Back Beach Surf Break

Lat Long: 30.94° S 115.28° E

Back Beach 48 hour detailed Surf Forecast

Issued: 1 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Back Beach sea temperature is
18.9°C
0.0° 

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 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 8ft (2.5m), 15s period with WSW swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 8ft (2.5m), 15s period with WSW swell.
  • Evening surf: Evening surf (21 Sep, local time) - 8ft (2.5m), 15s period with WSW swell.

The current surf forecast for Back Beach at 6AM is: 2.5m 15s primary swell from a West-southwest direction (forecast issued at 01:00am September 21). The wind direction is predicted to be cross-offshore and the swell rating is 5.

Time (AWST) & DateWave HeightWave Period
Morning (21 Sep)8ft (2.5m)15s
Afternoon (21 Sep)8ft (2.5m)15s
Evening (21 Sep)8ft (2.5m)15s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Mon morning, min 14°C on Mon morning). Wind will be generally light.

Monday
21
Tuesday
22
Wednesday
23
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)
5
5
5
!
!
0
0
3
2
3
3
2
1
1
2
3
4
3
3
2
1
0
0
0
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)
2.5
SW
16
2.5
WSW
16
2.5
WSW
15
3
WSW
15
3
WSW
15
2.5
WSW
15
2.5
WSW
15
2.5
WSW
15
2.4
WSW
15
2.2
WSW
15
2.1
WSW
15
2.1
WSW
14
2.1
WSW
14
2.2
WSW
14
2.3
WSW
14
2.3
WSW
14
2.3
WSW
14
2.2
WSW
13
2.1
WSW
13
2
WSW
13
2
WSW
13
1.8
WSW
13
1.7
WSW
13
1.8
SW
12
Wave Graph
Metric surfscale
Energy kJ
3118
3245
3199
3316
3316
3079
3089
2997
2615
2147
1927
1724
1724
1960
2181
2091
1973
1697
1449
1309
1289
1100
928
980
Wind (km/h)
15
ESE
10
E
10
E
10
SSW
20
SSW
25
S
25
SSE
15
SSE
15
SSE
10
SE
5
SE
10
SW
20
WSW
15
WSW
15
WSW
10
WSW
10
ESE
10
SE
10
SE
15
S
20
SSW
25
SSW
20
S
15
S
Wind State
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
on
cross-on
on
on
cross-on
cross-off
cross
cross
cross-on
on
cross-on
cross-on
cross-on
High Tide
5:07AM0.53m
6:12AM0.54m
7:02AM0.54m
10:06PM0.35m
Low Tide
3:01PM0.10m
3:10PM0.11m
3:15PM0.13m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:14
6:14
6:15
 mm
Temp °C
15
14
14
18
18
18
16
16
16
15
15
18
18
18
17
17
16
14
15
17
18
17
16
16
Feels °C
13
12
12
17
15
14
12
14
14
14
14
16
15
15
15
16
15
12
14
15
15
13
13
13
  • 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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