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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 5 am Sunday 19 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
15.0° C
(Which is 2.7°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 10AM is: 0.6m 8s primary swell from a East-northeast direction (forecast issued at 05:00am April 19). An open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Apr) | 1.5ft (0.5m) | 8s |
| Afternoon (19 Apr) | 2.5ft (0.7m) | 10s |
| Evening (19 Apr) | 2.5ft (0.8m) | 10s |
Table - waves today at Sumner Bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 19 | Monday 20 | Tuesday 21 | Wed 22 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 10 | 10 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 17 | 38 | 37 | 69 | 102 | 111 | 114 | 50 | 80 | 54 | 64 | 193 | 215 | 191 | 165 | 114 | 109 | 98 | 199 | 242 | 289 | 341 | 396 | 451 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | off |
High Tide / height (m) | 5:34AM 2.43 | 6:06PM 2.56 | 6:34AM 2.42 | 7:04PM 2.60 | 7:35AM 2.40 | 8:01PM 2.60 | ||||||||||||||||||
Low Tide / height (m) | 11:48AM 0.36 | 12:20AM 0.38 | 12:43PM 0.36 | 1:20AM 0.39 | 1:40PM 0.36 | |||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wed 22 | |||||||||||||||||||||
| Sunrise | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:49 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:45 | - | - | - |
 | |  |  | | | |  | | | | | | | |  | | |  |  | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | 1 | - | - | 1 | - |
| Temp. °C | 11 | 10 | 12 | 15 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 9 | 9 | 9 |
| Feels °C (?) | 7 | 7 | 10 | 13 | 7 | 7 | 7 | 8 | 7 | 6 | 5 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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