Banks Peninsula - Magnet Bay surf break

Banks Peninsula - Magnet Bay surfForecast / Canterbury / New Zealand

information circle12 Day Weather and Surf, issued 6 pm Saturday 06 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
15.6° C
(Which is 3.3°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 Sunday (Dec 07) at 1AM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 0.9m and 5s. 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 12 days are 0.9m 12s and forecast to arrive on Sunday (Dec 07) at 1AM. 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 5s period and expected on Monday (Dec 08) at 1AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 7th Dec)3ft (0.9m) 12s
Best Surf 1AM (Sun 7th Dec)3ft (0.9m) 12s
Most Powerful 1AM (Sun 7th Dec)3ft (0.9m) 12s

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 Light rain (total 3mm), mostly falling on Mon morning. Warm (max 26°C on Sun morning, min 12°C on Mon night). Winds decreasing (strong winds from the NNW on Sun night, calm by Mon night).

Days 3-6 Weather Summary Heavy rain (total 22mm), heaviest during Thu night. Warm (max 20°C on Tue afternoon, min 11°C on Thu night). Winds increasing (light winds from the NNE on Tue night, fresh winds from the SSW by Fri morning).

Sat
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
2
0
0
0
0
0
1
1
1
1
0
0
1
1
1
0
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SSW
0.9
SSW
0.8
SSW
0.7
S
0.5
S
0.6
S
0.8
S
0.8
SSW
0.6
SSW
0.5
SE
0.6
SSE
0.5
E
0.6
E
1.2
S
0.5
E
0.3
SSW
0.3
E
0.9
SSW
1.7
SSW
1.1
SSW
0.9
SSW
Period(s) (?)121298884771110131361216114777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4592501066935502662416373881171027148212824011879
Wind
(km/h)
25
NE
5
N
20
NNW
20
NNW
45
NNW
25
SSE
15
E
10
NE
5
SW
10
E
5
NNE
15
WNW
15
SSE
10
SE
10
E
15
E
10
SE
30
SSW
25
SSW
5
SW
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
offglasscross-
off
cross-
off
cross-
on
cross-
on
crosscross-
off
cross-
off
crosscross-
on
cross-
on
glasson
High Tide
/ height (m)
5:59AM
2.18
6:22PM
1.97
6:56AM
2.14
7:20PM
1.93
7:54AM
2.06
8:19PM
1.87
8:52AM
1.98
9:20PM
1.81
9:51AM
1.89
10:20PM
1.75
10:49AM
1.81
11:19PM
1.71
11:44AM
1.74
Low Tide
/ height (m)
11:41PM
-0.02
12:22PM
0.08
12:40AM
0.00
1:20PM
0.11
1:39AM
0.05
2:18PM
0.14
2:37AM
0.11
3:15PM
0.19
3:35AM
0.18
4:10PM
0.23
4:31AM
0.25
5:04PM
0.27
5:25AM
0.32
Sat
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Sunrise--5:39--5:39--5:39--5:39--5:39--5:39--5:39
Sunset8:58--8:59--9:00--9:00--9:01--9:02--9:04--
clear
part cloud
part cloud
clear
part cloud
light rain
part cloud
part cloud
clear
part cloud
part cloud
cloud
clear
cloud
cloud
part cloud
heavy rain
light rain
part cloud
part cloud
clear
Rain (mm)
-----3----------193---
Temp. °C162126262114141219201720191315151211121115
Feels °C (?)10182122131110818171416161112121056812
  • 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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