Castle Island Sea Conditions and Tide Table

Castle Island 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 05:50 AM and sunset is at 08:31 PM.

Days 1–3 Weather Summary

A moderate fall of snow, heaviest on Mon night. Icy conditions (max 7°C on Sun afternoon, min -2°C on Sat morning). Winds increasing (light winds from the ENE on Sun night, near gales from the N by Mon night).

Days 4–6 Weather Summary

A dusting of new snow. Icy conditions (max 3°C on Thu morning, min -1°C on Wed night). Mainly gales.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Fri afternoon, min 0°C on Fri morning). Winds decreasing (strong winds from the NNE on Fri afternoon, calm by Sun afternoon).

Days 10–12 Weather Summary

Mostly dry. Temperatures will be slightly above freezing (max 4°C on Mon afternoon, min 2°C on Mon morning). Wind will be generally light.

Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
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
10:20AM0.85m
10:37PM1.15m
11:07AM0.79m
11:23PM1.12m
12:08PM0.73m
00:19AM1.08m
1:31PM0.70m
1:33AM1.05m
3:12PM0.71m
3:04AM1.03m
4:35PM0.79m
4:21AM1.05m
5:33PM0.90m
5:22AM1.07m
6:19PM1.02m
6:13AM1.09m
6:59PM1.12m
7:00AM1.09m
7:37PM1.21m
7:43AM1.08m
8:15PM1.27m
8:27AM1.04m
8:54PM1.30m
Low Tide
4:04PM0.22m
5:04AM0.35m
4:36PM0.29m
5:53AM0.43m
5:12PM0.37m
7:17AM0.49m
5:55PM0.47m
10:17AM0.44m
7:02PM0.56m
11:05AM0.36m
10:22PM0.57m
11:42AM0.29m
11:34PM0.46m
12:15PM0.23m
00:22AM0.33m
12:46PM0.18m
1:06AM0.20m
1:16PM0.14m
1:47AM0.11m
1:47PM0.11m
2:28AM0.06m
2:20PM0.10m
3:10AM0.05m
Wave
height (m) 
direction
period (s) 
0.3
E
9
0.4
ESE
8
0.5
SW
4
0.6
SSW
4
0.6
SW
4
0.4
SE
4
0.2
ESE
12
0.4
NE
2
1.1
NNE
4
1.5
NNE
5
1.5
NNE
5
1.7
NNE
6
1.5
NE
6
1.6
NE
7
1.8
NE
8
1.9
NE
8
2.2
NE
9
2
ENE
10
1.6
ENE
10
1.6
E
10
1.3
E
10
1.1
E
10
1.1
E
10
0.9
E
10
1
E
10
1.1
E
10
0.9
ENE
9
0.8
ENE
9
0.7
ENE
8
0.7
ENE
8
0.8
ENE
11
0.8
ENE
10
0.8
ENE
10
0.6
ENE
9
0.6
ENE
9
1
E
10
clear
clear
clear
part cloud
clear
snow showers
light snow
light snow
mod snow
light snow
cloud
cloud
light snow
light snow
part cloud
clear
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
some clouds
clear
snow shwrs
light snow
light snow
mod snow
light snow
cloudy
cloudy
light snow
light snow
some clouds
clear
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
 km/h
15
WNW
20
SW
20
WSW
20
SW
25
SW
15
S
20
NE
20
N
45
N
50
N
50
N
50
N
45
N
50
N
50
N
60
N
60
N
55
N
40
N
45
NNE
25
N
25
NNE
15
NE
10
N
5
ENE
5
SSE
10
SSE
10
SSE
10
S
5
SSE
10
E
15
NE
10
NNE
15
NNE
15
NNE
5
NE
 mm 
max°C
-1
3
2
6
7
3
0
1
0
0
1
1
1
0
0
3
3
1
2
4
2
3
4
3
2
3
3
2
4
3
2
3
3
3
4
3
Moonrise
12:18
1:28
2:25
3:06
3:34
3:55
4:10
4:23
4:35
4:47
5:02
5:21
Moonset
7:04
7:50
8:54
10:13
11:40
1:10
2:39
4:08
5:37
7:07
8:40
10:12
Sunrise
5:50
5:48
5:46
5:43
5:41
5:39
5:39
5:37
5:35
5:33
5:31
5:30
Sunset
8:31
8:34
8:35
8:37
8:38
8:39
8:42
8:44
8:45
8:46
8:49
8:50
Today's sea temperature in Castle Island is -0.9 °C (Statistics for 27 Apr 1981-2005 – mean: 0.2 max: 1.3 min: -1.1°C)
Nearest