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Surf Forecasts:
Banks Peninsula - Stony Bay surfForecast / Canterbury / New Zealand
48hr Weather and Surf, issued 6 am Wednesday 17 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Banks Peninsula - Stony Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Banks Peninsula - Stony Bay sea temperature is
16.5° C
(Which is 3.5°C warmer than normal for this time of year)How big are the waves at Banks Peninsula - Stony Bay today?
The current surf forecast for Banks Peninsula - Stony Bay at 1PM is: 1.9m 7s primary swell from a South direction and 0.7m 8s secondary swell from a Northeast direction, 0.3m 16s secondary swell from a South-southwest direction (forecast issued at 06:00am December 17). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 6ft (1.9m) | 6s |
| Afternoon (17 Dec) | 7ft (2.1m) | 7s |
| Evening (17 Dec) | 4.5ft (1.3m) | 8s |
Table - waves today at Banks Peninsula - Stony Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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) (?) | 8 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 12 | 5 | 6 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 91 | 219 | 312 | 328 | 440 | 351 | 193 | 210 | 215 | 284 | 280 | 242 | 158 | 133 | 96 | 59 | 46 | 52 | 50 | 56 | 108 | 120 | 687 | 623 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | cross- off | off | off | off | cross- off | glass | cross- on | on | on | on | glass | glass | glass | cross- on | cross- on | cross- on | off | off | off |
High Tide / height (m) | 3:27AM 1.80 | 3:42PM 1.71 | 4:09AM 1.83 | 4:25PM 1.72 | 4:52AM 1.86 | 5:08PM 1.72 | ||||||||||||||||||
Low Tide / height (m) | 9:35AM 0.46 | 9:48PM 0.39 | 10:21AM 0.45 | 10:31PM 0.39 | 11:05AM 0.44 | 11:14PM 0.38 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 9:06 | - | - | - | - | - | - | - | 9:06 | - | - | - | - | - | - | - | 9:07 | - | - |
 |  |  | |  |  |  |  |  |  | | | | | | | | | | | | |  | | |
Rain (mm) | 13 | 15 | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 |
| Temp. °C | 11 | 10 | 11 | 12 | 13 | 13 | 10 | 10 | 10 | 11 | 13 | 16 | 17 | 15 | 14 | 14 | 15 | 15 | 17 | 18 | 18 | 13 | 9 | 9 |
| Feels °C (?) | 7 | 6 | 7 | 8 | 8 | 9 | 6 | 7 | 7 | 8 | 11 | 14 | 14 | 12 | 13 | 14 | 15 | 14 | 15 | 15 | 13 | 7 | 2 | 4 |
- Map Icons:
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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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