Saint Mary's Harbour Sea Conditions and Tide Table

Saint Mary's Harbour 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 light covering of new snow, mostly falling on Fri night. Becoming milder with moderate rain (total 13mm) heaviest on Fri night. Icy conditions (max 4°C on Fri night, min -2°C on Fri morning). Mainly near gales.

Days 5–7 Weather Summary

Light rain (total 8mm), mostly falling on Tue afternoon. Icy conditions (max 4°C on Tue afternoon, min -4°C on Sun night). Winds increasing (calm on Sun night, strong winds from the SW by Wed morning).

Days 8–10 Weather Summary

Mild with moderate rain (total 13mm) on Thu afternoon. Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 5°C on Thu morning, min -5°C on Fri morning). Winds decreasing (strong winds from the SW on Wed night, light winds from the WSW by Thu afternoon).

Days 11–13 Weather Summary

Light rain (total 9mm), mostly falling on Mon night. Freeze-thaw conditions (max 4°C on Mon night, min -3°C on Sat night). Winds decreasing (fresh winds from the SSW on Mon night, light winds from the SSW by Tue afternoon).

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
00:29AM1.38m
1:09PM1.55m
1:10AM1.57m
1:54PM1.65m
1:48AM1.73m
2:39PM1.75m
2:29AM1.81m
3:33PM1.82m
3:22AM1.84m
4:43PM1.89m
4:42AM1.87m
5:52PM1.96m
5:57AM1.98m
6:44PM1.95m
6:55AM2.10m
7:29PM1.89m
7:36AM2.16m
8:05PM1.73m
8:10AM2.11m
8:31PM1.50m
8:43AM1.95m
8:48PM1.28m
9:22AM1.72m
Low Tide
5:59PM0.32m
6:17AM0.41m
6:49PM0.35m
7:08AM0.44m
7:37PM0.42m
7:54AM0.53m
8:29PM0.53m
8:46AM0.66m
9:28PM0.63m
9:54AM0.78m
10:32PM0.67m
11:08AM0.80m
11:24PM0.64m
12:08PM0.74m
00:15AM0.54m
1:00PM0.60m
00:55AM0.42m
1:42PM0.46m
1:30AM0.31m
2:19PM0.39m
2:03AM0.25m
2:55PM0.39m
2:39AM0.24m
3:35PM0.46m
Wave
height (m) 
direction
period (s) 
0.6
S
12
0.4
S
12
0.6
S
11
0.6
S
12
0.6
S
12
0.7
S
11
0.9
SSW
7
0.8
SSW
8
0.5
SSW
7
0.2
SSW
7
0.3
N
2
0.4
NNW
3
0.3
SSE
12
0.3
SSE
12
0.5
SSW
3
0.8
SW
9
0.8
SW
13
0.7
SW
14
0.7
SW
13
0.4
SSW
10
0.4
SSW
9
0.4
SSW
8
0.4
SSW
9
0.6
SSW
8
0.5
SSW
8
0.3
SSW
8
0.4
SSW
8
0.5
SSW
8
0.5
SSW
9
0.4
SSW
9
0.4
WSW
3
0.4
SW
3
0.5
SSW
3
0.9
SSW
6
0.4
SSW
7
0.4
SSW
7
part cloud
part cloud
light snow
mod snow
light rain
light rain
light snow
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
mod rain
part cloud
part cloud
part cloud
part cloud
light rain
mod rain
light snow
part cloud
cloud
light snow
light snow
light rain
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
some clouds
some clouds
light snow
mod snow
light rain
light rain
light snow
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
mod rain
some clouds
some clouds
some clouds
some clouds
light rain
mod rain
light snow
some clouds
cloudy
light snow
light snow
light rain
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
light rain
light rain
 km/h
35
W
5
NNE
45
NE
25
ENE
30
ENE
30
S
35
SSW
30
SSW
15
S
5
N
20
N
25
N
10
NNW
25
SE
35
SW
35
SSW
45
SW
45
SW
30
SW
20
S
15
SW
20
N
25
WSW
30
WSW
20
S
10
SSE
15
W
25
W
30
W
30
W
25
W
25
WSW
25
SW
35
SSW
15
SSW
15
SSW
 mm 
11
1
1
8
3
7
3
5
2
1
max°C
0
-1
-1
4
3
3
2
1
1
-1
0
0
1
3
4
3
2
1
2
5
3
2
-2
-1
1
2
3
0
-2
-2
-2
0
2
4
3
3
Moonrise
11:20
11:36
11:54
12:15
12:41
1:17
2:07
3:12
4:31
5:55
7:18
8:37
Moonset
10:14
11:28
12:43
2:02
3:26
4:52
6:15
7:28
8:25
9:06
9:36
9:59
Sunrise
7:48
7:48
7:48
7:48
7:48
7:48
7:48
7:48
7:48
7:48
7:48
7:48
Sunset
4:21
4:21
4:22
4:22
4:23
4:24
4:25
4:27
4:28
4:29
4:30
4:30
Today's sea temperature in Saint Mary's Harbour is
3.4° C
(Statistics for 25 Dec 1981-2005 – mean: 2.7 max: 5.1 min: 1.1°C)
Issued (local time): 7 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest