Fort Sumter, Charleston Harbor Sea Conditions and Tide Table

Fort Sumter, Charleston Harbor 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 05:19 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 21°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 4°C on Mon night). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 13°C on Wed afternoon, min 4°C on Tue morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 14°C on Sun morning, min 7°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
10:32AM1.62m
10:46PM1.39m
11:14AM1.57m
11:37PM1.43m
12:01PM1.52m
00:34AM1.48m
12:55PM1.47m
1:35AM1.55m
1:55PM1.42m
2:40AM1.62m
3:00PM1.39m
3:44AM1.70m
4:05PM1.38m
4:48AM1.79m
5:10PM1.41m
5:51AM1.85m
6:14PM1.44m
6:50AM1.91m
7:13PM1.49m
7:45AM1.94m
8:08PM1.52m
8:37AM1.92m
9:01PM1.54m
Low Tide
4:54PM0.11m
4:54AM0.11m
5:38PM0.10m
5:46AM0.14m
6:25PM0.08m
6:46AM0.17m
7:19PM0.05m
7:53AM0.19m
8:16PM0.01m
9:02AM0.17m
9:18PM-0.04m
10:10AM0.13m
10:19PM-0.10m
11:13AM0.06m
11:20PM-0.16m
12:13PM-0.00m
00:17AM-0.22m
1:08PM-0.07m
1:11AM-0.26m
1:59PM-0.11m
2:04AM-0.27m
2:49PM-0.12m
2:54AM-0.24m
Wave
height (m) 
direction
period (s) 
0.4
ESE
9
0.4
SE
9
0.4
SE
9
0.5
ESE
8
0.6
SE
5
0.4
ESE
9
0.4
SE
8
0.4
SE
10
0.6
S
4
0.6
SSW
5
0.4
SSW
5
0.8
ENE
3
1
E
5
0.7
E
5
0.5
E
9
0.7
SSE
4
0.8
S
5
0.7
SW
4
0.4
E
7
0.3
E
7
0.2
ESE
9
0.2
ESE
9
0.4
SW
3
0.3
SW
4
0.4
NE
2
0.7
ENE
4
0.6
E
5
0.6
E
5
0.4
ENE
5
0.3
E
6
0.4
E
6
0.7
ENE
4
0.7
E
5
0.6
E
5
0.5
E
5
0.5
ESE
6
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
some clouds
cloudy
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
 km/h
10
NW
5
ESE
10
ESE
10
SW
20
SW
10
W
5
NNE
10
ESE
15
WSW
15
W
0
NNW
30
ENE
25
ENE
15
ENE
5
ESE
20
SW
20
WSW
25
NNW
10
N
5
WNW
5
W
15
WSW
15
SW
10
WNW
20
NE
20
ENE
15
NNE
15
NE
5
E
5
NNE
15
NE
20
ENE
20
NNE
15
N
15
NNW
5
NW
 mm 
max°C
20
21
18
20
21
21
18
18
19
23
24
20
15
15
18
22
22
14
7
9
8
10
13
12
11
11
10
11
12
12
12
13
13
14
13
13
Moonrise
10:35
11:04
11:32
11:59
12:29
1:02
1:41
2:29
3:27
4:34
5:47
7:00
Moonset
9:44
10:46
11:47
12:51
1:58
3:08
4:22
5:37
6:47
7:47
8:38
Sunrise
7:18
7:18
7:20
7:20
7:20
7:20
7:20
7:20
7:20
7:22
7:22
7:22
Sunset
5:19
5:19
5:20
5:20
5:21
5:22
5:22
5:22
5:23
5:24
5:25
5:25
Today's sea temperature in Fort Sumter, Charleston Harbor is
13.2° C
(Statistics for 24 Dec 1981-2005 – mean: 20.9 max: 23.0 min: 18.4°C)
Issued (local time): 6 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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