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Banks Peninsula - Stony Bay Surf Forecast
/ Canterbury (28 surf breaks) /
Surf Forecasts:
Banks Peninsula - Stony Bay surfForecast / Canterbury / New Zealand
48hr Weather and Surf, issued 5 pm Wednesday 17 Sep 2025 NZST
How big are the waves at Banks Peninsula - Stony Bay today?
The current surf forecast for Banks Peninsula - Stony Bay at 8PM is: 1.2m 8s primary swell from a Northeast direction and 0.6m 10s secondary swell from a South direction, 0.8m 4s secondary swell from a Northwest direction (forecast issued at 05:00pm September 17). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | - | - |
| Afternoon (17 Sep) | 5ft (1.6m) | 5s |
| Evening (17 Sep) | 4ft (1.2m) | 8s |
Table - waves today at Banks Peninsula - Stony Bay. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 10 | 8 | 7 | 7 | 7 | 5 | 6 | 9 | 6 | 6 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 12 | 11 | 11 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 143 | 90 | 182 | 297 | 131 | 116 | 53 | 63 | 68 | 11 | 324 | 1666 | 1696 | 1435 | 940 | 1133 | 745 | 682 | 694 | 537 | 741 | 811 | 763 | 664 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | glass | cross- on | on | cross- on | cross- on | cross- on | cross | cross- on |
High Tide / height (m) | 1:16AM 1.89 | 1:46PM 2.02 | 2:08AM 1.89 | 2:35PM 2.00 | 2:56AM 1.89 | |||||||||||||||||||
Low Tide / height (m) | 7:06PM 0.24 | 7:24AM 0.19 | 7:59PM 0.24 | 8:16AM 0.19 | 8:49PM 0.23 | 9:06AM 0.20 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - |
| Sunset | - | 6:17 | - | - | - | - | - | - | - | 6:19 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - |
 |  |  |  |  | |  | | |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 2 | 2 | 1 | 2 | 2 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 16 | 15 | 13 | 12 | 13 | 13 | 15 | 15 | 9 | 7 | 5 | 5 | 4 | 6 | 7 | 8 | 6 | 5 | 6 | 6 | 6 | 8 | 10 |
| Feels °C (?) | 11 | 13 | 13 | 10 | 8 | 6 | 6 | 10 | 11 | 3 | 1 | -1 | 0 | -2 | 0 | 3 | 5 | 3 | 0 | -1 | -1 | 1 | 4 | 6 |
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Canterbury
Cross-on wind has become cross-off at Banks Peninsula - Stony Bay (strong winds from the W at Le Bons Bay Automatic Weather Station 9 km from Banks Peninsula - Stony Bay). 1.0m 10s swell from the S with a 0.6m 7s swell from the NNE and a 0.2m 10s swell from the SE. 3 swells combining to make bigger set waves.
Actual: 40 min ago
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