889
FOUS52 KCHS 182311
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
711 PM EDT MON MAY 18 2026
SCZ150-190800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
711 PM EDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 88 66 90 70
TEMP 77 72 69 67 70 82 86 86 79 72 69 67 70 82 88 88 81 73 72 70 73
DEWPT 66 66 66 65 68 66 64 64 65 66 66 66 68 67 65 66 67 68 69 68 71
RH 69 81 90 93 93 58 48 48 62 81 90 97 93 61 47 48 63 84 90 93 93
WIND DIR SE SE N N N SE SE SE SE SE N N N S SE S S S S N N
WIND SPD 9 5 0 0 0 5 10 12 9 4 0 0 0 2 9 12 10 6 4 0 0
CLOUDS CL FW FW SC B1 FW FW CL CL FW FW SC SC FW SC FW FW FW FW FW FW
POP 12HR 0 0 0 5 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 90 90
MAX HEAT 90 92
COAST FLOOD Y
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 90 71 87 73 87 73 87 72 87
TEMP 88 81 73 73 85 80 74 74 85 81 74 74 85 80 74 73 84 80
DEWPT 67 69 70 71 69 69 70 71 70 70 71 72 70 70 71 71 70 70
PWIND DIR S SE SE SE SE S S S S
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC B1 B1 SC SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1
POP 12HR 10 10 40 20 40 20 40 20 40
RAIN SHWRS C C S S C C S C C S C C
TSTMS S C S S C S C S C
GAZ218-190800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
711 PM EDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 67 87 67 89 70
TEMP 78 72 69 67 70 81 86 86 80 72 69 67 69 82 87 88 82 74 72 70 72
DEWPT 67 67 66 65 67 68 66 66 67 67 66 65 67 68 67 67 69 70 68 68 69
RH 69 84 90 93 90 65 51 51 65 84 90 93 93 63 52 50 65 87 87 93 90
WIND DIR SE SE E N E E SE SE SE SE N N N SE SE SE SE SE S S N
WIND SPD 8 3 1 0 1 4 9 10 8 2 0 0 0 2 6 10 8 3 2 1 0
CLOUDS FW FW FW SC SC FW FW CL CL FW SC B1 B1 SC SC FW FW FW FW FW SC
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 90 91
MAX HEAT 90 92
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 89 72 87 73 87 73 88 73 87
TEMP 88 82 73 74 86 82 74 74 85 82 75 74 86 82 74 74 85 81
DEWPT 68 70 69 69 71 71 70 70 72 72 70 70 72 72 70 70 71 71
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR LT LT GN LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC SC SC SC B1 B1 SC SC B1 B1 B1 SC B1 B1
POP 12HR 10 5 20 10 40 10 40 10 40
RAIN SHWRS S S C C C C C C
TSTMS S S C C S C
SCZ150-190800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
711 PM EDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 71 85 71 87 73
TEMP 77 74 71 71 72 82 84 84 79 73 72 71 72 83 86 86 80 75 74 73 75
DEWPT 70 68 68 67 69 69 70 69 68 68 68 68 69 70 71 70 71 71 71 70 72
RH 79 82 90 87 90 65 63 61 69 84 87 90 90 65 61 59 74 87 90 90 90
WIND DIR SE SE SE SE E SE SE SE SE SE S N N S SE S S S S SW SW
WIND SPD 6 4 2 1 1 5 9 10 6 3 2 0 0 3 9 10 6 4 3 2 1
CLOUDS FW FW FW SC SC FW FW CL FW FW FW SC FW FW FW SC FW FW FW SC FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 91 91
MAX HEAT 91 93
COAST FLOOD Y
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 74 85 75 85 74 85 74 85
TEMP 86 80 75 75 84 80 76 76 84 81 76 76 85 80 75 76 84 80
DEWPT 73 72 71 71 73 72 72 72 74 73 72 72 74 73 72 72 74 72
PWIND DIR S SE SE SE SE S S S S
WIND CHAR LT LT GN LT GN LT GN LT GN
AVG CLOUDS FW FW FW SC B1 SC SC SC B1 SC SC B1 B1 B1 B1 B1 B1 SC
POP 12HR 5 20 30 20 30 20 40 20 40
RAIN SHWRS S C S S S C S S C C S C C
TSTMS S S S S S S S C S C
SCZ148-190800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
711 PM EDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 87 68 89 72
TEMP 78 73 70 68 71 82 86 86 80 72 70 68 70 82 87 88 81 74 72 72 74
DEWPT 68 68 66 66 67 68 68 68 68 68 66 66 68 69 68 69 70 70 69 69 70
RH 71 84 87 93 87 63 55 55 67 87 87 93 93 65 53 54 69 87 90 90 87
WIND DIR SE SE SE N E E SE SE SE SE N N N SE SE SE SE S S S N
WIND SPD 6 3 1 0 1 4 9 9 6 2 0 0 0 2 8 10 6 3 2 1 0
CLOUDS FW FW FW FW SC FW FW CL CL FW SC SC B1 FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 91 92
MAX HEAT 91 94
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 89 73 87 73 87 74 87 73 87
TEMP 88 82 74 75 85 81 75 75 85 82 75 75 86 81 75 74 85 81
DEWPT 70 71 70 70 72 71 70 70 73 72 71 71 73 72 70 70 73 72
PWIND DIR SE SE SE SE SE SE SE S S
WIND CHAR LT LT GN LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC SC SC SC B1 B1 SC SC B1 B1 SC SC B1 B1
POP 12HR 10 5 30 10 30 20 40 10 40
RAIN SHWRS C S C C S C C C C
TSTMS S S C C S C
SCZ043-190800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
711 PM EDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 90 63 91 66
TEMP 78 69 64 62 66 82 88 89 80 69 65 63 66 82 89 90 82 71 68 66 69
DEWPT 65 64 63 61 65 66 61 62 64 64 63 61 65 66 60 62 66 66 65 64 68
RH 64 84 97 97 97 58 40 41 58 84 93 93 97 58 38 39 58 84 90 93 97
WIND DIR SE N N N N SE SE SE SE N N N N N SE S S S N N N
WIND SPD 6 0 0 0 0 3 6 10 8 0 0 0 0 0 4 10 8 4 0 0 0
CLOUDS FW FW FW SC B1 FW CL CL CL FW FW SC B1 SC SC FW FW FW FW SC SC
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 90
MAX HEAT 91
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 91 67 88 68 88 68 89 68 88
TEMP 89 81 70 70 85 81 70 71 86 82 71 71 86 81 70 70 86 81
DEWPT 63 68 65 68 66 69 66 68 68 70 67 69 68 70 66 68 67 70
PWIND DIR S SE SE SE SE SE SE S S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC FW SC B1 B1 SC SC B1 B1 SC B1 B1 B1 B1 B1 B1 B2
POP 12HR 20 10 40 10 40 20 40 10 60
RAIN SHWRS S C C C C S C C C L
TSTMS S C S C C S C
GAZ099-190800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
711 PM EDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 63 91 64 91 67
TEMP 80 71 66 64 67 80 88 91 84 72 67 65 67 81 89 91 84 75 69 67 70
DEWPT 63 65 65 64 66 66 63 61 64 66 65 65 66 66 61 60 64 66 66 67 68
RH 56 81 97100 97 62 43 37 51 81 93100 97 60 39 36 51 74 90100 93
WIND DIR SE SE SE E E SE E SE SE SE S N N S SE SE SE SE S S S
WIND SPD 9 4 2 1 2 3 5 8 9 4 1 0 0 2 4 5 6 4 3 2 1
CLOUDS CL CL FW SC SC FW CL CL FW FW B1 B1 B1 FW SC FW SC FW FW FW FW
POP 12HR 0 5 0 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 91 91
MAX HEAT 91 91
DATE 05/21 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 91 68 90 69 89 69 89 69 89
TEMP 89 84 72 71 87 83 72 71 87 83 72 71 87 82 72 71 86 82
DEWPT 63 67 68 68 66 69 68 69 68 71 69 70 68 71 69 69 68 71
PWIND DIR S SE SE SE S SE SE SE SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC B1 B1 SC SC B1 B1 B1 SC B1 B1 B1 B1 B2 B2
POP 12HR 20 20 40 10 40 20 50 20 60
RAIN SHWRS S S S C C S S C S S L
TSTMS S C C S C S 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
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