Banks Peninsula - Magnet Bay surf break

Banks Peninsula - Magnet Bay surfForecast / Canterbury / New Zealand

information circle12 Day Weather and Surf, issued 12 pm Saturday 31 Jan 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
16.8° C
(Which is 2.1°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 Saturday (Jan 31) at 7PM. The primary swell is predicted to be 0.9m and 9s period with a secondary swell of 0.5m and 14s. 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 3.0m 8s and forecast to arrive on Tuesday (Feb 03) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Monday (Feb 02) at 4AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Sat 31st Jan)3ft (0.9m) 9s
Best Surf10PM (Sat 31st Jan)3.5ft (1.1m) 15s
Most Powerful 4PM (Tue 3rd Feb)10ft (3.0m) 8s

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 2mm), mostly falling on Mon night. Warm (max 23°C on Mon afternoon, min 14°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Tue afternoon. Very mild (max 17°C on Thu afternoon, min 11°C on Tue afternoon). Winds decreasing (fresh winds from the S on Tue morning, calm by Wed morning).

Saturday
31
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
3
2
2
1
0
1
0
0
0
0
1
2
1
1
1
1
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1
S
1
S
1.2
SSW
1.1
SSW
0.9
SSW
0.6
SSW
0.9
ENE
0.9
ENE
1.3
S
2.3
S
3
SSW
1.5
SE
1.3
ESE
1
S
0.9
S
0.7
S
0.7
S
0.5
SSW
0.7
ENE
0.4
SSW
1.2
S
Period(s) (?)10914121110785788899910137145
Wave
Graph
(?)Metric surfscale
Energy kJ (?)184173596361206758981734601111277208165119749290436583
Wind
(km/h)
5
W
10
SE
10
E
5
NE
20
NE
20
NE
15
NW
10
ENE
20
SSE
25
S
35
SSW
20
SSW
5
SSW
10
ESE
10
NE
10
NE
20
NE
10
NNE
15
W
20
SSE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscrosscross-
off
offoffoffcrossoffcross-
on
cross-
on
ononcross-
on
cross-
off
offoffoffoffcross-
on
cross-
on
cross-
off
High Tide
/ height (m)
3:09PM
1.93
3:41AM
2.11
4:01PM
1.97
4:32AM
2.13
4:51PM
1.98
5:21AM
2.10
5:40PM
1.96
6:09AM
2.05
6:30PM
1.91
6:57AM
1.96
7:19PM
1.84
7:45AM
1.85
8:10PM
1.76
Low Tide
/ height (m)
9:19PM
0.03
9:56AM
0.12
10:13PM
-0.00
10:48AM
0.10
11:05PM
-0.00
11:38AM
0.10
11:56PM
0.03
12:28PM
0.12
12:46AM
0.10
1:17PM
0.17
1:37AM
0.19
2:06PM
0.24
2:28AM
0.29
Saturday
31
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Sunrise6:24--6:26--6:28--6:28--6:31--6:31--6:33--
Sunset-8:57--8:55--8:54--8:53--8:52--8:51--8:50-
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
rain showers
rain showers
heavy rain
rain showers
clear
clear
clear
part cloud
cloud
clear
clear
part cloud
cloud
Rain (mm)
--------29161---------
Temp. °C171815171816222319151212141511161716181715
Feels °C (?)161714141413202118115513138131315151414
  • 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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