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Surf Forecasts:

Sumner Bar surf break

Sumner Bar surfForecast / Canterbury / New Zealand

information circle48hr Weather and Surf, issued 12 am Wednesday 18 Feb 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
18.2° C
 (Which is 3.1°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 8AM is: 0.4m 10s primary swell from a East-southeast direction and 0.5m 9s secondary swell from a East direction (forecast issued at 12:00am February 18). The wind direction is predicted to be glassy.

Time (NZDT) & DateWave HeightWave Period
Morning (18 Feb)1.5ft (0.5m)9s
Afternoon (18 Feb)1.5ft (0.5m)9s
Evening (18 Feb)1.5ft (0.4m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
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)
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
0
0
1
2
0
1
0
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
SE
0.6
E
0.6
SE
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.4
ENE
0.4
ENE
0.4
ENE
0.3
E
0.3
E
0.3
E
0.4
ESE
0.4
ESE
0.4
ENE
1
E
1
E
1
E
1
E
0.9
E
0.8
E
0.9
ESE
Period(s) (?)91099998888812121212111412121111111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8468644442443736232222272625454369301271248240188138146
Wind
(km/h)
10
WSW
5
WSW
0
WSW
5
ENE
10
E
10
ENE
15
E
15
ENE
15
ENE
10
ENE
5
NNW
5
WNW
10
W
5
WNW
5
SSE
15
E
15
E
10
NNE
5
NW
20
NNW
20
WNW
20
S
5
SSE
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		glassglasscross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		glasscross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on		cross-
on		glasscross-
on		cross-
off		cross-
off		cross-
off		off
High Tide
/ height (m)
5:52AM
2.28
6:13PM
2.17
6:34AM
2.30
7:00PM
2.20
7:20AM
2.32
Low Tide
/ height (m)
11:41PM
0.48
12:09PM
0.50
12:24AM
0.42
12:55PM
0.45
1:08AM
0.39
1:40PM
0.43
Wednesday
18
Thursday
19
Friday
20
Sunrise---6:50-------6:52-------6:54----
Sunset-------8:32-------8:30-------8:30
rain showers
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
cloud
light rain
Rain (mm)
1----------------------1
Temp. °C131313131516171616161514182223191715151620171814
Feels °C (?)111213131415161415161613172122171514141316131612
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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