Square Island Harbour Sea Conditions and Tide Table

Square Island 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 07:09 AM and sunset is at 06:37 PM.

Days 1–3 Weather Summary

Drizzle on Tue morning followed by colder weather and a moderate fall of snow, heaviest on Thu afternoon. Icy conditions (max 2°C on Tue morning, min -18°C on Tue night). Winds decreasing (strong winds from the NNW on Tue morning, calm by Wed night).

Days 4–6 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -5°C on Fri afternoon, min -18°C on Sat morning). Winds decreasing (strong winds from the NW on Fri night, calm by Sat night).

Days 7–9 Weather Summary

A moderate fall of snow, heaviest on Mon night. Becoming mild with drizzle, on Mon night. Freeze-thaw conditions (max 7°C on Tue afternoon, min -18°C on Wed night). Winds increasing (light winds from the SSE on Mon night, fresh winds from the SSW by Tue afternoon).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Sun morning. Temperatures will be below freezing (max -2°C on Sat afternoon, min -18°C on Thu morning). Winds decreasing (fresh winds from the W on Thu morning, light winds from the SW by Fri afternoon).

Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
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
12:40PM0.85m
00:43AM0.92m
1:34PM0.77m
1:38AM0.86m
2:45PM0.73m
2:51AM0.85m
4:03PM0.77m
4:08AM0.89m
5:05PM0.86m
5:07AM0.97m
5:51PM0.98m
5:54AM1.06m
6:31PM1.10m
6:36AM1.14m
7:08PM1.22m
7:16AM1.19m
7:45PM1.31m
7:58AM1.22m
8:23PM1.37m
8:40AM1.22m
9:02PM1.39m
9:25AM1.20m
9:44PM1.37m
10:11AM1.15m
10:28PM1.32m
11:00AM1.08m
11:15PM1.24m
11:53AM0.99m
Low Tide
6:23AM0.17m
6:25PM0.40m
7:18AM0.22m
7:23PM0.45m
8:16AM0.26m
8:26PM0.46m
9:15AM0.25m
9:28PM0.44m
10:11AM0.21m
10:28PM0.38m
11:01AM0.14m
11:22PM0.29m
11:46AM0.05m
00:09AM0.19m
12:27PM-0.04m
00:53AM0.09m
1:06PM-0.10m
1:35AM-0.00m
1:44PM-0.13m
2:18AM-0.06m
2:24PM-0.11m
3:02AM-0.09m
3:06PM-0.05m
3:51AM-0.08m
3:55PM0.04m
4:48AM-0.04m
4:53PM0.15m
5:54AM0.01m
6:05PM0.26m
Wave
height (m) 
direction
period (s) 
1.1
SE
6
1
SE
8
0.8
SE
9
0.6
SE
9
0.6
SE
9
0.4
SE
8
0.3
SE
11
0.4
ESE
14
0.9
ESE
5
1.1
SE
7
1.1
SE
7
1.3
NNE
5
0.6
ESE
11
0.4
ESE
11
0.5
E
10
0.4
ESE
9
0.3
SE
9
0.3
SE
8
0.4
SE
8
0.6
SE
8
1.1
SE
7
1.4
SE
8
1.4
SE
9
1.5
SE
10
1.1
SE
10
0.9
ESE
10
0.6
NE
13
0.6
ENE
7
0.5
NE
14
0.6
ENE
12
0.4
ENE
11
0.4
NE
11
0.3
E
16
0.6
ENE
15
1.1
SE
6
0.9
ESE
7
0.8
ESE
7
1
NE
5
0.8
E
7
0.7
E
8
0.5
E
9
0.5
E
9
0.7
ENE
10
0.8
NE
11
2.5
NE
16
2.2
NE
15
2
NE
15
light snow
clear
clear
clear
part cloud
cloud
light snow
light snow
mod snow
light snow
light snow
light snow
clear
clear
part cloud
cloud
cloud
part cloud
light snow
light snow
mod snow
cloud
cloud
clear
part cloud
cloud
clear
clear
part cloud
part cloud
clear
part cloud
light snow
light snow
cloud
light snow
light snow
light snow
part cloud
part cloud
cloud
clear
part cloud
light snow
snow showers
clear
cloud
light snow
clear
clear
clear
some clouds
cloudy
light snow
light snow
mod snow
light snow
light snow
light snow
clear
clear
some clouds
cloudy
cloudy
some clouds
light snow
light snow
mod snow
cloudy
cloudy
clear
some clouds
cloudy
clear
clear
some clouds
some clouds
clear
some clouds
light snow
light snow
cloudy
light snow
light snow
light snow
some clouds
some clouds
cloudy
clear
some clouds
light snow
snow shwrs
clear
cloudy
 km/h
35
SW
35
WNW
25
WNW
30
W
30
W
20
W
10
ENE
25
E
20
NE
20
NW
25
NNW
40
NW
10
W
10
W
5
W
5
NW
5
SW
10
SW
10
SSW
25
ESE
10
SSE
15
S
35
SSW
25
WSW
25
WSW
20
W
30
W
35
W
25
W
25
WNW
10
WSW
5
SW
10
SE
20
S
30
S
10
SSE
30
NNW
30
NNW
25
NW
20
WNW
20
W
15
WSW
15
NNW
20
WNW
50
NW
35
NW
25
NNW
 mm 
1
1
max°C
2
-3
-10
-15
-13
-14
-12
-7
-4
-6
-5
-10
-15
-10
-10
-10
-6
-6
-5
-3
3
6
7
2
-10
-8
-11
-14
-9
-5
-12
-10
-5
-3
-2
-3
-9
-8
-11
-18
-16
-20
-16
-1
-4
-4
-2
Moonrise
2:33
3:38
4:32
5:11
5:39
5:59
6:14
6:26
6:37
6:47
6:59
7:13
7:31
7:58
8:39
9:38
Moonset
9:10
9:50
10:45
11:52
1:09
2:30
3:53
5:16
6:40
8:06
9:35
11:07
12:41
2:08
3:20
Sunrise
7:09
7:07
7:05
7:03
7:01
6:58
6:56
6:54
6:50
6:48
6:47
6:43
6:41
6:39
6:37
6:35
Sunset
6:37
6:38
6:40
6:43
6:44
6:45
6:47
6:50
6:52
6:52
6:54
6:57
6:59
7:00
7:01
7:04
Today's sea temperature in Square Island Harbour is
-1.8° C
(Statistics for 10 Mar 1981-2005 – mean: -1.1 max: -0.4 min: -1.8°C)
Issued (local time): 2 am Tuesday 10 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
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