Twelve Mile Beach Surf Break

Lat Long: 33.95° S 120.32° E

Twelve Mile Beach 48 hour detailed Surf Forecast

Issued: 7 pm 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):

  • 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 11PM is: 2.0m 16s primary swell from a South-southwest direction (forecast issued at 07:00pm August 20). The wind direction is predicted to be glassy and the swell rating is 4.

Time (AWST) & DateWave HeightWave Period
Morning (20 Aug)--
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

Light rain (total 3mm), mostly falling on Sat night. Warm (max 24°C on Sat afternoon, min 13°C on Fri night). Winds increasing (calm on Fri morning, fresh winds from the SSW by Sun afternoon).

Thu
20
Friday
21
Saturday
22
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)
2
3
4
4
4
4
4
1
2
2
3
4
4
3
4
4
4
4
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
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
1.9
SSW
15
1.9
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
1.4
SSW
16
Wave Graph
Metric surfscale
Energy kJ
1451
1626
2033
1982
1908
1721
1642
1537
1496
1475
1275
1145
1044
964
1900
1553
1375
1199
991
Wind (km/h)
10
S
10
S
5
WNW
10
NNW
10
NNW
10
NNW
0
SSW
20
SE
20
ESE
20
E
15
NE
15
NE
15
NE
20
NNE
20
N
10
N
10
ENE
15
N
20
W
Wind State
on
on
glassy
cross-off
cross-off
off
glassy
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
off
cross
High Tide
2:11AM0.61m
8:17AM0.62m
Low Tide
5:40PM0.09m
5:35PM0.08m
5:28PM0.08m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
15
16
15
14
14
14
15
16
15
15
14
13
13
14
21
24
23
18
16
Feels °C
12
14
14
12
12
12
14
12
11
12
11
10
10
10
15
20
20
14
12
  • 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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