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 06:18 AM and sunset is at 07:15 PM.

Days 1–3 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -4°C on Fri afternoon, min -18°C on Wed morning). Wind will be generally light.

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Sun night. Icy conditions (max 1°C on Mon afternoon, min -15°C on Sat night). Winds increasing (calm on Sun afternoon, strong winds from the SE by Mon morning).

Days 7–9 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max 0°C on Tue morning, min -12°C on Wed night). Winds increasing (light winds from the NNW on Wed morning, fresh winds from the SW by Thu night).

Days 10–12 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 3°C on Fri afternoon, min -5°C on Sun night). Mainly strong winds.

Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thu
16
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
7:26AM1.24m
7:48PM1.33m
8:07AM1.25m
8:24PM1.33m
8:48AM1.22m
8:59PM1.29m
9:28AM1.18m
9:35PM1.23m
10:08AM1.12m
10:11PM1.16m
10:47AM1.04m
10:48PM1.08m
11:26AM0.96m
11:26PM1.01m
12:08PM0.89m
00:07AM0.94m
12:55PM0.82m
00:56AM0.89m
1:53PM0.80m
1:57AM0.86m
3:05PM0.82m
3:11AM0.87m
4:12PM0.91m
4:18AM0.93m
5:03PM1.03m
5:13AM1.00m
5:47PM1.16m
6:02AM1.08m
6:28PM1.28m
Low Tide
1:26PM-0.10m
1:54AM-0.08m
2:02PM-0.05m
2:29AM-0.10m
2:34PM0.03m
3:01AM-0.09m
3:05PM0.11m
3:33AM-0.05m
3:35PM0.20m
4:07AM0.01m
4:09PM0.28m
4:47AM0.08m
4:49PM0.35m
5:36AM0.16m
5:41PM0.42m
6:33AM0.22m
6:45PM0.46m
7:31AM0.25m
7:50PM0.46m
8:27AM0.25m
8:52PM0.43m
9:21AM0.21m
9:52PM0.37m
10:12AM0.15m
10:48PM0.26m
11:01AM0.08m
11:39PM0.14m
11:47AM0.00m
Wave
height (m) 
direction
period (s) 
0.1
W
2
0.1
W
1
0
E
2
0.1
W
1
0.2
WNW
2
0.1
W
2
0.2
W
2
0.3
NW
2
0
W
2
0.1
NW
2
0.4
NNW
3
0.3
NW
2
0.1
W
2
0
W
2
0.2
SSE
2
0.8
SE
4
0.6
SE
4
0.1
S
2
0.4
W
3
0.4
W
3
0.4
W
3
0.2
W
2
0.2
N
2
0.5
N
3
0.3
NNW
3
0.1
NW
2
0.2
SSW
2
0.6
SSW
3
0.6
SW
3
0.4
WSW
3
0.2
S
2
0.3
S
2
0.1
S
2
0.1
N
1
0.8
N
4
0.6
N
3
0
W
2
0.3
S
2
0.5
SSE
3
0.6
SSE
4
0.5
SSE
3
0.1
SE
2
0.7
WNW
3
0.6
WNW
3
0.5
W
3
0.2
WSW
2
0.1
SW
2
part cloud
cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
cloud
light snow
light snow
light snow
part cloud
part cloud
part cloud
light snow
cloud
cloud
light snow
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
light snow
part cloud
clear
cloud
cloud
cloud
light snow
light snow
cloud
cloud
clear
cloud
light snow
some clouds
cloudy
some clouds
clear
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
cloudy
light snow
light snow
light snow
some clouds
some clouds
some clouds
light snow
cloudy
cloudy
light snow
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
light snow
some clouds
clear
cloudy
cloudy
cloudy
light snow
light snow
cloudy
cloudy
clear
cloudy
light snow
 km/h
20
W
10
NW
10
WNW
10
W
25
WNW
15
W
20
W
25
WNW
5
NE
20
NNW
30
NNW
25
NW
15
W
5
SSW
10
SSE
40
SE
20
SE
10
W
30
W
30
W
30
W
20
W
20
NNE
30
NNW
25
NNW
20
W
20
SSW
35
SW
35
SW
30
WSW
15
SSW
20
SSW
10
S
20
N
45
N
35
NW
5
S
25
S
25
SSE
30
SSE
25
SSE
5
WNW
40
W
40
W
35
W
20
WSW
15
S
 mm 
max°C
-12
-9
-12
-12
-9
-11
-5
-4
-6
-10
-9
-11
-10
-6
-6
-3
1
-1
0
0
-5
-3
-3
-7
-8
-4
-3
1
3
3
3
3
1
0
0
-1
-3
-1
-1
0
0
0
-6
-4
-5
-4
-3
Moonrise
7:10
8:27
9:44
11:01
12:16
1:25
2:23
3:07
3:39
4:02
4:19
4:32
4:43
4:54
5:05
Moonset
5:55
6:04
6:15
6:28
6:46
7:11
7:46
8:34
9:36
10:49
12:06
1:27
2:48
4:10
5:35
7:03
Sunrise
6:18
6:16
6:13
6:11
6:09
6:05
6:03
6:01
5:58
5:56
5:54
5:52
5:50
5:48
5:46
5:43
Sunset
7:15
7:17
7:20
7:22
7:23
7:24
7:27
7:29
7:30
7:31
7:34
7:36
7:37
7:38
7:40
7:43
Today's sea temperature in Square Island Harbour is
-1.8° C
(Statistics for 01 Apr 1981-2005 – mean: -0.6 max: 0.1 min: -1.2°C)
Issued (local time): 2 am Wednesday 01 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest