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 07:07 AM and sunset is at 05:12 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Mon morning. Icy conditions (max 12°C on Sun night, min -1°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Fri night. Cool air temperatures (max 17°C on Fri morning, min 4°C on Fri night). Winds increasing (light winds from the W on Thu afternoon, fresh winds from the N by Fri night).

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Sun afternoon. Freeze-thaw conditions (max 13°C on Sun morning, min 0°C on Sun night). Winds increasing (light winds from the NNE on Sun afternoon, fresh winds from the NNE by Sun night).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 18°C on Thu afternoon, min 2°C on Tue morning). Wind will be generally light.

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
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
9:27AM1.95m
9:54PM1.53m
10:23AM1.86m
10:53PM1.50m
11:18AM1.76m
11:52PM1.48m
12:12PM1.65m
00:49AM1.47m
1:03PM1.55m
1:45AM1.48m
1:54PM1.47m
2:40AM1.50m
2:44PM1.41m
3:32AM1.53m
3:33PM1.37m
4:21AM1.57m
4:22PM1.35m
5:08AM1.62m
5:09PM1.35m
5:52AM1.65m
5:54PM1.36m
6:34AM1.67m
6:37PM1.37m
Low Tide
3:48PM-0.05m
3:47AM-0.13m
4:41PM0.02m
4:43AM-0.04m
5:34PM0.08m
5:41AM0.06m
6:29PM0.13m
6:42AM0.15m
7:22PM0.16m
7:44AM0.20m
8:13PM0.17m
8:43AM0.23m
9:01PM0.16m
9:39AM0.22m
9:47PM0.15m
10:31AM0.20m
10:31PM0.13m
11:20AM0.16m
11:13PM0.11m
12:06PM0.13m
11:55PM0.08m
12:49PM0.10m
00:36AM0.06m
Wave
height (m) 
direction
period (s) 
0.4
ESE
9
0.4
ESE
9
0.5
SE
9
0.6
ESE
9
0.7
SE
9
0.9
ENE
6
0.7
ESE
8
0.5
ESE
9
0.5
E
9
0.5
ESE
9
0.9
SSW
4
0.9
SSW
5
0.5
SSW
5
0.4
ESE
8
0.4
ESE
9
0.4
SSW
4
0.6
SSW
4
0.8
SSW
5
1
NNE
4
0.7
NNE
4
0.6
ENE
4
0.5
E
4
0.5
ESE
4
0.8
NE
4
1.1
E
6
0.9
ESE
8
0.9
ESE
8
0.9
ESE
9
0.9
ESE
7
0.8
ESE
9
0.6
SE
10
0.6
ESE
10
0.5
SE
9
0.6
ESE
9
0.6
SE
9
0.6
SE
9
cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
rain showers
clear
clear
part cloud
cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
cloudy
rain shwrs
clear
clear
some clouds
cloudy
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
 km/h
15
NNE
10
NNE
10
NNE
20
NNE
25
N
25
N
15
NNE
5
SE
10
WSW
15
WSW
30
SW
25
WSW
15
WNW
15
W
15
WSW
15
WSW
20
SW
25
WNW
30
N
20
NNE
20
ENE
15
ENE
10
NNE
25
N
30
NNE
20
NNE
20
NNE
25
NNE
20
NE
20
NNE
15
NNE
15
ENE
10
NW
5
N
15
SSW
15
SSW
 mm 
4
1
2
max°C
10
11
12
9
7
4
5
7
7
13
15
14
15
16
14
17
17
16
3
5
8
13
12
6
4
5
3
5
7
6
11
13
16
17
18
18
Moonrise
8:14
9:24
10:30
11:31
12:30
1:27
2:22
3:19
4:16
5:14
6:12
Moonset
10:04
10:49
11:25
11:55
12:23
12:48
1:13
1:39
2:07
2:38
3:15
3:58
Sunrise
7:07
7:09
7:09
7:09
7:11
7:11
7:11
7:13
7:13
7:13
7:15
7:16
Sunset
5:12
5:13
5:13
5:13
5:13
5:13
5:14
5:14
5:14
5:15
5:15
5:15
Today's sea temperature in Sullivans Island is
15.0° C
(Statistics for 07 Dec 1981-2005 – mean: 21.6 max: 23.6 min: 19.7°C)
Issued (local time): 12 pm Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest