US Highway 17 bridge, South Santee River Sea Conditions and Tide Table

US Highway 17 bridge, South Santee River 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 05:13 PM.

Days 1–4 Weather Summary

Heavy rain (total 27mm), heaviest during Thu night. Warm air temperatures (max 20°C on Thu afternoon, min 9°C on Fri night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Wed morning, min 3°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Warm (max 22°C on Fri afternoon, min 15°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Warm (max 23°C on Sat afternoon, min 14°C on Mon night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
7:27PM1.09m
8:05AM1.36m
8:07PM1.09m
8:44AM1.36m
8:46PM1.09m
9:22AM1.35m
9:22PM1.08m
9:58AM1.33m
9:59PM1.08m
10:33AM1.31m
10:38PM1.08m
11:10AM1.29m
11:21PM1.09m
11:51AM1.26m
00:10AM1.12m
12:38PM1.23m
1:06AM1.17m
1:32PM1.18m
2:06AM1.23m
2:32PM1.15m
3:10AM1.30m
3:36PM1.12m
4:15AM1.37m
Low Tide
2:41PM0.11m
2:30AM0.06m
3:21PM0.10m
3:09AM0.05m
4:00PM0.10m
3:47AM0.04m
4:38PM0.10m
4:25AM0.04m
5:16PM0.10m
5:04AM0.05m
5:55PM0.10m
5:46AM0.07m
6:36PM0.09m
6:33AM0.09m
7:20PM0.07m
7:26AM0.12m
8:07PM0.04m
8:27AM0.15m
9:00PM0.01m
9:34AM0.15m
9:56PM-0.03m
10:44AM0.12m
10:56PM-0.09m
11:51AM0.06m
Wave
height (m) 
direction
period (s) 
0.9
SE
6
1.4
SE
9
1.3
SE
9
1
SE
8
0.6
SE
9
0.7
SE
8
0.7
SE
8
0.6
ESE
8
0.5
SE
8
0.4
ESE
9
0.9
ENE
5
1.3
E
7
1.2
ESE
8
0.9
ESE
9
0.7
ESE
9
0.6
ESE
9
0.5
ESE
9
0.5
ESE
8
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.5
SE
9
0.7
S
4
0.5
S
5
0.4
SE
9
0.4
SE
9
0.3
ESE
9
0.4
SE
9
0.4
ESE
9
0.4
ESE
8
0.5
SE
9
0.4
ESE
9
0.7
E
4
1.1
E
6
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
rain shwrs
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
 km/h
10
SSE
20
SSW
25
W
15
WNW
5
NNW
15
ENE
15
ENE
5
WNW
10
WNW
5
NW
20
NNE
25
NE
20
ENE
15
NNE
10
NE
5
S
10
WSW
5
WNW
0
WSW
5
E
5
SSE
10
S
10
SW
15
WSW
15
SW
15
W
10
WNW
5
W
0
W
10
ESE
10
ENE
10
SSW
10
WNW
10
NNE
15
ENE
20
ENE
 mm 
4
23
2
max°C
20
19
18
14
11
13
13
15
16
16
13
6
7
11
17
17
16
18
19
15
19
19
18
21
22
19
22
23
20
20
19
19
21
19
14
16
Moonrise
7:08
8:00
8:47
9:27
10:03
10:34
11:02
11:30
11:57
12:26
12:59
1:38
Moonset
3:54
4:43
5:38
6:37
7:38
8:40
9:42
10:43
11:45
12:49
1:56
3:07
Sunrise
7:15
7:16
7:16
7:16
7:16
7:18
7:18
7:18
7:18
7:18
7:20
7:20
Sunset
5:13
5:13
5:14
5:14
5:15
5:15
5:15
5:15
5:16
5:16
5:17
5:19
Today's sea temperature in US Highway 17 bridge, South Santee River is
10.4° C
(Statistics for 18 Dec 1981-2005 – mean: 21.4 max: 23.5 min: 19.3°C)
Issued (local time): 6 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest