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 08:05 PM.

Days 1–4 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Warm air temperatures (max 23°C on Sun afternoon, min 7°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Cool air temperatures (max 18°C on Wed afternoon, min 7°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 5mm), mostly falling on Sun afternoon. Warm (max 29°C on Sun afternoon, min 12°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 32°C on Tue afternoon, min 19°C on Mon night). Wind will be generally light.

Days 14–17 Weather Summary

Light rain (total 6mm), mostly falling on Sun afternoon. Warm (max 28°C on Thu afternoon, min 11°C on Fri night). Wind will be generally light.

Sat
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
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
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High Tide
4:57PM0.70m
5:47AM0.59m
5:50PM0.67m
6:48AM0.66m
6:45PM0.65m
7:43AM0.74m
7:38PM0.62m
8:34AM0.83m
8:29PM0.60m
9:23AM0.91m
9:18PM0.58m
10:11AM0.99m
10:07PM0.56m
10:59AM1.05m
10:57PM0.55m
11:48AM1.08m
11:48PM0.54m
12:38PM1.09m
00:41AM0.54m
1:29PM1.06m
1:38AM0.55m
2:21PM1.01m
2:40AM0.57m
3:16PM0.94m
3:47AM0.60m
4:13PM0.86m
4:58AM0.65m
5:11PM0.78m
Low Tide
11:57PM0.24m
11:56AM0.31m
00:39AM0.22m
1:10PM0.30m
1:19AM0.19m
2:16PM0.28m
1:59AM0.16m
3:17PM0.25m
2:39AM0.12m
4:13PM0.22m
3:20AM0.09m
5:07PM0.19m
5:59PM0.17m
6:51PM0.17m
5:36AM0.05m
7:43PM0.17m
6:28AM0.08m
8:35PM0.17m
7:26AM0.12m
9:27PM0.18m
8:30AM0.17m
10:19PM0.19m
9:43AM0.22m
11:09PM0.20m
11:03AM0.26m
Wave
Height (m)
Direction
Period (s)
cloud
rain showers
clear
part cloud
part cloud
light rain
part cloud
part cloud
clear
clear
clear
cloud
part cloud
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
rain showers
thunderstorm
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
rain showers
cloudy
rain shwrs
clear
some clouds
some clouds
light rain
some clouds
some clouds
clear
clear
clear
cloudy
some clouds
rain shwrs
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
rain shwrs
risk tstorm
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
risk tstorm
rain shwrs
km/h
5
W
5
SW
10
W
15
NNW
10
N
5
ENE
10
NW
15
N
15
NNE
5
NNW
10
SSW
25
SSW
20
SSE
10
SW
25
NW
20
NW
10
NW
10
NW
5
WNW
10
SSW
10
WSW
10
WSW
5
SSW
5
S
25
WNW
10
NW
10
NW
10
W
10
SSW
10
WSW
10
SW
5
NNE
10
W
10
SSW
10
SW
10
W
20
NW
15
NNE
10
E
10
ESE
5
SSE
10
SE
10
S
5
SSE
10
S
5
NNW
10
W
1
2
3
1
3
1
3
3
max °C
20
15
20
23
15
10
14
14
13
17
16
15
18
15
12
14
13
13
19
18
20
26
24
25
29
21
23
27
26
26
32
29
28
32
27
24
29
26
17
21
14
16
21
17
21
24
21
Moonrise
2:28
2:52
3:15
3:39
4:04
4:34
5:10
5:56
6:54
8:03
9:18
10:34
11:47
12:56
2:02
Moonset
1:16
2:22
3:30
4:40
5:55
7:14
8:35
9:53
11:03
11:59
12:44
1:19
1:47
2:11
Sunrise
5:54
5:54
5:52
5:52
5:50
5:50
5:48
5:48
5:47
5:46
5:45
5:45
5:43
5:43
5:43
Sunset
8:05
8:06
8:07
8:07
8:07
8:08
8:09
8:10
8:12
8:13
8:14
8:15
8:15
8:16
8:16
8:17
Today's sea temperature in Charlestown is
17.1° C
(Statistics for 09 May 1981-2005 – mean: 8.6 max: 13.1 min: 5.3°C)
Issued (local time): 1 pm Saturday 09 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest