The Cove, Fort Moultrie, Charleston Harbor Sea Conditions and Tide Table

The Cove, Fort Moultrie, 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 — and sunset is at 05:15 PM.

Days 1–4 Weather Summary

Heavy rain (total 21mm), heaviest during Thu night. Warm air temperatures (max 20°C on Thu afternoon, min 9°C on Fri night). Winds decreasing (fresh winds from the SW on Thu night, light winds from the WNW by Sun morning).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Sun afternoon, min 5°C on Sun night). Winds increasing (calm on Sun afternoon, fresh winds from the NE by Mon morning).

Days 8–10 Weather Summary

Mostly dry. Warm (max 22°C on Sat morning, min 16°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 24°C on Sat afternoon, min 15°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
6:50PM1.34m
7:25AM1.69m
7:29PM1.34m
8:04AM1.70m
8:06PM1.34m
8:41AM1.69m
8:42PM1.34m
9:17AM1.67m
9:19PM1.34m
9:52AM1.65m
9:59PM1.36m
10:30AM1.62m
10:44PM1.39m
11:12AM1.57m
11:35PM1.43m
11:59AM1.52m
00:32AM1.48m
12:53PM1.47m
1:33AM1.55m
1:53PM1.42m
2:38AM1.62m
2:58PM1.39m
3:42AM1.70m
Low Tide
00:45AM0.06m
1:28PM0.13m
1:24AM0.05m
2:09PM0.12m
2:02AM0.04m
2:48PM0.12m
2:40AM0.05m
3:26PM0.13m
3:19AM0.06m
4:05PM0.13m
4:00AM0.08m
4:45PM0.12m
4:45AM0.11m
5:29PM0.10m
5:37AM0.15m
6:16PM0.08m
6:37AM0.18m
7:10PM0.05m
7:44AM0.20m
8:07PM0.01m
8:53AM0.18m
9:09PM-0.04m
10:01AM0.13m
Wave
height (m) 
direction
period (s) 
1.1
SE
7
1.6
SE
8
1.4
SE
9
1.1
SE
8
0.8
SE
9
0.7
SE
8
0.9
SE
8
0.6
SE
8
0.6
ESE
8
0.5
SE
8
1.1
ENE
4
1.6
E
7
1.4
ESE
8
1.1
ESE
9
1
ESE
9
0.8
ESE
9
0.7
ESE
9
0.6
ESE
8
0.6
ESE
7
0.6
ESE
8
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.6
ESE
9
0.8
SSW
4
0.6
S
5
0.4
ESE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.5
SE
9
0.4
ESE
9
0.7
E
4
1.1
E
5
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
 km/h
10
SSE
20
SW
30
W
20
W
10
NW
15
ENE
20
ENE
10
WNW
10
W
5
NNW
25
NE
35
NE
30
ENE
20
NNE
15
NE
5
SSE
10
W
5
WNW
5
S
5
ESE
5
S
10
SSW
15
SW
15
WSW
20
SW
15
W
10
W
5
WSW
5
WNW
5
NE
5
SE
10
SSW
10
W
5
S
20
ENE
30
ENE
 mm 
4
17
max°C
20
19
17
15
10
14
14
15
16
17
14
8
8
11
17
17
17
17
19
17
18
19
18
21
21
20
22
24
21
19
20
20
23
21
16
16
Moonrise
7:08
8:01
8:47
9:28
10:04
10:35
11:04
11:31
11:59
12:29
1:02
1:41
Moonset
3:58
4:47
5:41
6:40
7:41
8:43
9:44
10:45
11:47
12:51
1:58
3:08
Sunrise
7:16
7:16
7:16
7:18
7:18
7:18
7:18
7:18
7:20
7:20
7:20
7:20
Sunset
5:15
5:15
5:15
5:16
5:16
5:17
5:17
5:19
5:20
5:20
5:21
5:22
Today's sea temperature in The Cove, Fort Moultrie, Charleston Harbor is
12.1° C
(Statistics for 18 Dec 1981-2005 – mean: 21.3 max: 23.6 min: 18.8°C)
Issued (local time): 6 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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