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 05:56 AM and sunset is at 08:27 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Wed night. Icy conditions (max 2°C on Wed morning, min -4°C on Fri night). Mainly near gales.

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 7°C on Sun afternoon, min -3°C on Sat morning). Mainly fresh winds.

Days 7–9 Weather Summary

A light covering of new snow, mostly falling on Tue night. Becoming milder with moderate rain (total 11mm) heaviest on Wed morning. Freeze-thaw conditions (max 5°C on Wed afternoon, min -2°C on Tue morning). Winds increasing (calm on Wed night, fresh winds from the NNE by Thu night).

Days 10–12 Weather Summary

A heavy fall of snow, heaviest during Sat morning. Freeze-thaw conditions (max 2°C on Fri afternoon, min -2°C on Sat night). Winds decreasing (near gales from the NNW on Sat night, light winds from the NE by Sun night).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
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
8:38AM0.97m
9:00PM1.15m
9:09AM0.94m
9:28PM1.16m
9:42AM0.90m
10:00PM1.16m
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
Low Tide
2:36PM0.13m
3:15AM0.16m
3:04PM0.14m
3:48AM0.20m
3:33PM0.17m
4:24AM0.26m
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
Wave
height (m) 
direction
period (s) 
0.4
ENE
7
0.7
SE
4
0.6
SE
6
0.6
SE
8
1
SE
6
1.5
SSW
5
0.6
SE
8
1
SW
4
0.4
SE
6
0.3
ESE
9
0.5
SW
4
0.5
SW
4
0.6
SSW
4
0.7
SW
4
0.5
SW
3
0.2
SSW
3
0.2
ESE
6
0.6
NNE
4
0.3
SE
10
0.4
SE
8
0.5
SE
8
0.4
SE
9
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.5
SE
8
0.4
ESE
8
0.7
NE
3
0.7
NNE
3
0.7
ENE
6
1.1
NNE
4
1.1
NNE
5
1.3
ENE
7
1.3
ENE
11
1.3
ENE
11
1.3
ENE
11
part cloud
light snow
mod snow
light snow
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
cloud
mod snow
light snow
light rain
light rain
cloud
cloud
cloud
cloud
cloud
light snow
light snow
cloud
light snow
cloud
light snow
mod snow
some clouds
light snow
mod snow
light snow
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
mod snow
light snow
light rain
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
light snow
cloudy
light snow
cloudy
light snow
mod snow
 km/h
10
SW
20
SSE
10
ENE
10
N
55
SW
55
SW
25
WSW
40
SW
20
W
20
W
25
WSW
20
WSW
25
SW
30
SW
20
SW
10
WSW
20
NE
30
NNE
20
ENE
15
ESE
15
SE
10
SSW
10
SSW
10
SW
5
SE
15
SE
15
NNE
40
NNE
30
N
35
N
50
N
50
N
50
N
35
NNW
20
NNW
20
NNW
 mm 
4
3
4
max°C
2
2
0
1
1
0
-1
1
0
0
4
3
6
7
5
5
4
-1
-2
-1
0
3
5
5
4
4
2
1
2
2
0
0
-1
-1
0
1
Moonrise
9:41
11:00
12:18
1:28
2:25
3:06
3:34
3:55
4:10
4:23
4:35
Moonset
5:55
6:11
6:32
7:04
7:50
8:54
10:13
11:40
1:10
2:39
4:08
5:37
Sunrise
5:56
5:54
5:52
5:50
5:48
5:46
5:43
5:41
5:39
5:39
5:37
5:35
Sunset
8:27
8:29
8:30
8:31
8:34
8:35
8:37
8:38
8:39
8:42
8:44
8:45
Today's sea temperature in Castle Island is -0.9 °C (Statistics for 24 Apr 1981-2005 – mean: 0.0 max: 1.0 min: -1.1°C)
Nearest