Banks Peninsula - Magnet Bay surf break

Banks Peninsula - Magnet Bay surfForecast / Canterbury / New Zealand

information circle12 Day Weather and Surf, issued 6 pm Wednesday 03 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 Thursday (Dec 04) at 7PM. The primary swell is predicted to be 1.5m and 9s period with a secondary swell of 0.4m and 9s. 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 1.6m 12s and forecast to arrive on Saturday (Dec 06) 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 1.6m 5s period and expected on Monday (Dec 08) at 4AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Thu 4th Dec)5ft (1.5m) 9s
Best Surf 7AM (Sat 6th Dec)4.5ft (1.3m) 10s
Most Powerful 7PM (Sat 6th Dec)5ft (1.6m) 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 Mostly dry. Warm (max 25°C on Fri afternoon, min 10°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Mon morning. Warm (max 26°C on Sun afternoon, min 12°C on Sat night). Winds decreasing (strong winds from the NNW on Sun night, light winds from the SW by Tue morning).

Wed
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
0
0
1
2
2
0
1
2
2
2
1
0
0
0
1
1
0
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.5
E
0.9
ESE
1.2
ESE
1.5
ESE
1.3
ESE
1.3
ESE
1
ESE
0.8
ESE
1.3
SSW
1.6
SSW
1.3
SSW
0.8
SSW
0.6
S
0.3
SSW
1.7
SSE
1.2
S
0.4
SSE
0.7
SE
0.7
SSE
0.4
SSE
0.4
SE
Period(s) (?)10699999991212887661211111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)48562273442992721841082456924449246111739458121993831
Wind
(km/h)
15
ESE
10
S
15
SW
10
SSW
5
NNE
15
NNW
20
WNW
15
SE
10
SE
20
ENE
15
NE
15
N
20
NW
45
NNW
20
SSE
10
E
15
NE
10
W
15
ENE
15
WNW
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
on
oncross-
on
cross-
off
cross-
off
cross-
on
cross-
off
cross-
off
cross-
off
offcross-
off
crosscross-
off
crosscross-
off
offcross-
on
cross-
off
crosscross-
off
High Tide
/ height (m)
3:11AM
2.09
3:34PM
1.97
4:07AM
2.16
4:29PM
1.99
5:03AM
2.19
5:25PM
2.00
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
Low Tide
/ height (m)
8:49PM
0.05
9:26AM
0.09
9:45PM
-0.00
10:24AM
0.07
10:42PM
-0.02
11:23AM
0.07
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
Wed
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Sunrise--5:41--5:39--5:39--5:39--5:39--5:39--5:39
Sunset8:54--8:55--8:57--8:58--8:59--9:00--9:00--
cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
part cloud
clear
part cloud
light rain
part cloud
part cloud
clear
part cloud
part cloud
clear
Rain (mm)
--------------2------
Temp. °C131114141324252115151825262012141420232124
Feels °C (?)1081111122021161211162121128121317221921
  • 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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