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 06:50 AM and sunset is at 05:45 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 2°C on Fri afternoon, min -8°C on Wed morning). Winds increasing (light winds from the NW on Wed afternoon, fresh winds from the NW by Fri morning).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 9°C on Mon afternoon, min -3°C on Sat morning). Wind will be generally light.

Days 7–9 Weather Summary

Mild at first with light rain (total 2mm) on Tue night followed by colder weather and light fall of snow, heaviest on Thu afternoon. Very mild (max 12°C on Tue afternoon, min 1°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 7°C on Sat night, min -6°C on Fri night). Winds decreasing (fresh winds from the NNW on Fri morning, calm by Fri night).

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
3:29PM0.47m
3:03AM0.30m
4:28PM0.47m
3:52AM0.28m
5:30PM0.48m
4:50AM0.26m
6:32PM0.51m
5:55AM0.26m
7:28PM0.54m
8:19PM0.57m
8:00AM0.32m
9:05PM0.59m
8:54AM0.38m
9:48PM0.61m
9:44AM0.45m
10:29PM0.60m
10:33AM0.51m
11:10PM0.58m
11:22AM0.57m
11:51PM0.55m
12:13PM0.62m
00:33AM0.50m
Low Tide
8:48AM-0.07m
10:08PM0.09m
9:33AM-0.06m
11:17PM0.11m
10:25AM-0.06m
00:27AM0.12m
11:24AM-0.07m
1:30AM0.10m
12:26PM-0.08m
2:21AM0.08m
1:25PM-0.10m
3:04AM0.05m
2:21PM-0.12m
3:42AM0.02m
3:14PM-0.15m
4:18AM-0.02m
4:06PM-0.16m
4:52AM-0.05m
4:57PM-0.16m
5:28AM-0.08m
5:49PM-0.15m
6:05AM-0.11m
6:44PM-0.11m
6:44AM-0.12m
Wave
height (m) 
direction
period (s) 
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
cloud
light snow
mod snow
light snow
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
cloudy
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
cloudy
some clouds
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
cloudy
light snow
mod snow
light snow
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
clear
 km/h
15
NW
10
NW
10
N
20
NNW
25
NW
30
NW
30
NW
25
NW
15
NW
10
NW
15
WSW
10
SW
10
WNW
10
WSW
5
S
5
SSE
10
SSW
10
SW
20
WSW
15
SSW
20
WNW
25
WNW
20
WNW
10
WSW
10
WSW
5
SSE
10
NNW
35
NNW
30
NW
5
WSW
15
S
30
S
20
SSW
20
WNW
20
WNW
15
W
 mm 
1.0
1.0
max°C
-5
-3
-4
-3
-2
-5
0
2
-3
2
4
1
6
7
3
8
9
7
11
12
10
8
8
4
8
5
1
-2
-1
-5
3
6
7
5
5
1
Moonrise
1:00
2:03
3:04
4:01
4:50
5:32
6:07
6:36
7:03
7:28
7:53
Moonset
9:49
10:21
11:00
11:49
12:47
1:55
3:08
4:24
5:40
6:55
8:11
9:27
Sunrise
6:50
6:48
6:48
6:46
6:45
6:43
6:41
6:41
6:39
6:37
6:35
6:35
Sunset
5:45
5:45
5:46
5:47
5:49
5:50
5:51
5:52
5:52
5:54
5:55
5:57
Today's sea temperature in Charlestown is 2.7 °C (Statistics for 19 Feb 1981-2005 – mean: -0.5 max: 2.2 min: -1.9°C)
Issued (local time): 6 am Wednesday 19 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest