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Banks Peninsula - Magnet Bay Surf Forecast
/ Canterbury (28 surf breaks) /
Surf Forecasts:
Banks Peninsula - Magnet Bay surfForecast / Canterbury / New Zealand
12 Day Weather and Surf, issued 12 am Sunday 19 Oct 2025 NZDT
Best Forecast Surf Conditions for Banks Peninsula - Magnet Bay this week:
The surf forecast for Banks Peninsula - Magnet Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 19) at 7PM. The primary swell is predicted to be 0.6m and 9s period with a secondary swell of 0.5m and 4s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 12 days are 3.0m 12s and forecast to arrive on Sunday (Oct 26) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Thursday (Oct 23) at 7PM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 19th Oct) | 2ft (0.6m) 9s |
| Best Surf | 7AM (Fri 24th Oct) | 10ft (3.0m) 9s |
| Most Powerful | 4AM (Sun 26th Oct) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 12 days.
Short Range Forecast Mostly dry. Very mild (max 18°C on Mon afternoon, min 8°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the WNW by Tue afternoon). | Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Fri afternoon. Warm (max 20°C on Thu morning, min 9°C on Thu night). Winds increasing (calm on Tue night, near gales from the NW by Thu night). | |||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Sat 25 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 15 | 16 | 15 | 9 | 8 | 7 | 9 | 16 | 16 | 15 | 14 | 10 | 15 | 12 | 12 | 6 | 9 | 8 | 8 | 8 | 11 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 179 | 80 | 73 | 79 | 60 | 21 | 8 | 47 | 80 | 795 | 1031 | 365 | 1001 | 400 | 343 | 469 | 1070 | 660 | 287 | 111 | 254 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | on | off | cross- off | cross | cross- off | cross | cross- on | off | cross | glass | cross- off | cross- off | cross | on | cross- on | off | cross- off | cross | on | |
High Tide / height (m) | 2:43AM 1.80 | 3:03PM 1.83 | 3:24AM 1.80 | 3:43PM 1.80 | 4:04AM 1.80 | 4:22PM 1.76 | 4:44AM 1.80 | 5:02PM 1.73 | 5:25AM 1.78 | 5:43PM 1.68 | 6:07AM 1.76 | 6:27PM 1.64 | 6:52AM 1.72 | |||||||||
Low Tide / height (m) | 8:47AM 0.25 | 9:10PM 0.26 | 9:30AM 0.27 | 9:50PM 0.27 | 10:12AM 0.30 | 10:29PM 0.30 | 10:54AM 0.34 | 11:10PM 0.33 | 11:38AM 0.38 | 11:52PM 0.37 | 12:25PM 0.43 | 12:38AM 0.42 | 1:13PM 0.47 | |||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Sat 25 | ||||||||||||||||
| Sunrise | - | 6:31 | - | - | 6:30 | - | - | 6:28 | - | - | 6:26 | - | - | 6:24 | - | - | 6:22 | - | - | 6:22 | - | |
| Sunset | - | - | 7:55 | - | - | 7:58 | - | - | 7:59 | - | - | 8:00 | - | - | 8:01 | - | - | 8:02 | - | - | 8:04 | |
 |  | | | | | | | |  |  | | | | | |  |  | | | | ||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | - | - | 2 | |
| Temp. °C | 11 | 12 | 11 | 9 | 17 | 18 | 16 | 18 | 18 | 12 | 15 | 16 | 12 | 20 | 20 | 18 | 9 | 9 | 11 | 16 | 14 | |
| Feels °C (?) | 9 | 7 | 8 | 6 | 12 | 12 | 11 | 12 | 11 | 11 | 12 | 14 | 9 | 14 | 13 | 7 | 6 | 6 | 6 | 10 | 10 | |
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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
Still cross-shore at Banks Peninsula - Magnet Bay (fresh winds from the NW at CHGPC Allandale 29 km from Banks Peninsula - Magnet Bay). 0.7m 4s local chop from the SE with a 0.5m 11s groundswell from the SSW and a 0.4m 14s groundswell, also from the SSW. 3 swells combining to make bigger set waves.
29 km away, 1 h 7 min ago
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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 - Magnet 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 - 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 12 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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