Surf Forecasts:
Banks Peninsula - Magnet Bay surf forecast from 8 Aug 2026:
- Best quality surf: Thursday 13 Aug, 3PM (local time) - 5.5ft (1.7m), 8s period, ENE swell with cross-offshore winds.
- Most powerful swell: Saturday 15 Aug, 12PM (local time) - 8ft (2.4m), 7s period, SSW swell with 512 kJ wave energy.
- Next surfable swell (1★+): Saturday 8 Aug, 9PM (local time) - 3.5ft (1.1m), 10s 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 (Aug 08) at 9PM. The primary swell is predicted to be 1.1m and 10s period with a secondary swell of 0.4m and 16s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 2.4m 7s and forecast to arrive on Saturday (Aug 15) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Tuesday (Aug 11) at 9PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sat 8th Aug) | 3.5ft (1.1m) 10s |
| Best Surf | 3PM (Thu 13th Aug) | 5.5ft (1.7m) 8s |
| Most Powerful | 12PM (Sat 15th Aug) | 8ft (2.4m) 7s |
Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 16 days.
Short Range ForecastLight rain (total 3mm), mostly falling on Mon morning. Very mild (max 13°C on Sun afternoon, min 7°C on Mon night). Winds increasing (calm on Sat morning, fresh winds from the SW by Mon morning). | Days 4-6 Weather SummaryMostly dry. Very mild (max 14°C on Thu morning, min 8°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||
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) | S 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SW 6 | S 7 | SSE 7 | SSE 7 | SE 7 | E 6 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 279 | 226 | 253 | 110 | 88 | 121 | 128 | 385 | 188 | 134 | 86 | 225 | 334 | 355 | 284 | 155 | 335 | 493 | 203 | 157 | 134 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | glassy | glassy | cross-on | on | cross-on | glassy | off | off | off | off | off | off | off | cross-off | glassy | on | on | on |
High Tide | 11:17AM1.85m | 11:41PM1.76m | 12:18PM1.94m | 00:41AM1.84m | 1:16PM2.04m | 1:37AM1.92m | 2:10PM2.11m | 2:30AM1.98m | 3:02PM2.15m | 3:22AM2.02m | 3:53PM2.14m | 4:13AM2.02m | 4:42PM2.10m | ||||||||
Low Tide | 5:32PM0.31m | 5:52AM0.19m | 6:31PM0.24m | 6:50AM0.11m | 7:28PM0.17m | 7:46AM0.03m | 8:23PM0.11m | 8:41AM-0.03m | 9:17PM0.06m | 9:35AM-0.05m | 10:09PM0.04m | 10:28AM-0.03m | 11:00PM0.06m | ||||||||
 |  |  |  | | |  | |  | | | | | |  | | | | | | | |
 | 7:33 | — | — | 7:33 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:26 | — | — |
 | — | 5:34 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:40 | — |
mm | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 9 | 11 | 13 | 9 | 9 | 9 | 8 | 10 | 10 | 10 | 12 | 13 | 11 | 14 | 14 | 12 | 11 | 10 | 9 |
Feels °C | 10 | 8 | 5 | 10 | 11 | 7 | 3 | 5 | 6 | 7 | 6 | 6 | 9 | 10 | 8 | 13 | 12 | 11 | 8 | 7 | 5 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | SSE 9 | ESE 6 | SSE 9 | SSE 9 | SSE 9 | SE 13 | SSE 7 | SSE 7 | SE 7 | SE 10 | SSE 10 | SSE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 |
| kJ | 279 | 226 | 253 | 50 | 88 | 121 | 90 | 45 | 188 | 134 | 86 | 25 | 30 | 29 | 284 | 155 | 197 | 245 | 203 | 157 | 134 |
Swell 2 Height (m) Direction Period (s) | SE 12 | S 18 | S 16 | SSE 9 | ENE 7 | NE 6 | SSW 15 | SSW 15 | SE 12 | SE 11 | SE 11 | S 10 | S 15 | S 20 | SSE 9 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 16 | ESE 14 |
| kJ | 37 | 24 | 75 | 110 | 31 | 9 | 42 | 42 | 114 | 82 | 42 | 8 | 18 | 8 | 16 | 51 | 51 | 48 | 42 | 48 | 20 |
Swell 3 Height (m) Direction Period (s) | S 16 | ESE 12 | E 14 | SSE 12 | ESE 6 | SSW 16 | ENE 7 | SE 11 | SSW 13 | SSW 13 | SSW 12 | S 16 | S 21 | S 15 | S 18 | SE 14 | SSE 10 | ESE 13 | ESE 13 | ESE 14 | S 18 |
| kJ | 21 | 13 | 4 | 29 | 18 | 50 | 9 | 19 | 35 | 16 | 13 | 21 | 9 | 4 | 25 | 29 | 10 | 17 | 17 | 19 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | NE 6 | NE 7 | — | WSW 3 | SW 6 | S 7 | — | — | NE 3 | E 6 | ENE 7 | ENE 8 | — | — | ENE 8 | ENE 8 | — | SW 3 | S 5 |
| kJ | — | — | 2 | 97 | — | 3 | 128 | 385 | — | — | 5 | 225 | 334 | 355 | — | — | 335 | 493 | — | 2 | 104 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 26 | 28 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 30 | 28 |
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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