Surf Forecasts:
Banks Peninsula - Magnet Bay surf forecast from 28 Jul 2026:
- Best quality surf: Saturday 1 Aug, 9PM (local time) - 10ft (3.0m), 10s period, S swell with onshore winds.
- Most powerful swell: Monday 3 Aug, 9PM (local time) - 16ft (5.0m), 14s period, SSW swell with 10,250 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 3PM (local time) - 4.5ft (1.3m), 12s 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 Wednesday (Jul 29) at 3PM. The primary swell is predicted to be 1.3m and 12s period with a secondary swell of 0.8m and 16s. 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 5.0m 14s and forecast to arrive on Monday (Aug 03) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Thursday (Jul 30) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Wed 29th Jul) | 4.5ft (1.3m) 12s |
| Best Surf | 9PM (Sat 1st Aug) | 10ft (3.0m) 10s |
| Most Powerful | 9PM (Mon 3rd Aug) | 16ft (5.0m) 14s |
Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 16 days.
Short Range ForecastLight rain (total 8mm), mostly falling on Fri afternoon. Very mild (max 15°C on Thu afternoon, min 6°C on Fri night). Winds increasing (calm on Wed morning, near gales from the SW by Fri night). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sat morning. Very mild (max 10°C on Mon morning, min 4°C on Sat night). Winds decreasing (strong winds from the SSW on Sat morning, calm by Sun afternoon). | ||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | |||||||||||||||
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) | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | E 11 | SE 15 | SSW 10 | SSW 11 | S 11 | S 10 | S 12 | S 11 | SSE 11 | SSW 9 | SSW 11 | SSW 13 | S 13 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 633 | 475 | 387 | 298 | 193 | 128 | 61 | 84 | 4965 | 4682 | 3262 | 1277 | 2071 | 1124 | 556 | 2322 | 5448 | 9441 | 7903 | 6008 | 3942 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | on | on | cross-on | cross-on | cross | on | on | cross-off | cross | cross-on | on | on | on | cross-on |
High Tide | 3:37PM1.83m | 3:51AM1.71m | 4:16PM1.83m | 4:29AM1.70m | 4:54PM1.82m | 5:08AM1.69m | 5:33PM1.79m | 5:48AM1.68m | 6:12PM1.75m | 6:31AM1.67m | 6:55PM1.72m | 7:18AM1.67m | 7:42PM1.69m | ||||||||
Low Tide | 9:15AM0.31m | 9:47PM0.37m | 9:57AM0.29m | 10:28PM0.35m | 10:39AM0.28m | 11:10PM0.34m | 11:21AM0.28m | 11:51PM0.34m | 12:05PM0.30m | 00:35AM0.35m | 12:51PM0.33m | 1:20AM0.36m | 1:41PM0.36m | 2:08AM0.36m | |||||||
 | |  | |  | |  |  |  |  | |  | | | | | |  | | | | |
 | 7:46 | — | — | 7:45 | — | — | 7:43 | — | — | 7:43 | — | — | 7:41 | — | — | 7:41 | — | — | 7:39 | — | — |
 | — | 5:23 | — | — | 5:24 | — | — | 5:25 | — | — | 5:27 | — | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — |
mm | — | — | — | — | — | — | — | 4 | 4 | 2 | 1 | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 11 | 13 | 11 | 14 | 15 | 13 | 11 | 9 | 6 | 6 | 7 | 8 | 9 | 8 | 6 | 10 | 8 | 8 | 8 | 8 | 6 |
Feels °C | 9 | 11 | 8 | 10 | 8 | 8 | 4 | 2 | -6 | -5 | -2 | 0 | 3 | 4 | 3 | 5 | 3 | 2 | 1 | 1 | 0 |
Swell 1 Height (m) Direction Period (s) | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | NE 7 | E 11 | SE 14 | SE 16 | E 10 | S 10 | S 10 | S 11 | SSE 11 | SSE 12 | SE 12 | — | — | — | SSE 12 |
| kJ | 633 | 475 | 387 | 298 | 193 | 128 | 38 | 59 | 132 | 193 | 8 | 1277 | 1255 | 1124 | 556 | 239 | 114 | — | — | — | 878 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 16 | SSW 14 | SSW 13 | SSW 12 | SSW 12 | E 11 | NE 7 | E 11 | E 10 | E 18 | SSE 13 | E 16 | S 22 | SSW 9 | E 15 | — | — | — | — | SSE 15 |
| kJ | 154 | 341 | 215 | 141 | 58 | 58 | 61 | 23 | 36 | 8 | 6 | 304 | 5 | 10 | 119 | 4 | — | — | — | — | 298 |
Swell 3 Height (m) Direction Period (s) | NE 4 | NE 5 | NE 6 | N 7 | SSW 16 | NE 9 | SSW 11 | SE 15 | NE 8 | ENE 9 | E 18 | E 17 | S 19 | E 16 | S 20 | — | — | — | — | — | — |
| kJ | 6 | 7 | 13 | 1 | 82 | 12 | 38 | 84 | 11 | 8 | 6 | 6 | 7 | 5 | 119 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NW 3 | NNW 2 | NNE 5 | N 4 | N 4 | SSW 4 | SSW 10 | SSW 11 | S 11 | — | S 12 | — | WNW 4 | SSW 9 | SSW 11 | SSW 13 | S 13 | S 12 | S 12 |
| kJ | — | — | 2 | 1 | 77 | 36 | 16 | 54 | 4965 | 4682 | 3262 | — | 2071 | — | 11 | 2322 | 5448 | 9441 | 7903 | 6008 | 3942 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 137 | 4 | 35 | 28 | 210 | 206 | 206 | 4 | 30 | 28 | 0 | 26 | 41 | 32 | 32 | 32 | 32 |
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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