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 05 Jul 2026 (local time)

Forecast update in  hr  min

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

1.4°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 5 Jul 2026:

  • Best quality surf: Monday 6 Jul, 9PM (local time) - 11ft (3.5m), 9s period, S swell with cross-shore winds.
  • Most powerful swell: Tuesday 7 Jul, 12AM (local time) - 13ft (4.0m), 9s period, SSE swell with 2,350 kJ wave energy.
  • Next surfable swell (1★+): Monday 6 Jul, 9PM (local time) - 11ft (3.5m), 9s 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 Monday (Jul 06) at 9PM. The primary swell is predicted to be 3.5m and 9s period with a secondary swell of 0.6m and 9s. Another secondary swell of 0.6m and 10s 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 4.0m 9s and forecast to arrive on Tuesday (Jul 07) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 8s period and expected on Monday (Jul 06) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Mon 6th Jul)11ft (3.5m) 9s
Best Surf 9PM (Mon 6th Jul)11ft (3.5m) 9s
Most Powerful12AM (Tue 7th Jul)13ft (4.0m) 9s

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

Heavy rain (total 36mm), heaviest during Mon night. Very mild (max 10°C on Wed morning, min 6°C on Sun night). Winds decreasing (fresh winds from the SSE on Mon night, light winds from the SSE by Tue night).

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Mild temperatures (max 8°C on Wed night, min 6°C on Thu night). Winds decreasing (fresh winds from the S on Wed night, calm by Sat afternoon).

Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sun
12
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
2
1
2
2
0
0
0
1
2
2
0
1
2
2
2
3
3
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)
1.8
SW
6
2.5
SSW
10
3
S
9
4
SSE
9
2.5
SSE
8
1.9
SSE
7
0.9
SSW
13
1.4
ENE
12
1.3
ENE
11
2.4
S
7
1.9
ESE
10
2.1
ESE
10
1.3
SSW
17
1.6
E
10
1.6
ESE
10
1.7
ESE
10
1.6
ESE
10
1
S
16
0.9
SSW
15
1.2
ESE
10
0.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
239
1310
1657
2350
875
400
259
488
415
569
710
846
1021
499
512
573
490
535
375
288
273
Wind (km/h)
25
WSW
30
SSW
30
S
35
SSE
25
SE
15
SSE
10
SSE
15
SE
30
SSE
30
S
25
S
20
SSW
10
S
10
SW
20
SW
15
SSW
10
SW
10
WSW
5
WSW
5
N
10
ENE
Wind State
on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
on
on
cross-on
glassy
off
High Tide
7:49AM1.58m
8:13PM1.67m
8:37AM1.60m
9:02PM1.66m
9:31AM1.64m
9:56PM1.67m
10:30AM1.71m
10:55PM1.70m
11:30AM1.81m
11:54PM1.76m
12:30PM1.92m
00:53AM1.83m
1:28PM2.03m
Low Tide
1:55AM0.41m
2:09PM0.39m
2:40AM0.40m
2:58PM0.39m
3:27AM0.37m
3:51PM0.37m
4:17AM0.33m
4:47PM0.34m
5:10AM0.27m
5:44PM0.30m
6:06AM0.20m
6:43PM0.24m
7:02AM0.12m
light rain
light rain
light rain
heavy rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
part cloud
cloud
part cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:02
8:02
8:02
8:00
8:00
8:00
8:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:04
5:04
5:05
5:06
5:07
5:07
5:07
 mm
1
2
3
22
2
2
1
1
2
1
1
2
Temp °C
8
9
9
9
9
9
9
10
9
8
8
7
6
7
6
7
7
7
6
7
7
Feels °C
5
3
3
2
4
5
6
5
3
1
1
1
2
2
0
3
4
4
4
4
3
Swell 1
Height (m)
Direction
Period (s)
0.9
ENE
10
0.7
ENE
9
0.6
E
10
0.7
ENE
9
1.3
ENE
9
1.4
ENE
9
1.2
ENE
9
1.4
ENE
12
1.3
ENE
11
1.5
E
11
1.9
ESE
10
2.1
ESE
10
2.1
ESE
10
1.6
E
10
1.6
ESE
10
1.7
ESE
10
1.6
ESE
10
1.5
ESE
10
1.3
ESE
9
1.2
ESE
10
1.1
ESE
10
Energy kJ
159
92
65
92
270
326
259
488
415
524
710
846
867
499
512
573
490
399
308
288
235
Swell 2
Height (m)
Direction
Period (s)
0.2
S
20
0.7
SSW
18
0.6
E
9
0.8
SSW
16
0.6
S
15
0.7
SSW
14
0.9
SSW
13
0.7
SSW
12
0.5
SSW
12
0.8
SSW
16
1.1
SSW
13
0.7
SSW
14
1.3
SSW
17
0.7
S
16
0.6
S
16
0.8
SSW
9
0.8
S
18
1
S
16
0.9
SSW
15
0.8
SSW
14
0.8
SSW
14
Energy kJ
32
326
64
288
159
213
242
157
87
280
434
189
1021
239
174
115
390
535
375
280
273
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
13
0.5
E
11
0.5
NE
8
0.1
S
21
0.2
S
19
0.4
SSW
17
0.3
SSW
20
0.5
S
19
0.7
SSW
17
0.5
S
14
0.7
SSW
10
0.8
E
10
Energy kJ
18
58
33
9
28
100
82
179
304
106
96
128
Wind waves
Height (m)
Direction
Period (s)
1.8
SW
6
2.5
SSW
10
3
S
9
4
SSE
9
2.5
SSE
8
1.9
SSE
7
1.3
SSE
7
1.2
SE
6
2.1
SSE
6
2.4
S
7
2
S
6
1.4
SSW
7
1.2
SSW
11
1
SSW
10
Energy kJ
239
1310
1657
2350
875
400
150
109
370
569
312
173
322
222
Nearest Offshore or Glassy
Rating
(10 max)
2
3
2
4
3
2
3
4
2
2
4
3
4
3
3
3
3
3
2
3
3
Distance (km)
28
30
33
206
33
32
28
30
226
41
30
209
28
28
28
28
28
28
28
0
0
Best forecast wave conditions in Canterbury
Rating
(10 max)
2
3
2
3
2
3
4
2
4
4
4
4
3
3
3
3
3
3
Best forecast wave conditions in New Zealand
Rating
(10 max)
5
6
4
5
5
4
4
4
4
4
6
7
5
5
4
6
5
4
4
4
4
Header Global
Rating
(10 max)
7
6
5
8
7
5
5
9
8
9
6
7
8
8
6
9
6
4
9
7
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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