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 am 03 Jul 2026 (local time)

Forecast update in  hr  min

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

1.3°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 3 Jul 2026:

  • Best quality surf: Monday 6 Jul, 12PM (local time) - 15ft (4.5m), 10s period, S swell with cross-onshore winds.
  • Most powerful swell: Monday 6 Jul, 9AM (local time) - 16ft (5.0m), 10s period, S swell with 4,497 kJ wave energy.
  • Next surfable swell (1★+): Friday 3 Jul, 6PM (local time) - 2.5ft (0.8m), 11s period with E 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 (Jul 03) at 6PM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.5m and 14s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 5.0m 10s and forecast to arrive on Monday (Jul 06) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 11s period and expected on Saturday (Jul 04) at 6PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Fri 3rd Jul)2.5ft (0.8m) 11s
Best Surf12PM (Mon 6th Jul)15ft (4.5m) 10s
Most Powerful 9AM (Mon 6th Jul)16ft (5.0m) 10s

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

Light rain (total 3mm), mostly falling on Sun night. Very mild (max 15°C on Sat morning, min 5°C on Sun night). Winds increasing (calm on Sat night, strong winds from the WSW by Sun night).

Days 4-6 Weather Summary

Heavy rain (total 22mm), heaviest during Mon night. Mild temperatures (max 9°C on Mon morning, min 6°C on Wed night). Winds decreasing (strong winds from the SSE on Mon night, light winds from the S by Wed night).

Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
2
0
0
3
2
0
0
0
0
0
!
0
1
1
2
2
1
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
E
10
0.9
E
11
0.9
ENE
10
0.7
E
13
0.7
E
12
1.5
ENE
11
1
E
10
1.1
ENE
9
1.8
S
8
5
S
10
4.5
SSE
10
4
SSE
9
3.5
SE
9
3.5
SE
9
2.5
ESE
9
2.2
ESE
9
1.8
E
11
2
ESE
10
1.6
ESE
9
0.8
SSW
19
1.6
ESE
10
Wave Graph
Metric surfscale
Energy kJ
127
195
140
153
138
550
210
216
397
4497
3840
2852
2297
1984
1129
749
743
788
400
481
442
Wind (km/h)
10
N
5
NNE
10
NNE
25
NNE
30
NNE
15
N
5
N
40
WSW
45
WSW
25
SSW
30
SSE
40
SSE
35
SSE
30
SSE
15
SSE
15
S
15
S
10
S
10
S
15
S
10
SSW
Wind State
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
on
on
on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:07PM1.75m
6:23AM1.61m
6:47PM1.72m
7:04AM1.58m
7:29PM1.69m
7:49AM1.58m
8:13PM1.67m
8:37AM1.60m
9:02PM1.66m
9:31AM1.64m
9:56PM1.67m
10:30AM1.71m
10:55PM1.70m
Low Tide
11:55AM0.35m
00:28AM0.41m
12:38PM0.37m
1:11AM0.41m
1:22PM0.38m
1:55AM0.41m
2:09PM0.39m
2:40AM0.40m
2:58PM0.39m
3:27AM0.37m
3:51PM0.37m
4:17AM0.33m
4:47PM0.34m
clear
clear
clear
clear
cloud
part cloud
part cloud
cloud
light rain
light rain
cloud
heavy rain
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:03
8:03
8:03
8:02
8:02
8:02
8:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:01
5:01
5:02
5:04
5:04
5:05
5:06
 mm
3
1
16
2
1
2
Temp °C
12
11
12
15
15
14
10
7
8
9
9
9
9
8
8
7
7
7
7
7
7
Feels °C
10
9
6
8
9
9
8
-2
-1
3
3
1
2
2
3
3
3
3
3
3
4
Swell 1
Height (m)
Direction
Period (s)
0.8
E
10
0.9
E
11
0.9
ENE
10
0.7
E
13
0.7
E
12
1.5
ENE
11
1
E
10
1.3
SSW
7
1.8
S
8
0.7
E
10
0.4
E
10
1
SSW
16
1.4
ENE
10
0.9
SSW
14
2.5
ESE
9
2.2
ESE
9
1.8
E
11
2
ESE
10
1.6
ESE
9
1.4
ESE
9
1.6
ESE
10
Energy kJ
127
195
140
153
138
550
210
144
397
90
31
512
402
293
1129
749
743
788
400
326
442
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
14
0.2
SSW
14
0.6
E
13
0.1
SW
12
0.1
S
16
0.2
S
18
0.6
NE
9
1.1
ENE
9
0.9
ENE
10
0.6
ENE
8
0.6
ENE
10
0.8
SSW
15
0.1
SW
18
0.3
S
16
0.8
SSW
16
0.7
SSW
15
0.8
SSW
19
0.7
SSW
13
Energy kJ
20
19
119
6
5
24
46
216
154
46
74
252
13
48
346
222
481
173
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
14
0.2
SSW
14
0.2
SSW
13
0.1
S
17
0.1
S
10
0.1
S
9
0.2
SSW
16
0.2
SSW
15
0.4
W
4
0.6
E
10
0.4
SSW
16
0.6
SSW
16
0.3
S
20
0.6
S
19
0.6
S
17
Energy kJ
52
19
17
5
2
2
25
22
6
73
102
201
73
259
217
Wind waves
Height (m)
Direction
Period (s)
0.2
NNW
2
0.2
NNW
3
0.8
NE
6
1.7
NNE
6
1.3
NE
5
0.6
N
4
0.9
SSW
4
0.4
NNW
3
5
S
10
4.5
SSE
10
4
SSE
9
3.5
SE
9
3.5
SE
9
1.6
SSW
7
1.6
SSW
6
1.9
SSE
7
0.4
WSW
3
Energy kJ
1
1
36
178
90
13
36
3
4497
3840
2852
2297
1984
220
159
394
4
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
1
1
3
2
2
1
5
3
4
4
2
4
4
4
3
3
3
3
Distance (km)
0
0
0
84
84
0
0
162
162
206
322
206
206
226
30
30
28
28
28
28
28
Best forecast wave conditions in Canterbury
Rating
(10 max)
2
2
2
1
1
3
2
4
4
4
4
3
3
3
Best forecast wave conditions in New Zealand
Rating
(10 max)
3
3
3
2
3
4
2
4
5
5
4
5
4
5
5
4
4
4
4
4
4
Header Global
Rating
(10 max)
9
5
9
5
6
8
5
9
7
5
9
9
8
6
5
9
9
9
5
5
6
  • 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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