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 07:20 AM and sunset is at 05:22 PM.

Days 1–3 Weather Summary

Heavy rain (total 22mm), heaviest during Sun afternoon. Warm air temperatures (max 21°C on Sat afternoon, min 12°C on Sun night). Winds decreasing (fresh winds from the S on Sun morning, light winds from the SSW by Mon afternoon).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 20°C on Tue afternoon, min 6°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 16°C on Sun night, min 2°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the SW by Sun night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 15°C on Mon morning, min -1°C on Tue night). Wind will be generally light.

Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
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
5:59PM1.29m
6:39AM1.66m
6:44PM1.31m
7:23AM1.71m
7:27PM1.34m
8:05AM1.74m
8:07PM1.38m
8:44AM1.76m
8:51PM1.41m
9:26AM1.75m
9:37PM1.45m
10:10AM1.71m
10:27PM1.48m
10:57AM1.65m
11:21PM1.51m
11:48AM1.57m
00:19AM1.54m
12:43PM1.48m
1:22AM1.58m
1:45PM1.40m
2:27AM1.62m
2:49PM1.35m
3:32AM1.66m
Low Tide
12:15PM0.16m
00:13AM0.05m
1:01PM0.11m
00:56AM0.00m
1:45PM0.07m
1:39AM-0.04m
2:28PM0.04m
2:19AM-0.09m
3:06PM0.00m
3:03AM-0.09m
3:49PM-0.02m
3:50AM-0.07m
4:33PM-0.03m
4:40AM-0.03m
5:20PM-0.04m
5:35AM0.03m
6:10PM-0.04m
6:36AM0.09m
7:05PM-0.03m
7:42AM0.14m
8:04PM-0.03m
8:52AM0.16m
9:05PM-0.05m
Wave
height (m) 
direction
period (s) 
1
SE
6
1
SE
6
1.3
SE
6
1.6
SE
7
1.7
SSE
8
1.3
SSE
8
0.8
SSE
8
0.6
SE
7
0.6
SE
7
0.7
SE
6
1
S
5
0.7
SSE
6
0.7
S
6
0.5
S
6
0.5
W
3
0.4
NW
3
0.2
ESE
9
0.2
ESE
9
0.1
SE
9
0.3
SSW
3
0.5
WSW
3
0.6
NNW
3
0.5
NNW
3
0.4
ESE
16
0.4
ESE
15
0.4
ESE
15
1
S
5
1.5
S
7
1.2
S
7
0.8
S
6
0.4
SE
13
0.2
ESE
13
0.6
W
3
0.6
NNW
3
0.5
NNW
3
0.3
ESE
14
rain showers
rain showers
part cloud
part cloud
heavy rain
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
part cloud
cloud
clear
clear
clear
clear
clear
rain shwrs
rain shwrs
some clouds
some clouds
heavy rain
risk tstorm
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
some clouds
cloudy
clear
clear
clear
clear
clear
 km/h
10
SSE
10
SSE
20
SSE
30
SSE
30
SSW
10
W
10
WNW
10
SW
10
S
20
SW
20
SW
15
W
20
WNW
15
WNW
15
WNW
10
NNW
10
WNW
5
NW
5
WNW
15
WSW
15
W
20
NNW
20
NW
10
NE
10
ENE
10
SE
25
SSW
25
WSW
25
W
20
NNW
10
N
10
WSW
20
WNW
20
NNW
20
NW
5
ENE
 mm 
8
1.0
12
1.0
max°C
20
21
21
20
18
18
17
18
17
19
20
19
13
15
12
11
12
10
11
12
10
8
8
4
8
13
16
15
15
6
5
7
6
2
3
-1
Moonrise
5:23
6:24
7:22
8:15
9:01
9:40
10:14
10:45
11:14
11:43
12:14
12:48
Moonset
3:13
4:04
5:02
6:06
7:14
8:22
9:29
10:36
11:41
12:48
1:56
Sunrise
7:20
7:20
7:20
7:20
7:20
7:22
7:22
7:22
7:22
7:22
7:22
7:22
Sunset
5:22
5:22
5:22
5:22
5:23
5:24
5:25
5:25
5:27
5:28
5:29
5:30
Today's sea temperature in Fort Johnson, Charleston Harbor is 11.8 °C (Statistics for 28 Dec 1981-2005 – mean: 20.7 max: 22.9 min: 18.2°C)
Issued (local time): 12 pm Saturday 28 Dec 2024
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest