Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 pm 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
17.8°C
0.5° 

Backdoor 4 surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Backdoor 4 today (28 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 5.5ft (1.7m), 11s period with SSE swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 5ft (1.6m), 10s period with SSE swell.
  • Evening surf: Evening surf (28 Aug, local time) - 4.5ft (1.4m), 10s period with SSE swell.

The current surf forecast for Backdoor 4 at 1AM is: 1.4m 9s primary swell from a South direction and 0.5m 8s secondary swell from a East-northeast direction (forecast issued at 09:00pm August 27). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (28 Aug)5.5ft (1.7m)11s
Afternoon (28 Aug)5ft (1.6m)10s
Evening (28 Aug)4.5ft (1.4m)10s

Table - waves today at Backdoor 4. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 16°C on Sun afternoon, min 13°C on Thu night). Wind will be generally light.

Thu
27
Friday
28
Saturday
29
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
2
2
1
2
2
3
3
2
2
2
2
2
2
2
3
3
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
S
9
1.5
S
9
1.4
S
9
1
SSE
12
1.7
SSE
11
1.7
SSE
11
1.6
SSE
11
1.6
SSE
10
1.5
SSE
10
1.4
SSE
10
1.3
SSE
9
1.3
SSE
9
1.3
SSE
10
1.4
SSE
10
1.8
SSE
9
1.8
SSE
8
1.2
SE
10
1.1
SE
9
Wave Graph
Metric surfscale
Energy kJ
381
343
299
298
777
724
541
511
407
341
293
287
305
365
533
460
275
194
Wind (km/h)
5
ESE
0
N
5
WNW
10
WNW
10
NW
0
NNW
15
ESE
20
SSE
10
S
10
SSE
10
SSE
10
S
10
SW
10
SSW
15
SSE
10
SE
5
ESE
0
SSW
Wind State
cross-off
glassy
cross-on
cross-on
cross-on
glassy
cross-off
cross-off
off
cross-off
off
off
cross-off
off
cross-off
cross-off
cross-off
glassy
High Tide
7:40PM1.57m
8:15AM1.25m
8:15PM1.57m
8:49AM1.32m
8:50PM1.54m
Low Tide
2:14AM0.13m
1:59PM0.28m
2:44AM0.10m
2:39PM0.26m
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:32
5:32
 mm
Temp °C
15
15
14
13
13
14
15
15
15
15
15
15
14
15
15
15
15
15
Feels °C
14
15
13
12
12
14
12
11
13
14
13
13
12
13
13
13
14
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

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Backdoor 4 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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