330  
FOUS52 KCHS 181046  
PFMCHS  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHARLESTON SC  
646 AM EDT FRI SEP 18 2026  
 
SCZ150-182000-  
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC  
32.91N 80.03W ELEV. 45 FT  
646 AM EDT FRI SEP 18 2026  
 
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 73 91 73 88  
TEMP 71 84 90 90 81 77 75 74 75 84 89 86 79 77 75 73 75 83 86 83 78  
DEWPT 70 69 67 67 69 71 72 72 72 72 72 72 73 74 74 73 73 74 73 72 73  
RH 97 61 47 47 67 82 90 93 90 67 57 63 82 90 97100 94 74 65 70 85  
WIND DIR NW NW N S S SW N W NW NW SE SE E N N NE NE NE E SE SE  
WIND SPD 3 3 0 4 6 4 0 2 3 3 3 8 4 0 0 3 4 5 5 8 4  
CLOUDS FW FW FW SC SC SC FW SC FW SC B1 B2 B1 B1 SC SC SC SC B1 B1 B1  
POP 12HR 5 10 50 30 50  
QPF 12HR 0 0 0.16 0.16 0.12  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C  
TSTMS C C C S C S  
HEAT INDEX 93 93 90 96 92 90 93  
MAX HEAT 93 94 96 96 93 93  
 
DATE MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26  
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 89 73 88 72 86 70 85  
TEMP 75 75 87 80 75 74 85 79 74 73 84 79 73 70 82 77  
DEWPT 73 74 73 73 74 73 73 74 73 72 72 72 70 69 70 70  
PWIND DIR E E E E NE NE NE NE  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B1 B1 SC B1 B1 B1 SC B1 B1 B1 SC SC SC  
POP 12HR 5 50 40 70 20 40 10 20  
RAIN SHWRS S C S C C L S S S C S  
TSTMS S C S S C S C S  
 
 
GAZ218-182000-  
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA  
32.12N 81.20W ELEV. 50 FT  
646 AM EDT FRI SEP 18 2026  
 
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 72 93 73 89  
TEMP 72 84 91 91 81 77 75 73 74 85 91 88 80 77 75 73 75 83 87 84 78  
DEWPT 70 70 68 69 69 71 72 70 70 72 72 73 73 74 73 73 73 75 74 74 74  
RH 93 63 47 49 67 82 90 90 87 65 54 61 79 90 94100 94 77 65 72 88  
WIND DIR N N NE SE S S W W W NW E SE SE SE N N N NE E E SE  
WIND SPD 3 3 3 5 4 2 1 1 1 2 2 6 4 1 0 1 3 4 5 6 3  
CLOUDS FW CL SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1  
POP 12HR 5 10 30 20 50  
QPF 12HR 0 0 0.04 0.02 0.10  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C  
TSTMS S S S S C C  
HEAT INDEX 95 96 91 99 96 90 95 91  
MAX HEAT 95 97 99 101 95 95  
 
DATE MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26  
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 72 88 73 88 72 87 71 86  
TEMP 74 74 86 80 75 74 86 80 74 73 85 79 74 71 83 78  
DEWPT 73 73 75 74 74 73 75 74 73 72 74 73 71 69 72 71  
PWIND DIR E E NE E NE NE NE NE  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B1 B1 SC SC B1 B1 SC SC B1 B1 FW SC SC  
POP 12HR 5 50 20 60 20 40 10 30  
RAIN SHWRS C C S C L S S C C  
TSTMS S C C S C S  
 
 
SCZ150-182000-  
CHARLESTON WATERFRONT-CHARLESTON SC  
32.78N 79.94W ELEV. 10 FT  
646 AM EDT FRI SEP 18 2026  
 
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 90 75 87  
TEMP 73 84 89 87 81 79 77 75 76 84 88 85 80 78 77 76 75 83 86 83 80  
DEWPT 72 72 72 72 73 74 74 74 74 75 76 75 76 76 75 75 75 77 77 76 76  
RH 97 67 57 61 77 85 90 97 94 74 68 72 88 94 94 97100 82 75 80 88  
WIND DIR NW N SE S S SW W W NW NW SE SE E E E NE NE NE E SE SE  
WIND SPD 2 2 3 6 4 3 2 2 2 2 5 6 3 2 1 2 3 4 6 8 3  
CLOUDS FW FW FW SC SC SC FW FW FW SC B1 SC SC SC SC SC SC SC B1 SC SC  
POP 12HR 5 10 40 40 40  
QPF 12HR 0 0 0.05 0.22 0.05  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S C C C C C C C C  
TSTMS C S C S C S  
HEAT INDEX 90 95 94 92 98 94 91 97 91  
MAX HEAT 95 96 98 99 97 96  
 
DATE MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26  
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 75 87 75 86 74 85 71 84  
TEMP 77 75 86 81 78 76 85 81 76 74 84 80 75 72 82 78  
DEWPT 75 75 77 76 76 75 77 76 75 74 76 75 72 70 73 73  
PWIND DIR E E E E NE NE NE NE  
WIND CHAR LT LT LT LT LT GN LT GN  
AVG CLOUDS SC B1 B1 B1 B1 SC B1 B1 B1 SC B1 B1 B1 SC SC SC  
POP 12HR 10 40 50 60 30 40 20 20  
RAIN SHWRS S C S C C L C C C C S S S  
TSTMS S C S S C C S S C S S  
 
 
SCZ148-182000-  
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC  
32.48N 80.72W ELEV. 37 FT  
646 AM EDT FRI SEP 18 2026  
 
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 74 91 74 88  
TEMP 71 84 90 90 81 77 76 75 75 84 89 87 79 77 76 75 74 83 86 84 78  
DEWPT 71 71 70 71 72 72 73 73 73 73 74 75 75 74 74 74 74 76 76 76 75  
RH 100 65 52 54 74 85 90 94 94 70 61 68 88 90 94 97100 80 72 77 91  
WIND DIR N N NE S S S W W NW NW SE SE SE SE N NE N NE E SE SE  
WIND SPD 2 2 1 4 4 2 1 1 1 2 2 5 3 1 0 1 3 4 4 5 2  
CLOUDS CL FW FW SC SC SC FW FW FW SC B1 SC SC SC SC SC SC SC B1 B1 B1  
POP 12HR 5 10 40 30 50  
QPF 12HR 0 0 0.07 0.02 0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C  
TSTMS C C S S C C  
HEAT INDEX 96 96 90 98 96 91 96 93  
MAX HEAT 96 97 98 99 96 96  
 
DATE MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26  
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 74 87 74 87 73 86 71 84  
TEMP 75 74 85 81 76 75 85 79 74 74 84 79 74 71 82 78  
DEWPT 74 74 76 75 74 74 77 75 74 73 75 74 71 70 73 72  
PWIND DIR NE E NE E NE NE NE NE  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B1 B1 SC SC B1 B1 SC SC B1 B1 SC SC SC  
POP 12HR 5 50 30 70 20 40 20 20  
RAIN SHWRS C C C C L S S S C S S S  
TSTMS S C S C S C S S  
 
 
SCZ043-182000-  
WALTERBORO-INLAND COLLETON SC  
32.91N 80.67W ELEV. 98 FT  
646 AM EDT FRI SEP 18 2026  
 
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 71 91 71 88  
TEMP 69 84 90 90 80 75 73 71 72 83 89 86 77 74 72 72 71 82 86 83 76  
DEWPT 69 69 68 68 69 69 70 68 70 71 72 72 73 73 72 71 71 73 72 72 72  
RH 100 61 49 49 69 82 90 90 93 67 57 63 87 97100 97100 74 63 70 87  
WIND DIR N N N N S N N N N N NE SE E N N N NE E E SE N  
WIND SPD 0 0 0 0 4 0 0 0 0 0 2 3 2 0 0 0 1 3 4 5 0  
CLOUDS SC FW FW SC FW FW FW SC FW SC SC SC SC B1 SC SC SC B1 B1 SC SC  
POP 12HR 5 10 60 40 50  
QPF 12HR 0 0 0.14 0.04 0.27  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S L C C C C C C  
TSTMS S C C S C S  
HEAT INDEX 94 94 96 92 92  
MAX HEAT 94 96 96 96 92 92  
 
DATE MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26  
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 70 89 70 88 70 86 68 84  
TEMP 72 72 87 78 72 72 85 78 72 71 84 77 70 69 81 76  
DEWPT 71 72 72 72 72 72 72 72 71 71 71 70 68 67 69 68  
PWIND DIR N E N E N NE NE NE  
WIND CHAR LT LT LT LT LT GN LT GN  
AVG CLOUDS SC SC B1 B1 B1 SC B1 B1 B1 SC B1 B1 SC FW SC SC  
POP 12HR 5 40 20 60 20 30 10 20  
RAIN SHWRS C S S C L S C S  
TSTMS C S C S C S  
 
 
GAZ099-182000-  
METTER-CANDLER GA  
32.40N 82.06W ELEV. 197 FT  
646 AM EDT FRI SEP 18 2026  
 
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26  
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 71 93 71 90  
TEMP 67 83 91 91 82 77 74 72 71 84 91 89 79 75 74 73 71 82 88 86 77  
DEWPT 67 68 67 67 68 68 69 69 69 70 72 72 74 74 73 72 71 74 73 73 74  
RH 100 61 45 45 63 74 84 90 93 63 54 57 85 97 97 97100 77 61 65 90  
WIND DIR NW NW NE E S S NW W W W NW E E SE SE E NE NE E E SE  
WIND SPD 2 3 3 3 2 3 1 1 1 2 3 3 2 2 1 1 2 3 4 5 3  
CLOUDS CL SC FW SC SC FW FW SC SC SC FW SC SC SC SC B1 SC SC SC B1 B1  
POP 12HR 5 10 40 50 50  
QPF 12HR 0 0 0.05 0.39 0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C C  
TSTMS S C C S C C  
HEAT INDEX 94 94 99 96 96 93  
MAX HEAT 94 96 99 100 96 97  
 
DATE MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26  
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 71 90 71 90 71 88 69 86  
TEMP 73 71 88 80 73 72 88 80 73 72 86 78 72 69 84 77  
DEWPT 73 71 73 74 73 72 74 74 73 71 73 73 70 67 71 71  
PWIND DIR E E E NE E NE NE NE  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B1 SC B1 B1 B1 SC B1 SC SC FW SC SC  
POP 12HR 5 40 20 40 20 30 10 10  
RAIN SHWRS C S S C S C  
TSTMS C 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  
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