Banks Peninsula - Magnet Bay surf break

Banks Peninsula - Magnet Bay surfForecast / Canterbury / New Zealand

information circle16 Day Weather and Surf, issued 12 pm Wednesday 25 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
15.9° C
(Which is 2.5°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 Wednesday (Mar 25) at 10PM. The primary swell is predicted to be 0.5m and 14s period with a secondary swell of 0.4m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 3.5m 13s and forecast to arrive on Tuesday (Mar 31) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Thursday (Mar 26) at 10AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 25th Mar)1.5ft (0.5m) 14s
Best Surf 7PM (Thu 26th Mar)10ft (3.0m) 8s
Most Powerful 7PM (Tue 31st Mar)11ft (3.5m) 13s

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 Light rain (total 8mm), mostly falling on Thu afternoon. Warm (max 21°C on Fri night, min 13°C on Wed morning). Winds increasing (calm on Wed afternoon, strong winds from the NE by Thu afternoon).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Mon afternoon. Warm (max 21°C on Sun afternoon, min 10°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the SSW by Mon night).

Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
0
1
!
!
!
2
1
1
2
2
2
2
0
2
0
4
4
4
Swell
Height Map
Wave Height (m) & direction (?)
0.4
ESE
0.4
SSW
0.5
SSW
0.4
SSW
2.5
ENE
3.5
ENE
3.5
ENE
3.5
ENE
2.1
E
1.5
E
1.3
E
0.8
ESE
1
ESE
1.2
ESE
1.1
ESE
1
ESE
0.8
SSW
2.2
SSW
2.5
SSW
2.5
SSW
2.5
SSW
Period(s) (?)131413127910111110910121212111610111312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)676999506571801240725671007423281131313380317239346862175121571944
Wind
(km/h)
10
SW
5
SW
10
NE
30
NE
40
NE
45
NE
40
NE
25
NE
35
N
10
WSW
10
SE
10
ENE
10
NE
15
NNE
5
NE
15
SW
10
S
30
SSW
10
NNW
10
ESE
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononoffoffoffoffoffoffcross-
off
oncrossoffoffcross-
off
glassoncross-
on
oncross-
off
cross-
off
off
High Tide
/ height (m)
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
1:50PM
1.85
2:18AM
1.95
2:39PM
1.88
3:04AM
1.95
3:25PM
1.89
3:48AM
1.93
Low Tide
/ height (m)
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
7:56PM
0.15
8:28AM
0.18
8:46PM
0.14
9:15AM
0.17
9:34PM
0.14
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Sunrise7:35--7:37--7:37--7:39--7:39--7:41--7:43--
Sunset-7:32--7:30--7:29--7:27--7:25--7:23--7:22-
part cloud
part cloud
cloud
light rain
light rain
light rain
cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
rain showers
rain showers
clear
clear
clear
Rain (mm)
---152----------11---
Temp. °C151615161516172021181815182120161512141411
Feels °C (?)14161412881214161717141918161413411118
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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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