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 05:16 AM and sunset is at 09:02 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Mon afternoon. Cool air temperatures (max 12°C on Tue afternoon, min 5°C on Mon afternoon). Winds decreasing (fresh winds from the N on Mon night, calm by Tue night).

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Thu night. Low air temperatures (max 8°C on Thu morning, min 4°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 9mm), mostly falling on Mon afternoon. Very mild (max 13°C on Tue afternoon, min 6°C on Sun morning). Mainly fresh winds.

Days 10–12 Weather Summary

Moderate rain (total 14mm), heaviest on Fri afternoon. Very mild (max 11°C on Wed afternoon, min 7°C on Wed night). Wind will be generally light.

Days 13–16 Weather Summary

Light rain (total 6mm), mostly falling on Mon morning. Very mild (max 12°C on Sat morning, min 6°C on Sun night). Wind will be generally light.

Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
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
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High Tide
3:18PM1.68m
3:47AM1.67m
4:15PM1.73m
4:46AM1.64m
5:17PM1.81m
5:49AM1.64m
6:22PM1.91m
6:54AM1.69m
7:25PM2.04m
7:55AM1.75m
8:23PM2.16m
8:52AM1.81m
9:18PM2.26m
9:46AM1.84m
10:12PM2.31m
10:41AM1.85m
11:06PM2.30m
11:36AM1.83m
00:00AM2.25m
12:32PM1.80m
00:55AM2.16m
1:25PM1.77m
1:48AM2.03m
2:17PM1.73m
2:39AM1.87m
3:07PM1.69m
3:30AM1.71m
4:00PM1.65m
Low Tide
9:01AM0.87m
9:22PM0.91m
10:01AM0.85m
10:40PM0.90m
11:07AM0.79m
11:58PM0.83m
12:09PM0.69m
1:05AM0.73m
1:07PM0.59m
2:05AM0.62m
2:01PM0.50m
3:00AM0.54m
2:54PM0.44m
3:54AM0.48m
3:46PM0.40m
4:44AM0.45m
4:36PM0.40m
5:32AM0.46m
5:25PM0.43m
6:17AM0.51m
6:13PM0.49m
7:01AM0.60m
7:01PM0.58m
7:44AM0.70m
7:52PM0.68m
8:30AM0.81m
8:52PM0.79m
9:21AM0.89m
Wave
Height (m)
Direction
Period (s)
1.6
S
7
1.5
S
7
1.3
SSW
7
1.1
SSW
8
1.1
SSW
8
1.1
S
8
0.9
S
8
1
S
7
1
S
7
1
S
7
0.9
SSE
8
1.1
SSE
8
1.3
SSE
8
1.2
SSE
7
1
SSE
7
1.2
SSW
9
1.1
SSW
9
1
SSW
8
0.9
S
8
0.9
S
8
0.9
S
7
1.2
S
5
1.3
S
6
1.3
SSW
6
1.1
SW
6
1
SW
6
1.1
SW
7
0.9
SW
7
0.7
SSW
7
0.5
SSW
7
0.5
SSW
6
0.6
SSW
6
0.7
SSW
6
0.8
SSW
6
0.8
SSW
6
1
SSW
6
1.3
SSW
6
0.9
SSW
7
0.7
SW
7
0.6
SW
7
0.6
SW
7
0.9
SW
7
1.2
ESE
5
1.3
SE
7
1.2
SE
7
1.2
SSW
9
1
S
8
cloud
light rain
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
light rain
rain showers
clear
clear
part cloud
clear
part cloud
cloud
cloud
part cloud
light rain
light rain
clear
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
cloud
part cloud
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
part cloud
cloudy
light rain
some clouds
some clouds
cloudy
some clouds
clear
some clouds
some clouds
some clouds
some clouds
light rain
rain shwrs
clear
clear
some clouds
clear
some clouds
cloudy
cloudy
some clouds
light rain
light rain
clear
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
light rain
cloudy
some clouds
light rain
light rain
light rain
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
light rain
light rain
some clouds
some clouds
some clouds
km/h
15
SW
25
N
20
N
20
W
20
WSW
10
WSW
10
E
5
ESE
15
ENE
20
E
15
SE
20
SE
20
ESE
20
ESE
10
SE
15
SE
15
S
15
S
20
SSE
15
SSE
15
SSE
25
SSE
15
SSW
30
WNW
25
WNW
25
WNW
25
N
10
NNE
15
SW
10
SW
10
SE
5
E
10
WSW
10
SW
15
SE
15
NNE
25
NNE
10
NNE
5
ENE
15
ESE
15
SE
20
E
25
NE
20
NNE
10
WNW
20
W
20
WSW
1
3
1
4
5
4
1
3
5
1
2
3
1
max °C
8
5
5
11
12
11
11
12
9
8
8
5
5
7
5
7
8
5
7
7
9
10
10
9
11
13
8
10
11
7
9
10
9
9
11
10
12
12
12
10
9
7
7
9
9
11
12
Moonrise
1:29
1:45
2:02
2:22
2:47
3:20
4:05
5:07
6:23
7:48
9:13
10:33
11:49
1:02
2:12
3:21
Moonset
1:16
2:30
3:47
5:08
6:34
8:00
9:19
10:22
11:09
11:43
12:08
12:28
12:45
1:01
1:17
Sunrise
5:16
5:16
5:16
5:16
5:16
5:16
5:16
5:16
5:16
5:16
5:16
5:16
5:16
5:16
5:16
5:16
Sunset
9:02
9:04
9:04
9:05
9:06
9:06
9:07
9:07
9:07
9:07
9:07
9:08
9:08
9:08
9:08
9:09
Today's sea temperature in Great St Lawrence Harbour (2) is
4.8° C
(Statistics for 08 Jun 1981-2005 – mean: 6.5 max: 8.3 min: 5.0°C)
Issued (local time): 2 am Monday 08 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest