40 0.27 0.06 0.03 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs L L L L L L C C C S S S S C C
Tstms C C C C C C C C C S S C C
Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 65 88 69 93 71 91 69 90
Temp 68 67 86 82 72 71 89 86 74 73 88 84 72 71 88 83
Dewpt 66 67 67 69 68 70 71 72 69 70 69 70 69 69 67 69
PWind dir SW SW SW W SW W W W
Wind char LT LT LT LT LT LT LT LT
Avg clouds FW FW FW FW SC SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr 5 0 0 5 5 30 10 20
Rain shwrs S C S
Tstms S
$$
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