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 06:24 AM and sunset is at 07:45 PM.

Days 1–3 Weather Summary

Moderate rain (total 16mm), heaviest on Sun night. Icy conditions (max 8°C on Sat afternoon, min 0°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 22mm), heaviest during Mon morning. Later becoming colder with a dusting of snow on Mon night. Low air temperatures (max 9°C on Mon afternoon, min 1°C on Tue night). Winds increasing (light winds from the E on Mon morning, strong winds from the W by Tue afternoon).

Days 7–9 Weather Summary

Light rain (total 5mm), mostly falling on Thu morning. Mild temperatures (max 9°C on Sat afternoon, min 2°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 12mm), heaviest on Tue morning. Very mild (max 11°C on Sun afternoon, min 3°C on Tue night). Winds increasing (light winds from the SSE on Mon afternoon, fresh winds from the SSW by Tue night).

Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
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
8:27AM6.17ft
8:26PM6.17ft
8:45AM6ft
8:40PM6.14ft
8:58AM5.71ft
8:58PM5.81ft
9:13AM5.25ft
9:25PM5.32ft
9:36AM4.69ft
10:02PM4.76ft
10:07AM4.07ft
11:00PM4.33ft
10:57AM3.54ft
00:31AM4.33ft
12:43PM3.38ft
1:40AM4.76ft
2:00PM3.71ft
2:30AM5.28ft
2:48PM4.27ft
3:15AM5.74ft
3:33PM4.89ft
4:05AM6ft
4:24PM5.48ft
5:09AM6.2ft
Low Tide
1:59PM2.56ft
2:25AM1.97ft
2:17PM2.03ft
2:45AM1.57ft
2:40PM1.57ft
3:07AM1.35ft
3:06PM1.28ft
3:33AM1.28ft
3:35PM1.18ft
4:07AM1.38ft
4:09PM1.25ft
4:57AM1.61ft
4:54PM1.44ft
6:18AM1.8ft
6:02PM1.64ft
7:42AM1.84ft
7:20PM1.84ft
8:41AM1.87ft
8:24PM2.07ft
9:30AM2ft
9:27PM2.4ft
10:21AM2.13ft
10:38PM2.62ft
Wave
height (ft) 
direction
period (s) 
1
SSW
8
1
SSW
3
0.5
SSW
7
0.5
S
7
0.5
S
7
0.5
S
7
0.5
SSW
8
0.5
SSW
8
1.5
SSW
7
0.5
S
7
1
S
7
1.5
SSW
8
2
SSW
10
2
SSW
10
1.5
SSW
10
1
SSW
9
1.5
SSW
9
1.5
SSW
9
1
SSW
9
1
SSW
9
1
SSW
9
1
SSW
9
1.5
SSW
8
0.5
SSW
8
0.5
S
8
1
SSW
8
1
S
7
1
S
6
1.5
S
7
1.5
SSW
8
1.5
SW
10
1.5
SW
10
1.5
SW
10
1
SSW
9
1.5
SSW
9
2.5
SSW
8
part cloud
cloud
clear
clear
clear
part cloud
part cloud
cloud
heavy rain
mod rain
mod rain
light snow
light rain
cloud
part cloud
light rain
rain showers
rain showers
light rain
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
light rain
cloud
light rain
cloud
cloud
cloud
light rain
light rain
light rain
light rain
some clouds
cloudy
clear
clear
clear
some clouds
some clouds
cloudy
heavy rain
mod rain
mod rain
light snow
light rain
cloudy
some clouds
light rain
rain shwrs
rain shwrs
light rain
rain shwrs
some clouds
some clouds
some clouds
clear
some clouds
some clouds
light rain
cloudy
light rain
cloudy
cloudy
cloudy
light rain
light rain
light rain
light rain
 mph
10
WSW
10
SW
5
WSW
5
NW
10
WNW
0
SSW
5
S
10
SE
15
E
5
E
15
ESE
10
S
20
WSW
25
W
20
W
10
SSE
10
SSW
15
SSW
5
S
10
SW
10
SW
10
W
10
SW
5
SSW
5
S
10
SSE
10
SE
10
SE
10
SSE
5
S
10
S
5
S
5
SSE
10
SSE
10
SSE
20
SSW
 in 
0.6
0.3
0.3
0.08
0.08
0.04
0.04
0.08
0.1
0.04
0.04
0.08
0.08
0.08
0.1
0.08
max°F
37
37
34
45
46
39
43
43
39
46
48
45
39
39
36
41
41
41
41
39
37
43
43
39
46
48
46
50
52
52
50
52
50
48
46
39
Moonrise
6:39
7:45
8:51
10:00
11:08
12:15
1:16
2:09
2:51
3:25
3:51
Moonset
5:48
6:02
6:17
6:35
6:56
7:24
7:59
8:46
9:45
10:53
12:08
1:27
Sunrise
6:24
6:22
6:20
6:18
6:16
6:15
6:13
6:11
6:09
6:07
6:05
6:03
Sunset
7:45
7:47
7:49
7:50
7:52
7:52
7:53
7:55
7:57
7:59
8:00
8:00
Today's sea temperature in Saint Mary's Harbour is 35 °F (Statistics for 11 Apr 1981-2005 – mean: 34 max: 37 min: 32°F)
Issued (local time): 2 am Friday 11 Apr 2025
Forecast update inUpdates in 4 hr 21 min 41 sUpdate imminent
Nearest