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 06:56 AM and sunset is at 07:40 PM.

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Fri afternoon. Icy conditions (max 4°C on Thu afternoon, min -2°C on Fri morning). Winds increasing (light winds from the WNW on Thu afternoon, strong winds from the E by Fri night).

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Sun afternoon. Icy conditions (max 1°C on Mon morning, min -1°C on Mon night). Winds increasing (light winds from the ESE on Sun morning, strong winds from the N by Tue afternoon).

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 1°C on Wed morning, min -2°C on Wed night). Winds increasing (light winds from the NNE on Wed afternoon, strong winds from the NNE by Fri night).

Days 10–12 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Sun afternoon, min -3°C on Sat night). Winds decreasing (strong winds from the NNE on Sat morning, light winds from the WNW by Sun morning).

Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
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
10:01AM0.99m
10:20PM1.11m
10:32AM0.93m
10:52PM1.09m
11:07AM0.86m
11:31PM1.06m
11:53AM0.78m
00:23AM1.01m
1:01PM0.70m
1:41AM0.97m
3:08PM0.65m
3:43AM0.98m
5:01PM0.70m
5:03AM1.05m
6:03PM0.81m
5:57AM1.13m
6:47PM0.93m
6:42AM1.19m
7:25PM1.05m
7:24AM1.23m
8:02PM1.16m
8:05AM1.23m
8:39PM1.24m
Low Tide
4:01PM0.17m
4:30AM0.26m
4:27PM0.22m
5:02AM0.35m
4:55PM0.29m
5:40AM0.46m
5:25PM0.37m
6:37AM0.57m
6:02PM0.45m
11:04AM0.53m
6:58PM0.53m
11:50AM0.42m
10:34PM0.56m
12:25PM0.31m
11:49PM0.44m
12:55PM0.21m
00:36AM0.31m
1:25PM0.12m
1:19AM0.18m
1:54PM0.06m
2:00AM0.07m
2:24PM0.03m
2:41AM0.00m
Wave
height (m) 
direction
period (s) 
0.4
SW
3
0.3
SW
4
0.1
SW
3
0.1
NE
2
0.2
ENE
2
0.6
E
3
0.8
SE
4
0.6
SSE
5
0.4
SE
4
0.2
SSE
3
0.2
ESE
2
0.3
ESE
2
0.4
ESE
3
0.4
E
3
0.4
NE
2
0.5
NNE
3
0.8
NNE
3
0.6
N
3
0.4
N
3
0.1
NE
2
0.1
N
2
0.1
N
2
0.2
NNE
2
0.4
NE
2
0.5
NE
3
0.5
NE
3
0.7
NNE
3
0.6
NNE
3
0.6
NNE
3
0.4
NNE
3
0.2
N
2
0
W
2
0.1
SW
2
0.1
SW
3
0.1
SW
2
0
W
2
cloud
cloud
cloud
light snow
light snow
mod snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
cloud
part cloud
cloud
light snow
light snow
light snow
cloud
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
light snow
cloud
part cloud
clear
part cloud
part cloud
clear
cloud
part cloud
cloudy
cloudy
cloudy
light snow
light snow
mod snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
cloudy
some clouds
cloudy
light snow
light snow
light snow
cloudy
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
light snow
cloudy
some clouds
clear
some clouds
some clouds
clear
cloudy
some clouds
 km/h
15
WSW
10
W
5
N
20
NE
25
ENE
40
E
30
ESE
20
E
15
SE
15
ESE
20
E
20
E
30
E
30
ENE
30
NNE
40
NNE
50
N
40
N
30
N
15
ENE
15
N
20
NNE
20
NE
35
ENE
35
NE
40
NNE
45
NNE
45
NNE
40
N
35
N
15
NNW
10
W
10
W
15
WNW
20
NNE
15
NNW
 mm 
max°C
2
4
4
-1
0
0
1
1
1
0
0
0
1
1
0
0
0
0
1
0
0
0
1
1
1
1
0
1
1
1
0
2
2
1
-1
-1
Moonrise
11:54
1:12
2:28
3:35
4:28
5:05
5:31
5:49
6:04
6:17
6:29
Moonset
7:47
8:04
8:28
9:03
9:55
11:05
12:29
2:00
3:33
5:05
6:37
8:09
Sunrise
6:56
6:54
6:50
6:48
6:47
6:43
6:41
6:39
6:37
6:35
6:33
6:31
Sunset
7:40
7:42
7:44
7:45
7:47
7:49
7:51
7:52
7:53
7:55
7:58
8:00
Today's sea temperature in Castle Island is -1.7 °C (Statistics for 28 Mar 1981-2005 – mean: -0.5 max: 0.3 min: -1.1°C)
Nearest