Surf Forecasts:
Banks Peninsula - Magnet Bay surf forecast from 15 Jul 2026:
- Best quality surf: Friday 17 Jul, 12AM (local time) - 5ft (1.5m), 10s period, SSW swell with offshore winds.
- Most powerful swell: Saturday 18 Jul, 9AM (local time) - 8ft (2.5m), 23s period, S swell with 6,870 kJ wave energy.
- Next surfable swell (1★+): Thursday 16 Jul, 3PM (local time) - 2ft (0.6m), 16s period with ESE 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 Thursday (Jul 16) at 3PM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 1.2m and 6s. 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 2.5m 23s and forecast to arrive on Saturday (Jul 18) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Monday (Jul 20) at 9AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Thu 16th Jul) | 2ft (0.6m) 16s |
| Best Surf | 12AM (Fri 17th Jul) | 5ft (1.5m) 10s |
| Most Powerful | 9AM (Sat 18th Jul) | 8ft (2.5m) 23s |
Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 12°C on Sat afternoon, min 6°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Mon morning. Very mild (max 10°C on Sun afternoon, min 6°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||
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) | SE 16 | ESE 16 | SSW 10 | SE 17 | SSW 14 | ESE 15 | S 23 | S 19 | S 17 | S 15 | S 14 | S 14 | S 15 | S 14 | S 17 | S 16 | S 15 | S 13 | S 12 | S 11 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 77 | 173 | 460 | 647 | 966 | 760 | 6870 | 3929 | 2734 | 1676 | 1191 | 1304 | 1676 | 1018 | 2316 | 1953 | 1526 | 809 | 472 | 307 | 242 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | off | glassy | glassy | cross-off | cross | cross-on | cross-on | off | off | glassy | cross-on | cross-on | glassy | off | off | cross-off | glassy | glassy | glassy |
High Tide | 5:06PM2.17m | 5:28AM2.00m | 6:00PM2.10m | 6:23AM1.95m | 6:53PM2.00m | 7:19AM1.88m | 7:48PM1.90m | 8:17AM1.80m | 8:44PM1.79m | 9:17AM1.74m | 9:41PM1.70m | 10:16AM1.69m | 10:39PM1.64m | ||||||||
Low Tide | 10:50AM-0.06m | 11:27PM0.04m | 11:46AM-0.03m | 00:21AM0.07m | 12:42PM0.04m | 1:15AM0.12m | 1:37PM0.14m | 2:09AM0.18m | 2:33PM0.24m | 3:02AM0.26m | 3:28PM0.34m | 3:55AM0.32m | 4:23PM0.41m | ||||||||
 |  |  | | | | | |  | | |  |  | | | | | | |  | | |
 | 7:58 | — | — | 7:56 | — | — | 7:56 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:52 | — | — |
 | — | 5:10 | — | — | 5:12 | — | — | 5:13 | — | — | 5:14 | — | — | 5:15 | — | — | 5:15 | — | — | 5:16 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 8 | 9 | 10 | 8 | 10 | 12 | 10 | 9 | 10 | 9 | 9 | 9 | 7 | 8 | 8 | 8 | 10 | 11 | 9 |
Feels °C | 7 | 8 | 5 | 7 | 8 | 5 | 7 | 9 | 7 | 7 | 7 | 7 | 5 | 5 | 4 | 5 | 5 | 5 | 8 | 9 | 6 |
Swell 1 Height (m) Direction Period (s) | ESE 12 | SSW 6 | SSW 10 | SSW 10 | SSW 14 | ESE 15 | S 23 | S 19 | S 17 | S 15 | S 14 | S 14 | S 15 | S 14 | S 17 | S 16 | S 15 | S 13 | S 12 | S 11 | S 11 |
| kJ | 51 | 115 | 460 | 346 | 966 | 760 | 6870 | 3929 | 2734 | 1676 | 1191 | 1304 | 1676 | 1018 | 2316 | 1953 | 1526 | 809 | 472 | 307 | 242 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | ESE 16 | ESE 16 | SE 17 | SE 16 | SSW 10 | ESE 14 | ESE 14 | ESE 14 | ESE 13 | SE 13 | ESE 12 | ESE 12 | S 17 | ESE 12 | ESE 11 | ESE 11 | SE 11 | ESE 11 | ESE 11 | ESE 11 |
| kJ | 77 | 173 | 339 | 647 | 748 | 314 | 682 | 515 | 379 | 299 | 241 | 190 | 127 | 710 | 91 | 50 | 48 | 31 | 23 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | SE 16 | S 15 | SSW 14 | S 15 | SSW 15 | S 15 | — | SSE 24 | S 22 | — | S 19 | S 18 | — | ESE 12 | — | — | — | — | ESE 11 | NE 4 | — |
| kJ | 69 | 112 | 207 | 453 | 231 | 165 | — | 920 | 238 | — | 184 | 229 | — | 94 | — | — | — | — | 23 | 1 | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | — | NE 5 | — | — | — | — | — | — | — | — | — | E 4 | — | E 4 | — | — | NE 4 | NNE 5 | — | NE 2 |
| kJ | 39 | — | 1 | — | — | — | — | — | — | — | — | — | 10 | — | 7 | — | — | 5 | 2 | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 32 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 4 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 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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