Banks Peninsula - Magnet Bay Surf Break

Lat Long: 43.87° S 172.80° E

Banks Peninsula - Magnet Bay Surf Forecast and Surf Report

Issued: 6 am 12 Oct 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
12.4°C
2.8° 

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 11 Oct 2026:

  • Best quality surf: Saturday 17 Oct, 1AM (local time) - 11ft (3.5m), 10s period, S swell with onshore winds.
  • Most powerful swell: Friday 16 Oct, 10AM (local time) - 13ft (4.0m), 9s period, S swell with 2,671 kJ wave energy.
  • Next surfable swell (1★+): Monday 12 Oct, 10AM (local time) - 2.5ft (0.7m), 8s 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 Monday (Oct 12) at 10AM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.2m and 13s. 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 4.0m 9s and forecast to arrive on Friday (Oct 16) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Wednesday (Oct 14) at 10AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10AM (Mon 12th Oct)2.5ft (0.7m) 8s
Best Surf 1AM (Sat 17th Oct)11ft (3.5m) 10s
Most Powerful10AM (Fri 16th Oct)13ft (4.0m) 9s

Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 16 days.


Short Range Forecast

Light rain (total 4mm), mostly falling on Wed night. Warm (max 22°C on Tue afternoon, min 10°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 26mm), heaviest during Thu afternoon. Very mild (max 10°C on Thu morning, min 6°C on Sat night). Winds decreasing (strong winds from the S on Thu night, light winds from the SSW by Sat night).

Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
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
1
1
0
1
0
1
0
0
1
0
0
0
0
!
3
2
2
3
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
8
0.9
ENE
7
0.4
SSW
16
0.8
ENE
7
0.4
SSW
17
0.4
SSW
16
1.3
ESE
6
1.1
SSE
6
1
SE
6
1.4
SSE
7
1.7
SSE
7
3.5
S
8
4
S
9
3.5
S
9
3.5
S
10
2.4
SSW
11
2.1
S
11
2
S
10
2.5
SSW
10
2.2
S
13
1.9
S
13
Wave Graph
Metric surfscale
Energy kJ
55
78
81
54
101
81
98
80
73
196
297
1545
2671
2337
2408
1365
1026
710
1271
1710
1189
Wind (km/h)
10
NE
15
NE
10
NNW
10
NW
5
WNW
10
SSW
5
ESE
15
S
5
SSE
10
SSE
25
S
40
SSW
35
S
30
SSW
20
SSW
15
SW
15
SSW
10
SW
5
W
5
E
5
N
Wind State
off
off
cross-off
cross
cross-on
cross-on
glassy
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-off
cross-off
High Tide
5:35PM1.81m
6:01AM1.86m
6:21PM1.75m
6:48AM1.81m
7:09PM1.67m
7:37AM1.75m
8:00PM1.61m
8:29AM1.70m
8:54PM1.56m
9:24AM1.65m
9:50PM1.52m
10:20AM1.63m
10:45PM1.51m
Low Tide
11:30AM0.24m
11:48PM0.24m
12:19PM0.31m
00:35AM0.31m
1:08PM0.38m
1:24AM0.38m
2:00PM0.44m
2:15AM0.44m
2:52PM0.49m
3:07AM0.48m
3:44PM0.52m
3:58AM0.50m
4:35PM0.52m
clear
clear
clear
clear
part cloud
cloud
light rain
cloud
light rain
light rain
heavy rain
mod rain
light rain
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
—
—
6:41
—
—
6:39
—
—
6:37
—
—
6:35
—
—
6:35
—
—
6:33
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:47
—
—
7:49
—
—
7:50
—
—
7:51
—
—
7:52
—
—
7:53
—
—
7:54
—
 mm
—
—
—
—
—
—
2
—
2
3
15
7
1
—
—
—
—
—
—
—
—
Temp °C
19
20
15
21
22
19
11
11
10
10
9
8
8
8
8
9
9
7
13
15
13
Feels °C
16
17
14
18
20
18
9
9
9
8
4
0
0
0
2
5
5
4
11
12
10
  • 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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