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 06:58 AM and sunset is at 06:07 PM.

Days 1–3 Weather Summary

Moderate rain (total 10mm), heaviest on Wed morning. Icy conditions (max 12°C on Wed morning, min -4°C on Thu night). Winds decreasing (fresh winds from the NNW on Thu afternoon, light winds from the NE by Fri afternoon).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Mon morning. Cool air temperatures (max 15°C on Sun night, min 6°C on Sat morning). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 14mm), heaviest on Thu night. Warm (max 20°C on Tue afternoon, min 6°C on Thu night). Winds increasing (light winds from the WSW on Wed morning, fresh winds from the SSW by Thu morning).

Days 10–12 Weather Summary

Some drizzle, heaviest during Mon morning. Very mild (max 17°C on Sun afternoon, min 5°C on Mon morning). Wind will be generally light.

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
1
Sunday
2
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
12:05PM1.23m
00:51AM1.38m
12:55PM1.18m
1:48AM1.38m
1:53PM1.16m
2:51AM1.40m
2:58PM1.16m
3:54AM1.46m
4:02PM1.21m
4:52AM1.54m
5:01PM1.30m
5:46AM1.63m
5:56PM1.41m
6:35AM1.71m
6:47PM1.54m
7:22AM1.76m
7:36PM1.65m
8:08AM1.77m
8:25PM1.74m
8:53AM1.74m
9:13PM1.80m
9:40AM1.68m
10:03PM1.81m
Low Tide
6:19PM0.19m
7:11AM0.29m
7:11PM0.22m
8:12AM0.32m
8:12PM0.22m
9:16AM0.30m
9:17PM0.18m
10:17AM0.24m
10:19PM0.11m
11:12AM0.16m
11:16PM0.02m
12:02PM0.05m
00:09AM-0.08m
12:49PM-0.05m
00:59AM-0.16m
1:33PM-0.14m
1:48AM-0.21m
2:16PM-0.20m
2:36AM-0.23m
3:00PM-0.23m
3:26AM-0.20m
3:45PM-0.22m
4:16AM-0.13m
Wave
height (m) 
direction
period (s) 
1.1
ENE
4
1
E
6
0.9
E
8
0.8
ESE
8
0.9
ESE
8
0.9
ENE
5
0.7
ESE
8
0.5
E
8
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.4
SE
8
0.5
SE
8
0.6
E
4
0.5
ESE
5
0.6
SE
7
0.6
SE
7
0.7
SE
7
0.7
SE
7
0.8
SE
8
0.7
SE
8
0.6
SE
8
0.6
SE
9
0.5
SE
8
0.8
S
4
1.3
S
5
1
SSE
7
0.8
SSE
7
0.4
SE
7
0.3
SE
8
0.4
SE
9
0.5
SE
5
0.5
SE
8
0.5
SE
8
0.6
SE
8
0.5
SE
8
light rain
light rain
rain showers
cloud
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
rain showers
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
rain shwrs
cloudy
clear
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
clear
light rain
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
light rain
rain shwrs
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
 km/h
30
NE
25
NNE
20
N
10
WNW
35
NNW
25
N
20
NNE
10
NE
10
NE
15
NE
10
E
5
ENE
15
NE
15
E
5
SE
15
NE
5
SE
15
WSW
20
W
20
WSW
15
WSW
15
NW
10
SW
10
SSE
30
SSW
35
SSW
25
NW
25
NW
15
NW
10
S
20
SSW
20
SW
10
WSW
10
SW
20
SSW
10
WNW
 mm 
5
4
1.0
2.0
6
1.0
13
max°C
12
5
2
8
9
1
3
6
6
9
10
12
14
14
15
14
14
14
19
20
16
19
19
18
17
18
16
12
14
13
14
14
15
16
17
17
Moonrise
12:56
1:56
2:55
3:51
4:43
5:28
6:07
6:42
7:14
7:45
8:16
Moonset
10:23
10:59
11:41
12:31
1:29
2:34
3:43
4:54
6:04
7:14
8:24
9:34
Sunrise
6:58
6:56
6:56
6:54
6:54
6:52
6:50
6:50
6:48
6:48
6:47
6:46
Sunset
6:07
6:08
6:09
6:10
6:10
6:12
6:13
6:14
6:15
6:15
6:15
6:16
Today's sea temperature in Fort Sumter, Charleston Harbor is 13.0 °C (Statistics for 19 Feb 1981-2005 – mean: 19.6 max: 21.5 min: 17.4°C)
Issued (local time): 12 pm Wednesday 19 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest