Banks Peninsula - Magnet Bay surf break

Banks Peninsula - Magnet Bay surfForecast / Canterbury / New Zealand

information circle16 Day Weather and Surf, issued 5 am Friday 29 May 2026 NZST
Forecast 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
12.5° C
(Which is 2.2°C warmer than normal for this time of year)

Banks Peninsula - Magnet Bay surf forecast from 28 May 2026:

  • Best quality surf: Friday 29 May, 12PM (local time) - 7.5ft (2.3m), 14s period, S swell with glassy winds.
  • Most powerful swell: Friday 29 May, 12PM (local time) - 7.5ft (2.3m), 14s period, S swell with 2,048 kJ wave energy.
  • Next surfable swell (1★+): Friday 29 May, 12PM (local time) - 7.5ft (2.3m), 14s 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 Friday (May 29) at 12PM. The primary swell is predicted to be 2.3m and 14s period with a secondary swell of 0.1m and 10s. 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 2.3m 14s and forecast to arrive on Friday (May 29) at 12PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 9s period and expected on Tuesday (Jun 02) at 3AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Fri 29th May)7.5ft (2.3m) 14s
Best Surf12PM (Fri 29th May)7.5ft (2.3m) 14s
Most Powerful12PM (Fri 29th May)7.5ft (2.3m) 14s

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 Forecast

Mostly dry. Very mild (max 19°C on Sun night, min 9°C on Fri afternoon). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Tue morning, min 10°C on Wed night). Wind will be generally light.

Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
4
4
3
2
2
1
1
1
1
1
2
3
1
1
2
2
2
1
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)
2.5
S
15
2.2
S
13
1.9
S
12
1.6
S
12
1.1
SSW
11
1.1
S
11
0.6
SSW
10
0.5
SSW
11
0.4
SSW
14
0.9
ENE
8
0.9
ENE
9
1.2
ENE
9
1.6
ENE
10
1.7
ENE
11
1.4
ENE
11
1.1
ENE
11
1
ENE
11
0.8
ENE
10
0.8
ENE
9
0.5
S
8
0.4
S
8
Wave Graph
Metric surfscale
Energy kJ
2650
1693
1039
702
314
269
80
73
68
123
116
237
472
619
447
280
218
107
115
37
21
Wind (km/h)
5
NE
10
E
15
NE
15
NE
5
ENE
10
N
20
NNE
25
NE
20
NNE
5
ESE
5
W
5
NE
0
NW
15
S
10
SSW
5
ENE
15
ENE
10
NNE
10
N
15
NE
10
W
off
cross-off
off
off
glassy
cross-off
off
off
off
glassy
glassy
off
glassy
cross-on
on
cross-off
off
cross-off
cross-off
off
cross-on
High Tide
2:25PM1.79m
2:41AM1.70m
3:07PM1.80m
3:23AM1.69m
3:48PM1.81m
4:05AM1.68m
4:31PM1.81m
4:48AM1.66m
5:14PM1.79m
5:31AM1.63m
5:57PM1.76m
6:15AM1.60m
6:41PM1.72m
Low Tide
8:32PM0.39m
8:45AM0.34m
9:16PM0.40m
9:28AM0.35m
10:01PM0.41m
10:11AM0.37m
10:46PM0.43m
10:56AM0.38m
11:32PM0.44m
11:42AM0.40m
00:18AM0.45m
12:28PM0.42m
1:04AM0.46m
clear
part cloud
part cloud
part cloud
clear
clear
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:50
7:50
7:50
7:52
7:52
7:54
7:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:00
5:00
5:00
5:00
4:59
4:59
4:59
Temp °C
12
11
10
12
14
13
17
18
19
16
15
14
17
14
12
13
13
11
16
16
13
10
9
7
10
13
10
13
13
15
16
15
15
17
12
11
11
10
8
13
12
11
Swell 1
Height (m)
Direction
Period (s)
2.5
S
15
2.2
S
13
1.9
S
12
1.6
S
12
1.1
SSW
11
1.1
S
11
0.6
S
9
0.5
SSW
11
0.4
SSW
14
0.9
ENE
8
0.9
ENE
9
1.2
ENE
9
1.6
ENE
10
1.7
ENE
11
1.4
ENE
11
1.1
ENE
11
1
ENE
11
0.8
ENE
10
0.8
ENE
9
0.5
S
8
1.1
NE
10
Energy kJ
2650
1693
1039
702
314
269
60
73
68
123
116
237
472
619
447
280
218
107
115
37
235
Swell 2
Height (m)
Direction
Period (s)
0.2
E
11
0.1
E
10
0.1
E
10
0.9
SSE
11
0.7
SSE
9
0.5
ENE
6
0.6
SSW
10
0.5
S
10
0.3
SSE
9
0.3
SSW
12
0.3
SSW
12
0.3
SW
4
0.3
SSW
12
0.3
SSW
11
0.3
SSW
9
0.7
SSW
9
0.6
SSW
8
0.7
SSW
10
0.5
SSW
10
0.4
NE
10
0.4
S
8
Energy kJ
9
2
2
161
92
23
80
46
16
31
29
2
28
23
17
77
54
106
55
26
21
Swell 3
Height (m)
Direction
Period (s)
0.5
ENE
5
0.1
E
12
0.2
SSW
15
0.2
S
8
0.1
S
8
0.3
SSW
13
0.1
S
12
0.2
S
11
0.2
S
14
0.4
SSW
13
0.5
S
12
0.1
S
12
0.4
S
9
0.3
ENE
9
0.2
SSW
9
Energy kJ
14
3
21
6
1
33
3
9
16
53
71
3
25
15
8
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
3
0.8
NE
4
1
NE
5
0.3
NNW
2
1.1
NNE
4
1.1
NE
5
1.2
NE
8
0.2
WSW
3
0.4
SW
2
0.5
N
3
1.2
NE
5
Energy kJ
3
24
54
1
43
56
201
1
2
4
63
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
3
2
2
1
1
1
1
1
2
3
4
4
2
2
2
1
2
3
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
0
0
28
28
0
0
0
0
26
28
Best forecast wave conditions in Canterbury
Rating
(10 max)
4
4
4
3
2
2
1
2
1
4
4
2
3
4
4
3
3
2
2
2
3
Best forecast wave conditions in New Zealand
Rating
(10 max)
5
5
4
4
3
2
3
2
4
4
4
4
4
4
4
4
4
4
2
4
4
Header Global
Rating
(10 max)
7
5
5
5
5
5
7
7
6
6
5
5
5
4
5
5
5
4
5
8
7
  • 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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