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 07:18 AM and sunset is at 05:31 PM.

Days 1–3 Weather Summary

Mostly dry. Air temperatures will be below freezing (max 0°C on Fri morning, min -3°C on Sat night). Winds decreasing (strong winds from the W on Fri morning, calm by Sun morning).

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Wed morning. Icy conditions (max 1°C on Tue night, min -3°C on Wed night). Winds increasing (calm on Mon night, strong winds from the WNW by Wed night).

Days 7–9 Weather Summary

A moderate fall of snow, heaviest on Fri morning. Temperatures will be below freezing (max -2°C on Thu morning, min -9°C on Fri afternoon). Winds increasing (light winds from the WSW on Thu night, near gales from the WNW by Fri afternoon).

Days 10–12 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -2°C on Sun afternoon, min -7°C on Sun morning). Winds increasing (light winds from the WNW on Sun morning, strong winds from the WNW by Mon afternoon).

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
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
AM
PM
Wave Height Map
High Tide
6:12AM1.80m
6:11PM1.50m
7:00AM1.93m
7:00PM1.62m
7:37AM2.05m
7:39PM1.76m
8:12AM2.14m
8:15PM1.89m
8:47AM2.19m
8:53PM2.00m
9:23AM2.20m
9:33PM2.08m
10:02AM2.17m
10:15PM2.13m
10:42AM2.11m
10:59PM2.14m
11:25AM2.02m
11:46PM2.11m
12:11PM1.91m
00:36AM2.05m
1:00PM1.79m
1:30AM1.98m
1:55PM1.67m
2:31AM1.91m
3:00PM1.57m
3:44AM1.88m
4:22PM1.53m
5:10AM1.93m
5:51PM1.61m
Low Tide
1:00PM1.12m
00:24AM1.06m
1:41PM1.03m
1:14AM0.94m
2:15PM0.93m
1:58AM0.82m
2:46PM0.83m
2:38AM0.70m
3:15PM0.72m
3:16AM0.60m
3:45PM0.62m
3:54AM0.52m
4:17PM0.54m
4:32AM0.49m
4:50PM0.49m
5:10AM0.50m
5:26PM0.48m
5:50AM0.57m
6:05PM0.53m
6:35AM0.69m
6:49PM0.62m
7:27AM0.84m
7:41PM0.76m
8:36AM1.00m
8:49PM0.89m
10:32AM1.07m
10:18PM0.95m
12:32PM0.99m
Wave
height (m) 
direction
period (s) 
3.5
SW
10
3
SW
10
2.2
SSW
10
1.6
S
10
1.5
S
10
1.2
S
9
1
SSE
9
0.9
SSE
9
1
SSE
8
1.2
SSE
8
1.3
S
8
1
SSE
8
0.7
SE
8
0.7
SSE
8
0.7
SE
8
2
SSE
6
2.3
SSE
8
2.2
SSW
7
1.8
SW
8
1.2
SW
9
0.9
SSW
9
1.8
SE
7
2.5
SSW
8
2.5
SW
9
1.9
S
9
1.5
S
9
1.1
S
8
0.9
SSE
8
1.6
SSW
7
1.7
S
10
1.9
W
6
2.1
W
6
1.6
W
6
0.7
S
10
0.6
E
14
0.7
ESE
15
1.7
WSW
8
2.5
W
7
3
WSW
9
2.1
SW
10
1.9
SW
10
1.4
SW
10
1
SW
10
0.9
SW
9
0.9
SW
8
0.8
ESE
15
0.7
ESE
14
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
light snow
light snow
part cloud
part cloud
cloud
snow showers
mod snow
snow showers
snow showers
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
light snow
light snow
cloud
light snow
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
clear
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
cloudy
light snow
light snow
some clouds
some clouds
cloudy
snow shwrs
mod snow
snow shwrs
snow shwrs
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
light snow
light snow
cloudy
light snow
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
clear
 km/h
50
W
45
W
30
W
20
W
15
W
10
WSW
10
SE
15
E
20
ENE
20
NE
10
N
5
NW
10
SW
10
SSW
20
S
40
SSE
30
W
40
WNW
35
W
20
W
15
E
45
NW
45
WNW
40
W
30
WSW
20
WSW
15
WNW
20
NW
35
WNW
35
NW
45
WNW
45
WNW
35
WNW
15
WNW
15
NNE
20
N
35
WNW
45
W
40
W
40
NNW
40
NW
25
NNW
15
WNW
15
W
15
WSW
10
NW
15
NW
 mm 
max°C
0
0
-1
0
0
-2
-1
-1
-2
-1
-1
-2
-1
-1
1
0
1
0
-2
-2
-2
-3
-8
-6
-4
-4
-6
-3
-2
-3
-3
-3
-5
-4
-4
-4
-5
-5
-2
2
2
2
1
1
0
0
0
Moonrise
5:26
6:06
6:37
7:01
7:22
7:40
7:57
8:13
8:32
8:54
9:22
10:00
10:50
11:55
1:11
2:32
Moonset
1:08
2:15
3:28
4:42
5:58
7:13
8:29
9:46
11:06
12:28
1:50
3:07
4:12
5:03
5:40
Sunrise
7:18
7:16
7:15
7:13
7:11
7:09
7:09
7:07
7:05
7:03
7:01
7:00
6:58
6:56
6:54
6:52
Sunset
5:31
5:34
5:36
5:37
5:38
5:39
5:42
5:43
5:45
5:45
5:47
5:49
5:51
5:52
5:53
5:54
Today's sea temperature in Great St Lawrence Harbour (2) is
1.1° C
(Statistics for 13 Feb 1981-2005 – mean: 0.4 max: 1.5 min: -0.8°C)
Issued (local time): 1 am Friday 13 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest