Banks Peninsula - Magnet Bay Surf Break

Lat Long: 43.87° S 172.80° E

Banks Peninsula - Magnet Bay Surf Forecast and Surf Report

Issued: 11 pm 08 Aug 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
9.8° C
0.9° 

Banks Peninsula - Magnet Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Banks Peninsula - Magnet Bay surf forecast from 8 Aug 2026:

  • Best quality surf: Friday 14 Aug, 12AM (local time) - 7ft (2.2m), 8s period, ENE swell with offshore winds.
  • Most powerful swell: Sunday 16 Aug, 3AM (local time) - 10ft (3.0m), 8s period, SSW swell with 1,016 kJ wave energy.
  • Next surfable swell (1★+): Sunday 9 Aug, 3AM (local time) - 3ft (0.9m), 9s period with SSE swell.

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 Sunday (Aug 09) at 3AM. The primary swell is predicted to be 0.9m and 9s period with a secondary swell of 0.9m and 5s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 3.0m 8s and forecast to arrive on Sunday (Aug 16) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 8s period and expected on Wednesday (Aug 12) at 9PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sun 9th Aug)3ft (0.9m) 9s
Best Surf12AM (Fri 14th Aug)7ft (2.2m) 8s
Most Powerful 3AM (Sun 16th Aug)10ft (3.0m) 8s

Table - best surf conditions forecast for Banks Peninsula - Magnet Bay over the next 16 days.


Short Range Forecast

Light rain (total 9mm), mostly falling on Sun night. Very mild (max 12°C on Sun afternoon, min 6°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the SW by Mon morning).

Days 5-7 Weather Summary

Light rain (total 8mm), mostly falling on Fri afternoon. Very mild (max 14°C on Thu morning, min 9°C on Tue night). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
1
0
0
0
1
2
1
0
1
1
2
3
3
4
2
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
S
10
0.8
SSE
9
0.7
SSE
9
0.8
SSE
9
1.6
SW
6
0.9
SSE
8
1.7
SSE
8
1.2
SE
8
1.1
SE
7
0.6
SE
7
1
E
8
1
E
8
1.5
ENE
8
1.7
ENE
8
1.7
ENE
8
2.2
ENE
8
1.4
E
8
1.4
E
8
1.3
E
9
Wave Graph
Metric surfscale
Energy kJ
184
110
88
96
177
111
365
169
121
37
115
124
257
345
355
666
264
279
264
Wind (km/h)
10
ENE
5
NNE
5
E
15
WSW
30
SW
20
SSW
5
S
10
NE
15
NE
25
NE
20
NE
10
NE
10
NE
10
NE
15
NE
10
NNE
10
NNE
10
WSW
20
SW
Wind State
off
glassy
glassy
cross-on
on
cross-on
cross-on
off
off
off
off
off
off
off
off
off
cross-off
cross-on
on
High Tide
11:41PM1.76m
12:18PM1.94m
00:41AM1.84m
1:16PM2.04m
1:37AM1.92m
2:10PM2.11m
2:30AM1.98m
3:02PM2.15m
3:22AM2.02m
3:53PM2.14m
4:13AM2.02m
4:42PM2.10m
Low Tide
5:52AM0.19m
6:31PM0.24m
6:50AM0.11m
7:28PM0.17m
7:46AM0.03m
8:23PM0.11m
8:41AM-0.03m
9:17PM0.06m
9:35AM-0.05m
10:09PM0.04m
10:28AM-0.03m
11:00PM0.06m
light rain
cloud
part cloud
rain showers
light rain
light rain
clear
clear
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
light rain
cloud
mod rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:33
7:31
7:30
7:28
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:36
5:37
5:37
5:38
5:39
5:40
 mm
1
5
2
1
1
7
2
Temp °C
9
11
12
9
9
9
7
9
10
9
11
11
11
14
14
12
11
11
10
Feels °C
5
10
11
7
2
4
4
6
6
3
8
8
8
11
11
10
10
9
6
  • Map Icons:
  • Break
  • 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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