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 — and sunset is at 05:19 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Sat afternoon, min 16°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 22°C on Mon afternoon, min 5°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 6mm), mostly falling on Sat morning. Very mild (max 16°C on Fri afternoon, min 6°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 6mm), mostly falling on Sat night. Very mild (max 17°C on Mon afternoon, min 10°C on Sun night). Winds decreasing (fresh winds from the NE on Sat night, calm by Mon night).

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
Wave Height Map
High Tide
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
8:20AM1.88m
8:45PM1.52m
9:11AM1.83m
9:38PM1.52m
9:59AM1.74m
Low Tide
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
2:39PM-0.21m
2:41AM-0.32m
3:26PM-0.19m
3:31AM-0.25m
Wave
height (m) 
direction
period (s) 
0.6
SE
5
0.4
ESE
9
0.4
SE
9
0.6
E
6
0.5
ESE
8
0.6
SE
7
0.4
ESE
10
0.4
ESE
11
0.7
ENE
4
0.6
E
8
0.6
SE
4
0.7
SSW
4
0.9
SSW
5
0.6
S
5
0.5
NE
4
0.4
ENE
6
0.3
ENE
5
0.2
ESE
8
0.4
SW
3
0.6
SW
4
0.3
WSW
3
0.2
SSE
6
0.2
ESE
12
0.4
SW
3
0.5
SW
3
0.4
SSW
4
0.2
SSW
4
0.2
ESE
11
0.4
ENE
3
0.9
ENE
5
0.6
E
6
0.5
E
7
0.5
E
7
0.4
ESE
7
0.4
ESE
7
0.3
ESE
7
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
cloud
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
clear
some clouds
some clouds
clear
clear
clear
some clouds
clear
some clouds
clear
clear
clear
some clouds
cloudy
light rain
light rain
light rain
light rain
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
 km/h
20
SW
10
W
10
NE
15
ENE
10
WSW
10
WNW
5
SE
15
E
20
ENE
10
E
15
SW
25
SW
25
SW
20
NNW
15
NNE
10
N
10
NNE
10
WSW
20
WSW
20
W
10
N
10
ESE
10
SW
20
WSW
20
SW
20
W
5
SW
10
ENE
15
NE
25
NE
15
NNE
15
NNW
15
N
5
WSW
5
W
5
WSW
 mm 
2
4
1
5
max°C
22
21
16
17
18
22
23
19
19
20
20
20
22
16
8
10
7
9
12
10
10
11
12
14
16
14
10
11
13
13
14
11
15
17
15
16
Moonrise
11:31
11:59
12:28
1:02
1:41
2:29
3:26
4:34
5:46
7:00
8:10
Moonset
10:45
11:47
12:51
1:57
3:08
4:22
5:36
6:46
7:47
8:38
9:18
9:52
Sunrise
7:18
7:20
7:20
7:20
7:20
7:20
7:20
7:20
7:22
7:22
7:22
7:22
Sunset
5:19
5:20
5:20
5:21
5:22
5:22
5:22
5:23
5:24
5:24
5:25
5:27
Today's sea temperature in Sullivans Island is
12.0° C
(Statistics for 25 Dec 1981-2005 – mean: 20.8 max: 23.0 min: 18.4°C)
Issued (local time): 6 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest