Sumner Bar surf break

Sumner Bar surfForecast / Canterbury / New Zealand

information circle48hr Weather and Surf, issued 11 am Tuesday 19 May 2026 NZST
Forecast update in hr  min  s Forecast update imminent
Sumner Bar surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sumner Bar sea temperature is
12.9° C
(Which is 1.9°C warmer than normal for this time of year)

How big are the waves at Sumner Bar today?

The current surf forecast for Sumner Bar at 5PM is: 0.2m 11s primary swell from a East direction and 0.3m 4s secondary swell from a East-northeast direction (forecast issued at 11:00am May 19). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (19 May)0.5ft (0.2m)9s
Afternoon (19 May)0.5ft (0.2m)11s
Evening (19 May)0.5ft (0.2m)10s

Table - waves today at Sumner Bar. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Thu night. Very mild (max 19°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light.

Tue
19
Wednesday
20
Thursday
21
Fri
22
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.2
E
9
0.2
E
9
0.2
E
11
0.2
E
11
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.4
NE
5
0.4
NE
6
0.7
NE
6
0.5
N
3
1.1
N
4
1
N
4
0.7
N
4
0.9
NNE
4
0.9
NNE
4
0.9
NNE
4
0.5
NE
5
0.4
NE
5
0.4
SE
5
0.3
SE
5
0.2
ENE
6
Wave Graph
Metric surfscale
Energy kJ
6
7
9
9
8
8
8
8
7
7
8
31
5
40
33
13
20
32
27
12
7
6
3
3
Wind (km/h)
5
W
5
NNE
5
ENE
5
E
5
NE
5
ENE
0
WNW
5
W
5
NW
5
NNE
5
E
10
ENE
5
NNW
30
NNW
25
N
25
N
20
N
25
NNW
20
NNW
10
SSE
0
SE
10
E
10
ENE
10
NE
glassy
glassy
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
glassy
cross-on
cross-on
on
High Tide
6:18AM2.45m
6:45PM2.68m
7:18AM2.45m
7:42PM2.64m
8:16AM2.43m
8:39PM2.55m
Low Tide
12:26PM0.29m
1:06AM0.31m
1:23PM0.28m
2:03AM0.32m
2:20PM0.29m
2:59AM0.34m
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:39
7:39
7:41
7:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:09
5:08
5:07
5:07
3
1
Temp °C
9
10
10
9
9
9
8
8
8
10
11
10
10
11
14
14
14
18
19
11
10
9
9
9
8
9
8
8
8
8
7
6
6
7
8
7
7
4
8
8
9
13
15
8
9
7
7
6
Swell 1
Height (m)
Direction
Period (s)
0.3
ENE
4
0.3
ENE
4
0.3
ENE
4
0.3
ENE
4
0.3
ENE
4
0.3
ENE
4
0.3
ENE
4
0.3
ENE
5
0.3
ENE
5
0.4
NE
5
0.4
NE
6
0.4
NE
5
0.2
ENE
5
0.1
E
8
0.1
E
10
0.2
ENE
6
0.1
E
9
0.1
E
12
0.1
E
12
0.5
NE
5
0.4
NE
5
0.4
SE
5
0.3
SE
5
0.2
ESE
4
Energy kJ
3
3
3
3
3
3
4
4
4
7
8
7
2
1
2
3
1
3
3
12
7
6
3
2
Swell 2
Height (m)
Direction
Period (s)
0.2
E
9
0.2
E
9
0.2
E
11
0.2
E
11
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
9
0.2
E
9
0.1
E
9
0.2
ENE
7
0.1
E
13
0.1
E
13
0.1
E
9
0.1
E
13
0.3
NNE
4
0.2
ENE
8
0.3
NE
6
0.2
ENE
6
0.2
ENE
6
Energy kJ
6
7
9
9
8
8
8
8
7
7
7
2
5
3
3
1
3
3
6
5
3
3
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
E
11
0.1
SE
8
0.1
SE
8
0.1
SE
10
0.1
SE
10
0.1
S
9
0.1
S
9
0.1
E
15
0.1
E
15
0.1
E
14
0.1
E
14
0.1
E
9
0.1
S
13
0.1
E
13
0.1
E
13
0.1
E
10
0.1
S
18
0.1
S
18
0.3
NW
3
0.2
N
3
0.1
NE
8
0.1
NE
8
0.1
NE
8
Energy kJ
3
2
3
3
4
4
2
2
4
4
4
4
2
3
3
3
2
6
6
1
1
2
2
2
Wind waves
Height (m)
Direction
Period (s)
0.7
NE
6
0.5
N
3
1.1
N
4
1
N
4
0.7
N
4
0.9
NNE
4
0.9
NNE
4
0.9
NNE
4
0.4
SE
4
0.9
S
5
Energy kJ
31
4
40
33
13
20
32
27
5
42
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
2
1
1
1
4
1
1
Distance (km)
35
149
38
38
132
34
38
149
38
161
38
42
38
161
178
243
233
258
149
233
34
178
25
33
Best forecast wave conditions in Canterbury
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
Best forecast wave conditions in New Zealand
Rating
(10 max)
3
3
2
2
2
2
2
2
2
2
2
2
1
1
2
2
3
2
1
2
4
4
4
4
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
4
5
5
5
5
4
5
4
5
5
4
4
5
4
4
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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