Dunedin - St Kilda Beach Surf Break

Lat Long: 45.91° S 170.53° E

Dunedin - St Kilda Beach 48 hour detailed Surf Forecast

Issued: 11 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Dunedin - St Kilda Beach sea temperature is
11.0° C
2.2° 

Dunedin - St Kilda 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 Dunedin - St Kilda Beach today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 4.5ft (1.4m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.8m), 16s period with S swell.
  • Evening surf: Evening surf (20 Aug, local time) - 4.5ft (1.3m), 14s period with S swell.

The current surf forecast for Dunedin - St Kilda Beach at 4PM is: 0.8m 16s primary swell from a South direction and 1.1m 10s secondary swell from a South direction (forecast issued at 11:00am August 20). The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (20 Aug)4.5ft (1.4m)11s
Afternoon (20 Aug)2.5ft (0.8m)16s
Evening (20 Aug)4.5ft (1.3m)14s

Table - waves today at Dunedin - St Kilda Beach. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 15°C on Sat afternoon, min 6°C on Fri morning). Wind will be generally light.

Thu
20
Friday
21
Saturday
22
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)
1
1
1
3
3
3
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
S
11
1.3
S
10
0.8
S
16
0.8
S
16
1.3
S
14
1.3
S
14
1
S
11
1.1
S
11
1.1
S
11
1
S
11
1
S
10
0.9
S
10
0.9
S
10
0.8
S
10
0.7
S
10
0.7
S
10
0.6
S
10
0.5
S
10
0.5
S
9
0.3
SSW
16
0.3
SSW
17
Wave Graph
Metric surfscale
Energy kJ
466
374
326
310
713
674
227
300
279
223
198
158
159
125
96
96
70
48
42
52
55
Wind (km/h)
20
WSW
25
WSW
20
WSW
10
W
10
WNW
10
NW
10
NW
5
N
10
NNW
5
N
10
NE
10
NNE
10
NNW
15
NW
15
NNW
10
WNW
15
NNW
15
NNW
15
N
15
N
10
NW
Wind State
cross
cross
cross
cross-off
cross-off
cross-off
off
off
off
glassy
cross-off
cross-off
off
off
off
cross-off
off
off
cross-off
off
off
High Tide
10:00AM1.57m
10:23PM1.50m
10:51AM1.56m
11:14PM1.49m
11:40AM1.56m
Low Tide
3:51PM0.42m
4:12AM0.41m
4:49PM0.45m
5:09AM0.42m
5:48PM0.44m
cloud
cloud
cloud
cloud
clear
clear
clear
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:28
7:28
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:53
5:55
 mm
Temp °C
9
10
11
10
8
8
7
7
6
9
11
11
10
8
9
8
9
13
15
13
10
Feels °C
3
4
6
6
5
5
4
4
3
7
8
8
7
4
5
4
5
9
11
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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