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 05:13 AM and sunset is at 09:06 PM.

Days 1–3 Weather Summary

A dusting of snow on Sun night. Freezing level rising with drizzle on Mon night. Icy conditions (max 9°C on Mon morning, min 0°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the SW by Mon night).

Days 4–6 Weather Summary

A dusting of new snow. Icy conditions (max 8°C on Tue afternoon, min 0°C on Thu afternoon). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 9°C on Sun afternoon, min 2°C on Fri morning). Winds increasing (calm on Sat afternoon, strong winds from the NNW by Sun morning).

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Thu morning. Very mild (max 11°C on Wed afternoon, min 4°C on Mon night). Winds increasing (calm on Mon afternoon, fresh winds from the WSW by Wed afternoon).

Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
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
6:06PM0.91m
5:49AM0.89m
6:38PM0.99m
7:08PM1.05m
7:05AM0.89m
7:37PM1.10m
7:40AM0.88m
8:08PM1.14m
8:15AM0.87m
8:39PM1.18m
8:53AM0.85m
9:13PM1.21m
9:34AM0.83m
9:50PM1.23m
10:21AM0.80m
10:32PM1.22m
11:17AM0.78m
11:20PM1.20m
12:21PM0.77m
00:14AM1.16m
1:33PM0.78m
1:17AM1.11m
Low Tide
11:40AM0.35m
00:11AM0.45m
12:04PM0.30m
00:47AM0.36m
12:31PM0.26m
1:22AM0.29m
1:00PM0.22m
1:56AM0.24m
1:32PM0.19m
2:31AM0.21m
2:04PM0.17m
3:08AM0.20m
2:39PM0.16m
3:47AM0.21m
3:14PM0.18m
4:28AM0.25m
3:50PM0.22m
5:14AM0.29m
4:29PM0.28m
6:07AM0.33m
5:11PM0.37m
7:21AM0.37m
6:01PM0.46m
Wave
height (m) 
direction
period (s) 
0.6
SE
8
0.6
SE
8
0.5
SE
8
0.4
ESE
8
0.5
ESE
8
0.6
E
8
0.5
E
8
0.6
E
6
0.8
SW
4
0.9
SW
4
1
SW
4
0.4
ENE
8
0.4
ENE
8
0.5
NE
12
0.7
ENE
9
0.6
ENE
8
0.6
ENE
9
0.9
NE
7
1.2
SE
6
0.9
ESE
7
1
ENE
9
0.9
NE
9
0.7
ENE
9
0.5
ENE
9
0.8
NNW
4
0.7
NNE
6
0.7
NNE
6
0.6
NE
10
0.6
NE
9
0.8
NE
9
0.8
NE
9
0.8
NE
9
0.6
NE
8
0.8
ENE
6
1
SW
4
0.8
SW
4
part cloud
part cloud
part cloud
cloud
cloud
light snow
cloud
cloud
light rain
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
light snow
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
some clouds
some clouds
some clouds
cloudy
cloudy
light snow
cloudy
cloudy
light rain
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
light snow
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
 km/h
20
NNE
25
NE
10
ENE
10
SSE
20
SSE
15
S
15
SSW
25
SSW
35
SW
35
SW
35
SW
5
NNW
10
NE
15
E
10
NNE
10
ESE
15
SE
25
SE
20
SE
25
SW
25
SW
25
WSW
5
E
30
NW
40
NNW
25
NNW
25
NW
20
N
10
ESE
10
S
15
S
20
S
20
SSW
35
SW
35
SW
25
WSW
 mm 
1.0
max°C
4
3
1
1
2
3
9
9
7
7
8
5
4
3
2
1
0
1
3
5
4
6
4
5
7
9
8
7
7
5
6
6
7
7
11
11
Moonrise
3:45
4:56
6:08
7:24
8:44
10:03
11:18
12:20
1:06
1:38
2:01
Moonset
3:33
3:42
3:51
4:03
4:17
4:36
5:04
5:46
6:46
8:02
9:28
10:56
Sunrise
5:13
5:13
5:11
5:09
5:09
5:07
5:05
5:05
5:03
5:03
5:01
5:01
Sunset
9:06
9:07
9:07
9:09
9:10
9:13
9:14
9:15
9:16
9:17
9:19
9:20
Today's sea temperature in Castle Island is 1.4 °C (Statistics for 18 May 1981-2005 – mean: 1.2 max: 1.7 min: -0.0°C)
Nearest