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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 Wednesday 19 Nov 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
15.4° C
(Which is 3.8°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 7PM is: 1.1m 9s primary swell from a East-northeast direction (forecast issued at 12:00pm November 19). An open ocean swell of 0.1m 13s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Nov) | 4ft (1.2m) | 9s |
| Afternoon (19 Nov) | 3.5ft (1.1m) | 9s |
| Evening (19 Nov) | 3.5ft (1.1m) | 9s |
Table - waves today at Sumner Bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
| 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 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 225 | 220 | 220 | 216 | 220 | 225 | 225 | 181 | 149 | 156 | 163 | 166 | 169 | 140 | 143 | 146 | 184 | 149 | 416 | 133 | 111 | 75 | 72 | 50 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | glass | cross- off | off | off | off | off | off | cross- on | cross- on | cross- on | cross- on | glass | glass | glass | cross- off | cross | off | off | cross- off | glass | glass |
High Tide / height (m) | 4:58PM 2.10 | 5:22AM 2.22 | 5:41PM 2.09 | 6:04AM 2.22 | 6:22PM 2.08 | 6:45AM 2.21 | ||||||||||||||||||
Low Tide / height (m) | 10:57AM 0.75 | 11:01PM 0.72 | 11:38AM 0.76 | 11:44PM 0.75 | 12:18PM 0.77 | 12:26AM 0.75 | ||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:48 |
| Sunset | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:39 | - | - | - | - |
 | | |  |  | |  | |  | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 19 | 17 | 16 | 16 | 15 | 15 | 15 | 18 | 21 | 18 | 15 | 15 | 14 | 14 | 15 | 19 | 25 | 19 | 15 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 20 | 19 | 17 | 16 | 16 | 14 | 14 | 14 | 16 | 20 | 15 | 13 | 13 | 13 | 15 | 14 | 18 | 23 | 17 | 13 | 8 | 9 | 10 | 10 |
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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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