Fort Johnson, Charleston Harbor Sea Conditions and Tide Table

Fort Johnson, 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 07:52 PM.

Days 1–4 Weather Summary

Moderate rain (total 12mm), heaviest on Sat night. Warm air temperatures (max 28°C on Sat afternoon, min 15°C on Sun afternoon). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 7mm), mostly falling on Mon night. Warm air temperatures (max 23°C on Wed afternoon, min 10°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 14mm), heaviest on Sat morning. Warm (max 22°C on Wed night, min 11°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 3mm), mostly falling on Tue afternoon. Warm (max 27°C on Tue afternoon, min 19°C on Sun night). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
PM
Wave Height Map
High Tide
5:24PM1.39m
5:38AM1.47m
6:11PM1.47m
6:23AM1.48m
6:53PM1.55m
7:04AM1.49m
7:32PM1.62m
7:42AM1.48m
8:09PM1.68m
8:19AM1.46m
8:45PM1.71m
8:54AM1.43m
9:19PM1.73m
9:28AM1.40m
9:54PM1.73m
10:02AM1.37m
10:32PM1.72m
10:41AM1.34m
11:14PM1.70m
11:26AM1.32m
00:04AM1.67m
12:20PM1.31m
1:02AM1.64m
1:24PM1.33m
Low Tide
11:26PM0.25m
11:54AM0.22m
00:15AM0.19m
12:36PM0.16m
1:01AM0.14m
1:15PM0.12m
1:44AM0.10m
1:52PM0.09m
2:24AM0.07m
2:27PM0.08m
3:04AM0.07m
3:02PM0.09m
3:44AM0.09m
3:37PM0.10m
4:24AM0.12m
4:13PM0.11m
5:05AM0.15m
4:52PM0.13m
5:51AM0.19m
5:38PM0.16m
6:41AM0.22m
6:32PM0.18m
7:38AM0.22m
Wave
height (m) 
direction
period (s) 
0.6
SE
8
0.5
SE
8
0.5
SE
8
0.6
SE
8
0.5
SE
8
0.6
ESE
8
0.6
ESE
8
0.8
E
4
0.9
ENE
5
0.8
E
6
0.7
E
7
0.7
E
8
0.8
ESE
9
0.7
ESE
9
0.6
E
8
0.5
E
8
0.5
E
7
0.7
SSW
4
0.7
NE
3
1.3
E
6
1.2
E
7
0.9
E
5
0.9
ESE
5
0.8
ESE
5
0.6
ESE
6
0.6
SE
4
0.7
SSE
5
0.6
SSE
5
0.4
SE
6
0.4
SE
7
0.5
ESE
5
0.5
SE
7
0.4
ESE
7
0.6
SE
4
0.6
SE
5
0.6
ESE
5
clear
part cloud
clear
part cloud
clear
thunderstorm
thunderstorm
light rain
cloud
light rain
cloud
light rain
rain showers
clear
clear
clear
clear
part cloud
rain showers
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
light rain
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
thunderstorm
clear
some clouds
clear
some clouds
clear
risk tstorm
risk tstorm
light rain
cloudy
light rain
cloudy
light rain
rain shwrs
clear
clear
clear
clear
some clouds
rain shwrs
cloudy
some clouds
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
light rain
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
risk tstorm
 km/h
10
SSW
5
WSW
15
S
10
SW
10
WNW
5
W
10
ENE
15
NE
15
NE
15
N
15
NE
15
NNW
10
NNE
10
NE
15
SE
10
SW
15
WSW
15
SW
20
NNE
25
ENE
20
ENE
15
ENE
20
E
20
E
10
SSW
10
NNW
5
SSE
10
SSW
10
N
10
E
10
E
10
SE
15
SSE
15
SSW
5
WNW
10
SSW
 mm 
2.0
8
2.0
3
1.0
3
2.0
1.0
10
1.0
2.0
max°C
23
23
27
23
26
28
25
18
16
14
12
13
11
14
17
16
20
23
22
14
15
16
18
20
20
20
22
22
21
24
21
23
24
23
24
27
Moonrise
3:16
4:12
5:06
6:01
6:57
7:54
8:54
9:56
10:59
12:01
12:58
1:50
Moonset
4:43
5:08
5:32
5:56
6:21
6:49
7:21
7:59
8:45
9:39
10:40
11:47
Sunrise
6:43
6:43
6:41
6:41
6:39
6:39
6:37
6:37
6:35
6:33
6:33
6:31
Sunset
7:52
7:52
7:52
7:53
7:54
7:54
7:55
7:57
7:58
7:58
7:59
8:00
8:00
Today's sea temperature in Fort Johnson, Charleston Harbor is 19.6 °C (Statistics for 18 Apr 1981-2005 – mean: 20.2 max: 22.5 min: 18.1°C)
Nearest