Twelve Mile Beach Surf Break

Lat Long: 33.95° S 120.32° E

Twelve Mile Beach 48 hour detailed Surf Forecast

Issued: 1 am 20 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 (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 6ft (1.8m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 5.5ft (1.7m), 16s period with SSW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 6ft (1.9m), 16s period with SSW swell.

The current surf forecast for Twelve Mile Beach at 9AM is: 1.8m 16s primary swell from a South-southwest direction (forecast issued at 01:00am August 20). The wind direction is predicted to be cross-shore.

Time (AWST) & DateWave HeightWave Period
Morning (20 Aug)6ft (1.8m)16s
Afternoon (20 Aug)5.5ft (1.7m)16s
Evening (20 Aug)6ft (1.9m)16s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Sat afternoon, min 12°C on Thu morning). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
4
4
4
2
1
2
3
4
4
4
4
4
1
2
3
3
3
4
4
4
4
3
3
3
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
SSW
16
1.9
SSW
16
1.8
SSW
16
1.7
SSW
16
1.7
SSW
16
1.8
SSW
16
1.8
SSW
16
2
SSW
16
2
SSW
16
2
SSW
16
1.9
SSW
15
1.9
SSW
15
1.9
SSW
15
2
SSW
15
1.9
SSW
15
1.8
SSW
15
1.7
SSW
15
1.5
SSW
14
1.1
SSW
18
1.8
SSW
18
1.7
SSW
17
1.6
SSW
16
1.4
SSW
16
1.4
SSW
16
Wave Graph
Metric surfscale
Energy kJ
1811
1788
1606
1487
1451
1606
1626
2033
1982
1908
1721
1642
1537
1644
1475
1413
1275
930
834
1922
1571
1230
1003
991
Wind (km/h)
5
NNW
10
N
10
NW
15
WSW
15
SSW
15
S
10
S
0
NW
10
NNW
10
NNW
10
N
5
ENE
15
SE
20
ESE
20
E
20
NE
15
NE
15
NE
15
N
15
N
5
ENE
15
E
15
NE
15
NNW
Wind State
cross-off
off
cross-off
cross
on
on
on
glassy
cross-off
cross-off
off
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross-off
off
off
glassy
cross
cross-off
off
High Tide
1:37AM0.64m
2:11AM0.61m
8:17AM0.62m
Low Tide
5:40PM0.09m
5:35PM0.08m
5:28PM0.08m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:31
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:31
5:32
 mm
Temp °C
14
13
12
14
16
15
16
15
14
13
13
15
16
15
15
14
13
13
14
21
23
22
20
19
Feels °C
13
11
10
10
12
12
14
15
12
12
11
14
12
11
12
10
10
10
10
17
21
18
15
15
  • 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

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