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 15 Oct 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
13.2°C
3.4° 

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 14 Oct 2026:

  • Best quality surf: Sunday 18 Oct, 4PM (local time) - 6ft (1.8m), 13s period, S swell with glassy winds.
  • Most powerful swell: Friday 16 Oct, 7AM (local time) - 11ft (3.5m), 8s period, S swell with 1,696 kJ wave energy.
  • Next surfable swell (1★+): Saturday 17 Oct, 10PM (local time) - 6ft (1.8m), 10s 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 Saturday (Oct 17) at 10PM. The primary swell is predicted to be 1.8m and 10s period with a secondary swell of 0.1m and 11s. 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 3.5m 8s and forecast to arrive on Friday (Oct 16) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Tuesday (Oct 20) at 1AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sat 17th Oct)6ft (1.8m) 10s
Best Surf 4PM (Sun 18th Oct)6ft (1.8m) 13s
Most Powerful 7AM (Fri 16th Oct)11ft (3.5m) 8s

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


Short Range Forecast

Heavy rain (total 20mm), heaviest during Thu night. Very mild (max 10°C on Wed night, min 6°C on Thu night). Winds decreasing (strong winds from the SSW on Thu night, light winds from the S by Sat afternoon).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 18°C on Sun afternoon, min 8°C on Sat night). Wind will be generally light.

Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
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
0
0
0
0
1
2
1
3
3
4
4
3
4
3
4
4
2
2
3
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SSE
7
1.6
SSE
7
3
S
8
3.5
S
9
2.5
S
8
2.4
S
10
2.1
S
11
1.9
S
11
1.8
S
10
1.9
S
12
1.8
S
13
1.7
SSW
13
1.9
SSW
13
1.9
SSW
13
1.4
SSW
13
1.6
S
16
1.7
S
16
1.6
SSW
12
1.7
SSW
12
1.5
S
11
1.3
S
11
Wave Graph
Metric surfscale
Energy kJ
113
276
1395
1622
898
1057
974
798
676
1134
1053
1042
1121
1288
585
1347
1452
636
805
545
418
Wind (km/h)
15
SSW
25
SSW
40
SSW
35
SSW
30
SSW
20
SSW
15
WSW
15
SSW
5
NW
10
W
0
NNW
10
NNE
10
W
5
ESE
10
NNE
5
N
10
ENE
15
NW
10
WNW
15
ESE
5
W
Wind State
on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
glassy
cross-on
glassy
cross-off
cross-on
glassy
cross-off
cross-off
off
cross
cross
cross-off
cross-on
High Tide
7:37AM1.75m
8:00PM1.61m
8:29AM1.70m
8:54PM1.56m
9:24AM1.65m
9:50PM1.52m
10:20AM1.63m
10:45PM1.51m
11:13AM1.63m
11:36PM1.52m
12:02PM1.64m
00:23AM1.55m
12:46PM1.67m
1:05AM1.60m
Low Tide
2:00PM0.44m
2:15AM0.44m
2:52PM0.49m
3:07AM0.48m
3:44PM0.52m
3:58AM0.50m
4:35PM0.52m
4:48AM0.50m
5:23PM0.50m
5:35AM0.47m
6:08PM0.47m
6:20AM0.42m
6:50PM0.42m
cloud
light rain
mod rain
light rain
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
—
—
6:35
—
—
6:35
—
—
6:33
—
—
6:31
—
—
6:30
—
—
6:28
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:51
—
—
7:52
—
—
7:53
—
—
7:54
—
—
7:55
—
—
7:58
—
—
7:59
—
 mm
—
4
9
2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
10
9
8
9
9
8
10
10
10
16
18
15
17
16
10
16
18
16
20
18
12
Feels °C
7
4
-1
1
1
2
6
6
7
13
16
12
15
14
8
15
16
13
17
14
11
  • 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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