Banks Peninsula - Magnet Bay Surf Break

Lat Long: 43.87° S 172.80° E

Banks Peninsula - Magnet Bay Surf Forecast and Surf Report

Issued: 11 am 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
10.8°C
1.9° 

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 1 Sep 2026:

  • Best quality surf: Tuesday 1 Sep, 3PM (local time) - 11ft (3.5m), 13s period, S swell with glassy winds.
  • Most powerful swell: Monday 7 Sep, 12PM (local time) - 16ft (5.0m), 11s period, SSW swell with 6,070 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 1 Sep, 3PM (local time) - 11ft (3.5m), 13s 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 (Sep 01) at 3PM. The primary swell is predicted to be 3.5m and 13s 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 5.0m 11s and forecast to arrive on Monday (Sep 07) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 5s period and expected on Friday (Sep 04) at 9AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Tue 1st Sep)11ft (3.5m) 13s
Best Surf 3PM (Tue 1st Sep)11ft (3.5m) 13s
Most Powerful12PM (Mon 7th Sep)16ft (5.0m) 11s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Thu afternoon, min 7°C on Tue morning). Winds increasing (calm on Tue afternoon, fresh winds from the N by Thu night).

Days 4-6 Weather Summary

Light rain (total 7mm), mostly falling on Sun night. Very mild (max 16°C on Sun afternoon, min 7°C on Sun night). Winds increasing (light winds from the NNW on Fri night, strong winds from the SSW by Sun night).

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
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
!
!
!
3
3
2
1
0
0
0
2
1
2
0
1
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)
4.5
SSW
12
3.5
S
13
3
S
13
3
S
14
2.3
S
13
1.6
S
12
1.2
S
11
1.1
S
11
0.7
S
9
0.4
SSW
16
0.4
SSW
15
1.4
SW
8
1.4
SSW
9
1.2
SSW
9
0.5
S
17
0.6
S
17
0.7
SSW
16
0.5
S
16
5
SSW
10
5
SSW
11
3.5
S
11
Wave Graph
Metric surfscale
Energy kJ
5943
4443
2668
3160
1766
714
345
275
80
81
74
226
301
227
140
210
283
127
4382
5638
2910
Wind (km/h)
30
SW
5
NW
15
NW
10
NW
25
NW
15
NNW
10
NW
5
NW
25
N
35
NW
40
WNW
10
NNW
15
NW
15
NNW
30
N
25
NNE
20
NW
50
SSW
30
SW
25
SSW
5
WNW
Wind State
on
glassy
cross
cross
cross-off
cross-off
cross-off
cross
cross-off
cross
cross-on
cross-off
cross
cross-off
cross-off
cross-off
cross
on
on
cross-on
glassy
High Tide
6:28PM1.75m
6:55AM1.78m
7:21PM1.71m
7:53AM1.78m
8:19PM1.69m
8:56AM1.79m
9:23PM1.69m
10:03AM1.83m
10:29PM1.72m
11:07AM1.89m
11:32PM1.78m
12:07PM1.96m
00:30AM1.85m
Low Tide
12:27PM0.29m
00:51AM0.30m
1:22PM0.33m
1:45AM0.31m
2:20PM0.35m
2:43AM0.31m
3:21PM0.35m
3:43AM0.29m
4:23PM0.33m
4:43AM0.24m
5:23PM0.28m
5:42AM0.17m
6:20PM0.22m
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
part cloud
clear
part cloud
clear
part cloud
cloud
cloud
cloud
light rain
rain showers
rain showers
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:54
6:52
6:50
6:50
6:48
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:01
6:02
6:04
6:05
6:06
6:07
 mm
1
6
3
Temp °C
8
10
8
12
15
13
17
18
15
14
13
9
14
15
13
14
16
8
7
9
7
Feels °C
2
7
3
8
9
9
14
16
8
7
4
5
10
11
3
10
12
-3
0
2
4
  • 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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