Otago Peninsula - Allans Beach Surf Break

Lat Long: 45.88° S 170.70° E

Otago Peninsula - Allans Beach 48 hour detailed Surf Forecast

Issued: 5 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Otago Peninsula - Allans Beach sea temperature is
11.0° C
2.4° 

Otago Peninsula - Allans Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Otago Peninsula - Allans Beach today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 6.5ft (2.0m), 12s period with SSW swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 6ft (1.9m), 16s period with SSW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 6ft (1.8m), 14s period with SSW swell.

The current surf forecast for Otago Peninsula - Allans Beach at 9AM is: 2.0m 12s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a East direction (forecast issued at 05:00am August 20). The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (20 Aug)6.5ft (2.0m)12s
Afternoon (20 Aug)6ft (1.9m)16s
Evening (20 Aug)6ft (1.8m)14s

Table - waves today at Otago Peninsula - Allans Beach. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat night. Very mild (max 15°C on Sat afternoon, min 7°C on Fri morning). Winds increasing (light winds from the N on Thu night, strong winds from the W 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)
0
0
2
0
1
3
4
4
3
3
3
3
1
2
2
2
1
0
1
0
1
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)
2.1
SSW
12
2.1
SSW
12
2
SSW
12
1.8
SSW
13
1.9
SSW
16
1.9
SSW
15
1.8
SSW
14
1.7
SSW
13
1.7
SSW
13
1.4
SSW
11
1.4
SSW
11
1.3
SSW
11
1.2
SSW
10
1.1
SSW
10
1
S
10
0.9
S
10
0.8
S
10
0.7
S
10
0.6
S
10
0.6
S
10
0.3
SSW
16
0.4
SSW
16
0.9
SW
9
Wave Graph
Metric surfscale
Energy kJ
1185
1247
1158
1086
1740
1546
1214
1028
983
477
431
353
312
255
208
164
127
94
68
66
52
103
120
Wind (km/h)
25
WSW
25
WSW
25
WSW
25
WSW
20
SW
10
W
10
WNW
10
W
5
NW
5
N
15
N
15
NNE
25
NNE
25
NNE
15
N
15
NW
20
NNW
20
NNW
15
NW
20
NNW
10
NNW
10
SSW
15
S
Wind State
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-off
cross-off
cross-off
off
off
off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
on
on
High Tide
10:00AM1.57m
10:23PM1.50m
10:51AM1.56m
11:14PM1.49m
11:40AM1.56m
Low Tide
3:18AM0.37m
3:51PM0.42m
4:12AM0.41m
4:49PM0.45m
5:09AM0.42m
5:48PM0.44m
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:28
7:26
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:53
5:54
 mm
Temp °C
8
9
9
10
11
11
9
9
8
8
7
8
10
10
10
9
10
11
10
13
15
13
10
Feels °C
1
3
3
3
5
7
6
6
5
6
3
4
4
5
6
5
4
6
6
8
12
10
7
  • 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
How to use the Wavefinder 

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