Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
623
FOUS52 KCHS 171918
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
318 PM EDT Thu Apr 17 2025
SCZ050-180800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
318 PM EDT Thu Apr 17 2025
Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun
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 57 80 60 83 61
Temp 76 66 60 58 57 62 76 80 77 69 64 61 60 64 78 83 80 71 65 62 61 64
Dewpt 42 47 52 54 54 57 56 56 57 58 59 59 59 61 61 61 61 61 62 61 61 62
RH 30 50 75 86 90 84 50 44 50 68 84 93 96 90 56 47 52 71 90 97100 93
Wind dir S S S SE SE SE S S S S S S S S S S S S S S S S
Wind spd 11 6 2 2 2 1 11 13 13 9 4 2 1 3 10 12 13 9 5 3 2 3
Clouds CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW CL FW FW FW SC SC B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25
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 84 66 86 66 85 66 85
Temp 82 72 65 66 84 73 68 67 85 74 68 67 85 74 67 68 84 73
Dewpt 60 61 63 64 62 63 64 65 63 65 66 66 65 66 67 66 65 66
PWind dir S S S S SW S S SE SE
Wind char GN LT GN LT LT LT LT LT GN
Avg clouds B1 SC B1 B2 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC SC SC SC
PoP 12hr 0 0 0 5 20 20 20 10 20
Rain shwrs S S S S
Tstms S S S
$$
GAZ118-180800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
318 PM EDT Thu Apr 17 2025
Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 57 82 61 84 61
Temp 78 67 61 58 57 61 78 82 79 72 66 64 61 64 79 84 82 73 66 64 62 64
Dewpt 45 49 55 56 56 58 57 57 58 59 60 60 60 61 61 60 59 60 62 61 60 61
RH 31 52 81 93 96 90 48 43 49 64 81 87 97 90 54 44 46 64 87 90 93 90
Wind dir SE SE SE SE SE SE SE SE SE SE SE S S S S S S S S S S S
Wind spd 11 6 2 2 1 1 11 13 14 10 4 2 1 2 8 10 12 9 5 2 1 3
Clouds CL CL CL CL CL FW FW FW FW FW CL FW FW FW FW FW FW FW FW SC SC B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 83 64 87 65 87 65 87 66 86
Temp 83 74 66 66 86 75 68 66 86 76 68 67 86 76 67 68 85 75
Dewpt 60 61 63 64 62 62 64 63 62 64 65 64 63 65 67 67 64 65
PWind dir S S S S S S S SE SE
Wind char GN LT LT LT LT LT GN LT GN
Avg clouds SC SC B1 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr 0 0 5 5 20 10 20 5 20
Rain shwrs S S S
Tstms S S S
$$
SCZ050-180800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
318 PM EDT Thu Apr 17 2025
Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun
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 61 76 64 79 64
Temp 74 66 61 61 61 64 74 76 74 69 66 65 64 66 76 79 78 70 66 65 64 66
Dewpt 50 54 57 58 58 60 59 59 59 60 61 61 61 62 62 62 63 63 63 63 62 62
RH 43 65 87 90 90 87 59 56 59 73 84 87 90 87 62 56 60 78 90 93 93 87
Wind dir S S S SE SE SE SE S S S S S S S S S S S S S S S
Wind spd 10 5 2 2 2 2 10 14 14 8 5 4 3 4 9 12 13 8 5 4 3 4
Clouds CL CL CL CL CL CL CL CL CL CL FW FW FW FW FW FW FW FW SC SC SC B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25
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 80 66 81 67 82 67 81 67 81
Temp 80 71 66 67 81 72 68 68 82 72 68 68 81 72 67 68 81 72
Dewpt 62 64 64 65 64 66 66 66 65 66 68 67 67 68 67 67 67 67
PWind dir S S S S SW S S SE SE
Wind char GN GN GN GN GN LT GN GN GN
Avg clouds B1 SC B1 B2 B1 B1 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC
PoP 12hr 0 0 0 5 20 20 20 10 20
Rain shwrs S S S S S
Tstms S S S
$$
SCZ048-180800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
318 PM EDT Thu Apr 17 2025
Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 58 80 62 82 62
Temp 74 66 61 60 59 63 77 79 76 70 66 64 62 65 78 82 79 71 65 64 62 64
Dewpt 46 52 55 56 56 58 58 58 59 60 60 60 60 61 62 62 62 62 62 62 61 62
RH 37 61 81 87 90 84 52 49 56 71 81 87 93 87 58 51 56 73 90 93 97 93
Wind dir S SE SE SE SE SE SE SE S S S S S S S S S S S S S S
Wind spd 10 5 1 1 2 1 9 11 11 6 4 2 1 2 8 9 10 5 3 2 1 3
Clouds CL CL CL CL CL FW FW FW FW CL CL CL CL FW FW FW FW FW FW SC SC B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 81 64 83 65 85 65 84 66 84
Temp 81 71 66 66 82 73 68 67 84 73 67 67 84 73 67 68 83 72
Dewpt 62 63 64 64 64 64 65 64 64 66 65 66 66 67 67 67 66 67
PWind dir S S S S S S S SE SE
Wind char LT LT GN LT LT LT LT LT GN
Avg clouds SC SC B1 B2 B1 B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr 0 0 5 5 20 10 20 10 20
Rain shwrs S S S
Tstms S S S
$$
SCZ043-180800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
318 PM EDT Thu Apr 17 2025
Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun
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 52 81 56 84 57
Temp 78 67 57 54 53 57 76 81 78 69 63 60 58 61 78 84 82 72 63 60 59 60
Dewpt 41 44 50 51 52 55 55 55 56 57 58 58 58 59 60 60 59 60 60 60 59 60
RH 27 43 77 90 96 93 48 41 47 66 84 93100 93 54 44 46 66 90100100100
Wind dir S S SE SE N N S S S S S S N S S S S S S S N S
Wind spd 6 6 1 1 0 0 10 10 11 8 2 1 0 1 9 10 11 8 3 1 0 2
Clouds CL CL CL CL CL FW CL CL CL CL CL CL FW FW FW FW FW FW FW SC SC B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25
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 84 60 87 63 86 62 86 63 86
Temp 83 73 63 63 86 74 65 65 85 75 64 64 86 75 64 65 85 74
Dewpt 60 60 61 63 61 62 63 63 62 64 64 64 63 64 64 65 64 65
PWind dir S S S S SW S S SE SE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 SC B1 B2 B1 B1 B1 B2 B2 B1 B1 B1 SC SC SC SC SC SC
PoP 12hr 0 0 5 5 30 10 30 10 30
Rain shwrs C C C
Tstms S S S
$$
GAZ099-180800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
318 PM EDT Thu Apr 17 2025
Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 52 85 58 87 58
Temp 80 71 61 55 53 55 76 82 85 75 65 62 59 61 76 85 87 77 66 61 58 61
Dewpt 35 41 48 51 52 54 54 54 54 57 59 58 57 59 58 57 55 57 59 58 58 59
RH 20 34 62 86 96 96 46 38 35 54 81 87 93 93 54 39 34 50 78 90100 93
Wind dir S SE SE SE N N S SE SE SE SE S S S S S SE SE SE S N S
Wind spd 3 3 3 1 0 0 8 8 9 8 3 1 1 2 6 6 8 5 3 1 0 1
Clouds CL CL CL CL CL FW CL FW FW FW FW CL FW FW FW FW FW FW SC SC SC B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 87 62 88 64 88 63 89 64 89
Temp 84 78 65 64 85 79 67 65 86 79 66 65 87 79 67 66 87 77
Dewpt 55 58 60 61 57 58 60 61 58 59 61 62 58 62 64 65 61 62
PWind dir S SE S S SW S S SE SE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 B1 B1 B2 B1 B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC
PoP 12hr 0 0 5 5 30 10 20 5 20
Rain shwrs C S S
Tstms S S S
$$
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