Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
17.8°C
0.4° 

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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 6ft (1.9m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 6ft (1.8m), 9s period with S swell.
  • Evening surf: Evening surf (27 Aug, local time) - 5ft (1.5m), 9s period with S swell.

The current surf forecast for Backdoor 4 at 3AM is: 1.5m 8s primary swell from a South direction and 0.7m 8s secondary swell from a East-northeast direction (forecast issued at 09:00pm August 26). The wind direction is predicted to be offshore and the swell rating is 2.

Time (AEST) & DateWave HeightWave Period
Morning (27 Aug)6ft (1.9m)9s
Afternoon (27 Aug)6ft (1.8m)9s
Evening (27 Aug)5ft (1.5m)9s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Fri night. Very mild (max 16°C on Fri night, min 12°C on Thu night). Wind will be generally light.

Wed
26
Thursday
27
Friday
28
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
2
2
2
3
3
3
2
2
1
2
2
3
3
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
S
7
1.5
S
7
1.5
S
7
1.5
S
8
1.7
S
8
1.9
S
9
1.9
S
9
1.7
S
9
1.6
S
9
1.5
S
9
1.4
S
9
0.9
SSE
12
1.7
SSE
11
1.7
SSE
11
1.6
SSE
11
1.6
SSE
10
1.4
SSE
10
1.4
SSE
10
Wave Graph
Metric surfscale
Energy kJ
199
214
239
253
405
593
575
440
381
335
292
246
750
724
541
511
356
341
Wind (km/h)
20
S
20
S
20
S
15
S
15
S
20
S
15
SSE
10
SE
5
ESE
5
NNE
10
NW
5
NW
10
NW
0
WNW
15
SE
20
SSE
10
S
15
SSE
Wind State
off
off
off
off
off
off
off
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
glassy
cross-off
cross-off
off
off
High Tide
7:05PM1.54m
7:41AM1.17m
7:40PM1.57m
8:15AM1.25m
8:15PM1.57m
Low Tide
1:43AM0.18m
1:19PM0.32m
2:14AM0.13m
1:59PM0.28m
clear
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:31
5:32
 mm
Temp °C
16
15
14
15
14
15
15
15
15
15
14
13
12
14
15
15
15
15
Feels °C
13
12
10
12
11
12
12
12
14
14
12
12
10
14
12
11
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 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.


Nearest locationNearest