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 04:53 PM.

Days 1–4 Weather Summary

Moderate rain (total 10mm), heaviest on Wed night. Cool air temperatures (max 16°C on Mon afternoon, min 11°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 33mm), heaviest during Sun morning. Cool air temperatures (max 16°C on Thu night, min 12°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 6mm), mostly falling on Sun afternoon. Very mild (max 18°C on Wed morning, min 12°C on Sun night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 9mm), mostly falling on Fri afternoon. Warm (max 21°C on Fri morning, min 13°C on Thu night). Wind will be generally light.

Days 14–17 Weather Summary

Light rain (total 6mm), mostly falling on Mon morning. Very mild (max 18°C on Sun morning, min 9°C on Sun night). Wind will be generally light.

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
2:45PM1.26m
2:33AM1.14m
3:37PM1.31m
3:35AM1.04m
4:26PM1.37m
4:36AM0.98m
5:11PM1.42m
5:34AM0.96m
5:53PM1.46m
6:25AM0.97m
6:33PM1.51m
7:11AM0.99m
7:13PM1.54m
7:53AM1.00m
7:51PM1.57m
8:33AM1.02m
8:29PM1.58m
9:11AM1.03m
9:06PM1.58m
9:50AM1.05m
9:42PM1.56m
10:30AM1.07m
10:18PM1.52m
11:11AM1.09m
10:55PM1.46m
11:55AM1.13m
11:35PM1.38m
12:43PM1.19m
00:22AM1.30m
Low Tide
8:48PM0.54m
8:53AM0.32m
10:01PM0.52m
9:37AM0.37m
11:06PM0.47m
10:21AM0.40m
11:59PM0.41m
11:06AM0.42m
00:45AM0.35m
11:50AM0.42m
1:26AM0.30m
12:33PM0.42m
2:05AM0.25m
1:14PM0.40m
2:43AM0.22m
1:54PM0.39m
3:20AM0.20m
2:33PM0.39m
3:56AM0.19m
3:12PM0.40m
4:31AM0.18m
3:52PM0.42m
5:06AM0.18m
4:36PM0.46m
5:41AM0.19m
5:24PM0.49m
6:18AM0.20m
6:21PM0.52m
6:59AM0.21m
Wave
Height (m)
Direction
Period (s)
1.5
S
8
1.6
S
8
1.6
S
8
1.5
S
8
1.3
SSE
8
1.3
S
8
1.6
S
8
1.5
S
8
1.4
SSE
7
1.3
SSE
8
1.2
SSE
7
1.1
SSE
10
1.2
SSE
9
1.1
SSE
9
1
SSE
9
1.1
SE
9
1.1
SE
8
1.2
SE
8
1.2
SE
8
1.1
SE
8
1
SE
6
0.9
ESE
6
0.9
ESE
7
0.9
ESE
6
0.9
ESE
6
0.9
ESE
7
0.9
ESE
7
0.7
ESE
6
0.6
E
6
0.7
E
6
0.8
E
6
1.3
ENE
7
1.3
ENE
8
1.2
ENE
7
1.2
ENE
8
1.2
E
9
1
E
9
0.8
ENE
8
0.7
ENE
8
0.7
ENE
8
0.9
SSE
14
1.3
S
12
2
S
7
1.9
S
9
1.8
S
9
1.9
S
9
2
S
9
clear
part cloud
part cloud
clear
clear
clear
part cloud
rain showers
light rain
light rain
rain showers
rain showers
part cloud
rain showers
light rain
light rain
mod rain
mod rain
light rain
rain showers
rain showers
rain showers
clear
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
light rain
rain showers
clear
clear
part cloud
part cloud
part cloud
clear
rain showers
clear
clear
clear
part cloud
rain showers
clear
some clouds
some clouds
clear
clear
clear
some clouds
rain shwrs
light rain
light rain
rain shwrs
rain shwrs
some clouds
rain shwrs
light rain
light rain
mod rain
mod rain
light rain
rain shwrs
rain shwrs
rain shwrs
clear
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
light rain
rain shwrs
clear
clear
some clouds
some clouds
some clouds
clear
rain shwrs
clear
clear
clear
some clouds
rain shwrs
km/h
10
S
10
WSW
10
WSW
10
SSE
10
WSW
10
WSW
15
S
5
SSE
5
WSW
5
S
10
E
0
NE
5
ESE
5
WNW
5
SW
5
SE
0
NNE
5
ESE
5
ENE
5
N
5
NNW
15
ENE
10
NNE
10
N
5
NNW
10
NNW
5
NW
10
N
5
NNW
5
NNW
15
ENE
15
NNE
15
N
10
NNE
15
NW
15
WNW
15
NW
10
WNW
10
NW
5
NW
15
WNW
20
WSW
20
SSW
10
WSW
10
WSW
20
S
15
S
 mm
8
2
4
2
2
2
2
5
8
8
1
3
1
1
5
4
3
1
max °C
16
15
16
16
14
15
15
14
14
14
16
16
16
15
14
15
15
14
16
14
16
17
16
17
17
15
18
19
16
19
19
16
21
20
16
18
18
15
18
18
13
14
16
13
15
15
16
Moonrise
12:15
12:43
1:13
1:46
2:25
3:10
4:00
4:56
5:54
6:54
7:53
8:52
9:51
10:51
11:53
Moonset
12:36
1:34
2:33
3:31
4:30
5:27
6:21
7:10
7:54
8:32
9:05
9:34
10:02
10:28
10:55
Sunrise
6:56
6:56
6:56
6:56
6:56
6:56
6:56
6:56
6:56
6:56
6:56
6:56
6:56
6:56
6:56
Sunset
4:53
4:53
4:53
4:54
4:54
4:54
4:55
4:55
4:55
4:57
4:57
4:58
4:58
4:58
4:59
4:59
Today's sea temperature in Charlestown is
19.3° C
(Statistics for 22 Jun 1981-2005 – mean: 19.1 max: 21.6 min: 17.5°C)
Issued (local time): 3 pm Monday 22 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest