Winyah Bay Entrance (South Jetty) Sea Conditions and Tide Table

Winyah Bay Entrance (South Jetty) 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 07:05 AM and sunset is at 05:08 PM.

Days 1–3 Weather Summary

Light rain (total 6mm), mostly falling on Mon morning. Icy conditions (max 14°C on Sun night, min 0°C on Mon night). Winds decreasing (fresh winds from the NNE on Mon afternoon, calm by Tue afternoon).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Fri morning, min 7°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 12°C on Fri night, min -3°C on Sat night). Winds decreasing (strong winds from the NNW on Sat afternoon, calm by Sun night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 13°C on Thu night, min -2°C on Mon night). Winds decreasing (fresh winds from the NW on Mon night, light winds from the NW by Wed morning).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
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
Wave Height Map
High Tide
9:20AM1.76m
9:46PM1.37m
10:14AM1.69m
10:42PM1.34m
11:07AM1.59m
11:40PM1.31m
12:00PM1.49m
00:38AM1.30m
12:53PM1.40m
1:35AM1.30m
1:46PM1.32m
2:30AM1.33m
2:38PM1.26m
3:23AM1.36m
3:29PM1.23m
4:12AM1.40m
4:17PM1.21m
4:58AM1.44m
5:04PM1.20m
5:42AM1.48m
5:48PM1.20m
6:24AM1.50m
6:29PM1.20m
Low Tide
3:35PM0.01m
3:39AM-0.08m
4:26PM0.06m
4:33AM0.01m
5:19PM0.11m
5:29AM0.10m
6:12PM0.14m
6:27AM0.18m
7:05PM0.17m
7:27AM0.23m
7:57PM0.18m
8:27AM0.26m
8:48PM0.17m
9:23AM0.25m
9:37PM0.15m
10:16AM0.23m
10:23PM0.12m
11:04AM0.19m
11:07PM0.10m
11:50AM0.16m
11:50PM0.07m
12:33PM0.13m
Wave
height (m) 
direction
period (s) 
0.4
SE
9
0.4
SE
9
0.5
SE
9
0.7
ENE
4
0.7
E
5
0.9
E
8
0.7
E
9
0.5
E
9
0.4
ESE
9
0.4
ESE
9
0.8
SSW
4
0.6
SSW
5
0.3
ESE
9
0.4
ESE
8
0.7
SSW
4
0.6
S
6
0.4
S
6
0.6
ENE
4
0.4
ESE
4
0.5
W
3
0.6
NE
5
0.5
NE
5
0.3
ESE
8
0.2
ESE
10
0.3
SE
10
0.4
SE
9
0.6
SE
10
0.6
NNW
3
0.6
ESE
10
0.4
SE
10
0.4
ESE
11
0.4
ESE
12
0.4
ESE
12
0.4
ESE
12
0.4
ESE
12
cloud
light rain
light rain
light rain
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloudy
light rain
light rain
light rain
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
clear
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
 km/h
10
ENE
15
NE
15
NNE
25
N
25
NNE
30
N
15
NNE
0
SSE
10
WSW
20
SW
30
SW
25
WSW
15
WSW
20
SW
25
SW
25
W
10
NNW
20
NE
15
N
30
WNW
35
NNW
20
N
15
N
5
N
5
S
15
WSW
35
NW
30
NNW
30
NNW
15
NNW
10
NW
10
WSW
10
W
15
WSW
15
SW
 mm 
1
2
3
max°C
11
12
14
8
7
3
5
7
8
13
14
14
16
17
17
19
17
12
10
10
-2
3
4
5
10
11
8
3
5
3
7
9
9
11
12
Moonrise
8:10
9:20
10:26
11:28
12:27
1:24
2:20
3:17
4:14
5:13
6:11
Moonset
10:03
10:47
11:23
11:53
12:20
12:45
1:10
1:35
2:03
2:35
3:11
3:53
Sunrise
7:05
7:07
7:07
7:09
7:09
7:09
7:11
7:11
7:11
7:13
7:13
7:13
Sunset
5:08
5:08
5:08
5:08
5:08
5:09
5:09
5:09
5:09
5:10
5:10
5:12
Today's sea temperature in Winyah Bay Entrance (South Jetty) is
13.9° C
(Statistics for 07 Dec 1981-2005 – mean: 22.0 max: 23.7 min: 20.2°C)
Issued (local time): 12 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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