Back Beach Surf Break

Lat Long: 30.94° S 115.28° E

Back Beach 48 hour detailed Surf Forecast

Issued: 7 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Back Beach sea temperature is
18.6° C
0.6° 

Back 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 Back Beach today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 10ft (3.0m), 15s period with WSW swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 10ft (3.0m), 15s period with WSW swell.
  • Evening surf: Evening surf (21 Aug, local time) - 10ft (3.0m), 15s period with WSW swell.

The current surf forecast for Back Beach at 2AM is: 3.0m 16s primary swell from a West-southwest direction (forecast issued at 07:00pm August 20). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (AWST) & DateWave HeightWave Period
Morning (21 Aug)10ft (3.0m)15s
Afternoon (21 Aug)10ft (3.0m)15s
Evening (21 Aug)10ft (3.0m)15s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Fri afternoon, min 13°C on Fri morning). Mainly fresh winds.

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)
!
!
!
!
!
!
!
4
0
3
4
5
5
5
!
2
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)
3
WSW
16
3
WSW
16
3
WSW
16
3
WSW
16
3
WSW
16
3
WSW
15
3
WSW
15
2.5
WSW
15
3
WSW
15
2.5
WSW
15
2.5
WSW
15
2.5
WSW
15
2.3
WSW
14
2
WSW
17
3
WSW
17
2.5
WSW
16
2.5
SW
16
2.2
WSW
16
2
WSW
16
Wave Graph
Metric surfscale
Energy kJ
4797
4471
4214
4299
4108
3950
3574
3157
3227
3114
3030
2842
2243
2309
4478
3237
3079
2300
1856
Wind (km/h)
20
S
15
SE
15
ESE
15
ESE
15
ESE
20
E
20
ESE
15
SE
20
SSE
25
SSE
15
SE
15
ESE
10
E
10
NNE
10
WNW
20
SW
30
S
35
S
30
S
Wind State
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross-off
cross-off
cross-off
off
cross
on
cross-on
cross-on
cross-on
High Tide
3:11AM0.55m
4:40AM0.56m
Low Tide
3:18PM0.12m
3:26PM0.10m
3:41PM0.08m
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:55
5:55
 mm
Temp °C
17
17
16
15
14
13
17
21
21
18
18
16
16
16
19
18
17
17
17
Feels °C
14
14
12
11
11
9
13
18
17
14
15
13
14
15
18
15
12
11
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 Back 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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