Surf Forecasts:
Banks Peninsula - Magnet Bay surf forecast from 1 Aug 2026:
- Best quality surf: Wednesday 5 Aug, 3AM (local time) - 10ft (3.0m), 12s period, S swell with onshore winds.
- Most powerful swell: Tuesday 4 Aug, 9AM (local time) - 18ft (5.5m), 12s period, SSW swell with 8,188 kJ wave energy.
- Next surfable swell (1★+): Sunday 2 Aug, 12PM (local time) - 4.5ft (1.4m), 12s period with SSE swell.
Best Forecast Surf Conditions for Banks Peninsula - Magnet Bay this week:
The surf forecast for Banks Peninsula - Magnet Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 02) at 12PM. The primary swell is predicted to be 1.4m and 12s period with a secondary swell of 1.5m and 10s. Another secondary swell of 0.4m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 5.5m 12s and forecast to arrive on Tuesday (Aug 04) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Sunday (Aug 02) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Sun 2nd Aug) | 4.5ft (1.4m) 12s |
| Best Surf | 3AM (Wed 5th Aug) | 10ft (3.0m) 12s |
| Most Powerful | 9AM (Tue 4th Aug) | 18ft (5.5m) 12s |
Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 16 days.
Short Range ForecastModerate rain (total 10mm), heaviest on Tue morning. Very mild (max 13°C on Sun afternoon, min 5°C on Sat night). Winds increasing (light winds from the NNW on Sat night, near gales from the SW by Mon night). | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Tue afternoon. Mild temperatures (max 7°C on Thu afternoon, min 3°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Fri morning). | |||||||||||||||||||
Sat 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 11 | S 10 | SSE 13 | SSE 12 | SE 12 | SSW 12 | SSW 14 | SSW 11 | SSW 12 | SSW 12 | S 12 | S 11 | S 11 | SSE 10 | SE 10 | SSE 10 | S 17 | S 15 | S 13 | S 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2948 | 1163 | 749 | 464 | 314 | 669 | 1998 | 6845 | 8188 | 5790 | 3078 | 1673 | 1379 | 787 | 408 | 482 | 586 | 2241 | 1507 | 885 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | cross | off | cross | cross | cross-on | on | on | on | on | cross | glassy | glassy | cross-on | glassy | cross-off | cross-off | glassy | glassy |
High Tide | 5:33PM1.79m | 5:48AM1.68m | 6:12PM1.75m | 6:31AM1.67m | 6:55PM1.72m | 7:18AM1.67m | 7:42PM1.69m | 8:10AM1.68m | 8:36PM1.67m | 9:09AM1.71m | 9:35PM1.67m | 10:13AM1.77m | 10:39PM1.70m | |||||||
Low Tide | 11:51PM0.34m | 12:05PM0.30m | 00:35AM0.35m | 12:51PM0.33m | 1:20AM0.36m | 1:41PM0.36m | 2:08AM0.36m | 2:35PM0.38m | 3:01AM0.35m | 3:33PM0.38m | 3:56AM0.32m | 4:32PM0.35m | ||||||||
 |  |  | |  | | |  |  | | |  | | | | | | |  | | |
 | — | — | 7:41 | — | — | 7:41 | — | — | 7:39 | — | — | 7:37 | — | — | 7:37 | — | — | 7:35 | — | — |
 | 5:27 | — | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:32 | — |
mm | 1 | — | — | — | — | — | 1 | 3 | 5 | 3 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 7 | 7 | 12 | 13 | 9 | 12 | 11 | 8 | 5 | 6 | 6 | 5 | 6 | 4 | 6 | 7 | 4 | 7 | 8 | 6 |
Feels °C | 1 | 2 | 9 | 10 | 5 | 7 | 4 | -2 | -6 | -4 | -2 | 2 | 4 | 2 | 3 | 5 | 1 | 6 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 10 | SSE 13 | SSW 10 | SE 12 | SSW 12 | SE 15 | SE 13 | ESE 13 | — | S 12 | S 11 | S 11 | SSE 10 | SE 10 | SSE 10 | S 9 | S 15 | S 13 | S 12 |
| kJ | 2948 | 1163 | 749 | 391 | 314 | 669 | 9 | 44 | 17 | — | 3078 | 1673 | 1379 | 787 | 408 | 482 | 196 | 2241 | 1507 | 885 |
Swell 2 Height (m) Direction Period (s) | E 10 | SE 13 | SSW 10 | SSE 12 | SSW 9 | SE 11 | E 14 | — | — | — | — | SSE 15 | SSE 18 | SSW 11 | S 10 | S 14 | S 17 | SE 12 | SE 13 | SE 13 |
| kJ | 8 | 261 | 294 | 464 | 156 | 99 | 4 | — | — | — | — | 44 | 30 | 40 | 200 | 15 | 586 | 118 | 83 | 26 |
Swell 3 Height (m) Direction Period (s) | E 18 | E 17 | E 16 | S 23 | S 12 | S 18 | SE 15 | — | — | — | — | E 12 | E 12 | SE 16 | SE 15 | E 18 | SE 9 | — | SE 10 | S 19 |
| kJ | 6 | 6 | 5 | 40 | 106 | 163 | 9 | — | — | — | — | 3 | 3 | 41 | 57 | 6 | 122 | — | 14 | 7 |
Wind waves Height (m) Direction Period (s) | — | NW 3 | NW 3 | — | WNW 3 | WNW 3 | SSW 14 | SSW 11 | SSW 12 | SSW 12 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | 2 | — | 7 | 7 | 1998 | 6845 | 8188 | 5790 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 28 | 0 | 4 | 0 | 4 | 4 | 30 | 40 | 206 | 206 | 30 | 4 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Canterbury | ||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||
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Information about the Banks Peninsula - Magnet Bay Surf forecast
The above surf forecast table for Banks Peninsula - Magnet 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 - Magnet Bay can be found by selecting the local surf guide option on the grey menu. Our Banks Peninsula - Magnet 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 - Magnet 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 - Magnet 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 - Magnet Bay, camping, hotels and holiday cottages in Canterbury, consider staying in Christchurch which is 37 km (23 miles) away.
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