Banks Peninsula - Magnet Bay surf break

Banks Peninsula - Magnet Bay surfForecast / Canterbury / New Zealand

information circle16 Day Weather and Surf, issued 5 am Saturday 16 May 2026 NZST
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
13.1° C
(Which is 2.2°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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 16) at 9AM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 0.3m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Banks Peninsula - Magnet Bay in the next 16 days are 1.3m 11s and forecast to arrive on Saturday (May 16) at 9AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Friday (May 22) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sat 16th May)4.5ft (1.3m) 11s
Best Surf 9AM (Sat 16th May)4.5ft (1.3m) 11s
Most Powerful 9AM (Sat 16th May)4.5ft (1.3m) 11s

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

Mostly dry. Very mild (max 10°C on Mon afternoon, min 7°C on Sat morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 15°C on Thu afternoon, min 8°C on Tue morning). Wind will be generally light.

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
2
2
2
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
S
11
1.2
S
10
1
S
10
1
S
10
0.8
S
9
0.7
S
8
0.4
SSW
12
0.4
SSW
12
0.6
S
9
0.5
S
8
0.4
SSE
8
0.3
SSE
10
0.2
ENE
10
0.2
ENE
9
0.2
S
12
0.4
ENE
8
0.4
S
9
0.3
SSE
9
0.3
SSE
9
0.3
ENE
6
0.2
SSW
14
Wave Graph
Metric surfscale
Energy kJ
396
308
198
181
99
68
50
56
57
34
21
18
9
8
11
24
27
15
15
8
20
Wind (km/h)
5
ESE
10
E
10
NE
10
NNE
5
ENE
10
NE
10
NNE
5
ENE
5
NNE
0
NNW
0
SE
0
NW
5
NE
5
NE
5
N
10
NW
5
NNW
10
NNW
10
N
5
NW
5
NE
glassy
cross-off
off
off
off
off
off
glassy
off
glassy
glassy
glassy
off
off
glassy
cross
cross-off
cross-off
cross-off
glassy
glassy
High Tide
2:56PM2.06m
3:19AM1.95m
3:50PM2.12m
4:13AM1.97m
4:46PM2.15m
5:09AM1.96m
5:44PM2.14m
6:08AM1.94m
6:43PM2.10m
7:09AM1.90m
7:45PM2.04m
8:12AM1.86m
8:47PM1.98m
Low Tide
9:11PM0.10m
9:31AM0.03m
10:09PM0.09m
10:28AM0.01m
11:09PM0.09m
11:27AM0.02m
00:09AM0.11m
12:28PM0.03m
1:09AM0.13m
1:29PM0.06m
2:09AM0.15m
2:29PM0.10m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:37
7:37
7:39
7:39
7:41
7:41
7:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:12
5:10
5:09
5:08
5:07
5:07
5:06
Temp °C
8
9
7
9
9
8
9
10
8
10
10
8
11
12
10
14
15
12
15
17
11
6
7
4
7
7
5
7
9
6
9
9
7
9
9
7
10
12
9
12
15
10
Swell 1
Height (m)
Direction
Period (s)
1.3
S
11
1.2
S
10
1
S
10
1
S
10
0.8
S
9
0.7
S
8
0.6
S
8
0.5
S
9
0.6
S
9
0.5
S
8
0.4
SSE
8
0.3
SSE
10
0.2
ENE
10
0.2
ENE
9
0.3
NE
4
0.4
ENE
8
0.4
S
9
0.3
SSE
9
0.3
SSE
9
0.3
ENE
6
0.4
NE
5
Energy kJ
396
308
198
181
99
68
50
42
57
34
21
18
9
8
2
24
27
15
15
8
10
Swell 2
Height (m)
Direction
Period (s)
0.3
ENE
10
0.3
ENE
12
0.4
SSW
17
0.5
S
16
0.4
SSW
16
0.3
ENE
10
0.4
SSW
12
0.4
SSW
12
0.3
ENE
9
0.2
ENE
9
0.2
SSW
15
0.2
ENE
10
0.1
SW
14
0.1
S
14
0.2
S
12
0.3
S
10
0.3
ENE
5
0.2
ENE
5
0.1
S
16
0.2
SSE
8
0.2
SSW
14
Energy kJ
22
26
100
137
83
20
47
56
17
8
21
10
8
4
11
18
6
3
5
7
20
Swell 3
Height (m)
Direction
Period (s)
0.1
S
21
0.2
S
19
0.3
ENE
11
0.3
ENE
11
0.3
ENE
11
0.3
SSW
14
0.3
ENE
10
0.3
ENE
10
0.2
S
16
0.2
SSW
14
0.2
SSE
11
0.2
SSW
14
0.1
SE
9
0.1
NE
6
0.2
E
9
0.1
SE
13
0.1
S
18
0.1
S
16
0.1
SE
12
0.1
S
15
0.1
SE
11
Energy kJ
9
30
25
23
22
39
20
19
19
21
12
18
3
1
6
6
6
5
5
4
5
Wind waves
Height (m)
Direction
Period (s)
0.2
ENE
2
0.3
NE
3
0.4
NE
3
0.4
NE
3
0.2
ENE
3
0.2
NNW
3
0.4
NNW
3
1.2
NNE
4
1.1
N
5
0.7
NNW
4
Energy kJ
1
1
2
2
1
1
3
58
56
14
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
Distance (km)
0
0
0
0
0
0
0
0
0
0
27
27
206
226
179
26
26
26
28
28
28
Best forecast wave conditions in Canterbury
Rating
(10 max)
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in New Zealand
Rating
(10 max)
3
3
4
4
3
3
3
3
3
3
3
2
2
2
2
2
2
3
4
4
4
Header Global
Rating
(10 max)
5
4
6
5
5
6
7
4
7
5
4
4
4
4
4
4
5
4
4
5
4
  • 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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