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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 12 pm Monday 01 Dec 2025 NZDTForecast 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
16.3° C
(Which is 4.0°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 5PM is: 1.1m 11s primary swell from a East-northeast direction and 0.2m 15s secondary swell from a East direction, 0.8m 11s secondary swell from a East direction (forecast issued at 12:00pm December 01). The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Dec) | 2.5ft (0.8m) | 9s |
| Afternoon (01 Dec) | 2.5ft (0.8m) | 11s |
| Evening (01 Dec) | 2.5ft (0.7m) | 10s |
Table - waves today at Sumner Bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 15 | 11 | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 6 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 80 | 62 | 281 | 275 | 106 | 108 | 158 | 123 | 121 | 260 | 83 | 78 | 72 | 73 | 51 | 50 | 33 | 32 | 30 | 29 | 28 | 44 | 54 | 61 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | cross- on | cross- on | cross- on | cross | cross- off | glass | glass | glass | glass | cross- off | glass | glass | glass | cross | cross | cross- off | cross- off | cross- off | off | off | off | off |
High Tide / height (m) | 1:41PM 2.25 | 2:09AM 2.30 | 2:35PM 2.32 | 3:05AM 2.42 | 3:33PM 2.37 | 4:03AM 2.53 | ||||||||||||||||||
Low Tide / height (m) | 7:25AM 0.54 | 7:57PM 0.44 | 8:24AM 0.50 | 8:48PM 0.39 | 9:24AM 0.45 | 9:44PM 0.36 | ||||||||||||||||||
Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:41 |
| Sunset | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:53 | - | - | - | - |
 |  | |  |  |  |  | | | | | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 1 | 1 | - | - | - | - |
| Temp. °C | 17 | 17 | 16 | 14 | 13 | 13 | 11 | 11 | 15 | 17 | 17 | 16 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 12 | 11 | 11 | 11 | 10 |
| Feels °C (?) | 15 | 13 | 12 | 11 | 10 | 12 | 10 | 10 | 14 | 16 | 17 | 15 | 14 | 12 | 12 | 10 | 9 | 10 | 12 | 11 | 9 | 8 | 8 | 6 |
- 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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