Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
333
FOUS52 KCHS 120536
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
136 AM EDT Mon May 12 2025
SCZ050-130800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
136 AM EDT Mon May 12 2025
Date 05/11/25 Mon 05/12/25 Tue 05/13/25 Wed
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 68 76 67 82 65
Temp 69 69 69 74 74 74 71 71 69 68 69 77 82 80 74 70 68 66 67
Dewpt 69 69 69 69 68 68 68 68 68 68 69 70 68 68 68 69 68 66 67
RH 100100100 84 82 82 90 90 97100100 79 63 67 82 97100100100
Wind dir SE SE SE SE S SE SE SE S S S SW S S S S SW SW W
Wind spd 6 6 10 10 13 13 12 11 9 8 6 8 10 11 9 6 5 4 4
Wind gust 24 24
Clouds OV OV OV B2 B2 OV B2 B2 B2 B1 SC SC FW FW SC SC SC SC SC
PoP 12hr 100 100 90 40 50
QPF 12hr 0.67 0.87 0.49 0.08 0.08
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D D D D L D L L C C C C C C C C C
Tstms C C C C C C C C C C S S C C C C S S S
Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
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 82 66 88 70 93 72 92 71 91
Temp 81 75 68 68 88 79 72 73 92 84 75 74 92 83 74 73 90 80
Dewpt 69 70 68 68 69 72 71 71 74 74 72 72 74 73 71 70 70 71
PWind dir SW SW SW SW SW SW SW W W
Wind char LT LT GN LT GN LT GN LT LT
Avg clouds SC SC SC FW FW FW FW SC SC SC SC B1 SC SC SC SC SC SC
PoP 12hr 50 20 10 0 5 10 20 10 20
Rain shwrs C C S S S S
Tstms S C S S S
$$
GAZ118-130800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
136 AM EDT Mon May 12 2025
Date 05/11/25 Mon 05/12/25 Tue 05/13/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 68 76 67 83 64
Temp 70 70 68 73 75 75 73 71 69 68 68 78 83 81 75 70 67 65 66
Dewpt 70 70 68 70 71 70 70 70 69 67 67 67 67 68 68 68 67 65 66
RH 100100100 90 87 84 90 97100 97 97 69 59 65 79 93100100100
Wind dir SE SE SE SE SE SE SE SE S SW SW SW SW S S S SW SW SW
Wind spd 9 8 10 11 13 13 11 8 5 4 4 6 8 9 5 4 4 3 4
Wind gust 21 24
Clouds OV OV B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC SC FW
PoP 12hr 100 80 60 50 30
QPF 12hr 0.67 0.84 0.45 0.09 0.07
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D L L L L C S S S S C C C C C
Tstms C C C C C C C C C C S S C C C C S
Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 85 66 90 71 95 72 94 72 93
Temp 84 78 70 69 88 82 73 73 92 86 76 74 93 85 75 73 91 84
Dewpt 68 69 67 67 69 70 70 70 73 73 72 71 73 72 71 70 71 70
PWind dir SW SW SW SW SW SW W SW W
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW SC FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr 40 10 5 0 0 5 10 10 20
Rain shwrs C C S
Tstms S C S
$$
SCZ050-130800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
136 AM EDT Mon May 12 2025
Date 05/11/25 Mon 05/12/25 Tue 05/13/25 Wed
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 70 75 69 81 68
Temp 71 71 70 75 74 73 71 71 69 71 70 77 81 79 74 71 69 68 68
Dewpt 71 71 70 72 72 72 71 71 69 70 70 70 69 69 69 70 69 68 68
RH 100100100 90 93 97100100100 97100 79 67 72 84 97100100100
Wind dir SE SE SE SE SE SE SE SE S S SW SW S S S S SW SW W
Wind spd 10 9 11 13 13 16 17 14 12 10 6 6 10 11 9 6 6 4 4
Wind gust 24
Clouds OV OV OV B2 B2 OV B2 B2 B2 B1 SC SC FW FW SC SC SC SC SC
PoP 12hr 100 100 100 40 50
QPF 12hr 0.71 1.01 0.59 0.06 0.10
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D D D D D D L L C C C C C C C C C
Tstms C C C C C C C C C C S S C C C C S S S
Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
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 81 69 85 72 90 74 89 73 88
Temp 81 74 70 70 85 77 72 74 90 82 75 75 89 81 75 73 88 79
Dewpt 69 70 70 69 71 72 72 72 75 74 74 73 75 74 73 72 72 72
PWind dir SW SW SW SW SW SW SW SW SW
Wind char LT LT GN LT GN LT GN LT LT
Avg clouds SC SC SC FW FW FW FW SC SC SC SC B1 SC B1 B1 SC SC SC
PoP 12hr 50 30 10 0 5 10 20 10 10
Rain shwrs C C S C S
Tstms S C S S
$$
SCZ048-130800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
136 AM EDT Mon May 12 2025
Date 05/11/25 Mon 05/12/25 Tue 05/13/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 69 75 67 82 65
Temp 71 71 69 73 74 73 72 70 70 68 68 77 81 79 74 70 68 66 67
Dewpt 70 70 69 71 72 71 71 70 69 68 68 68 67 68 70 68 67 66 66
RH 97 97100 93 93 93 97100 97100100 74 63 69 87 93 97100 97
Wind dir SE SE SE SE SE SE SE SE S S SW SW S S S S SW SW SW
Wind spd 9 8 10 11 11 12 12 10 6 6 5 6 9 9 6 5 4 3 4
Wind gust 23 23 24 23
Clouds OV OV B2 B2 B2 B2 OV B2 B1 SC SC FW SC SC SC SC SC SC SC
PoP 12hr 100 100 80 50 40
QPF 12hr 0.63 1.07 0.28 0.05 0.07
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D D L L L L C C C C C C C C S S C
Tstms C C C C C C C C C C S S C C C C S S S
Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 83 67 88 71 93 72 92 71 91
Temp 82 76 71 69 87 80 73 73 91 84 75 75 91 83 75 73 89 82
Dewpt 69 70 69 67 70 72 70 70 74 74 72 72 73 73 71 70 71 72
PWind dir SW SW SW SW SW SW SW SW W
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr 50 20 5 0 5 5 20 10 20
Rain shwrs C C S S S
Tstms S C S S S
$$
SCZ043-130800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
136 AM EDT Mon May 12 2025
Date 05/11/25 Mon 05/12/25 Tue 05/13/25 Wed
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 65 73 65 82 61
Temp 66 66 67 72 73 73 70 69 67 66 67 77 82 80 72 66 64 62 64
Dewpt 66 66 67 69 68 68 67 67 66 65 67 68 66 67 68 66 64 62 64
RH 100100100 90 84 84 90 93 97 97100 74 58 65 87100100100100
Wind dir E E SE SE SE SE SE SE SE S SW SW SW SW S S S SW SW
Wind spd 5 3 8 9 11 12 11 5 5 4 3 5 8 8 5 3 2 2 3
Wind gust 19 19 21
Clouds OV OV OV OV B2 B2 OV B2 B1 B1 B1 SC SC SC SC SC SC B1 SC
PoP 12hr 100 100 70 60 30
QPF 12hr 0.60 0.89 0.62 0.03 0.08
Snow 12hr 00-00 00-00 00-00
Rain shwrs D D D D D L L L C C S S L L C C S S C
Tstms C C C C C C C C C C S S C C C C S S S
Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
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 82 63 88 67 93 69 91 67 90
Temp 81 74 66 66 87 79 69 70 92 84 73 72 91 83 71 70 89 80
Dewpt 68 69 66 66 69 71 69 70 74 74 71 71 73 73 69 69 71 71
PWind dir SW SW SW SW SW SW W W W
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC FW FW FW FW FW SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr 60 20 10 0 5 10 20 10 20
Rain shwrs C L S S S
Tstms S C S S S
$$
GAZ099-130800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
136 AM EDT Mon May 12 2025
Date 05/11/25 Mon 05/12/25 Tue 05/13/25 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 66 76 64 80 62
Temp 66 67 67 71 75 76 71 68 67 66 65 74 79 80 74 66 64 62 64
Dewpt 66 67 67 70 70 69 69 68 67 66 65 66 65 63 65 65 64 62 64
RH 100100100 97 84 79 93100100100100 76 62 56 74 97100100100
Wind dir E E SE SE SE SE SE SE S S SW SW SW SW SW S SW SW SW
Wind spd 5 5 8 11 10 10 6 5 5 4 3 5 6 8 3 3 3 3 3
Wind gust 16
Clouds OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC FW SC SC SC SC
PoP 12hr 100 70 60 60 30
QPF 12hr 0.24 0.61 0.04 0.05 0.08
Snow 12hr 00-00 00-00 00-00
Rain shwrs D L L L L L L C C C L L C C C
Tstms C C C C C C C C S S C C C C S
Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 83 64 88 69 93 70 92 70 90
Temp 82 77 68 67 86 82 72 71 90 86 73 72 90 83 72 72 89 82
Dewpt 66 67 66 67 68 70 69 70 72 73 70 71 72 71 70 70 69 70
PWind dir SW SW SW SW W W W W W
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW SC SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr 30 10 5 0 0 5 20 10 20
Rain shwrs C C S S
Tstms S C S S
$$
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