Sumner Bar surf break

Sumner Bar surfForecast / Canterbury / New Zealand

information circle48hr Weather and Surf, issued 6 am Thursday 12 Mar 2026 NZDT
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
17.8° C
(Which is 3.4°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 12PM is: 1.1m 7s primary swell from a East-northeast direction and 0.4m 12s secondary swell from a Southeast direction, 0.1m 16s secondary swell from a East direction (forecast issued at 06:00am March 12). The wind direction is predicted to be onshore.

Time (NZDT) & DateWave HeightWave Period
Morning (12 Mar)3.5ft (1.1m)6s
Afternoon (12 Mar)4ft (1.2m)7s
Evening (12 Mar)4ft (1.2m)8s

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


Updates in  hr  min  s Forecast update imminent
Thursday
12
Friday
13
Saturday
14
Sun
15
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
Rating
(10 max)
0
0
0
0
0
0
2
0
0
0
0
0
1
2
2
2
2
2
1
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
ENE
1
ENE
1.1
ENE
1.2
ENE
1.3
ENE
1.3
ENE
2.2
NE
0.7
ESE
0.8
ESE
1.2
ENE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.6
ESE
1
SE
0.9
SE
Period(s) (?)6677888141491414141414141414131313131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5577110144199215573181239222217220226217246253253236158151149106287240
Wind
(km/h)
25
ENE
15
NE
20
ENE
20
ENE
15
E
15
ENE
5
NE
20
NNW
20
N
20
NNE
15
N
20
NNW
25
WSW
15
SSW
10
SSW
10
SSW
10
SW
5
SW
5
SW
0
E
15
ENE
15
ENE
15
NE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononcross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
offoffoffoffoffoffglasscross-
on
ononon
High Tide
/ height (m)
12:12PM
2.03
12:33AM
2.12
12:58PM
2.02
1:24AM
2.11
1:48PM
2.02
Low Tide
/ height (m)
6:04AM
0.82
6:16PM
0.81
6:54AM
0.81
7:03PM
0.77
7:44AM
0.76
7:51PM
0.72
Thursday
12
Friday
13
Saturday
14
Sun
15
Sunrise--7:20-------7:20-------7:22-----
Sunset-----7:55-------7:54-------7:52--
clear
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C141414151717161617172122181514141313131414131313
Feels °C (?)101111121515151214141919151212121112121311101011
  • 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

Latest Updates

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.


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