Sumner Island Sea Conditions and Tide Table

Sumner Island 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

Mostly dry. Air temperatures will be well below freezing (max -8°C on Sat night, min -14°C on Sun night). Mainly fresh winds.

Days 5–7 Weather Summary

A dusting of snow turning to light rain (total 8mm) on Fri afternoon. Icy conditions (max 2°C on Fri afternoon, min -12°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Mild with heavy rain (total 42mm), heaviest during Fri night. Becoming colder with a moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 4°C on Fri night, min -7°C on Mon afternoon). Winds increasing (light winds from the E on Sat night, near gales from the S by Sun morning).

Days 11–13 Weather Summary

A heavy fall of snow, heaviest during Mon night. Temperatures will be well below freezing (max -7°C on Mon night, min -12°C on Wed morning). Winds decreasing (fresh winds from the N on Mon night, light winds from the N by Tue night).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thu
1
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
1:40AM3.49m
12:33PM4.06m
2:15AM3.49m
1:10PM4.00m
2:51AM3.50m
1:48PM3.89m
3:27AM3.51m
2:30PM3.73m
4:05AM3.54m
3:17PM3.51m
4:45AM3.61m
4:16PM3.28m
5:27AM3.70m
5:29PM3.06m
6:14AM3.83m
6:57PM2.94m
7:06AM3.97m
8:28PM2.98m
8:01AM4.13m
9:47PM3.14m
8:57AM4.30m
10:52PM3.35m
9:53AM4.42m
Low Tide
7:07PM-0.21m
6:53AM1.41m
7:41PM-0.22m
7:31AM1.39m
8:16PM-0.20m
8:11AM1.36m
8:51PM-0.13m
8:56AM1.32m
9:28PM-0.00m
9:48AM1.25m
10:06PM0.19m
10:48AM1.14m
10:48PM0.43m
11:57AM0.96m
11:36PM0.71m
1:10PM0.71m
00:33AM0.98m
2:19PM0.39m
1:38AM1.21m
3:22PM0.05m
2:48AM1.34m
4:19PM-0.26m
3:55AM1.38m
5:12PM-0.51m
Wave
height (m) 
direction
period (s) 
0.1
N
2
0.3
N
2
0.4
NNW
3
0.3
NNE
2
0.3
NNE
2
0.3
NNE
2
0.3
N
2
0.1
N
2
0.1
NE
2
0.2
N
2
0.2
N
2
0.2
NNE
2
0.1
NE
2
0.1
N
2
0
E
1
0
W
2
0
E
2
0.1
E
2
0.5
S
3
0.4
SSW
3
0.4
SW
3
0.2
E
2
1.5
S
5
1.3
S
4
0.2
SSE
3
0.3
WNW
4
0.3
WNW
4
0.2
W
4
0.2
WNW
3
0.3
N
2
0.3
N
2
0.1
W
3
0.1
W
2
0.1
E
2
0.1
NE
2
0.1
NE
2
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
light snow
light snow
light snow
light snow
light snow
mod rain
light rain
light snow
cloud
light snow
heavy snow
part cloud
light snow
snow showers
part cloud
cloud
part cloud
cloud
light snow
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
light snow
light snow
light snow
light snow
light snow
mod rain
light rain
light snow
cloudy
light snow
heavy snow
some clouds
light snow
snow shwrs
some clouds
cloudy
some clouds
cloudy
light snow
 km/h
15
NNE
25
N
35
N
25
NNE
25
NNE
25
NNE
20
N
15
NNE
20
NNE
25
N
25
NNE
25
NNE
20
NNE
15
NNE
10
NNE
5
NNE
10
SE
15
ESE
30
SSW
30
SW
20
SW
15
E
55
S
50
S
15
E
20
N
30
N
10
NNE
20
N
25
N
25
N
10
N
10
NNE
15
NNE
15
NNE
15
NNE
 mm 
8
20
14
7
1
max°C
-8
-10
-11
-12
-13
-12
-12
-11
-11
-11
-11
-10
-9
-8
-7
-5
-1
2
4
1
0
4
3
2
1
-6
-7
-7
-8
-8
-9
-10
-10
-10
-7
-7
Moonrise
10:29
10:47
10:58
11:06
11:12
11:17
11:22
11:29
11:37
11:50
12:13
12:54
Moonset
4:29
5:54
7:21
8:47
10:12
11:38
1:07
2:41
4:21
6:04
7:39
Sunrise
8:26
8:27
8:27
8:29
8:29
8:29
8:29
8:29
8:29
8:29
8:29
8:27
Sunset
3:18
3:18
3:19
3:19
3:21
3:22
3:22
3:23
3:25
3:26
3:26
3:29
Today's sea temperature in Sumner Island is
6.1° C
(Statistics for 20 Dec 1981-2005 – mean: 7.2 max: 8.7 min: 5.7°C)
Issued (local time): 8 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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