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 pm 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
10.7°C
1.8° 

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 1 Sep 2026:

  • Best quality surf: Wednesday 2 Sep, 3AM (local time) - 10ft (3.0m), 16s period, S swell with cross-shore winds.
  • Most powerful swell: Wednesday 2 Sep, 3AM (local time) - 10ft (3.0m), 16s period, S swell with 5,151 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 2 Sep, 3AM (local time) - 10ft (3.0m), 16s 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 Wednesday (Sep 02) at 3AM. The primary swell is predicted to be 3.0m and 16s period with a secondary swell of 1.7m and 17s. Another secondary swell of 0.5m and 3s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 3.0m 16s and forecast to arrive on Wednesday (Sep 02) at 3AM. Winds are predicted to be cross-shore 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 3AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Wed 2nd Sep)10ft (3.0m) 16s
Best Surf 3AM (Wed 2nd Sep)10ft (3.0m) 16s
Most Powerful 3AM (Wed 2nd Sep)10ft (3.0m) 16s

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 Tue night). Winds increasing (light winds from the NNW on Thu morning, fresh winds from the WNW by Fri morning).

Days 5-7 Weather Summary

Heavy rain (total 20mm), heaviest during Sun night. Very mild (max 15°C on Sat afternoon, min 7°C on Mon afternoon). Winds increasing (calm on Sun night, strong winds from the SSW by Mon morning).

Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
!
!
3
3
2
2
0
0
0
1
1
2
2
1
2
0
0
0
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
S
13
3
S
14
2.4
S
13
1.6
S
12
1.2
S
11
1
S
11
0.8
S
9
0.4
SSW
16
0.4
SSW
15
0.9
SW
7
1
SSW
8
0.9
SSW
9
0.6
S
16
0.7
SSW
17
0.6
S
16
0.5
S
16
5
SSW
10
4.5
SSW
10
3
S
9
Wave Graph
Metric surfscale
Energy kJ
2692
3160
1922
714
344
223
108
82
73
91
134
136
198
297
198
127
4629
3878
1367
Wind (km/h)
15
NW
10
NNW
20
NNW
15
N
10
NNW
10
NNW
25
N
40
WNW
35
WNW
15
NNW
10
WNW
10
N
10
N
20
N
15
NNE
10
WNW
35
SW
35
SSW
10
SSW
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross
cross-off
cross-off
cross-off
off
cross-on
on
on
cross-on
High Tide
6:55AM1.78m
7:21PM1.71m
7:53AM1.78m
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
Low Tide
00:51AM0.30m
1:22PM0.33m
1:45AM0.31m
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
clear
part cloud
cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
heavy rain
light rain
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:52
6:50
6:50
6:48
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:02
6:04
6:05
6:06
6:07
 mm
18
2
Temp °C
9
12
15
13
18
18
15
15
13
10
13
15
11
13
14
12
10
8
7
Feels °C
4
8
10
10
16
16
8
7
5
5
9
12
7
8
10
11
3
0
1
  • Map Icons:
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  • 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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