Twelve Mile Beach Surf Break

Lat Long: 33.95° S 120.32° E

Twelve Mile Beach 48 hour detailed Surf Forecast

Issued: 7 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Twelve Mile Beach sea temperature is
16.8° C
0.2° 

Twelve Mile 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 Twelve Mile Beach today (22 Aug):

  • Morning surf: Morning surf (22 Aug, local time) - 4.5ft (1.3m), 18s period with SSW swell.
  • Afternoon surf: Afternoon surf (22 Aug, local time) - 5.5ft (1.7m), 17s period with SSW swell.
  • Evening surf: Evening surf (22 Aug, local time) - 5ft (1.6m), 16s period with SSW swell.

The current surf forecast for Twelve Mile Beach at 3AM is: 1.6m 14s primary swell from a South-southwest direction and 1.0m 19s secondary swell from a South-southwest direction, 0.4m 3s secondary swell from a East direction (forecast issued at 07:00pm August 21). The wind direction is predicted to be cross-offshore.

Time (AWST) & DateWave HeightWave Period
Morning (22 Aug)4.5ft (1.3m)18s
Afternoon (22 Aug)5.5ft (1.7m)17s
Evening (22 Aug)5ft (1.6m)16s

Table - waves today at Twelve Mile Beach. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 2mm), mostly falling on Sun morning. Warm (max 24°C on Sat afternoon, min 12°C on Fri night). Wind will be generally light.

Fri
21
Saturday
22
Sunday
23
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
2
3
3
4
4
4
4
4
3
3
3
2
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)
1.9
SSW
15
1.8
SSW
15
1.7
SSW
15
1.7
SSW
15
1.2
SSW
19
1.3
SSW
18
1.8
SSW
17
1.7
SSW
17
1.7
SSW
16
1.6
SSW
16
1.5
SSW
16
1.3
SSW
15
1.3
SSW
14
1.4
SSW
14
1.1
SSW
14
1
SSW
14
1
SSW
14
1.1
SSW
13
1.1
SSW
13
Wave Graph
Metric surfscale
Energy kJ
1496
1413
1275
1145
1044
964
1900
1553
1375
1199
1054
837
742
822
501
425
413
427
414
Wind (km/h)
20
ESE
20
E
20
ENE
15
ENE
15
NE
15
NE
15
NNE
10
NNE
5
NNE
20
NNW
15
WNW
15
WNW
15
W
25
SSW
25
SSW
25
SSW
20
SSW
25
SSW
20
SSW
Wind State
cross-on
cross
cross-off
cross-off
cross-off
cross-off
off
off
glassy
cross-off
cross-off
cross-off
cross
on
on
on
on
on
cross-on
High Tide
8:17AM0.62m
8:49AM0.69m
Low Tide
5:35PM0.08m
5:28PM0.08m
5:23PM0.07m
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
cloud
part cloud
part cloud
part cloud
rain showers
clear
part cloud
clear
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:31
5:32
5:34
 mm
1
1
Temp °C
15
15
14
13
12
13
22
24
23
17
14
14
14
15
15
15
15
14
14
Feels °C
11
12
11
10
9
9
17
20
21
13
11
12
12
10
10
10
11
9
10
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Twelve Mile Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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