Surf Forecasts:
Banks Peninsula - Magnet Bay surf forecast from 15 Oct 2026:
- Best quality surf: Saturday 17 Oct, 10PM (local time) - 5.5ft (1.7m), 13s period, S swell with glassy winds.
- Most powerful swell: Tuesday 20 Oct, 10AM (local time) - 6ft (1.8m), 16s period, S swell with 1,692 kJ wave energy.
- Next surfable swell (1★+): Saturday 17 Oct, 7PM (local time) - 5ft (1.5m), 11s period with S 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 Saturday (Oct 17) at 7PM. The primary swell is predicted to be 1.5m and 11s period with a secondary swell of 0.8m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 1.8m 16s and forecast to arrive on Tuesday (Oct 20) at 10AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Oct 20) at 1PM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sat 17th Oct) | 5ft (1.5m) 11s |
| Best Surf | 10PM (Sat 17th Oct) | 5.5ft (1.7m) 13s |
| Most Powerful | 10AM (Tue 20th Oct) | 6ft (1.8m) 16s |
Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 16 days.
Short Range ForecastModerate rain (total 14mm), heaviest on Thu night. Very mild (max 10°C on Thu morning, min 6°C on Thu night). Winds decreasing (strong winds from the SSW on Thu night, calm by Sat night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Sun afternoon, min 10°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||
AM | 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) | SSE 7 | SSE 7 | S 8 | S 9 | S 8 | S 9 | SSW 11 | S 11 | S 13 | S 13 | S 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 16 | S 15 | S 12 | SSW 13 | SSW 12 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 113 | 327 | 1352 | 1498 | 958 | 1004 | 1173 | 646 | 971 | 912 | 913 | 995 | 1192 | 1308 | 713 | 1692 | 1363 | 574 | 1092 | 794 | 388 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | glassy | cross-on | cross-off | cross-off | cross | cross-off | glassy | off | off | cross | cross-on | cross-on | cross-off |
High Tide | 8:00PM1.61m | 8:29AM1.70m | 8:54PM1.56m | 9:24AM1.65m | 9:50PM1.52m | 10:20AM1.63m | 10:45PM1.51m | 11:13AM1.63m | 11:36PM1.52m | 12:02PM1.64m | 00:23AM1.55m | 12:46PM1.67m | 1:05AM1.60m | ||||||||
Low Tide | 2:00PM0.44m | 2:15AM0.44m | 2:52PM0.49m | 3:07AM0.48m | 3:44PM0.52m | 3:58AM0.50m | 4:35PM0.52m | 4:48AM0.50m | 5:23PM0.50m | 5:35AM0.47m | 6:08PM0.47m | 6:20AM0.42m | 6:50PM0.42m | ||||||||
 |  |  | | |  |  | |  | | | | | | | | | |  | | | |
 | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — |
 | — | 7:51 | — | — | 7:52 | — | — | 7:53 | — | — | 7:54 | — | — | 7:55 | — | — | 7:58 | — | — | 7:59 | — |
mm | — | 5 | 7 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 9 | 8 | 8 | 9 | 8 | 10 | 10 | 9 | 17 | 19 | 14 | 18 | 16 | 11 | 14 | 15 | 15 | 12 | 12 | 10 |
Feels °C | 6 | 3 | -1 | 0 | 1 | 2 | 6 | 7 | 6 | 15 | 15 | 10 | 17 | 12 | 10 | 12 | 13 | 12 | 9 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | SSE 7 | ENE 6 | ENE 7 | NE 9 | ESE 9 | S 14 | S 11 | S 11 | S 13 | S 13 | S 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 16 | S 15 | S 12 | SSW 13 | SSW 12 | S 11 |
| kJ | 113 | 4 | 4 | 3 | 211 | 366 | 846 | 646 | 971 | 912 | 913 | 995 | 1192 | 1308 | 713 | 1692 | 1363 | 574 | 1092 | 794 | 388 |
Swell 2 Height (m) Direction Period (s) | S 8 | E 12 | NE 10 | SSW 14 | S 16 | NE 9 | ESE 8 | ESE 8 | E 8 | ESE 7 | ESE 7 | E 7 | — | — | S 16 | — | — | S 16 | NE 6 | NNE 5 | NE 10 |
| kJ | 33 | 3 | 4 | 18 | 21 | 3 | 109 | 78 | 29 | 17 | 9 | 4 | — | — | 188 | — | — | 130 | 1 | 3 | 4 |
Swell 3 Height (m) Direction Period (s) | NE 9 | SW 16 | — | — | NE 9 | — | ESE 11 | E 11 | E 10 | — | — | — | — | — | NE 6 | — | — | ENE 5 | NE 10 | NE 10 | NE 10 |
| kJ | 19 | 10 | — | — | 3 | — | 22 | 9 | 2 | — | — | — | — | — | 5 | — | — | 3 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | SSW 8 | SSE 7 | S 8 | S 9 | S 8 | S 9 | SSW 11 | — | — | — | — | NNE 3 | — | — | — | — | NE 5 | WNW 4 | WNW 3 | — | — |
| kJ | 84 | 327 | 1352 | 1498 | 958 | 1004 | 1173 | — | — | — | — | 3 | — | — | — | — | 13 | 11 | 4 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 41 | 33 | 206 | 206 | 30 | 28 | 28 | 0 | 4 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 4 | 30 | 30 | 0 |
Best forecast wave conditions in Canterbury | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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