Great St Lawrence Harbour (2) Sea Conditions and Tide Table

Great St Lawrence Harbour (2) 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 06:00 PM.

Days 1–4 Weather Summary

Moderate rain (total 15mm) heaviest on Sun night, then becoming colder with a dusting of snow on Sun night. Icy conditions (max 5°C on Wed afternoon, min -3°C on Mon morning). Winds increasing (calm on Mon night, fresh winds from the SSW by Wed afternoon).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Fri afternoon. Icy conditions (max 2°C on Wed night, min -4°C on Thu night). Winds increasing (calm on Wed night, gales from the NE by Fri night).

Days 8–10 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Tue afternoon, min -7°C on Sun night). Winds decreasing (strong winds from the NNE on Sat night, light winds from the NNE by Sun night).

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Fri afternoon, min -5°C on Tue night). Mainly fresh winds.

Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Fri
15
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
2:32AM1.83m
2:50PM1.52m
3:43AM1.84m
4:03PM1.52m
5:03AM1.92m
5:25PM1.62m
6:17AM2.06m
6:37PM1.79m
7:15AM2.22m
7:34PM1.98m
8:05AM2.33m
8:23PM2.13m
8:52AM2.38m
9:10PM2.23m
9:39AM2.37m
9:56PM2.27m
10:26AM2.28m
10:42PM2.25m
11:14AM2.14m
11:30PM2.18m
12:02PM1.97m
00:18AM2.08m
12:50PM1.78m
Low Tide
7:39PM0.93m
8:52AM1.15m
8:47PM1.00m
10:36AM1.15m
10:15PM1.01m
12:09PM1.04m
11:43PM0.92m
1:06PM0.87m
00:54AM0.77m
1:53PM0.70m
1:51AM0.61m
2:35PM0.54m
2:41AM0.46m
3:15PM0.43m
3:28AM0.36m
3:53PM0.38m
4:11AM0.32m
4:31PM0.39m
4:53AM0.35m
5:07PM0.45m
5:34AM0.46m
5:44PM0.56m
6:16AM0.63m
Wave
height (m) 
direction
period (s) 
1.4
SW
6
1.4
SSW
7
1.3
SSW
7
1.3
SSW
10
1.2
SSW
9
1.1
SSW
9
1
SSW
8
0.9
SSW
5
1.4
SSW
5
1.4
SW
7
1
SW
6
1.1
SSE
5
1.9
E
6
2.5
E
7
3
ESE
8
3
E
8
3
ENE
7
2.5
NE
7
1.8
ENE
6
1.3
SE
8
0.8
SSE
9
0.6
SE
9
0.5
SE
10
0.6
SE
10
1.3
E
5
1.7
ENE
6
1.6
ENE
6
1.2
S
10
1.1
SSW
11
0.9
SSW
10
0.9
SSW
10
0.8
SSW
9
0.8
SW
6
0.6
SW
6
1.3
SW
6
1.4
SW
8
light snow
part cloud
clear
clear
clear
clear
part cloud
cloud
light rain
cloud
light snow
light snow
heavy snow
heavy snow
heavy snow
mod snow
cloud
cloud
clear
clear
part cloud
part cloud
cloud
clear
cloud
cloud
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
snow showers
part cloud
cloud
light snow
some clouds
clear
clear
clear
clear
some clouds
cloudy
light rain
cloudy
light snow
light snow
heavy snow
heavy snow
heavy snow
mod snow
cloudy
cloudy
clear
clear
some clouds
some clouds
cloudy
clear
cloudy
cloudy
cloudy
clear
clear
some clouds
some clouds
some clouds
some clouds
snow shwrs
some clouds
cloudy
 km/h
5
W
30
N
10
NNW
5
WNW
25
WSW
25
WSW
20
SW
15
SSW
25
WSW
10
WNW
25
ENE
35
ENE
45
ENE
55
ENE
50
NE
60
NE
55
NE
45
NE
35
NNE
30
NNE
15
NNE
10
NNE
15
ENE
20
E
35
ENE
35
NE
30
NNE
20
NNW
20
W
20
WNW
20
WNW
20
WNW
20
W
10
SW
30
WNW
15
NW
 mm 
10
5
max°C
4
-1
-2
-2
-2
-2
2
4
5
2
1
-1
-3
-3
-3
-1
0
0
-2
-3
-1
-3
-3
-3
-2
-1
0
-2
0
0
-1
0
0
0
1
2
Moonrise
1:53
3:03
4:06
4:58
5:37
6:08
6:32
7:52
8:11
8:30
8:51
9:16
9:47
Moonset
9:55
10:40
11:41
12:55
2:20
3:48
5:16
7:43
9:08
10:33
11:57
1:19
Sunrise
6:43
6:41
6:39
6:37
6:35
6:33
7:31
6:30
6:28
6:26
6:24
6:22
Sunset
6:00
6:01
6:04
6:05
6:07
6:07
6:09
7:10
6:12
6:14
6:15
6:16
6:17
Today's sea temperature in Great St Lawrence Harbour (2) is 0.4 °C (Statistics for 03 Mar 1981-2005 – mean: 0.3 max: 1.4 min: -0.9°C)
Nearest