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 — and sunset is at —.

Days 1–4 Weather Summary

Heavy rain (total 22mm), heaviest during Mon afternoon. Low air temperatures (max 6°C on Mon afternoon, min 2°C on Wed morning). Winds increasing (light winds from the SE on Sun night, near gales from the SSE by Mon night).

Days 5–7 Weather Summary

A dusting of new snow. Icy conditions (max 2°C on Wed night, min -2°C on Thu night). Winds decreasing (fresh winds from the WSW on Wed night, light winds from the SSE by Fri night).

Days 8–10 Weather Summary

Moderate rain (total 14mm) heaviest on Sun morning, then becoming colder with a dusting of snow on Tue morning. Temperatures will be slightly above freezing (max 3°C on Sat night, min 1°C on Tue morning). Winds decreasing (strong winds from the NE on Sun morning, light winds from the SSW by Mon night).

Days 11–13 Weather Summary

A light covering of new snow, mostly falling on Tue night. Freeze-thaw conditions (max 3°C on Wed night, min -1°C on Fri morning). Winds decreasing (near gales from the WNW on Wed night, light winds from the W by Fri afternoon).

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Fri
28
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
4:47AM1.11m
5:22PM0.99m
5:23AM1.13m
6:03PM1.02m
5:59AM1.13m
6:42PM1.03m
6:36AM1.12m
7:21PM1.03m
7:13AM1.09m
8:00PM1.01m
7:51AM1.07m
8:38PM0.98m
8:28AM1.03m
9:16PM0.96m
9:06AM1.00m
9:54PM0.94m
9:44AM0.97m
10:34PM0.93m
10:24AM0.94m
11:17PM0.95m
11:10AM0.91m
00:06AM0.98m
12:03PM0.87m
Low Tide
10:23PM0.12m
10:59AM-0.05m
11:03PM0.14m
11:36AM-0.11m
11:39PM0.16m
12:08PM-0.15m
00:12AM0.18m
12:40PM-0.16m
00:44AM0.20m
1:11PM-0.14m
1:15AM0.23m
1:45PM-0.11m
1:50AM0.26m
2:22PM-0.05m
2:28AM0.31m
3:04PM0.00m
3:16AM0.36m
3:52PM0.05m
4:16AM0.39m
4:45PM0.08m
5:23AM0.40m
5:39PM0.08m
6:27AM0.36m
Wave
height (m) 
direction
period (s) 
2.2
E
10
2.5
E
10
4
E
10
4
E
11
3.5
ESE
11
3
ESE
10
2.2
E
10
1.8
E
9
1.5
E
9
1.2
ESE
9
1.1
NE
10
0.9
E
9
0.7
ESE
8
0.6
ESE
8
0.4
ESE
8
0.4
SE
7
0.5
SE
7
1
E
4
1.7
ESE
6
3
ESE
9
2.5
E
8
2.3
E
8
1.8
E
9
1.6
E
9
1.4
E
9
1.1
ESE
9
1.1
ESE
9
1
ESE
9
1.7
ENE
6
2
ENE
8
2.1
ENE
10
2.1
NE
12
2.5
NE
14
3
NE
13
2.5
NE
12
2.4
NE
12
cloud
light rain
heavy rain
rain showers
cloud
cloud
cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
light snow
cloud
light rain
light rain
light rain
light rain
light rain
cloud
cloud
light snow
light snow
light snow
light snow
cloud
cloud
part cloud
cloud
part cloud
clear
cloud
cloudy
light rain
heavy rain
rain shwrs
cloudy
cloudy
cloudy
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
light snow
cloudy
light rain
light rain
light rain
light rain
light rain
cloudy
cloudy
light snow
light snow
light snow
light snow
cloudy
cloudy
some clouds
cloudy
some clouds
clear
cloudy
 km/h
15
ESE
50
E
35
SSE
50
SSE
40
S
40
S
30
SSW
35
SW
35
WSW
30
WSW
30
WSW
30
WSW
30
WSW
25
WSW
15
WSW
5
SSE
20
E
30
ENE
35
NE
40
NE
35
NNE
25
NNE
10
NE
10
SE
10
SSW
20
SSE
15
SE
20
NNE
45
WNW
50
WNW
50
WNW
45
WNW
50
WNW
40
NW
20
WNW
10
S
 mm 
5
14
3
3
4
2
4
1
max°C
3
4
6
5
4
4
4
3
2
2
0
1
-1
0
1
1
1
2
3
3
3
3
3
3
3
2
2
1
2
2
3
3
3
2
0
1
Moonrise
4:23
5:37
6:52
8:06
9:16
10:17
11:04
11:38
12:02
12:20
12:33
12:44
Moonset
2:17
2:30
2:46
3:09
3:42
4:28
5:29
6:40
7:58
9:18
10:39
Sunrise
7:09
7:11
7:13
7:13
7:16
7:18
7:18
7:20
7:22
7:24
7:26
7:26
Sunset
3:45
3:45
3:42
3:41
3:41
3:40
3:38
3:37
3:36
3:34
3:34
3:33
Today's sea temperature in Square Island Harbour is
3.8° C
(Statistics for 16 Nov 1981-2005 – mean: 0.7 max: 2.0 min: -0.7°C)
Issued (local time): 7 pm Sunday 16 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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