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 07:00 AM and sunset is at 06:57 PM.

Days 1–3 Weather Summary

Moderate rain (total 14mm), heaviest on Fri night. Warm air temperatures (max 24°C on Thu afternoon, min 20°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 58mm), heaviest during Sat afternoon. Warm air temperatures (max 25°C on Mon afternoon, min 19°C on Sat morning). Winds decreasing (fresh winds from the NE on Sat afternoon, calm by Mon morning).

Days 7–9 Weather Summary

Light rain (total 5mm), mostly falling on Wed night. Warm (max 23°C on Tue morning, min 17°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 16mm), heaviest on Sun night. Warm (max 26°C on Sun afternoon, min 17°C on Fri night). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
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
6:23AM1.50m
7:16PM1.22m
7:13AM1.58m
7:59PM1.35m
8:01AM1.62m
8:40PM1.49m
8:48AM1.62m
9:21PM1.60m
9:36AM1.56m
10:02PM1.67m
10:25AM1.46m
10:46PM1.70m
11:16AM1.32m
11:32PM1.68m
12:11PM1.18m
00:23AM1.62m
1:14PM1.05m
1:22AM1.53m
2:29PM0.96m
2:30AM1.44m
3:55PM0.94m
3:46AM1.38m
5:12PM0.98m
Low Tide
1:09PM0.13m
00:58AM0.34m
1:49PM0.04m
1:50AM0.22m
2:28PM-0.02m
2:40AM0.12m
3:06PM-0.03m
3:30AM0.05m
3:45PM0.01m
4:21AM0.03m
4:24PM0.08m
5:14AM0.04m
5:05PM0.19m
6:10AM0.10m
5:48PM0.31m
7:13AM0.19m
6:38PM0.42m
8:26AM0.27m
7:40PM0.52m
9:47AM0.31m
9:02PM0.58m
11:01AM0.31m
10:30PM0.58m
Wave
height (m) 
direction
period (s) 
0.9
SSE
14
0.9
SSE
13
0.8
SSE
13
0.9
SSE
12
0.8
SSE
12
0.8
E
7
0.8
E
6
0.9
E
6
1.3
E
6
1.5
E
7
2.1
E
7
1.5
E
8
1.1
E
8
1.2
E
8
1.5
ESE
8
1.9
SSE
9
1.9
SSE
9
1.6
SE
9
1.7
ESE
9
1.5
ESE
9
1.6
ESE
9
1.5
ESE
9
1.3
ESE
9
1.4
ESE
9
1.6
ESE
9
1.6
ESE
9
1.6
SSE
14
1.4
ESE
9
1.2
ESE
9
2
S
8
1.8
SSE
8
1.7
SSE
8
1.3
SE
8
1.1
ESE
8
1.2
ESE
9
1.3
ESE
9
cloud
cloud
rain showers
rain showers
cloud
cloud
cloud
rain showers
heavy rain
heavy rain
heavy rain
rain showers
part cloud
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
rain showers
rain showers
rain showers
part cloud
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
heavy rain
cloudy
cloudy
rain shwrs
rain shwrs
cloudy
cloudy
cloudy
rain shwrs
heavy rain
heavy rain
heavy rain
rain shwrs
some clouds
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
cloudy
clear
clear
clear
rain shwrs
rain shwrs
rain shwrs
some clouds
rain shwrs
some clouds
some clouds
clear
clear
clear
clear
clear
heavy rain
 km/h
10
ENE
15
E
5
E
15
E
15
ESE
10
ESE
15
E
15
E
15
NE
25
ENE
25
NE
10
NW
0
NW
10
ENE
15
S
0
SW
10
ENE
10
WNW
5
S
5
NNE
10
WSW
5
S
10
SE
10
E
15
ENE
15
ENE
10
NNE
15
W
10
SSE
15
SW
5
S
15
E
10
N
5
NNW
15
NE
10
NNW
 mm 
1.0
1.0
1.0
11
20
22
10
2.0
4
1.0
2.0
2.0
2.0
14
max°C
23
23
22
23
24
22
23
23
21
20
21
20
21
24
22
23
25
22
23
23
22
21
22
21
22
23
21
22
25
20
20
22
20
22
26
25
Moonrise
2:54
4:04
5:14
6:24
7:36
8:49
10:05
11:20
12:31
1:36
2:30
2:15
Moonset
5:04
5:38
6:09
6:39
7:11
7:47
8:28
9:15
10:11
11:13
12:18
Sunrise
7:00
7:01
7:01
7:01
7:03
7:03
7:03
7:05
7:05
7:05
7:07
6:07
Sunset
6:57
6:54
6:53
6:52
6:51
6:50
6:49
6:47
6:45
6:45
6:44
5:42
Today's sea temperature in Charlestown is 24.0 °C (Statistics for 26 Mar 1981-2005 – mean: 23.4 max: 25.1 min: 21.8°C)
Issued (local time): 10 am Wednesday 26 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest