Banks Peninsula - Magnet Bay Surf Break

Banks Peninsula - Magnet Bay Surf Forecast and Surf Report

Lat Long: 43.87° S 172.80° E

Issued: 11 pm 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
11.7° C

2.1°C warmer than normal for this time of year

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 21 Jun 2026:

  • Best quality surf: Monday 22 Jun, 3PM (local time) - 10ft (3.0m), 17s period, S swell with offshore winds.
  • Most powerful swell: Monday 22 Jun, 3PM (local time) - 10ft (3.0m), 17s period, S swell with 4,600 kJ wave energy.
  • Next surfable swell (1★+): Monday 22 Jun, 6AM (local time) - 5ft (1.6m), 12s period with SSW 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 Monday (Jun 22) at 6AM. The primary swell is predicted to be 1.6m and 12s period with a secondary swell of 0.2m and 9s. 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 3.0m 17s and forecast to arrive on Monday (Jun 22) at 3PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Wednesday (Jun 24) at 6PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Mon 22nd Jun)5ft (1.6m) 12s
Best Surf 3PM (Mon 22nd Jun)10ft (3.0m) 17s
Most Powerful 3PM (Mon 22nd Jun)10ft (3.0m) 17s

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

Some drizzle, heaviest during Wed morning. Very mild (max 11°C on Mon morning, min 7°C on Tue morning). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 48mm), heaviest during Fri morning. Very mild (max 11°C on Thu afternoon, min 8°C on Fri afternoon). Winds increasing (calm on Wed night, strong winds from the SSW by Fri afternoon).

Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sun
28
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
2
4
!
4
2
2
3
2
2
2
0
0
1
0
0
0
1
2
3
4
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SSW
11
1.7
SSW
12
3
S
17
2.2
S
14
1.7
S
13
1.5
S
12
1.4
S
11
1.1
S
13
1
S
14
1.3
ENE
8
0.8
SSW
13
2.5
SW
8
2.5
SSW
8
3
SSW
10
3
SSW
10
3
SSW
9
1.8
S
8
1.3
S
18
1.5
S
16
1.6
S
15
1.4
SSW
14
Wave Graph
Metric surfscale
Energy kJ
259
767
4600
2032
986
668
510
434
383
196
222
703
987
1514
1530
1397
375
1039
1079
1200
731
Wind (km/h)
5
NW
5
N
10
ENE
10
NE
10
W
10
W
0
N
10
NE
5
NE
5
SW
30
SW
30
SSW
20
SW
30
SSW
40
SSW
35
SSW
20
SSW
10
SW
5
WNW
5
WNW
20
SSW
Wind State
glassy
cross-off
off
off
cross-on
cross-on
glassy
off
off
glassy
on
on
on
cross-on
on
on
cross-on
on
cross-on
glassy
cross-on
High Tide
9:18PM1.87m
9:49AM1.77m
10:15PM1.79m
10:48AM1.74m
11:10PM1.73m
11:42AM1.72m
00:02AM1.68m
12:33PM1.72m
00:50AM1.66m
1:19PM1.74m
1:35AM1.66m
2:02PM1.76m
2:18AM1.66m
2:44PM1.79m
Low Tide
3:35AM0.20m
3:58PM0.26m
4:28AM0.25m
4:53PM0.33m
5:19AM0.30m
5:45PM0.39m
6:07AM0.34m
6:35PM0.42m
6:52AM0.37m
7:22PM0.44m
7:36AM0.38m
8:08PM0.44m
8:19AM0.38m
clear
clear
clear
clear
clear
clear
cloud
light rain
cloud
light rain
light rain
light rain
heavy rain
heavy rain
mod rain
light rain
light rain
part cloud
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:03
8:03
8:03
8:03
8:03
8:03
8:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:57
4:58
4:58
4:58
4:59
4:59
4:59
 mm
1
4
4
2
11
14
8
4
1
Temp °C
8
11
11
9
9
9
8
9
9
10
10
11
11
11
10
8
9
9
8
9
10
Feels °C
6
8
8
6
6
6
6
6
7
9
6
6
6
5
2
-1
4
6
6
6
5
Swell 1
Height (m)
Direction
Period (s)
1
SSW
11
1.7
SSW
12
3
S
17
2.2
S
14
1.7
S
13
1.5
S
12
1.4
S
11
1.1
S
13
1
S
14
1.3
ENE
8
1.3
ENE
8
1.3
ENE
10
1.6
E
11
3
SSW
10
3
SSW
10
1.5
E
11
1.3
E
11
1.3
S
7
1.5
S
16
1.6
S
15
1.4
SSW
14
Energy kJ
259
767
4600
2032
986
668
510
434
383
196
216
315
617
1514
1530
498
375
159
1079
1200
731
Swell 2
Height (m)
Direction
Period (s)
0.2
ENE
10
1.2
S
15
0.3
NE
9
0.2
ENE
9
0.4
NE
5
0.4
NE
5
0.3
ENE
6
0.5
NE
7
0.5
E
7
0.7
SSW
13
0.1
S
8
0.6
SSW
12
0.3
SSW
14
1.7
E
10
1.6
E
10
0.7
S
17
1.3
S
18
1.2
E
10
1
E
11
0.9
E
10
Energy kJ
9
648
13
8
7
7
6
23
23
181
1
104
38
625
514
268
1039
308
227
174
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
14
0.2
ENE
9
0.1
E
9
0.1
E
8
0.1
S
8
0.6
SSW
13
1.2
E
11
0.8
SSW
6
0.1
SE
6
Energy kJ
8
8
2
1
1
137
319
50
1
Wind waves
Height (m)
Direction
Period (s)
0.6
NE
4
0.4
ENE
7
0.8
ENE
6
0.8
SSW
13
2.5
SW
8
2.5
SSW
8
3
SSW
9
1.8
S
8
0.4
WNW
3
0.2
WNW
3
Energy kJ
11
19
54
222
703
987
1397
362
3
1
Nearest Offshore or Glassy
Rating
(10 max)
2
4
5
4
3
3
3
2
2
2
3
3
4
4
3
4
4
3
4
4
3
Distance (km)
0
0
4
0
26
26
0
0
0
0
28
30
26
30
162
30
30
28
4
0
30
Best forecast wave conditions in Canterbury
Rating
(10 max)
2
4
5
4
3
3
3
2
2
3
3
3
4
4
4
4
4
4
4
3
Best forecast wave conditions in New Zealand
Rating
(10 max)
5
7
5
5
4
4
4
2
2
5
4
4
5
5
4
4
5
5
4
6
6
Header Global
Rating
(10 max)
5
7
5
6
5
5
5
7
8
8
6
5
6
5
5
5
5
5
5
8
9
  • 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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