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Surf Forecasts:

Sumner Bar surf break

Sumner Bar surfForecast / Canterbury / New Zealand

information circle48hr Weather and Surf, issued 12 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 4AM is: 1.1m 6s primary swell from a Northeast direction and 0.3m 11s secondary swell from a Southeast direction (forecast issued at 12:00am March 12). An open ocean swell of 0.1m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (NZDT) & DateWave HeightWave Period
Morning (12 Mar)3.5ft (1.0m)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 
16 DaysHourly
Print Table
Thursday
12
Friday
13
Saturday
14
10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
3
0
0
0
0
0
2
2
2
2
2
2
1
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
ENE
1.1
NE
1.1
NE
1
ENE
1
ENE
1.1
ENE
1.2
ENE
1.3
ENE
2.3
NE
0.7
ESE
0.8
ESE
1.1
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
1.1
SE
1.1
SE
Period(s) (?)55667778814149141414141414141413131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3960728083117157191613185239181217220226217220246217207156151418341
Wind
(km/h)
25
ENE
25
NE
20
ENE
15
ENE
15
ENE
15
ENE
15
E
15
E
5
N
15
NNW
20
N
25
N
20
N
15
NNW
15
SW
10
SW
10
SSW
5
SSW
10
WSW
5
SW
0
W
5
N
15
ENE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononcross-
on		cross-
on		cross-
on		cross-
on		glasscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		offoffoffcross-
off		offoffglassglassonon
High Tide
/ height (m)
11:44PM
2.14
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
Thursday
12
Friday
13
Saturday
14
Sunrise----7:20-------7:20-------7:22---
Sunset-------7:55-------7:54-------7:52
clear
cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
cloud
light rain
light rain
cloud
cloud
cloud
cloud
clear
clear
Rain (mm)
----------------11------
Temp. °C141414141415171717161717202317151313131213141413
Feels °C (?)91010121213151517131413172115141111111113131110
  • 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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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.

View detailed surf forecast for Sumner Bar at:
surf-forecast.com

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