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 — and sunset is at —.

Days 1–4 Weather Summary

Heavy rain (total 38mm), heaviest during Thu night. Cool air temperatures (max 14°C on Thu night, min 7°C on Sat night). Winds decreasing (strong winds from the SSW on Thu night, light winds from the SSE by Sat night).

Days 5–7 Weather Summary

Heavy rain (total 25mm), heaviest during Sun night. Cool air temperatures (max 11°C on Mon morning, min 7°C on Tue night). Winds decreasing (fresh winds from the SSW on Mon morning, calm by Mon night).

Days 8–10 Weather Summary

Heavy rain (total 39mm), heaviest during Wed night. Very mild (max 11°C on Fri night, min 6°C on Wed night). Mainly fresh winds.

Days 11–13 Weather Summary

Heavy rain (total 23mm), heaviest during Sun night. Very mild (max 13°C on Sun afternoon, min 4°C on Mon night). Winds decreasing (strong winds from the S on Sun afternoon, light winds from the SSE by Tue morning).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
High Tide
00:23AM1.94m
10:58AM2.47m
00:59AM1.98m
11:34AM2.49m
1:34AM2.00m
12:10PM2.48m
2:09AM2.01m
12:47PM2.45m
2:44AM2.03m
1:26PM2.37m
3:21AM2.05m
2:08PM2.25m
3:58AM2.09m
2:58PM2.08m
4:36AM2.15m
3:58PM1.88m
5:17AM2.24m
5:13PM1.69m
6:01AM2.33m
6:43PM1.58m
6:48AM2.44m
8:15PM1.58m
7:39AM2.55m
Low Tide
5:10AM1.22m
6:10PM-0.14m
5:48AM1.23m
6:45PM-0.16m
6:25AM1.22m
7:20PM-0.15m
7:04AM1.21m
7:55PM-0.12m
7:45AM1.19m
8:31PM-0.07m
8:32AM1.15m
9:07PM0.02m
9:27AM1.08m
9:45PM0.15m
10:31AM0.96m
10:26PM0.33m
11:41AM0.77m
11:13PM0.53m
12:52PM0.52m
00:06AM0.73m
1:59PM0.22m
1:07AM0.92m
3:01PM-0.07m
Wave
height (m) 
direction
period (s) 
4.5
W
11
3.5
W
11
3
W
10
3
WNW
10
2.5
WNW
11
2.4
WNW
10
2.2
WNW
11
2.1
WNW
10
2.3
WNW
10
2.5
WNW
10
2.5
WNW
10
3
WNW
10
3.5
WNW
11
3
WNW
12
3
WNW
12
2.5
WNW
12
2
WNW
11
1.8
WNW
10
3
SSW
10
3
SW
10
3.5
WSW
11
3.5
WSW
12
4
SW
12
4
SW
11
2.3
WSW
10
1.7
WSW
9
1.8
WSW
9
3
SW
8
5
SW
10
6
WSW
12
4.5
WSW
12
3.5
W
11
3.5
W
11
3
W
11
3
WNW
12
3.5
WNW
12
heavy rain
light rain
rain showers
rain showers
part cloud
cloud
cloud
rain showers
rain showers
rain showers
rain showers
clear
rain showers
light rain
cloud
mod rain
rain showers
cloud
heavy rain
mod rain
light rain
light rain
light rain
rain showers
rain showers
light rain
cloud
light rain
light rain
cloud
heavy rain
rain showers
rain showers
clear
clear
part cloud
heavy rain
light rain
rain shwrs
rain shwrs
some clouds
cloudy
cloudy
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
rain shwrs
light rain
cloudy
mod rain
rain shwrs
cloudy
heavy rain
mod rain
light rain
light rain
light rain
rain shwrs
rain shwrs
light rain
cloudy
light rain
light rain
cloudy
heavy rain
rain shwrs
rain shwrs
clear
clear
some clouds
 km/h
20
NW
10
WNW
10
W
10
SSW
10
SSE
15
SSW
10
SSE
15
SSW
25
SW
20
SW
25
SSW
25
SSW
15
SSW
5
SE
5
ESE
10
ENE
15
S
15
ESE
20
SSE
20
SE
25
S
15
ESE
25
SE
30
S
20
SW
15
SSE
15
SSE
25
S
45
S
50
S
20
SW
25
WSW
15
WSW
15
SSE
10
SE
15
SSW
 mm 
32
1
1
1
1
2
9
1
4
4
6
1
12
10
2
4
1
3
6
1
1
2
16
3
1
max°C
14
10
10
9
10
10
8
10
11
9
11
10
8
8
9
8
10
9
8
9
9
7
10
10
11
10
10
11
12
13
11
10
10
6
9
8
Moonrise
7:55
8:46
9:28
10:03
10:31
10:54
11:15
11:35
11:55
12:16
12:42
1:14
Moonset
4:09
5:05
6:09
7:17
8:26
9:35
10:44
11:55
1:07
2:23
3:43
Sunrise
7:45
7:46
7:46
7:47
7:47
7:47
7:48
7:48
7:48
7:48
7:48
7:48
Sunset
4:43
4:44
4:44
4:45
4:45
4:45
4:45
4:46
4:47
4:47
4:49
4:50
Today's sea temperature in Charleston is
12.5° C
(Statistics for 18 Dec 1981-2005 – mean: 10.6 max: 12.5 min: 9.5°C)
Issued (local time): 9 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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