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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 Friday 17 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
15.2° C
(Which is 2.8°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: 0.9m 5s primary swell from a North-northeast direction and 0.2m 12s secondary swell from a East direction, 0.1m 8s secondary swell from a Southeast direction (forecast issued at 11:00pm April 17). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 3ft (0.9m) | 9s |
| Afternoon (18 Apr) | 1.5ft (0.4m) | 9s |
| Evening (18 Apr) | 1.5ft (0.4m) | 7s |
Table - waves today at Sumner Bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| 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) (?) | 4 | 5 | 5 | 5 | 9 | 9 | 9 | 9 | 7 | 7 | 6 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 42 | 37 | 37 | 32 | 132 | 27 | 20 | 41 | 20 | 18 | 16 | 39 | 54 | 64 | 111 | 146 | 140 | 109 | 69 | 56 | 56 | 55 | 61 | 120 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:38AM 2.41 | 5:07PM 2.49 | 5:34AM 2.43 | 6:06PM 2.56 | 6:34AM 2.42 | |||||||||||||||||||
Low Tide / height (m) | 10:30PM 0.41 | 10:53AM 0.38 | 11:24PM 0.38 | 11:48AM 0.36 | 12:20AM 0.38 | 12:43PM 0.36 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:49 | - | - | - | - | - | - | - | 5:47 | - |
 | |  | |  | | | | | | | | |  | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 16 | 16 | 16 | 18 | 18 | 16 | 15 | 13 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 10 | 11 | 11 | 12 | 13 | 14 | 13 |
| Feels °C (?) | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 11 | 12 | 10 | 7 | 9 | 8 | 6 | 7 | 7 | 7 | 6 | 7 | 7 | 9 | 11 | 11 | 11 |
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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
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