Sumner Bar Surf Break

Lat Long: 43.56° S 172.76° E

Sumner Bar 48 hour detailed Surf Forecast

Issued: 5 pm 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Sumner Bar sea temperature is
10.4°C
1.0° 

Sumner Bar surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Sumner Bar today (12 Sep):

  • Afternoon surf: Afternoon surf (12 Sep, local time) - 2.5ft (0.7m), 16s period with SSE swell.
  • Evening surf: Evening surf (12 Sep, local time) - 2ft (0.6m), 16s period with SSE swell.

The current surf forecast for Sumner Bar at 11PM is: 0.6m 16s primary swell from a South-southeast direction and 0.2m 13s secondary swell from a East-northeast direction, 0.4m 3s secondary swell from a North-northeast direction (forecast issued at 05:00pm September 12). The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (12 Sep)--
Afternoon (12 Sep)2.5ft (0.7m)16s
Evening (12 Sep)2ft (0.6m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 14°C on Mon afternoon, min 6°C on Sat night). Wind will be generally light.

Sat
12
Sunday
13
Monday
14
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
Rating
(10 max)
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSE
16
0.7
SSE
16
0.6
SSE
16
0.4
SSE
16
0.4
SSE
17
0.4
SE
13
0.3
SSE
13
0.2
SSE
16
0.4
SSE
13
0.4
SSE
13
0.4
SSE
13
0.4
SSE
12
0.4
SE
9
0.4
SE
11
0.4
SE
11
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.3
SE
10
Wave Graph
Metric surfscale
Energy kJ
229
234
175
102
116
44
34
26
64
64
66
61
27
33
30
28
25
24
14
Wind (km/h)
15
ENE
15
NE
20
NNE
10
W
10
W
10
WSW
10
WSW
10
S
10
ENE
10
NNE
10
NNE
10
ENE
5
ENE
5
NNE
5
NW
5
NNE
5
ENE
10
ENE
5
E
Wind State
cross-on
on
on
cross-off
cross-off
off
cross-off
cross-off
cross-on
on
on
on
cross-on
glassy
glassy
glassy
on
cross-on
cross-on
High Tide
5:07PM2.36m
5:37AM2.32m
6:00PM2.33m
6:33AM2.32m
6:53PM2.28m
Low Tide
11:26PM0.36m
11:50AM0.36m
00:17AM0.40m
12:41PM0.45m
part cloud
clear
clear
clear
part cloud
clear
clear
clear
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:14
6:15
6:15
 mm
Temp °C
10
9
8
6
6
7
10
12
12
10
9
9
8
8
9
12
14
11
11
Feels °C
6
4
3
3
2
3
6
9
9
8
6
6
6
7
7
10
12
9
9
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Sumner Bar surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest