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Banks Peninsula - Magnet Bay Surf Forecast
/ Canterbury (28 surf breaks) /
Surf Forecasts:
Banks Peninsula - Magnet Bay surfForecast / Canterbury / New Zealand
16 Day Weather and Surf, issued 11 pm Tuesday 12 May 2026 NZSTForecast update in hr min s Forecast update imminent
Banks Peninsula - Magnet Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Banks Peninsula - Magnet Bay sea temperature is
13.4° C
(Which is 2.4°C warmer than normal for this time of year)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 Wednesday (May 13) at 9AM. The primary swell is predicted to be 3.5m and 13s period with a secondary swell of 3.0m and 13s. Another secondary swell of 0.5m and 22s is also forecast. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 3.5m 13s and forecast to arrive on Wednesday (May 13) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (May 18) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Wed 13th May) | 11ft (3.5m) 13s |
| Best Surf | 9AM (Wed 13th May) | 11ft (3.5m) 13s |
| Most Powerful | 9AM (Wed 13th May) | 11ft (3.5m) 13s |
Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 12°C on Wed afternoon, min 7°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 11°C on Sat afternoon, min 7°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
S 13 | SSW 13 | S 13 | S 12 | SSW 10 | S 9 | S 14 | S 14 | S 13 | S 12 | S 11 | S 11 | S 10 | S 10 | S 9 | SSW 9 | S 8 | S 8 | SSE 9 | SSW 16 | SSW 16 | |
4485 | 3877 | 2293 | 1174 | 1106 | 509 | 1279 | 1190 | 956 | 604 | 389 | 319 | 244 | 177 | 127 | 44 | 46 | 31 | 27 | 53 | 47 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | on | on | cross-on | cross-on | glassy | glassy | cross-on | cross-on | glassy | glassy | off | off | cross-off | off | cross-off | off | off | glassy | cross-on | |
High Tide | 11:59PM1.74m | 12:23PM1.73m | 00:46AM1.80m | 1:12PM1.85m | 1:35AM1.86m | 2:03PM1.96m | 2:26AM1.91m | 2:56PM2.06m | 3:19AM1.95m | 3:50PM2.12m | 4:13AM1.97m | 4:46PM2.15m | 5:09AM1.96m | 5:44PM2.14m | |||||||
Low Tide | 6:09AM0.29m | 6:30PM0.25m | 6:55AM0.21m | 7:22PM0.19m | 7:44AM0.13m | 8:15PM0.14m | 8:36AM0.07m | 9:11PM0.10m | 9:31AM0.03m | 10:09PM0.09m | 10:28AM0.01m | 11:09PM0.09m | 11:27AM0.02m | ||||||||
 |  |  |  |  | | | | |  | | | | | | | | | | | | |
 | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — |
 | — | — | 5:15 | — | — | 5:14 | — | — | 5:13 | — | — | 5:12 | — | — | 5:10 | — | — | 5:09 | — | — | 5:08 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 12 | 11 | 11 | 12 | 8 | 10 | 9 | 9 | 10 | 11 | 8 | 9 | 10 | 8 | 9 | 9 | 9 | 10 | 10 |
7 | 9 | 9 | 10 | 9 | 10 | 7 | 9 | 7 | 7 | 8 | 9 | 5 | 7 | 8 | 6 | 7 | 7 | 7 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | E 12 | S 13 | S 13 | S 12 | S 9 | S 9 | S 14 | S 14 | S 13 | S 12 | S 11 | S 11 | S 10 | S 10 | S 9 | S 8 | S 8 | S 8 | SSE 9 | S 8 | SSW 16 |
 kJ | 72 | 3267 | 2293 | 1174 | 680 | 509 | 1279 | 1190 | 956 | 604 | 389 | 319 | 244 | 177 | 127 | 29 | 46 | 31 | 27 | 12 | 47 |
Swell 2 Height (m) Direction Period (s) | S 26 | S 22 | S 20 | S 17 | S 15 | S 15 | E 9 | E 9 | E 9 | ENE 9 | ENE 10 | ENE 11 | ENE 11 | SSW 16 | SSW 16 | SSW 9 | ENE 10 | ENE 10 | ENE 9 | SSW 16 | SSE 8 |
| kJ | 51 | 227 | 122 | 214 | 172 | 116 | 7 | 7 | 7 | 9 | 22 | 25 | 24 | 81 | 84 | 44 | 20 | 19 | 17 | 53 | 13 |
Swell 3 Height (m) Direction Period (s) | SE 17 | ENE 11 | ENE 10 | E 10 | E 10 | E 10 | SE 12 | S 11 | — | — | S 21 | S 19 | S 18 | ENE 11 | ENE 10 | ENE 10 | SSW 13 | SSW 12 | SSW 7 | ENE 4 | ENE 4 |
| kJ | 12 | 37 | 35 | 18 | 17 | 17 | 6 | 9 | — | — | 9 | 30 | 55 | 23 | 22 | 20 | 17 | 15 | 5 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | S 13 | SSW 13 | — | — | SSW 10 | — | — | — | — | — | — | — | — | — | ENE 3 | NE 3 | NE 3 | NE 3 | NE 4 | — | — |
| kJ | 4485 | 3877 | — | — | 1106 | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 4 | 5 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 28 | 26 | 4 | 30 | 30 | 0 | 0 | 30 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 30 |
Best forecast wave conditions in Canterbury | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 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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