Banks Peninsula - Magnet Bay Surf Break

Banks Peninsula - Magnet Bay Surf Forecast and Surf Report

Lat Long: 43.87° S 172.80° E

Issued: 5 am 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
12.2° C

2.4°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 16 Jun 2026:

  • Best quality surf: Monday 22 Jun, 12PM (local time) - 10ft (3.0m), 16s period, S swell with offshore winds.
  • Most powerful swell: Monday 22 Jun, 12PM (local time) - 10ft (3.0m), 16s period, S swell with 4,030 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 17 Jun, 9PM (local time) - 7ft (2.1m), 9s 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 Wednesday (Jun 17) at 9PM. The primary swell is predicted to be 2.1m and 9s period with a secondary swell of 0.8m 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 3.0m 16s and forecast to arrive on Monday (Jun 22) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Saturday (Jun 20) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 17th Jun)7ft (2.1m) 9s
Best Surf12PM (Mon 22nd Jun)10ft (3.0m) 16s
Most Powerful12PM (Mon 22nd Jun)10ft (3.0m) 16s

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 17°C on Fri night, min 7°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 14mm), heaviest on Sat night. Warm (max 20°C on Sat afternoon, min 8°C on Mon night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
3
2
2
5
4
4
3
0
1
2
2
2
4
4
5
4
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
SSW
13
2.5
SSW
9
2
SSW
10
1.6
S
11
1.6
S
11
2.4
S
16
2.1
S
16
1.8
S
14
1.4
S
12
1
S
11
0.9
S
11
0.9
SSW
14
1.3
SSW
12
1.4
SSW
10
1.7
SSW
13
2.5
S
15
2.5
S
15
2
S
14
1.6
S
12
1.5
S
11
1.3
S
12
Wave Graph
Metric surfscale
Energy kJ
1057
1097
819
617
629
3046
2203
1243
574
265
195
313
452
334
1011
2790
3432
1549
771
576
496
Wind (km/h)
20
SSW
20
SSW
10
NNE
10
SSW
5
WNW
10
N
15
NNE
10
NNW
15
N
30
N
15
NNW
5
N
5
E
10
E
0
NNE
15
ENE
15
ENE
5
NE
10
W
5
WSW
5
SW
Wind State
on
cross-on
off
on
cross
cross-off
off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
glassy
off
off
off
cross-on
on
on
High Tide
5:27PM2.18m
5:50AM1.98m
6:24PM2.13m
6:48AM1.94m
7:22PM2.05m
7:48AM1.88m
8:20PM1.96m
8:48AM1.82m
9:18PM1.87m
9:49AM1.77m
10:15PM1.79m
10:48AM1.74m
11:10PM1.73m
Low Tide
11:10AM-0.04m
11:50PM0.06m
12:09PM-0.02m
00:48AM0.08m
1:07PM0.03m
1:45AM0.11m
2:05PM0.09m
2:41AM0.15m
3:02PM0.17m
3:35AM0.20m
3:58PM0.26m
4:28AM0.25m
4:53PM0.33m
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
cloud
heavy rain
part cloud
part cloud
part cloud
cloud
light rain
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:02
8:02
8:02
8:03
8:03
8:03
8:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:57
4:57
4:57
4:57
4:57
4:57
4:58
 mm
13
1
Temp °C
10
9
8
9
9
9
10
11
17
19
20
11
11
11
11
11
11
11
9
9
9
Feels °C
5
4
5
6
7
5
7
8
12
15
17
11
10
9
10
9
8
9
6
7
7
Swell 1
Height (m)
Direction
Period (s)
0.2
ESE
12
0.9
S
14
2
SSW
10
1.6
S
11
1.6
S
11
2.4
S
16
2.1
S
16
1.8
S
14
1.4
S
12
1
S
11
0.9
S
11
1
S
5
1.3
SSW
12
1.4
SSW
10
1.7
SSW
13
2.5
S
15
2.5
S
15
2
S
14
1.6
S
12
1.5
S
11
1.3
S
12
Energy kJ
15
293
819
617
629
3046
2203
1243
574
265
195
53
452
334
1011
2790
3432
1549
771
576
496
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
12
0.2
ESE
12
0.1
SE
12
0.6
S
15
0.8
S
15
0.5
NE
4
0.2
ENE
6
0.1
NE
14
0.2
ENE
13
0.9
SSW
14
0.2
ENE
10
0.3
NE
10
0.3
NE
10
0.2
ENE
9
0.4
NE
9
0.2
ENE
9
0.1
NE
8
0.5
S
16
0.4
ENE
5
Energy kJ
15
14
6
155
272
9
3
7
17
313
11
16
15
8
21
8
3
132
11
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.2
ENE
11
0.1
SE
19
0.1
SE
18
0.1
SE
16
0.1
SE
16
0.5
NE
11
0.2
ENE
7
0.1
SE
15
0.1
SE
14
0.1
NE
8
0.1
NE
8
Energy kJ
5
12
14
12
11
10
55
4
8
8
3
3
Wind waves
Height (m)
Direction
Period (s)
1.8
SSW
13
2.5
SSW
9
0.5
NNE
3
0.3
NNW
3
0.6
N
3
1.3
N
5
1.2
NNE
5
1
SSW
5
0.4
NE
3
0.4
ENE
3
0.7
ENE
4
0.4
ENE
5
Energy kJ
1057
1097
6
2
7
78
78
46
2
4
13
9
Nearest Offshore or Glassy
Rating
(10 max)
2
3
3
3
3
5
4
4
3
1
2
2
2
2
4
4
5
4
3
3
2
Distance (km)
30
30
0
26
4
0
0
0
0
137
26
0
0
0
0
0
0
0
26
26
30
Best forecast wave conditions in Canterbury
Rating
(10 max)
2
3
4
3
3
5
4
4
3
1
2
2
2
2
4
4
5
4
3
3
2
Best forecast wave conditions in New Zealand
Rating
(10 max)
2
5
5
4
5
6
4
5
3
4
4
4
4
4
5
6
6
4
4
4
2
Header Global
Rating
(10 max)
4
5
5
4
5
6
6
6
4
4
7
7
4
9
9
7
6
5
7
5
9
  • 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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