Charlestown Sea Conditions and Tide Table

Charlestown 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 07:14 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Fri afternoon. Warm air temperatures (max 23°C on Sun afternoon, min 16°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 8mm), mostly falling on Wed night. Warm air temperatures (max 29°C on Tue afternoon, min 18°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 7mm), mostly falling on Thu afternoon. Warm (max 23°C on Sat afternoon, min 18°C on Sat morning). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 28mm), heaviest during Sun afternoon. Warm (max 26°C on Wed afternoon, min 18°C on Wed morning). Wind will be generally light.

Fri
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
5:37PM0.90m
5:34AM1.31m
6:31PM0.98m
6:24AM1.39m
7:13PM1.08m
7:08AM1.47m
7:51PM1.19m
7:48AM1.53m
8:27PM1.30m
8:28AM1.56m
9:03PM1.41m
9:08AM1.56m
9:39PM1.51m
9:50AM1.51m
10:18PM1.57m
10:34AM1.43m
10:59PM1.61m
11:22AM1.31m
11:43PM1.60m
12:15PM1.18m
00:34AM1.56m
1:17PM1.06m
1:34AM1.50m
2:34PM0.97m
2:46AM1.45m
4:02PM0.95m
4:04AM1.43m
5:22PM1.00m
5:16AM1.45m
Low Tide
11:44AM0.46m
10:52PM0.58m
12:34PM0.38m
11:56PM0.51m
1:13PM0.28m
00:48AM0.43m
1:48PM0.19m
1:33AM0.34m
2:21PM0.11m
2:17AM0.26m
2:54PM0.06m
3:00AM0.19m
3:27PM0.04m
3:45AM0.14m
4:02PM0.06m
4:31AM0.12m
4:38PM0.12m
5:21AM0.13m
5:16PM0.20m
6:16AM0.18m
5:59PM0.30m
7:19AM0.24m
6:50PM0.40m
8:34AM0.29m
7:54PM0.49m
9:58AM0.31m
9:18PM0.54m
11:15AM0.27m
10:45PM0.52m
Wave
height (m) 
direction
period (s) 
3
SE
11
2.5
SSE
10
2.2
SSE
10
1.9
SSE
10
1.4
SSE
9
1.2
SE
9
1.3
SSE
9
1.7
SSE
18
1.4
SSE
16
1.4
SSE
15
1.2
SSE
14
1
S
13
1
S
12
0.8
S
11
1
SSE
5
1.2
S
7
1.1
S
7
1
S
9
1.2
S
9
1.1
SSE
8
0.9
SSE
7
0.9
SE
7
0.9
SE
7
0.8
SE
7
0.8
SE
7
0.8
SE
7
0.9
ESE
12
1
ESE
11
1.4
SE
6
1.7
SSE
7
1.6
SE
7
1.3
SSE
7
1.1
SE
8
1
SE
8
1
SE
7
1.1
ESE
8
1.2
E
8
1.2
E
8
2.4
SSE
8
2.2
SSE
8
2.5
SSE
10
2.5
SSE
9
2.5
SSE
9
2.4
SSE
8
2.1
SE
8
1.8
SE
8
1.6
SE
9
light rain
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
rain showers
rain showers
rain showers
light rain
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
mod rain
rain showers
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
part cloud
rain showers
light rain
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
light rain
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
risk tstorm
risk tstorm
rain shwrs
rain shwrs
rain shwrs
light rain
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
mod rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
some clouds
rain shwrs
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
some clouds
 km/h
25
S
15
SSE
10
ESE
15
E
5
NNE
10
NE
20
E
10
NNE
5
ENE
20
ENE
10
NNE
10
NNW
15
ENE
10
S
20
SSW
15
S
10
SSW
15
S
15
SE
5
SE
10
SSE
10
SE
5
SE
5
SSE
15
ESE
5
ENE
10
SE
10
S
15
SSE
20
SSE
20
SSE
10
SSE
5
SSW
15
E
5
NNE
10
N
20
ENE
20
S
25
S
20
SSW
25
SSW
20
SSW
25
SSE
15
SSE
15
SE
15
SE
5
E
 mm 
1
1
1
4
2
6
1
9
4
4
4
6
1
3
2
4
3
2
3
6
2
1
max°C
20
20
21
22
20
21
23
21
22
25
22
25
29
25
21
22
21
21
21
21
22
22
21
21
23
21
22
21
21
22
22
21
22
23
22
23
26
22
19
18
19
19
20
20
20
22
21
Moonrise
1:30
2:32
3:34
4:38
5:42
6:46
7:52
9:01
10:12
11:25
12:37
1:44
2:43
3:33
4:14
Moonset
3:43
4:25
5:02
5:35
6:06
6:34
7:03
7:33
8:06
8:44
9:29
10:22
11:24
12:31
1:40
Sunrise
6:50
6:52
6:52
6:54
6:54
6:54
6:56
6:56
6:56
6:58
6:58
6:58
7:00
7:01
7:01
Sunset
7:14
7:12
7:10
7:09
7:08
7:07
7:06
7:05
7:02
7:01
7:00
6:59
6:58
6:57
6:54
6:53
Today's sea temperature in Charlestown is
24.5° C
(Statistics for 13 Mar 1981-2005 – mean: 23.6 max: 25.3 min: 22.1°C)
Issued (local time): 4 pm Friday 13 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest