Banks Peninsula - Magnet Bay surf break

Banks Peninsula - Magnet Bay surfForecast / Canterbury / New Zealand

information circle12 Day Weather and Surf, issued 6 pm Sunday 28 Dec 2025 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
16.6° C
(Which is 3.1°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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 29) at 7AM. The primary swell is predicted to be 0.6m and 9s period with a secondary swell of 0.3m and 4s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 12 days are 2.2m 10s and forecast to arrive on Wednesday (Dec 31) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Tuesday (Dec 30) at 4PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Mon 29th Dec)2ft (0.6m) 9s
Best Surf 1AM (Wed 31st Dec)6ft (1.8m) 9s
Most Powerful 7AM (Wed 31st Dec)7ft (2.2m) 10s

Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 23mm), heaviest during Tue afternoon. Very mild (max 15°C on Sun afternoon, min 11°C on Tue afternoon). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Wed night. Very mild (max 17°C on Thu morning, min 12°C on Fri night). Wind will be generally light.

Sun
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
1
0
0
0
0
3
2
3
2
0
0
0
0
0
0
0
0
1
2
Swell
Height Map
Wave Height (m) & direction (?)
0.2
SSW
0.4
SSE
0.6
SSE
0.6
SSE
0.8
SSE
0.6
SSW
0.7
SSW
1.8
E
2
E
1.7
E
1.5
E
1.5
ESE
1.1
E
0.7
E
1.5
S
1.5
S
1.7
SSW
1.6
SSW
1.5
S
1.2
S
1.2
SSE
Period(s) (?)12988878910998886667777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1532575367376354475548635129116969170167226254238147121
Wind
(km/h)
10
SE
5
ENE
5
SE
10
SE
10
SE
20
ESE
15
SE
15
SE
15
WSW
5
SSW
10
NE
15
WSW
15
SSW
20
SSW
20
SSW
15
SSW
15
SW
15
SSW
10
S
10
ENE
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossglassglasscrosscrosscross-
off
crosscross-
off
onglassoffonononcross-
on
ononcross-
on
cross-
on
cross-
off
off
High Tide
/ height (m)
11:03PM
1.69
11:29AM
1.73
12:03AM
1.78
12:28PM
1.77
1:03AM
1.88
1:27PM
1.82
2:02AM
1.99
2:25PM
1.89
2:59AM
2.08
3:20PM
1.95
3:54AM
2.15
4:15PM
1.99
4:48AM
2.18
Low Tide
/ height (m)
4:55PM
0.32
5:20AM
0.32
5:47PM
0.26
6:17AM
0.28
6:42PM
0.20
7:16AM
0.23
7:38PM
0.13
8:15AM
0.18
8:34PM
0.07
9:13AM
0.14
9:31PM
0.01
10:11AM
0.10
10:28PM
-0.02
11:07AM
0.08
Sun
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunrise--5:46--5:47--5:48--5:48--5:50--5:50--5:52
Sunset9:13--9:13--9:13--9:13--9:13--9:14--9:14--
rain showers
clear
part cloud
part cloud
part cloud
light rain
heavy rain
mod rain
part cloud
part cloud
light rain
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
1----1147--3----------
Temp. °C151315151212121215161517171514141314141214
Feels °C (?)1312141310891013151615151310101012121011
  • 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 12 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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