Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
299
FOUS52 KCHS 181856
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
256 PM EDT Fri Apr 18 2025
SCZ050-190800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
256 PM EDT Fri Apr 18 2025
Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon
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 60 83 61 83 63
Temp 77 69 65 63 62 63 76 81 79 71 66 63 62 64 77 83 81 72 66 65 63 66
Dewpt 58 58 60 59 60 61 59 58 58 60 62 61 61 61 59 57 56 59 61 62 61 62
RH 52 68 84 87 93 93 56 46 49 68 87 93 97 90 54 41 42 64 84 90 93 87
Wind dir S S S S S S S S S S S S S S S S S S S S S S
Wind spd 14 10 6 5 4 4 10 14 14 6 4 3 3 2 8 12 13 6 3 2 2 1
Clouds SC FW CL CL CL FW FW FW FW FW SC SC SC SC SC SC SC SC SC B1 B1 B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25
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 65 87 65 85 65 84 64 85
Temp 83 73 68 68 86 74 68 68 85 73 67 67 84 74 67 67 84 73
Dewpt 58 61 64 65 59 62 65 65 62 64 66 66 62 64 65 64 60 62
PWind dir S S S S S SE SE SE SE
Wind char LT LT GN LT LT LT GN LT LT
Avg clouds SC SC B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 SC SC SC
PoP 12hr 0 0 10 10 30 20 30 10 20
Rain shwrs C S C S
Tstms C S C S
$$
GAZ118-190800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
256 PM EDT Fri Apr 18 2025
Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 59 83 60 83 62
Temp 79 72 67 64 62 63 78 83 82 72 66 62 61 63 77 82 82 72 66 64 63 64
Dewpt 60 59 61 61 61 62 62 60 61 62 63 62 61 61 61 59 58 61 63 63 63 63
RH 52 64 81 90 97 97 58 46 49 71 90100100 93 58 46 44 68 90 97100 97
Wind dir SE SE SE S S SE S SE S SE S N N N S SE SE SE SE SE S N
Wind spd 14 10 6 4 3 3 9 13 13 9 1 0 0 0 8 12 13 8 2 2 1 0
Clouds SC CL CL CL FW FW FW FW FW FW SC SC SC SC SC SC SC FW SC SC B1 SC
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 86 65 88 66 88 66 86 67 87
Temp 85 75 68 66 87 75 67 67 88 76 67 68 86 76 68 68 86 76
Dewpt 61 62 65 64 62 64 66 65 64 66 67 67 65 65 66 65 63 64
PWind dir S S S S S SE SE SE SE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC SC SC SC SC
PoP 12hr 0 0 10 10 30 10 20 5 20
Rain shwrs C S S
Tstms C S S
$$
SCZ050-190800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
256 PM EDT Fri Apr 18 2025
Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon
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 62 76 65 77 65
Temp 75 70 66 65 64 65 73 76 74 70 67 66 65 66 74 77 75 70 67 66 65 66
Dewpt 61 61 61 63 63 64 64 64 65 64 64 64 64 64 63 63 63 63 64 64 63 64
RH 62 73 84 93 97 97 73 66 74 81 90 93 97 93 69 62 66 78 90 93 93 93
Wind dir S S S S S S S S S S S S S S S S S S S S S S
Wind spd 13 9 8 6 5 5 10 13 14 6 5 5 5 4 8 11 12 5 5 5 4 3
Clouds SC FW CL CL FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC B1 B1 B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25
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 76 67 83 67 82 67 81 67 82
Temp 76 70 68 68 83 73 68 69 82 74 69 69 81 72 69 69 82 73
Dewpt 64 65 66 66 67 67 67 67 68 69 69 68 68 68 68 67 67 67
PWind dir S S S S S SE SE SE SE
Wind char LT LT GN LT LT LT LT LT LT
Avg clouds B1 SC B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 SC SC SC
PoP 12hr 0 0 10 10 30 20 20 10 20
Rain shwrs C S S S S
Tstms C S S S S
$$
SCZ048-190800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
256 PM EDT Fri Apr 18 2025
Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 60 81 62 81 63
Temp 76 70 66 64 63 64 76 80 78 70 65 63 62 64 76 81 79 70 64 64 63 65
Dewpt 60 61 61 62 62 63 63 62 63 64 64 63 62 63 62 62 61 63 63 63 63 64
RH 58 73 84 93 97 97 64 54 60 81 97100100 97 62 53 54 78 97 97100 97
Wind dir S S S S S S S S S S S S S S S S S SE SE SE S S
Wind spd 12 8 5 5 4 3 9 13 13 6 4 3 3 3 8 11 12 5 4 4 3 2
Clouds SC FW CL CL FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC B1 B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 83 66 86 66 85 66 84 66 84
Temp 82 72 68 67 85 73 68 68 85 73 67 67 84 73 68 68 83 72
Dewpt 64 65 65 65 64 66 67 67 67 67 67 67 67 67 67 66 65 66
PWind dir S S S S S SE SE SE SE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC
PoP 12hr 0 0 10 10 30 20 30 10 20
Rain shwrs C S C S
Tstms C S C S
$$
SCZ043-190800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
256 PM EDT Fri Apr 18 2025
Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon
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 56 83 57 83 59
Temp 79 69 62 59 58 59 77 83 82 71 62 59 58 59 75 83 83 72 62 60 59 62
Dewpt 57 58 59 58 58 59 60 58 58 59 61 59 58 59 59 57 55 58 60 59 59 62
RH 47 68 90 96100100 56 43 44 66 97100100100 58 41 38 61 93 96100100
Wind dir S S S S S S S S S S S N N N S S S S S N N N
Wind spd 13 9 5 4 3 2 8 11 13 8 1 0 0 0 6 10 11 6 1 0 0 0
Clouds FW FW CL CL CL FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC B1 B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25
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 61 87 61 85 61 83 62 84
Temp 84 73 64 64 87 75 64 65 85 74 64 65 83 74 64 65 84 75
Dewpt 58 60 62 63 59 62 63 65 62 64 64 65 63 62 63 64 60 61
PWind dir S S SW S S SE SE SE SE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds B1 SC B1 B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC
PoP 12hr 0 0 10 20 40 20 30 10 20
Rain shwrs S C S C S
Tstms S C S C S
$$
GAZ099-190800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
256 PM EDT Fri Apr 18 2025
Date 04/18/25 Sat 04/19/25 Sun 04/20/25 Mon
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 57 88 57 86 59
Temp 85 75 66 62 59 60 76 85 88 77 66 62 59 59 75 84 86 77 66 63 61 62
Dewpt 54 58 60 60 58 60 61 58 56 57 59 59 59 59 59 54 53 57 59 60 60 61
RH 35 55 81 93 96100 60 40 34 50 78 90100100 58 36 32 50 78 90 97 97
Wind dir S SE SE S S S S S S SE SE N N N S S SE SE SE SE N N
Wind spd 9 10 6 3 3 2 8 10 10 8 3 0 0 0 6 9 10 8 4 1 0 0
Clouds FW CL CL CL CL FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/21 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 88 63 89 63 90 63 89 64 89
Temp 85 79 66 65 86 78 66 65 87 78 66 65 88 78 67 66 86 78
Dewpt 58 60 60 62 57 59 62 63 59 62 64 65 61 64 64 65 59 60
PWind dir S S SW S S SE SE SE SE
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds SC SC B1 B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr 5 0 10 10 30 10 30 10 20
Rain shwrs C C S
Tstms C C S
$$
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