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 04:59 PM.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Thu afternoon. Becoming milder with light rain (total 8mm) on Thu night. Icy conditions (max 4°C on Thu night, min -9°C on Sat morning). Winds increasing (moderate winds from the WSW on Fri morning, strong winds from the WSW by Sat morning).

Days 5–7 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -4°C on Wed morning, min -12°C on Mon night). Winds increasing (light winds from the NNE on Mon night, near gales from the WNW by Tue night).

Days 8–10 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -3°C on Fri morning, min -6°C on Fri night). Winds decreasing (strong winds from the W on Thu morning, light winds from the W by Fri night).

Days 11–13 Weather Summary

A moderate fall of snow, heaviest on Mon morning. Freeze-thaw conditions (max 2°C on Mon morning, min -2°C on Sat afternoon). Winds increasing (light winds from the N on Sat night, near gales from the ESE by Sun night).

Thu
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
11:21PM1.95m
11:48AM1.99m
00:09AM1.96m
12:34PM1.90m
00:59AM1.95m
1:23PM1.80m
1:52AM1.92m
2:16PM1.70m
2:52AM1.90m
3:19PM1.62m
4:00AM1.90m
4:33PM1.59m
5:19AM1.97m
5:55PM1.64m
6:33AM2.10m
7:05PM1.74m
7:34AM2.23m
8:02PM1.85m
8:27AM2.32m
8:52PM1.94m
9:15AM2.35m
9:39PM2.00m
10:02AM2.31m
10:23PM2.02m
10:46AM2.21m
11:07PM2.00m
11:29AM2.08m
Low Tide
5:15PM0.61m
5:26AM0.60m
5:51PM0.59m
6:08AM0.64m
6:31PM0.60m
6:55AM0.73m
7:17PM0.65m
7:51AM0.84m
8:13PM0.73m
9:03AM0.93m
9:21PM0.79m
10:37AM0.97m
10:38PM0.81m
12:14PM0.91m
11:54PM0.77m
1:25PM0.81m
1:01AM0.70m
2:20PM0.72m
1:59AM0.62m
3:05PM0.66m
2:51AM0.55m
3:43PM0.62m
3:38AM0.51m
4:17PM0.62m
4:20AM0.50m
4:49PM0.64m
5:00AM0.54m
5:20PM0.68m
Wave
height (m) 
direction
period (s) 
2.1
SSW
6
2.5
SSW
9
2.2
SSW
9
2.5
SW
9
3
SW
9
3.5
WSW
8
3
SW
10
3
WSW
11
2.5
WSW
10
2.4
WSW
10
2.1
WSW
9
1.3
WSW
8
0.8
WSW
8
0.8
NE
4
1.1
SSW
15
2.2
SSW
12
3.5
SW
11
2.5
SW
9
2.2
SSW
11
2
SW
8
2.5
SW
9
2.5
SW
9
2
SW
10
1.4
SW
10
1.1
SW
9
1
SW
9
1.8
W
6
1.7
SW
8
1.1
SW
8
1.2
E
4
2.1
ESE
6
4
ESE
8
4
SSE
10
3
SSE
10
3.5
SSW
13
3.5
SSW
13
3
SSW
13
2.5
SW
11
1.9
SW
10
1.8
SW
10
1.3
SW
10
0.8
SSW
10
0.7
SSW
9
0.6
SSW
9
0.6
SSW
8
0.5
SSW
8
0.6
SSW
8
light snow
rain showers
clear
clear
snow showers
light snow
light snow
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
light snow
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
snow showers
part cloud
cloud
cloud
light snow
snow showers
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
light snow
rain shwrs
clear
clear
snow shwrs
light snow
light snow
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
light snow
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
snow shwrs
some clouds
cloudy
cloudy
light snow
snow shwrs
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
 km/h
40
S
35
W
30
SW
40
WSW
45
W
50
WSW
40
W
45
WNW
45
WNW
45
WNW
40
WNW
25
NW
15
N
25
NNE
25
N
40
NW
55
WNW
40
W
30
W
35
W
40
W
40
W
30
W
20
W
10
WNW
25
WNW
40
WNW
30
NW
15
NE
35
E
45
E
60
E
25
WSW
25
S
30
SSW
20
SSW
10
S
10
WNW
25
NW
25
NW
25
NW
15
NW
10
WNW
5
NNE
10
NNE
10
NW
15
WNW
 mm 
8
max°C
1
4
1
1
-3
-6
-8
-7
-8
-7
-8
-8
-8
-10
-10
-8
-6
-4
-4
-4
-4
-4
-4
-3
-3
-4
-3
-1
-1
-2
-1
1
2
1
2
1
1
-2
-1
0
-1
-2
-2
-6
-4
-3
-6
Moonrise
9:50
10:07
10:26
10:50
11:20
12:02
12:59
2:11
3:32
4:56
6:17
7:34
8:48
9:58
11:08
Moonset
9:26
10:41
11:58
1:17
2:40
4:02
5:17
6:20
7:07
7:41
8:06
8:27
8:44
9:00
9:15
Sunrise
7:46
7:45
7:43
7:43
7:41
7:39
7:39
7:37
7:37
7:35
7:33
7:33
7:31
7:30
7:28
Sunset
4:59
5:00
5:01
5:02
5:05
5:06
5:07
5:08
5:10
5:12
5:14
5:15
5:16
5:19
5:20
5:22
Today's sea temperature in Great St Lawrence Harbour (2) is
2.3° C
(Statistics for 22 Jan 1981-2005 – mean: 0.9 max: 2.0 min: -0.0°C)
Issued (local time): 1 pm Thursday 22 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest