Banks Peninsula - Magnet Bay Surf Break

Banks Peninsula - Magnet Bay Surf Forecast and Surf Report

Lat Long: 43.87° S 172.80° E

Issued: 5 am 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
10.7° C

1.3°C warmer than normal for this time of year

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 4 Jul 2026:

  • Best quality surf: Wednesday 8 Jul, 12AM (local time) - 5ft (1.5m), 10s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Monday 6 Jul, 9PM (local time) - 13ft (4.0m), 9s period, S swell with 2,401 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 8 Jul, 12AM (local time) - 5ft (1.5m), 10s period with ENE 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 Wednesday (Jul 08) at 12AM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 1.3m and 7s. 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 16 days are 4.0m 9s and forecast to arrive on Monday (Jul 06) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 8s period and expected on Monday (Jul 06) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Wed 8th Jul)5ft (1.5m) 10s
Best Surf12AM (Wed 8th Jul)5ft (1.5m) 10s
Most Powerful 9PM (Mon 6th Jul)13ft (4.0m) 9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 17mm), heaviest on Mon morning. Very mild (max 11°C on Sun morning, min 6°C on Sun night). Winds decreasing (fresh winds from the SSE on Mon morning, calm by Tue night).

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Wed morning. Very mild (max 10°C on Wed morning, min 6°C on Thu night). Winds decreasing (fresh winds from the S on Wed night, light winds from the SSW by Fri night).

Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
0
0
3
2
0
0
0
0
1
2
2
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
ENE
10
1.2
ENE
10
1.7
SW
6
3
S
9
3.5
S
9
3.5
SSE
9
2.5
SSE
8
2
SSE
7
1.5
ENE
10
1.7
ENE
11
1.7
E
11
2.1
E
11
2.5
ESE
10
3
SE
10
2.3
ESE
11
2
ESE
10
1.8
ESE
10
1.7
E
10
1.5
E
10
1.6
ESE
10
1.3
ESE
10
Wave Graph
Metric surfscale
Energy kJ
260
276
223
1483
2065
1957
785
435
432
750
733
1009
1384
1584
1238
748
614
596
458
500
356
Wind (km/h)
10
WNW
30
SW
25
WSW
35
S
35
SSE
35
S
25
SSE
15
SSE
5
ESE
15
SSE
25
SSE
35
S
30
S
25
S
15
SSW
10
SSW
15
SSW
20
WSW
15
S
15
S
10
SW
Wind State
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
on
High Tide
7:29PM1.69m
7:49AM1.58m
8:13PM1.67m
8:37AM1.60m
9:02PM1.66m
9:31AM1.64m
9:56PM1.67m
10:30AM1.71m
10:55PM1.70m
11:30AM1.81m
11:54PM1.76m
12:30PM1.92m
00:53AM1.83m
Low Tide
1:22PM0.38m
1:55AM0.41m
2:09PM0.39m
2:40AM0.40m
2:58PM0.39m
3:27AM0.37m
3:51PM0.37m
4:17AM0.33m
4:47PM0.34m
5:10AM0.27m
5:44PM0.30m
6:06AM0.20m
6:43PM0.24m
part cloud
cloud
light rain
light rain
light rain
mod rain
light rain
light rain
cloud
light rain
light rain
light rain
cloud
cloud
part cloud
part cloud
part cloud
light rain
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:03
8:02
8:02
8:02
8:00
8:00
8:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:02
5:04
5:04
5:05
5:06
5:07
5:07
 mm
1
4
2
6
3
1
1
2
1
1
Temp °C
11
8
9
9
8
9
10
10
10
10
10
9
8
7
7
7
7
7
7
7
7
Feels °C
8
2
3
2
0
3
6
7
8
6
5
2
1
0
2
3
3
3
2
3
4
Swell 1
Height (m)
Direction
Period (s)
1.1
ENE
10
1.2
ENE
10
0.9
ENE
10
0.7
ENE
9
0.6
E
9
0.5
E
10
1.1
ENE
9
1.2
ENE
9
1.5
ENE
10
1.7
ENE
11
1.7
E
11
2.1
E
11
2.5
ESE
10
0.5
S
19
2.3
ESE
11
2
ESE
10
1.8
ESE
10
1.7
E
10
1.5
E
10
1.6
ESE
10
1.3
ESE
10
Energy kJ
260
276
163
92
64
47
216
254
432
750
733
1009
1384
186
1146
748
614
596
458
500
356
Swell 2
Height (m)
Direction
Period (s)
0.3
NE
9
0.2
SSW
15
0.2
S
20
0.7
SSW
18
0.6
ENE
8
0.8
ENE
9
0.6
S
15
0.7
SSW
14
1.3
SSE
7
0.7
SSW
12
0.6
SSW
12
0.8
SSW
16
0.9
SSW
13
1
SSW
12
1.5
SSW
16
1.1
SSW
16
1
SSW
16
0.8
SSW
10
0.7
S
18
0.6
S
16
0.8
SSW
16
Energy kJ
13
22
32
326
47
92
159
210
150
152
121
284
317
283
1238
620
513
133
304
186
333
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
16
0.4
SW
15
0.2
SSW
13
0.5
E
10
0.6
E
10
0.4
E
10
0.2
SSW
9
0.8
SSW
13
0.2
S
19
0.4
S
17
0.3
SSW
20
0.5
S
19
0.5
S
14
0.6
S
8
0.6
SSW
13
0.2
S
8
Energy kJ
25
54
18
49
68
29
8
222
28
95
79
184
106
43
133
6
Wind waves
Height (m)
Direction
Period (s)
0.2
WSW
3
0.4
SW
3
1.7
SW
6
3
S
9
3.5
S
9
3.5
SSE
9
2.5
SSE
8
2
SSE
7
0.9
SE
6
1.1
SE
5
2.2
S
7
1.4
SSW
7
3
SE
10
0.8
SSW
4
0.6
S
9
0.9
S
5
Energy kJ
1
3
223
1483
2065
1957
785
435
64
55
453
180
1584
23
56
46
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
5
4
2
3
3
4
2
4
4
2
4
3
3
3
3
3
2
Distance (km)
4
30
28
33
206
206
33
30
0
30
33
206
206
33
30
28
30
28
28
28
28
Best forecast wave conditions in Canterbury
Rating
(10 max)
3
2
2
1
2
3
4
4
2
2
4
4
4
4
3
3
3
Best forecast wave conditions in New Zealand
Rating
(10 max)
4
4
5
5
5
5
4
4
4
4
3
4
4
5
5
5
4
4
5
4
4
Header Global
Rating
(10 max)
5
9
7
5
5
8
7
5
5
9
8
9
9
6
6
5
5
4
6
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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