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Sumner Bar Surf Forecast
/ Canterbury (28 surf breaks) /
Surf Forecasts:
Sumner Bar surfForecast / Canterbury / New Zealand
48hr Weather and Surf, issued 11 pm Tuesday 21 Apr 2026 NZSTForecast 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
14.6° C
(Which is 2.4°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 5AM is: 1.5m 10s primary swell from a East-southeast direction (forecast issued at 11:00pm April 21). An open ocean swell of 0.2m 14s is not directed at the surf break, a second open ocean swell of 1.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | 6ft (1.9m) | 8s |
| Afternoon (22 Apr) | 6ft (1.8m) | 8s |
| Evening (22 Apr) | 3.5ft (1.1m) | 10s |
Table - waves today at Sumner Bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1552 | 424 | 432 | 574 | 460 | 448 | 437 | 260 | 255 | 208 | 167 | 180 | 167 | 128 | 122 | 94 | 92 | 65 | 63 | 61 | 42 | 42 | 25 | 25 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | cross- off | glass | glass | glass | glass | glass | glass | glass | glass | cross- off | glass | cross- on | glass |
High Tide / height (m) | 8:01PM 2.60 | 8:35AM 2.38 | 8:58PM 2.55 | 9:32AM 2.36 | 9:55PM 2.47 | 10:26AM 2.33 | ||||||||||||||||||
Low Tide / height (m) | 2:20AM 0.40 | 2:38PM 0.38 | 3:19AM 0.41 | 3:37PM 0.39 | 4:17AM 0.43 | 4:35PM 0.41 | ||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:44 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:40 | - |
 | |  | |  |  | |  | | | | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 8 | 7 | 7 | 7 | 10 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 12 | 12 | 11 |
| Feels °C (?) | 5 | 4 | 4 | 5 | 5 | 4 | 4 | 5 | 5 | 4 | 3 | 4 | 4 | 7 | 8 | 9 | 8 | 8 | 8 | 7 | 6 | 10 | 9 | 9 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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