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Surf Forecasts:
Sumner Bar surfForecast / Canterbury / New Zealand
48hr Weather and Surf, issued 6 am Saturday 06 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
16.5° 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 12PM is: 0.7m 9s primary swell from a East direction (forecast issued at 06:00am December 06). An open ocean swell of 0.1m 12s is not directed at the surf break, a second open ocean swell of 0.1m 15s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 2ft (0.6m) | 9s |
| Afternoon (06 Dec) | 3ft (0.9m) | 4s |
| Evening (06 Dec) | 3.5ft (1.1m) | 5s |
Table - waves today at Sumner Bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tue 09 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 5 | 5 | 5 | 5 | 9 | 5 | 4 | 4 | 8 | 4 | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 88 | 33 | 66 | 85 | 88 | 68 | 60 | 77 | 17 | 9 | 8 | 5 | 19 | 21 | 14 | 20 | 42 | 35 | 39 | 44 | 30 | 23 | 14 | 13 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | off | cross | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 6:01AM 2.67 | 6:31PM 2.46 | 6:58AM 2.68 | 7:29PM 2.45 | 7:54AM 2.64 | 8:26PM 2.43 | ||||||||||||||||||
Low Tide / height (m) | 12:22PM 0.31 | 12:40AM 0.28 | 1:20PM 0.29 | 1:37AM 0.27 | 2:16PM 0.30 | |||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tue 09 | |||||||||||||||||||||
| Sunrise | - | 5:41 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:57 | - | - | - | - | - | - | - | 8:58 | - | - | - | - | - | - | - | 8:59 | - | - |
 |  | | | |  |  | |  | | | | | | | | | | |  | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Temp. °C | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 16 | 19 | 23 | 25 | 26 | 24 | 21 | 20 | 20 | 20 | 19 | 16 | 14 | 14 | 12 | 12 |
| Feels °C (?) | 10 | 11 | 11 | 10 | 8 | 8 | 10 | 12 | 16 | 17 | 18 | 21 | 18 | 17 | 15 | 12 | 14 | 15 | 17 | 13 | 11 | 10 | 8 | 9 |
- 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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