Surf Forecasts:
Banks Peninsula - Stony Bay surf forecast from 18 Jun 2026:
- Best quality surf: Thursday 25 Jun, 3PM (local time) - 13ft (4.0m), 8s period, SSW swell with cross-offshore winds.
- Most powerful swell: Monday 22 Jun, 6PM (local time) - 8ft (2.5m), 17s period, S swell with 4,331 kJ wave energy.
- Next surfable swell (1★+): Sunday 21 Jun, 6AM (local time) - 3.5ft (1.1m), 10s period with NE swell.
Best Forecast Surf Conditions for Banks Peninsula - Stony Bay this week:
The surf forecast for Banks Peninsula - Stony Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jun 21) at 6AM. The primary swell is predicted to be 1.1m and 10s period with a secondary swell of 0.8m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Banks Peninsula - Stony Bay in the next 16 days are 2.5m 17s and forecast to arrive on Monday (Jun 22) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Monday (Jun 22) at 12AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sun 21st Jun) | 3.5ft (1.1m) 10s |
| Best Surf | 3PM (Thu 25th Jun) | 13ft (4.0m) 8s |
| Most Powerful | 6PM (Mon 22nd Jun) | 8ft (2.5m) 17s |
Table - best surf conditions forecast for Banks Peninsula - Stony Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Sat night. Very mild (max 19°C on Sat afternoon, min 9°C on Thu afternoon). Winds increasing (light winds from the SW on Thu afternoon, fresh winds from the NNW by Fri night). | Days 5-7 Weather SummaryModerate rain (total 17mm), heaviest on Sun night. Very mild (max 11°C on Mon night, min 8°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 11 | S 16 | S 16 | SSW 14 | S 12 | NNE 6 | SSW 15 | SSW 14 | SSW 12 | SSW 12 | SSW 12 | S 14 | S 17 | S 16 | S 13 | S 12 | SSW 12 | SSW 14 | S 20 | SSW 6 | SSW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 504 | 2479 | 2294 | 1325 | 584 | 240 | 296 | 198 | 175 | 161 | 217 | 947 | 3974 | 2153 | 919 | 603 | 203 | 261 | 932 | 340 | 533 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | cross | cross-on | on | on | glassy | off | off | cross-off | off | off | off |
High Tide | 7:20PM2.24m | 7:46AM2.03m | 8:18PM2.17m | 8:46AM1.98m | 9:15PM2.08m | 9:46AM1.93m | 10:13PM1.99m | 10:45AM1.88m | 11:08PM1.90m | 11:41AM1.84m | 00:02AM1.83m | 12:34PM1.82m | 00:53AM1.77m | ||||||||
Low Tide | 1:43AM0.03m | 2:01PM0.00m | 2:39AM0.06m | 2:59PM0.07m | 3:35AM0.11m | 3:56PM0.16m | 4:29AM0.16m | 4:52PM0.24m | 5:22AM0.22m | 5:47PM0.32m | 6:13AM0.28m | 6:40PM0.39m | 7:01AM0.33m | ||||||||
 |  |  | |  | | |  |  |  |  | | |  | | | | | | | | |
 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:02 | — | — | 8:02 | — | — | 8:02 |
 | 4:55 | — | — | 4:55 | — | — | 4:57 | — | — | 4:57 | — | — | 4:57 | — | — | 4:57 | — | — | 4:58 | — | 4:58 |
mm | — | — | — | — | — | — | — | 13 | 4 | — | 8 | — | — | 2 | — | — | 3 | 4 | 1 | 3 | 3 |
Temp °C | 11 | 9 | 10 | 10 | 16 | 18 | 19 | 13 | 10 | 10 | 10 | 9 | 10 | 11 | 11 | 11 | 9 | 9 | 9 | 8 | 8 |
Feels °C | 9 | 6 | 6 | 7 | 8 | 13 | 14 | 10 | 9 | 8 | 9 | 7 | 7 | 7 | 10 | 9 | 7 | 6 | 5 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | S 16 | S 16 | SSW 14 | S 12 | SSW 12 | NNE 6 | NE 8 | NE 7 | SSW 12 | SSW 12 | S 14 | S 17 | S 16 | S 13 | S 12 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 |
| kJ | 504 | 2479 | 2294 | 1325 | 584 | 232 | 150 | 151 | 63 | 161 | 217 | 947 | 3974 | 2153 | 919 | 603 | 138 | 197 | 158 | 221 | 176 |
Swell 2 Height (m) Direction Period (s) | S 15 | — | — | E 18 | SE 18 | SE 16 | SSW 15 | SSW 14 | SSW 12 | NE 6 | NE 5 | NE 5 | NE 9 | — | NE 5 | ENE 6 | S 11 | SSW 14 | S 20 | — | SSW 14 |
| kJ | 275 | — | — | 7 | 12 | 11 | 296 | 198 | 175 | 34 | 11 | 5 | 21 | — | 38 | 36 | 181 | 261 | 932 | — | 218 |
Swell 3 Height (m) Direction Period (s) | NE 4 | — | — | — | E 15 | — | NE 13 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | — | — | ENE 8 | NE 8 | SSW 12 | S 9 | S 9 | — | — |
| kJ | 2 | — | — | — | 4 | — | 40 | 84 | 61 | 25 | 23 | 21 | — | — | 7 | 3 | 203 | 81 | 60 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NNE 3 | NNE 5 | N 5 | NNE 6 | NNW 6 | ESE 4 | — | — | SSE 4 | — | — | NE 4 | — | — | — | — | — | SSW 6 | SSW 8 |
| kJ | — | — | 8 | 42 | 98 | 240 | 75 | 16 | — | — | 20 | — | — | 29 | — | — | — | — | — | 340 | 533 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 15 | 30 | 13 | 15 | 32 | 15 | 30 | 8 | 13 | 25 | 30 | 30 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Canterbury | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Banks Peninsula - Stony Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Banks Peninsula - Stony Bay Surf forecast
The above surf forecast table for Banks Peninsula - Stony Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Banks Peninsula - Stony Bay can be found by selecting the local surf guide option on the grey menu. Our Banks Peninsula - Stony Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Banks Peninsula - Stony Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Banks Peninsula - Stony Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Canterbury? If you are looking for accommodation near Banks Peninsula - Stony Bay, camping, hotels and holiday cottages in Canterbury, consider staying in Christchurch which is 35 km (22 miles) away.
Nearest