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 pm 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
12.7°C
2.5° 

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 21 Oct 2026:

  • Best quality surf: Friday 23 Oct, 10PM (local time) - 4ft (1.2m), 13s period, S swell with offshore winds.
  • Most powerful swell: Tuesday 27 Oct, 4PM (local time) - 7ft (2.2m), 8s period, SSW swell with 555 kJ wave energy.
  • Next surfable swell (1★+): Thursday 22 Oct, 1AM (local time) - 3.5ft (1.1m), 13s period with SSW 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 Thursday (Oct 22) at 1AM. The primary swell is predicted to be 1.1m and 13s period with a secondary swell of 0.1m and 11s. 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 2.2m 8s and forecast to arrive on Tuesday (Oct 27) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 6s period and expected on Monday (Oct 26) at 10PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Thu 22nd Oct)3.5ft (1.1m) 13s
Best Surf10PM (Fri 23rd Oct)4ft (1.2m) 13s
Most Powerful 4PM (Tue 27th Oct)7ft (2.2m) 8s

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 morning, min 10°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 22°C on Mon morning, min 11°C on Tue morning). Winds increasing (calm on Sun morning, strong winds from the NNW by Mon night).

Wed
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
2
0
1
1
1
2
2
0
1
0
1
2
0
0
0
0
0
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
SSW
12
1.1
SSW
13
0.8
SSW
9
0.8
SSW
9
0.7
SSW
12
1
SSW
7
0.6
S
14
1.1
S
13
0.9
SSW
10
0.9
S
9
0.5
SSW
14
0.8
SSW
17
0.7
S
16
0.5
S
14
0.5
SSW
14
0.4
SSW
11
0.3
SSW
10
1
W
4
2.2
SSW
8
1.7
S
9
Wave Graph
Metric surfscale
Energy kJ
532
418
103
106
145
102
153
427
170
142
115
399
248
107
111
40
18
38
555
455
Wind (km/h)
10
ENE
10
NE
10
WNW
5
SSE
0
NNW
10
ENE
10
NE
10
NE
15
WNW
5
WSW
15
WNW
10
WNW
10
E
15
NW
15
NNW
35
NNW
35
N
20
SSE
10
SE
10
NE
Wind State
cross-off
off
cross
glassy
glassy
off
off
off
cross-on
cross-on
cross
cross
cross-off
cross
cross-off
cross-off
cross-off
cross
cross-off
off
High Tide
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
4:43AM1.98m
5:05PM1.88m
Low Tide
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
10:59AM0.16m
11:18PM0.13m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
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6:26
—
—
6:24
—
—
6:22
—
—
6:22
—
—
6:20
—
—
6:18
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:59
—
—
8:00
—
—
8:01
—
—
8:02
—
—
8:04
—
—
8:05
—
—
8:07
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
19
13
20
20
13
15
16
16
19
21
18
20
20
17
22
22
18
12
10
9
Feels °C
15
9
18
18
11
12
14
14
17
20
16
18
17
14
17
16
9
8
7
6
  • 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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