Sullivans Island Sea Conditions and Tide Table

Sullivans Island 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 06:58 AM and sunset is at 07:31 PM.

Days 1–3 Weather Summary

Moderate rain (total 11mm), heaviest on Fri morning. Very warm air temperatures (max 30°C on Sat afternoon, min 27°C on Thu morning). Winds increasing (calm on Thu morning, fresh winds from the SSW by Sat afternoon).

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Tue night. Very warm air temperatures (max 30°C on Sun afternoon, min 26°C on Mon morning). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Fri night. Warm (max 28°C on Fri afternoon, min 23°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 41mm), heaviest during Sun night. Warm (max 24°C on Sat afternoon, min 17°C on Tue morning). Mainly fresh winds.

Days 13–16 Weather Summary

Mostly dry. Warm (max 29°C on Fri afternoon, min 18°C on Fri morning). Winds decreasing (fresh winds from the N on Thu morning, calm by Fri night).

Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Fri
25
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
7:50AM1.83m
8:10PM1.96m
8:39AM1.88m
8:54PM1.91m
9:26AM1.91m
9:36PM1.84m
10:11AM1.89m
10:17PM1.75m
10:55AM1.86m
10:58PM1.66m
11:39AM1.80m
11:41PM1.58m
12:24PM1.75m
00:26AM1.50m
1:12PM1.69m
1:15AM1.45m
2:03PM1.66m
2:07AM1.43m
2:57PM1.65m
3:02AM1.42m
3:52PM1.66m
3:59AM1.45m
4:45PM1.69m
4:54AM1.51m
5:34PM1.74m
5:44AM1.58m
6:20PM1.79m
6:31AM1.68m
7:01PM1.82m
Low Tide
1:51PM-0.03m
2:23AM0.03m
2:42PM-0.01m
3:06AM0.03m
3:30PM0.04m
3:46AM0.07m
4:16PM0.12m
4:25AM0.13m
5:01PM0.22m
5:03AM0.21m
5:48PM0.32m
5:41AM0.29m
6:36PM0.42m
6:23AM0.37m
7:28PM0.49m
7:10AM0.42m
8:23PM0.53m
8:04AM0.45m
9:18PM0.54m
9:02AM0.45m
10:10PM0.51m
10:00AM0.43m
10:59PM0.46m
10:55AM0.38m
11:44PM0.39m
11:48AM0.32m
00:27AM0.31m
12:37PM0.25m
Wave
Height (m)
Direction
Period (s)
0.7
ESE
6
0.6
ESE
6
0.6
ESE
7
0.5
SE
8
0.5
SE
7
0.5
SE
7
0.6
S
4
0.9
S
4
0.6
SE
8
0.6
SE
8
0.8
SSW
4
0.6
SE
9
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.4
SE
8
0.5
ESE
5
0.6
E
5
0.6
E
4
0.7
E
4
0.7
E
5
0.6
ESE
7
0.6
ESE
7
0.4
ESE
7
0.4
ESE
6
0.5
SE
6
0.4
ESE
7
0.8
ENE
4
1.1
E
5
0.9
E
6
1.1
ENE
6
1.3
E
7
1.3
E
8
1
E
8
0.9
ESE
8
0.9
E
8
0.8
ESE
8
0.6
ESE
8
0.7
SE
8
0.8
SE
8
1.1
E
5
1.8
SE
13
1.7
ESE
11
1.3
ESE
11
1.1
ESE
12
0.9
ESE
13
0.6
ESE
12
thunderstorm
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
part cloud
clear
mod rain
cloud
thunderstorm
rain showers
rain showers
light rain
heavy rain
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
risk tstorm
clear
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
some clouds
risk tstorm
clear
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
clear
clear
clear
clear
some clouds
clear
mod rain
cloudy
risk tstorm
rain shwrs
rain shwrs
light rain
heavy rain
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
km/h
5
SSE
15
SSE
15
SSW
10
SSW
15
S
10
SW
10
SW
30
SSW
15
SSW
15
WSW
25
SSW
15
WSW
0
NE
15
S
5
SSE
15
ENE
20
ENE
10
E
20
ENE
25
E
10
ENE
15
NE
15
E
10
SW
5
WSW
20
SSE
15
NNE
25
NE
25
NE
20
NE
30
NE
25
NE
25
NNE
25
NNE
25
NNE
25
NNE
15
NNE
10
ESE
10
ENE
20
NE
30
ENE
25
N
30
N
25
N
20
N
20
N
10
N
 mm
2
2
2
1
1
1
2
1
1
1
1
2
5
1
9
1
5
4
3
28
max °C
27
28
28
28
29
28
29
30
28
28
30
28
29
29
28
28
28
27
27
27
27
26
27
26
27
28
27
22
24
22
22
24
21
21
24
20
20
24
23
23
26
25
22
27
25
21
29
Moonrise
6:22
7:26
8:29
9:31
10:32
11:33
12:34
1:31
2:25
3:14
3:57
4:35
5:09
5:39
6:07
6:35
Moonset
7:15
7:44
8:12
8:41
9:13
9:48
10:28
11:13
12:04
1:00
1:58
2:58
3:58
4:58
5:59
Sunrise
6:58
7:00
7:00
7:01
7:01
7:01
7:03
7:03
7:03
7:05
7:05
7:05
7:07
7:07
7:07
7:09
Sunset
7:31
7:30
7:30
7:28
7:27
7:25
7:23
7:22
7:22
7:20
7:19
7:16
7:15
7:15
7:13
7:12
Today's sea temperature in Sullivans Island is
28.5°C
(Statistics for 10 Sep 1981-2005 – mean: 27.4 max: 28.8 min: 25.9°C)
Issued (local time): 1 am Thursday 10 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest