Banks Peninsula - Magnet Bay Surf Break

Lat Long: 43.87° S 172.80° E

Banks Peninsula - Magnet Bay 48 hour detailed Surf Forecast

Issued: 5 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Banks Peninsula - Magnet Bay sea temperature is
10.2° C
1.4° 

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


How big are the waves at Banks Peninsula - Magnet Bay today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 5.5ft (1.7m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.6m), 12s period with S swell.
  • Evening surf: Evening surf (20 Aug, local time) - 4.5ft (1.4m), 12s period with S swell.

The current surf forecast for Banks Peninsula - Magnet Bay at 11AM is: 1.7m 11s primary swell from a South direction and 0.5m 17s secondary swell from a South direction (forecast issued at 05:00am August 20). The wind direction is predicted to be onshore.

Time (NZST) & DateWave HeightWave Period
Morning (20 Aug)5.5ft (1.7m)11s
Afternoon (20 Aug)5ft (1.6m)12s
Evening (20 Aug)4.5ft (1.4m)12s

Table - waves today at Banks Peninsula - Magnet Bay. (Swell directed towards the surf break)


Short Range Forecast

Some drizzle, heaviest during Sat night. Very mild (max 14°C on Sat morning, min 7°C on Thu night). Winds increasing (calm on Thu afternoon, fresh winds from the NW by Sat night).

Thursday
20
Friday
21
Saturday
22
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
3
2
1
2
2
3
3
4
3
3
3
2
2
2
2
2
1
2
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
S
12
2.1
SSW
12
1.7
S
11
1.7
S
11
1.6
S
12
1.6
S
12
1.4
S
12
1.6
S
16
1.5
S
14
1.5
S
13
1.4
S
12
1.3
S
12
1.2
S
11
1.2
S
11
1.1
S
11
1.1
S
10
1
S
10
1
S
10
0.9
S
10
0.8
S
10
0.7
S
10
0.6
S
10
0.5
S
10
Wave Graph
Metric surfscale
Energy kJ
972
1121
670
721
710
686
519
1225
868
771
574
464
358
338
281
264
210
210
167
125
94
69
47
Wind (km/h)
10
SW
10
SSW
15
SSW
10
SSW
5
S
5
SE
5
NNE
5
NNE
10
NNE
10
NNE
15
NNE
15
NE
10
NE
15
NE
10
NNE
10
NNW
15
NW
15
NW
15
NNW
15
NNW
20
NNW
30
NNW
20
N
Wind State
on
on
on
on
cross-on
glassy
glassy
off
off
off
off
off
off
off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
9:41AM1.66m
10:05PM1.58m
10:40AM1.65m
11:02PM1.57m
11:34AM1.66m
Low Tide
3:19AM0.40m
3:52PM0.48m
4:12AM0.45m
4:46PM0.51m
5:03AM0.47m
5:37PM0.52m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:15
7:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:49
5:50
 mm
Temp °C
8
8
9
9
9
8
8
8
7
7
8
10
10
8
8
8
7
8
10
14
13
14
13
Feels °C
5
5
6
6
6
6
6
6
4
4
5
7
7
5
5
5
3
3
5
10
8
8
8
  • 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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