Custom House Cove, Mary Island Sea Conditions and Tide Table

Custom House Cove, Mary 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 — and sunset is at —.

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Sat night. Becoming milder with heavy rain (total 71mm) on Sun afternoon. Icy conditions (max 7°C on Sun afternoon, min -8°C on Fri afternoon). Winds increasing (light winds from the ENE on Thu night, near gales from the SSE by Sun afternoon).

Days 5–7 Weather Summary

Heavy rain (total 145mm), heaviest during Mon morning. Low air temperatures (max 8°C on Mon night, min 4°C on Wed afternoon). Winds decreasing (near gales from the SSE on Sun night, light winds from the E by Tue night).

Days 8–10 Weather Summary

A light covering of new snow, mostly falling on Thu night will be washed away by heavy rain (total 54mm) on Fri night. Temperatures will be slightly above freezing (max 4°C on Wed night, min 1°C on Thu night). Winds increasing (light winds from the ENE on Wed night, fresh winds from the S by Fri night).

Days 11–13 Weather Summary

A moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 1°C on Sat night, min -17°C on Tue night). Mainly fresh winds.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
AM
PM
Wave Height Map
High Tide
4:42AM4.23m
4:30PM3.96m
5:31AM4.35m
5:39PM3.72m
6:26AM4.50m
7:02PM3.60m
7:24AM4.71m
8:25PM3.65m
8:24AM4.97m
9:38PM3.85m
9:21AM5.23m
10:42PM4.08m
10:17AM5.42m
11:38PM4.33m
11:11AM5.59m
00:29AM4.53m
12:03PM5.66m
1:15AM4.65m
12:52PM5.59m
1:59AM4.71m
1:39PM5.39m
2:42AM4.71m
2:24PM5.07m
Low Tide
10:08PM0.31m
10:41AM1.39m
10:55PM0.56m
11:47AM1.22m
11:48PM0.85m
12:57PM0.94m
00:49AM1.12m
2:08PM0.58m
1:55AM1.32m
3:15PM0.14m
3:03AM1.40m
4:15PM-0.25m
4:06AM1.40m
5:10PM-0.61m
5:04AM1.27m
6:00PM-0.85m
5:57AM1.12m
6:47PM-0.95m
6:47AM1.00m
7:31PM-0.89m
7:35AM0.93m
8:14PM-0.70m
8:23AM0.92m
Wave
height (m) 
direction
period (s) 
snow showers
clear
clear
part cloud
light snow
mod snow
heavy snow
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
light rain
light rain
light rain
mod rain
light snow
light rain
mod rain
light snow
mod rain
light snow
mod snow
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
snow shwrs
clear
clear
some clouds
light snow
mod snow
heavy snow
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
light rain
light rain
light rain
mod rain
light snow
light rain
mod rain
light snow
mod rain
light snow
mod snow
some clouds
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
 km/h
20
NE
20
N
20
N
15
NNE
10
ENE
15
ENE
25
ESE
40
SE
45
SSE
50
SSE
50
SSE
40
SSE
20
SSE
30
SSE
30
SSE
15
E
10
SSW
15
SE
10
ESE
15
ENE
20
SE
20
E
30
SSE
25
S
25
SSW
30
SE
20
E
30
SE
15
ENE
20
E
20
NE
30
NNE
25
N
25
N
25
N
30
NNE
 mm 
8
24
39
38
30
11
15
11
13
24
1
2
3
3
7
10
5
6
13
7
max°C
-1
-5
-6
-6
-5
-3
3
5
7
7
7
7
8
7
7
7
6
5
4
3
4
3
2
3
3
2
2
1
1
1
-1
-5
-7
-12
-14
-13
Moonrise
11:06
11:13
11:22
11:33
11:48
12:14
12:58
2:07
3:38
5:16
6:51
8:19
Moonset
10:02
11:27
12:54
2:25
4:02
5:42
7:14
8:25
9:09
9:35
9:51
10:02
Sunrise
8:10
8:10
8:10
8:10
8:10
8:10
8:10
8:08
8:08
8:08
8:07
8:07
Sunset
3:19
3:21
3:22
3:22
3:23
3:25
3:26
3:27
3:29
3:30
3:32
3:33
Today's sea temperature in Custom House Cove, Mary Island is
6.1° C
(Statistics for 25 Dec 1981-2005 – mean: 6.9 max: 8.9 min: 5.6°C)
Issued (local time): 8 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest