Banks Peninsula - Magnet Bay surf break

Banks Peninsula - Magnet Bay surfForecast / Canterbury / New Zealand

information circle16 Day Weather and Surf, issued 6 pm Sunday 22 Mar 2026 NZDT
Forecast update in hr  min  s Forecast update imminent
Banks Peninsula - Magnet Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Banks Peninsula - Magnet Bay sea temperature is
15.2° C
(Which is 1.7°C warmer than normal for this time of year)

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 (Mar 23) at 4AM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.4m and 9s. 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 4.5m 11s and forecast to arrive on Friday (Mar 27) at 7PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Thursday (Mar 26) at 1PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Mon 23rd Mar)3ft (0.9m) 10s
Best Surf 1AM (Fri 27th Mar)10ft (3.0m) 8s
Most Powerful 7PM (Fri 27th Mar)15ft (4.5m) 11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Thu night. Very mild (max 18°C on Sat morning, min 14°C on Wed afternoon). Winds increasing (calm on Wed afternoon, strong winds from the NE by Thu night).

Sun
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
2
2
2
1
0
0
0
0
0
2
1
0
!
!
!
!
3
1
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1
E
0.9
ESE
0.9
ESE
0.8
ESE
0.7
ESE
0.5
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.7
SSW
0.5
SSW
2
ENE
3
ENE
3
ENE
3
ENE
3.5
ENE
2.2
E
1.8
E
1.5
E
1.2
E
Period(s) (?)109101010991413121412781011111110109
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1961561371258347328167602048335012072047214831331102630405241
Wind
(km/h)
10
SE
5
ENE
5
NNE
15
NE
10
NE
10
W
10
SW
10
SW
10
SSW
10
SSW
10
NE
25
ENE
40
ENE
45
NE
35
NE
30
NE
20
NE
10
SW
15
SSW
15
SW
5
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossglassoffoffoffcross-
on
ononononoffoffoffoffoffoffoffonononglass
High Tide
/ height (m)
7:38AM
1.84
8:10PM
1.93
8:37AM
1.79
9:14PM
1.90
9:43AM
1.76
10:22PM
1.89
10:50AM
1.75
11:29PM
1.90
11:56AM
1.77
12:31AM
1.92
12:56PM
1.81
1:27AM
1.94
Low Tide
/ height (m)
1:37AM
0.19
2:00PM
0.18
2:38AM
0.24
3:00PM
0.21
3:41AM
0.27
4:02PM
0.22
4:44AM
0.28
5:05PM
0.22
5:45AM
0.27
6:05PM
0.20
6:43AM
0.24
7:03PM
0.17
7:38AM
0.21
Sun
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunrise--7:33--7:33--7:35--7:37--7:37--7:39--7:39
Sunset7:37--7:36--7:35--7:32--7:30--7:29--7:27--
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
mod rain
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
Rain (mm)
-----------1210-------
Temp. °C181416171417171414151515151616171718171315
Feels °C (?)16131514131616141314151191011131418161114
  • Map Icons:
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  • 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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