Banks Peninsula - Magnet Bay Surf Break

Lat Long: 43.87° S 172.80° E

Banks Peninsula - Magnet Bay Surf Forecast and Surf Report

Issued: 12 am 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
12.1°C
2.0° 

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 19 Oct 2026:

  • Best quality surf: Tuesday 20 Oct, 10AM (local time) - 5ft (1.5m), 16s period, S swell with glassy winds.
  • Most powerful swell: Tuesday 20 Oct, 10AM (local time) - 5ft (1.5m), 16s period, S swell with 1,131 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 20 Oct, 10AM (local time) - 5ft (1.5m), 16s 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 Tuesday (Oct 20) at 10AM. The primary swell is predicted to be 1.5m and 16s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 1.5m 16s and forecast to arrive on Tuesday (Oct 20) at 10AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Thursday (Oct 22) at 1AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10AM (Tue 20th Oct)5ft (1.5m) 16s
Best Surf10AM (Tue 20th Oct)5ft (1.5m) 16s
Most Powerful10AM (Tue 20th Oct)5ft (1.5m) 16s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Thu afternoon, min 8°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Fri afternoon, min 13°C on Thu night). Wind will be generally light.

Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
2
1
3
2
0
1
1
1
1
2
0
2
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
S
16
1.3
S
11
1.3
S
11
1.2
S
11
1.4
SSW
12
1.1
SSW
12
1
SSW
9
0.7
SSW
9
0.6
S
9
0.9
SSW
8
0.5
S
15
1
S
13
0.9
SSW
10
0.8
SSW
10
0.8
SSW
14
0.5
S
16
0.5
S
16
1.3
S
6
0.4
SSW
14
0.5
SSW
10
0.5
SSW
8
Wave Graph
Metric surfscale
Energy kJ
1131
396
418
332
541
392
173
80
55
102
112
334
140
123
247
131
135
105
68
52
40
Wind (km/h)
5
NE
10
ENE
0
ENE
5
WNW
15
ENE
10
NE
10
WNW
5
E
10
ENE
5
N
10
ENE
10
NNW
15
WNW
5
SW
15
WNW
15
NW
10
NW
15
W
25
N
35
N
15
S
Wind State
glassy
cross-off
glassy
cross
cross-off
off
cross-on
cross-off
off
glassy
off
cross-off
cross-on
glassy
cross
cross
cross
cross-on
cross-off
cross-off
cross-on
High Tide
12:02PM1.64m
00:23AM1.55m
12:46PM1.67m
1:05AM1.60m
1:27PM1.71m
1:46AM1.67m
2:07PM1.76m
2:27AM1.75m
2:48PM1.80m
3:10AM1.84m
3:31PM1.85m
3:55AM1.92m
4:16PM1.87m
Low Tide
5:35AM0.47m
6:08PM0.47m
6:20AM0.42m
6:50PM0.42m
7:03AM0.37m
7:31PM0.36m
7:47AM0.31m
8:12PM0.29m
8:31AM0.25m
8:54PM0.23m
9:18AM0.20m
9:39PM0.18m
10:07AM0.17m
10:27PM0.14m
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
—
—
6:28
—
—
6:26
—
—
6:24
—
—
6:22
—
—
6:22
—
—
6:20
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:58
—
—
7:59
—
—
8:00
—
—
8:01
—
—
8:02
—
—
8:04
—
—
8:05
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3
Temp °C
11
12
10
19
18
13
19
20
15
20
22
18
19
19
18
20
22
17
22
20
19
Feels °C
9
9
7
16
14
9
17
18
12
19
20
15
17
18
15
16
20
14
17
13
13
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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