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 am 28 Jul 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
9.7° C
0.7° 

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 28 Jul 2026:

  • Best quality surf: Saturday 1 Aug, 6PM (local time) - 10ft (3.0m), 11s period, S swell with onshore winds.
  • Most powerful swell: Saturday 1 Aug, 3AM (local time) - 16ft (5.0m), 11s period, SSW swell with 5,926 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 28 Jul, 9PM (local time) - 5ft (1.6m), 13s period with ESE 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 Tuesday (Jul 28) at 9PM. The primary swell is predicted to be 1.6m and 13s period with a secondary swell of 0.4m and 10s. 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 5.0m 11s and forecast to arrive on Saturday (Aug 01) 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 1.3m 5s period and expected on Thursday (Jul 30) at 6PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Tue 28th Jul)5ft (1.6m) 13s
Best Surf 6PM (Sat 1st Aug)10ft (3.0m) 11s
Most Powerful 3AM (Sat 1st Aug)16ft (5.0m) 11s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Thu afternoon, min 7°C on Tue morning). Winds increasing (calm on Tue morning, fresh winds from the N by Thu afternoon).

Days 4-6 Weather Summary

Moderate rain (total 17mm), heaviest on Fri night. Very mild (max 12°C on Fri morning, min 4°C on Sun night). Winds decreasing (near gales from the SW on Fri night, light winds from the S by Sun afternoon).

Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
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
3
3
3
2
3
2
0
1
0
0
0
0
0
0
0
0
4
3
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)
1.5
ESE
13
1.5
ESE
13
1.5
ESE
13
1.4
ESE
13
1.3
ESE
12
1.2
ESE
12
1
ESE
12
0.9
ESE
12
0.7
ESE
11
0.6
E
11
0.5
E
11
5
SSW
10
4
S
12
3.5
S
11
2.3
S
10
2.5
S
10
2.3
S
10
1.6
SSE
11
1.2
SE
11
0.7
S
17
3
S
17
Wave Graph
Metric surfscale
Energy kJ
757
757
744
633
475
387
298
193
128
86
61
4382
4764
2681
1152
1319
1013
663
373
287
4375
Wind (km/h)
5
NW
5
ENE
15
NE
5
NW
5
WNW
10
NNE
15
N
35
N
20
N
20
N
20
SSW
50
SSW
40
SW
25
SSW
25
WSW
40
SSW
20
SSW
15
NE
5
N
15
W
20
SSW
Wind State
cross
glassy
off
glassy
cross
cross-off
cross-off
cross-off
cross-off
cross-off
on
on
on
on
on
on
cross-on
off
cross-off
cross-on
cross-on
High Tide
2:58PM1.81m
3:12AM1.70m
3:37PM1.83m
3:51AM1.71m
4:16PM1.83m
4:29AM1.70m
4:54PM1.82m
5:08AM1.69m
5:33PM1.79m
5:48AM1.68m
6:12PM1.75m
6:31AM1.67m
6:55PM1.72m
Low Tide
9:06PM0.40m
9:15AM0.31m
9:47PM0.37m
9:57AM0.29m
10:28PM0.35m
10:39AM0.28m
11:10PM0.34m
11:21AM0.28m
11:51PM0.34m
12:05PM0.30m
00:35AM0.35m
12:51PM0.33m
1:20AM0.36m
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
light rain
light rain
light rain
rain showers
rain showers
rain showers
part cloud
clear
clear
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:47
7:46
7:45
7:43
7:43
7:41
7:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:23
5:24
5:25
5:27
5:28
5:29
 mm
1
5
4
1
3
3
1
Temp °C
11
12
9
11
12
11
14
15
11
12
10
7
6
7
6
8
8
4
9
11
8
Feels °C
8
9
5
8
10
8
9
7
7
8
5
-5
-2
2
-1
0
2
0
5
6
2
  • 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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