Banks Peninsula - Magnet Bay Surf Break

Lat Long: 43.87° S 172.80° E

Banks Peninsula - Magnet Bay Surf Forecast and Surf Report

Issued: 5 am 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
10.9°C
1.8° 

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 6 Sep 2026:

  • Best quality surf: Saturday 12 Sep, 3AM (local time) - 13ft (4.0m), 9s period, SSW swell with onshore winds.
  • Most powerful swell: Saturday 12 Sep, 3PM (local time) - 13ft (4.0m), 15s period, SSW swell with 7,515 kJ wave energy.
  • Next surfable swell (1★+): Monday 7 Sep, 12PM (local time) - 3.5ft (1.0m), 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 Monday (Sep 07) at 12PM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.4m and 6s. 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 4.0m 15s and forecast to arrive on Saturday (Sep 12) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 8s period and expected on Wednesday (Sep 09) at 9PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Mon 7th Sep)3.5ft (1.0m) 10s
Best Surf 3AM (Sat 12th Sep)13ft (4.0m) 9s
Most Powerful 3PM (Sat 12th Sep)13ft (4.0m) 15s

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


Short Range Forecast

Mostly dry. Very mild (max 11°C on Wed afternoon, min 6°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 16mm), heaviest on Thu morning. Very mild (max 12°C on Fri afternoon, min 4°C on Thu night). Winds increasing (calm on Fri afternoon, strong winds from the SW by Sat afternoon).

Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
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
2
1
1
1
0
1
2
2
0
0
0
3
3
2
!
0
0
4
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SSW
10
1
S
9
0.9
SSW
9
0.7
S
9
0.7
S
8
0.6
S
8
0.8
ENE
9
1
ENE
9
1
E
8
0.7
SSW
14
0.6
SSW
14
0.9
SSW
18
1
S
18
0.9
SSW
17
2.2
SSW
7
3.5
SSW
10
4
SSW
15
3
S
15
2.3
S
13
2.1
S
13
2
S
12
Wave Graph
Metric surfscale
Energy kJ
197
180
147
74
66
48
88
154
144
201
165
546
639
528
444
2394
7515
4350
1894
1491
1233
Wind (km/h)
5
SE
10
E
15
NE
5
N
5
ESE
10
WNW
10
NNE
15
NE
10
NNW
20
SSE
15
SW
20
SW
15
N
5
WNW
5
SW
20
W
45
SW
35
SSW
15
N
10
W
10
N
Wind State
cross
cross-off
off
glassy
glassy
cross-on
cross-off
off
cross-off
cross-on
on
on
cross-off
glassy
glassy
cross-on
on
on
cross-off
cross-on
cross-off
High Tide
12:07PM1.96m
00:30AM1.85m
1:03PM2.02m
1:24AM1.92m
1:54PM2.06m
2:14AM1.97m
2:43PM2.07m
3:03AM1.99m
3:30PM2.05m
3:51AM1.98m
4:16PM1.99m
4:39AM1.95m
5:03PM1.92m
Low Tide
6:20PM0.22m
6:38AM0.10m
7:14PM0.15m
7:32AM0.04m
8:05PM0.10m
8:24AM0.01m
8:55PM0.07m
9:15AM0.02m
9:44PM0.08m
10:05AM0.06m
10:31PM0.11m
10:55AM0.12m
11:19PM0.17m
cloud
clear
part cloud
cloud
cloud
part cloud
clear
clear
cloud
mod rain
rain showers
rain showers
cloud
part cloud
rain showers
rain showers
clear
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:46
6:43
6:41
6:41
6:39
6:37
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:08
6:09
6:10
6:12
6:13
6:14
 mm
6
3
1
5
1
Temp °C
8
8
8
9
9
8
10
11
10
6
7
6
9
12
8
8
8
7
11
13
10
Feels °C
6
5
3
8
7
6
6
7
7
1
2
0
4
9
5
2
-3
-3
7
10
7
  • 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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