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 22°C on Wed afternoon, min 16°C on Wed morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Sat afternoon, min 6°C on Mon night). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 12°C on Thu afternoon, min 4°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 20°C on Sun afternoon, min 11°C on Fri morning). Wind will be generally light.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
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
8:20AM1.88m
8:45PM1.52m
Low Tide
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
2:39PM-0.21m
2:41AM-0.32m
Wave
height (m) 
direction
period (s) 
0.4
ESE
9
0.4
SE
9
0.4
SE
9
0.5
E
7
0.6
ESE
8
0.5
ESE
9
0.4
SE
8
0.3
ESE
10
0.6
SE
7
0.5
SSW
5
0.4
SSW
5
0.7
ENE
4
0.9
E
5
0.6
E
6
0.5
E
9
0.8
S
5
0.8
SSW
5
0.7
SW
4
0.4
NNE
4
0.3
ENE
5
0.2
E
5
0.3
ENE
3
0.2
ESE
8
0.2
E
8
0.2
E
8
0.1
SE
8
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
11
0.2
ESE
10
0.4
SE
5
0.4
SSW
3
0.4
SSW
4
0.6
SSW
4
0.4
SSW
4
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
clear
 km/h
10
NW
5
N
10
ESE
10
SSW
15
SW
10
W
5
N
10
ESE
15
WSW
15
W
0
SSW
30
ENE
25
ENE
10
ENE
15
SSW
25
SW
20
WSW
25
NW
20
N
15
NNW
10
N
10
NE
5
ESE
5
WSW
5
NNW
10
S
5
NNW
5
NNE
5
SE
10
WSW
10
WSW
15
SSW
15
WSW
15
WSW
20
SW
10
W
 mm 
max°C
21
22
19
20
21
21
17
17
19
22
24
20
15
18
20
21
21
13
7
9
6
7
9
9
11
12
12
13
14
14
16
17
17
19
20
19
Moonrise
10:35
11:04
11:31
11:59
12:28
1:02
1:41
2:29
3:26
4:34
5:46
7:00
Moonset
9:44
10:45
11:47
12:51
1:57
3:08
4:22
5:36
6:46
7:47
8:38
Sunrise
7:18
7:18
7:18
7:20
7:20
7:20
7:20
7:20
7:20
7:20
7:22
7:22
Sunset
5:17
5:19
5:20
5:20
5:21
5:22
5:22
5:22
5:23
5:24
5:24
5:25
Today's sea temperature in Sullivans Island is
13.2° C
(Statistics for 24 Dec 1981-2005 – mean: 20.9 max: 23.0 min: 18.4°C)
Issued (local time): 12 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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