Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
404
FOUS52 KCHS 170638
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
238 AM EDT Tue Jun 17 2025
SCZ050-172000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
238 AM EDT Tue Jun 17 2025
Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25
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 93 78 94 76 94
Temp 77 79 88 91 90 85 82 80 79 80 88 90 89 83 80 79 77 80 88 90 89 83
Dewpt 75 74 73 72 73 74 75 74 74 74 73 72 73 73 74 74 74 74 74 72 72 74
RH 94 85 61 54 58 70 79 82 85 82 61 56 59 72 82 85 90 82 63 56 57 74
Wind dir SW SW SW SW SW S S SW SW SW SW SW S S S SW SW SW SW SW S S
Wind spd 6 8 10 11 12 11 10 9 9 9 9 10 12 11 10 10 10 9 10 12 14 11
Clouds FW FW FW SC SC FW FW FW FW CL FW FW SC FW SC SC FW FW FW SC SC SC
PoP 12hr 10 10 20 5 30
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C C
Tstms S S C C C
Heat index 96 99 98 93 96 97 97 97 97 96 90
Max heat 99 100 90 97 98 98 97
Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25
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 76 93 75 92 76 93 76 94
Temp 79 79 89 82 77 79 88 82 78 80 89 83 78 79 91 84
Dewpt 75 73 73 75 75 74 73 75 75 75 72 74 75 75 72 74
PWind dir SW SW SW S S S SW S
Wind char GN LT LT LT LT LT LT LT
Avg clouds SC SC SC B1 B1 SC SC SC FW FW FW FW FW FW FW SC
PoP 12hr 30 50 30 40 10 20 5 20
Rain shwrs C C S C C S C C S S S
Tstms C C S C C S C C S S S
$$
GAZ118-172000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
238 AM EDT Tue Jun 17 2025
Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 93 76 94 75 94
Temp 76 78 87 93 92 85 81 79 77 78 87 91 89 84 80 78 77 78 88 91 90 84
Dewpt 74 75 75 73 72 75 75 74 73 74 74 73 74 75 74 74 73 73 75 74 74 75
RH 94 91 68 52 52 72 82 85 87 88 65 56 61 74 82 88 87 85 66 58 60 74
Wind dir SW SW SW SW S S S S S SW SW SW S S S S SW SW SW SW S S
Wind spd 4 5 8 9 10 10 8 5 5 4 6 9 11 10 8 5 5 4 5 8 9 8
Clouds FW FW SC FW FW SC SC CL CL CL FW SC SC SC SC SC FW FW FW SC SC SC
PoP 12hr 20 20 20 5 40
QPF 12hr 0.01 0 0 0 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S C C C
Tstms S S S S C C C
Heat index 96102100 94 95100 98 92 98101 99 92
Max heat 102 101 90 100 100 101 101
Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 76 94 75 92 75 93 75 94
Temp 78 78 91 84 77 78 90 83 79 79 91 84 78 79 92 85
Dewpt 74 74 75 75 75 75 76 74 75 75 75 74 74 75 75 74
PWind dir SW SW S S S S S S
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC SC B1 B1 SC SC SC FW FW FW FW FW FW FW FW
PoP 12hr 30 50 20 50 10 30 5 30
Rain shwrs C C S S C C C
Tstms C C S S C C C
$$
SCZ050-172000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
238 AM EDT Tue Jun 17 2025
Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25
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 92 79 91 78 92
Temp 78 80 88 91 89 84 82 81 79 81 87 89 87 83 80 80 80 80 88 90 87 83
Dewpt 76 76 77 77 76 76 76 76 76 77 77 77 77 76 77 77 76 76 78 77 77 77
RH 94 88 70 64 66 77 82 85 91 88 72 68 72 80 91 91 88 88 72 66 72 82
Wind dir SW SW SW SW S S SW SW SW SW SW S S S S SW SW SW SW S S S
Wind spd 9 8 11 12 14 12 11 10 10 9 11 13 16 13 10 10 10 9 10 12 14 11
Clouds FW FW FW SC FW FW FW FW FW FW FW FW FW FW SC SC FW FW FW SC SC SC
PoP 12hr 10 10 10 5 30
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C
Tstms C C C
Heat index 100103100 93 98101 98 91 101103 99 92
Max heat 103 103 102 102 103 102
Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25
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 91 77 90 78 91 77 92
Temp 80 81 89 82 80 80 88 83 80 80 89 83 80 81 90 84
Dewpt 77 76 77 78 77 77 78 77 77 76 77 77 77 77 77 77
PWind dir SW SW SW S S S SW S
Wind char GN LT LT GN LT LT LT LT
Avg clouds SC SC B1 B1 B1 SC SC SC FW FW FW FW FW FW FW FW
PoP 12hr 40 40 40 40 10 20 5 20
Rain shwrs C C S C C S C C S S S
Tstms C C S C C S C C S S S
$$
SCZ048-172000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
238 AM EDT Tue Jun 17 2025
Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 93 78 92 77 92
Temp 77 79 86 90 90 84 81 81 78 80 86 91 88 83 80 79 77 79 87 91 89 84
Dewpt 74 75 75 74 75 76 76 75 74 74 75 75 75 76 75 74 73 75 76 75 75 76
RH 90 88 70 60 62 77 85 82 88 82 70 60 66 80 85 85 87 88 70 60 64 77
Wind dir SW SW SW SW S S S SW SW SW SW SW S S S S SW SW SW SW S S
Wind spd 4 6 8 9 10 10 8 8 5 5 6 9 12 11 8 6 5 5 6 9 10 9
Wind gust 21
Clouds FW FW FW FW FW FW FW FW CL FW FW FW SC SC SC SC FW FW FW SC SC SC
PoP 12hr 10 10 20 5 30
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C C
Tstms S S C C C
Heat index 95 99101 93 95102 98 91 98102 99 93
Max heat 101 102 91 102 102 102 102
Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 76 93 76 91 76 92 76 93
Temp 79 79 91 82 78 78 89 83 79 80 91 83 78 79 92 84
Dewpt 75 74 76 77 76 75 76 76 76 76 76 76 76 75 76 76
PWind dir SW SW SW S S S S S
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC SC B1 B1 SC SC SC FW FW FW FW FW FW FW FW
PoP 12hr 30 40 30 40 10 20 5 20
Rain shwrs C S C C S C S S
Tstms C S C C S C S S
$$
SCZ043-172000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
238 AM EDT Tue Jun 17 2025
Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25
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 91 75 92 73 92
Temp 74 76 86 90 91 85 79 77 76 77 86 89 89 83 77 75 74 77 86 90 90 82
Dewpt 73 75 73 72 71 73 74 74 72 74 73 71 71 73 74 73 72 74 74 72 71 73
RH 97 97 65 56 52 67 85 90 87 90 65 56 56 72 90 94 93 90 68 56 54 74
Wind dir SW SW SW SW SW S S S S SW SW SW SW S S S SW SW SW SW SW S
Wind spd 3 5 9 10 10 8 5 6 5 5 6 8 9 8 6 5 5 5 6 9 9 6
Wind gust 19 18
Clouds FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW SC SC FW FW SC SC SC
PoP 12hr 20 20 20 5 40
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S S C C C
Tstms S S S S S C C C
Heat index 93 97 98 92 93 95 95 94 97 96
Max heat 97 99 96 96 97 98
Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25
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 73 90 72 89 73 91 73 92
Temp 75 76 89 80 74 76 88 81 74 77 89 82 74 76 90 82
Dewpt 73 74 73 75 74 75 74 74 73 76 73 73 73 75 73 73
PWind dir SW SW S S S S S S
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC B1 B1 SC SC SC SC SC FW FW FW FW FW FW SC
PoP 12hr 30 50 20 50 5 30 5 30
Rain shwrs C S C S C C C C
Tstms C S C S S C C C
$$
GAZ099-172000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
238 AM EDT Tue Jun 17 2025
Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 93 74 94 73 93
Temp 72 74 85 90 92 86 79 77 75 76 86 90 91 85 79 77 75 77 85 90 91 85
Dewpt 72 74 74 71 71 72 73 72 72 72 72 70 69 71 72 72 72 73 73 71 70 73
RH 100100 70 54 51 63 82 85 90 87 63 52 49 63 79 85 90 87 67 54 50 67
Wind dir SW SW SW SW SW S S S S SW SW SW SW S S S S SW SW SW SW SW
Wind spd 3 4 6 9 8 4 3 3 3 2 5 6 6 3 3 2 2 2 4 6 6 2
Clouds FW FW SC SC FW FW FW FW CL FW FW SC SC FW SC SC FW FW FW SC SC FW
PoP 12hr 30 20 20 10 40
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S S S C C C
Tstms S S S S S C C C
Heat index 93 96 99 92 92 96 96 90 92 96 97 92
Max heat 96 99 96 96 96 97
Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 73 94 72 94 73 94 73 95
Temp 78 77 91 84 76 76 90 86 76 77 91 86 76 77 92 87
Dewpt 72 73 72 75 73 74 74 74 73 74 73 73 73 73 73 73
PWind dir SW W S S S SE S SE
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC SC SC SC SC FW SC FW FW FW FW FW FW FW FW
PoP 12hr 30 40 30 50 10 30 5 30
Rain shwrs C C C C C C
Tstms C C C C C C
$$
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