Charleston Sea Conditions and Tide Table

Charleston Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 06:18 AM and sunset is at 08:13 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 27°C on Wed afternoon, min 22°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 27°C on Thu afternoon, min 23°C on Thu morning). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Tue morning. Warm (max 28°C on Sun afternoon, min 24°C on Sun morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Fri night. Warm (max 29°C on Fri afternoon, min 22°C on Fri night). Wind will be generally light.

Days 13–16 Weather Summary

Heavy rain (total 37mm), heaviest during Sat night. Warm (max 27°C on Sat afternoon, min 18°C on Mon morning). Wind will be generally light.

Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tue
2
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
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High Tide
10:00AM1.56m
10:28PM2.06m
10:57AM1.54m
11:24PM1.99m
11:57AM1.52m
00:21AM1.91m
12:58PM1.51m
1:19AM1.81m
2:00PM1.52m
2:17AM1.72m
3:00PM1.55m
3:13AM1.63m
3:58PM1.61m
4:08AM1.56m
4:53PM1.66m
5:01AM1.51m
5:43PM1.72m
5:50AM1.47m
6:30PM1.77m
6:37AM1.44m
7:13PM1.80m
7:20AM1.42m
7:54PM1.81m
8:01AM1.41m
8:34PM1.81m
8:40AM1.39m
9:11PM1.79m
9:17AM1.37m
Low Tide
3:59PM-0.17m
4:51AM-0.05m
4:54PM-0.11m
5:46AM-0.01m
5:50PM-0.04m
6:41AM0.04m
6:49PM0.05m
7:39AM0.07m
7:52PM0.12m
8:36AM0.09m
8:55PM0.17m
9:30AM0.09m
9:58PM0.20m
10:23AM0.08m
10:56PM0.19m
11:11AM0.07m
11:49PM0.17m
11:57AM0.05m
00:38AM0.15m
12:40PM0.04m
1:23AM0.12m
1:21PM0.04m
2:06AM0.11m
2:01PM0.05m
2:47AM0.11m
2:40PM0.07m
3:26AM0.12m
3:17PM0.09m
Wave
Height (m)
Direction
Period (s)
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.7
SE
8
0.6
SE
8
0.7
SE
8
0.7
SE
8
0.7
SE
8
0.7
SE
8
0.8
SE
8
0.8
SE
8
0.8
SE
8
0.8
SE
8
0.7
SE
8
0.7
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
7
0.6
SE
8
0.6
SE
8
0.8
SE
8
0.7
SE
7
0.7
SE
7
0.7
SE
8
0.7
SE
8
0.8
SSE
6
0.8
SE
8
0.8
SE
8
0.9
S
4
0.8
S
5
0.7
SE
7
0.9
SE
6
0.9
SE
6
1.1
S
5
1
SSE
6
1
SSE
6
0.6
SE
6
0.6
SE
6
0.6
SE
6
0.4
SE
6
0.6
ESE
5
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
clear
clear
thunderstorm
mod rain
light rain
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
risk tstorm
risk tstorm
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
clear
clear
risk tstorm
mod rain
light rain
risk tstorm
clear
clear
clear
clear
clear
km/h
10
SE
15
SE
10
SSE
10
SE
15
SE
10
S
5
SE
15
SSE
10
S
10
SE
20
SSE
10
SSE
10
SE
15
SE
10
SE
10
E
20
ESE
10
SE
10
ESE
15
SE
10
SE
10
SE
15
SSE
10
SSE
15
S
15
S
15
S
15
SSW
20
S
15
SSW
15
SSW
20
SSW
10
SW
15
SW
25
SSW
10
NNW
10
SW
20
S
10
SSE
25
SSW
15
SSW
15
WSW
10
WNW
10
SSW
5
SSW
10
E
20
ESE
2
1
3
22
7
1
7
max °C
24
25
23
24
25
23
26
27
24
26
27
24
26
27
24
26
26
24
27
28
25
27
27
25
26
27
25
27
27
25
27
28
25
28
29
26
26
27
25
24
23
24
23
27
25
25
26
Moonrise
7:35
8:44
9:56
11:08
12:16
1:20
2:21
3:20
4:17
5:15
6:13
7:12
8:10
9:07
9:59
Moonset
10:54
11:53
12:41
1:21
1:54
2:23
2:49
3:15
3:42
4:10
4:42
5:18
5:59
6:47
7:39
Sunrise
6:18
6:18
6:16
6:16
6:16
6:16
6:15
6:15
6:13
6:13
6:13
6:13
6:13
6:11
6:11
6:11
Sunset
8:13
8:14
8:14
8:15
8:15
8:15
8:16
8:17
8:17
8:19
8:20
8:20
8:21
8:21
8:22
8:22
Today's sea temperature in Charleston is
21.9° C
(Statistics for 18 May 1981-2005 – mean: 23.6 max: 25.6 min: 22.4°C)
Issued (local time): 1 am Monday 18 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest