Banks Peninsula - Magnet Bay Surf Break

Lat Long: 43.87° S 172.80° E

Banks Peninsula - Magnet Bay Surf Forecast and Surf Report

Issued: 11 am 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
10.2°C
1.2° 

Banks Peninsula - Magnet Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Banks Peninsula - Magnet Bay surf forecast from 3 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 6PM (local time) - 11ft (3.5m), 8s period, SSW swell with onshore winds.
  • Most powerful swell: Thursday 10 Sep, 6PM (local time) - 11ft (3.5m), 8s period, SSW swell with 1,410 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 6PM (local time) - 3.5ft (1.0m), 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 Thursday (Sep 03) at 6PM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.3m and 14s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 3.5m 8s and forecast to arrive on Thursday (Sep 10) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Friday (Sep 04) at 6AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Thu 3rd Sep)3.5ft (1.0m) 10s
Best Surf 6PM (Thu 10th Sep)11ft (3.5m) 8s
Most Powerful 6PM (Thu 10th Sep)11ft (3.5m) 8s

Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 16 days.


Short Range Forecast

Mostly dry. Very mild (max 18°C on Thu morning, min 8°C on Fri night). Winds decreasing (strong winds from the NNW on Thu night, light winds from the N by Sat night).

Days 4-6 Weather Summary

Light rain (total 8mm), mostly falling on Sun night. Very mild (max 15°C on Sun afternoon, min 6°C on Mon night). Winds decreasing (fresh winds from the SSW on Sun night, calm by Mon night).

Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
1
0
0
1
2
0
3
2
1
0
0
0
1
0
0
2
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
S
11
1
S
11
0.8
S
9
0.4
SSW
16
0.4
SSW
15
1.3
SW
8
1.4
SSW
9
1
SSW
10
1.2
SSW
16
0.7
S
17
0.6
S
16
1.8
SSW
6
2.4
SSW
7
1.7
S
7
1
S
7
0.7
SSW
9
1.3
S
6
1.4
SSW
7
0.9
SSW
9
1.5
S
13
1.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
396
223
109
82
74
211
318
179
731
283
195
209
595
274
100
86
132
197
143
740
1139
Wind (km/h)
10
NNW
15
NNW
20
NNE
45
NW
30
WNW
10
NW
15
NNW
25
NW
10
N
20
NNE
15
N
30
SSW
25
SSW
10
SSW
15
NE
15
WSW
20
SSW
15
NNE
15
NNW
10
S
20
NW
Wind State
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross
cross-off
off
cross-off
cross-on
cross-on
cross-on
off
cross-on
cross-on
off
cross-off
cross-on
cross
High Tide
8:19PM1.69m
8:56AM1.79m
9:23PM1.69m
10:03AM1.83m
10:29PM1.72m
11:07AM1.89m
11:32PM1.78m
12:07PM1.96m
00:30AM1.85m
1:03PM2.02m
1:24AM1.92m
1:54PM2.06m
2:14AM1.97m
Low Tide
2:20PM0.35m
2:43AM0.31m
3:21PM0.35m
3:43AM0.29m
4:23PM0.33m
4:43AM0.24m
5:23PM0.28m
5:42AM0.17m
6:20PM0.22m
6:38AM0.10m
7:14PM0.15m
7:32AM0.04m
8:05PM0.10m
clear
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
mod rain
part cloud
clear
part cloud
cloud
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:50
6:50
6:48
6:46
6:43
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:04
6:05
6:06
6:07
6:08
6:09
 mm
8
Temp °C
18
18
15
14
14
9
13
14
11
14
15
10
8
8
8
9
9
8
14
9
10
Feels °C
15
15
8
5
7
4
6
7
7
8
11
6
2
4
6
5
4
4
7
6
3
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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