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 07:18 AM and sunset is at 05:17 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Thu afternoon, min 15°C on Thu night). Winds increasing (calm on Wed afternoon, fresh winds from the ENE by Thu night).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Sat afternoon, min 14°C on Fri morning). Winds decreasing (fresh winds from the ENE on Fri morning, calm by Sat night).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 17°C on Mon morning, min 1°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 15°C on Sat afternoon, min 6°C on Thu morning). Wind will be generally light.

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
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
Wave Height Map
High Tide
9:37AM1.61m
9:48PM1.34m
10:14AM1.58m
10:30PM1.36m
10:56AM1.55m
11:18PM1.41m
11:43AM1.51m
00:13AM1.46m
12:36PM1.47m
1:12AM1.52m
1:35PM1.43m
2:15AM1.60m
2:39PM1.40m
3:21AM1.68m
3:45PM1.39m
4:27AM1.76m
4:51PM1.40m
5:32AM1.82m
5:57PM1.43m
6:32AM1.88m
6:55PM1.48m
7:27AM1.90m
7:51PM1.51m
Low Tide
3:58PM0.08m
3:50AM0.04m
4:37PM0.07m
4:37AM0.07m
5:20PM0.05m
5:30AM0.10m
6:08PM0.02m
6:31AM0.12m
7:01PM-0.02m
7:38AM0.13m
7:58PM-0.06m
8:48AM0.11m
8:57PM-0.12m
9:55AM0.05m
9:58PM-0.18m
10:59AM-0.02m
10:59PM-0.22m
12:01PM-0.09m
11:58PM-0.28m
12:57PM-0.16m
00:55AM-0.33m
1:49PM-0.20m
1:49AM-0.34m
Wave
height (m) 
direction
period (s) 
0.8
ESE
9
0.8
ESE
9
0.6
ESE
9
0.4
ESE
9
0.4
SE
9
0.4
SE
9
0.4
ESE
9
0.5
ESE
8
0.4
ESE
9
1.2
E
5
0.9
E
7
0.6
ESE
9
0.6
SE
7
0.5
ESE
10
0.4
ESE
10
0.3
ESE
10
0.5
ESE
14
0.6
SSW
4
0.5
SSW
5
0.5
SE
8
0.7
NNE
3
0.6
N
3
0.4
N
3
0.3
E
7
0.2
E
9
0.2
E
8
0.1
E
8
0.2
E
8
0.2
E
4
0.2
ENE
4
0.1
SE
12
0.3
SW
2
0.2
SSE
5
0.1
SE
10
0.4
SW
3
0.3
SSW
3
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
10
WSW
15
SW
15
W
10
NW
5
SE
10
SE
15
W
15
WSW
15
W
30
ENE
20
ENE
10
SW
15
WSW
10
W
5
E
10
W
20
SSW
20
WSW
20
NNW
15
NNW
25
N
25
NNW
20
NNW
10
N
10
NNE
10
S
5
NW
10
N
10
ENE
5
NNW
5
W
15
SSW
10
WSW
10
WSW
15
SSW
15
WSW
 mm 
max°C
19
20
18
20
21
19
21
23
21
14
16
18
22
24
22
21
21
20
17
17
9
4
5
4
4
7
8
9
9
8
11
12
12
14
15
15
Moonrise
10:03
10:35
11:04
11:31
11:59
12:28
1:02
1:41
2:29
3:26
4:34
5:46
Moonset
8:43
9:44
10:45
11:47
12:51
1:57
3:08
4:22
5:36
6:46
7:47
Sunrise
7:18
7:18
7:18
7:18
7:20
7:20
7:20
7:20
7:20
7:20
7:20
7:22
Sunset
5:17
5:17
5:19
5:20
5:20
5:21
5:22
5:22
5:22
5:23
5:24
5:24
Today's sea temperature in Sullivans Island is
13.0° C
(Statistics for 23 Dec 1981-2005 – mean: 20.9 max: 23.0 min: 18.4°C)
Issued (local time): 12 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest