Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 pm 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
18.7°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 (07 Sep):

  • Morning surf: Morning surf (07 Sep, local time) - 5ft (1.5m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (07 Sep, local time) - 5ft (1.6m), 9s period with SSE swell.
  • Evening surf: Evening surf (07 Sep, local time) - 6ft (1.9m), 9s period with SSE swell.

The current surf forecast for Backdoor 4 at 12AM is: 2.5m 11s primary swell from a South direction and 2.3m 10s secondary swell from a South direction, 0.1m 8s secondary swell from a Northeast direction (forecast issued at 09:00pm September 06). The wind direction is predicted to be offshore and the swell rating is 11.

Time (AEST) & DateWave HeightWave Period
Morning (07 Sep)5ft (1.5m)8s
Afternoon (07 Sep)5ft (1.6m)9s
Evening (07 Sep)6ft (1.9m)9s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon night. Very mild (max 18°C on Mon morning, min 11°C on Tue night). Winds increasing (calm on Mon morning, strong winds from the S by Wed afternoon).

Sun
6
Monday
7
Tuesday
8
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
!
!
3
2
2
0
0
1
2
!
!
!
!
!
!
!
3
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
S
8
2.5
S
10
2.3
S
10
1.8
S
9
1.6
S
8
1.4
S
8
1.4
SSE
8
1.6
SSE
9
1.6
SSE
9
1.9
SSE
8
2.5
S
8
3
S
9
3
S
9
2.5
S
9
2.4
SSE
9
2.2
SSE
9
2.1
SSE
9
2
SSE
9
Wave Graph
Metric surfscale
Energy kJ
401
1353
1037
526
347
257
270
396
380
534
826
1243
1657
1236
860
708
660
627
Wind (km/h)
20
SSE
20
S
10
SSW
10
SW
5
WSW
0
N
20
ENE
20
E
25
SSE
35
S
35
S
30
SSW
25
SSW
25
S
20
S
15
SSE
5
SE
5
NE
Wind State
off
off
cross-off
cross-off
cross-off
glassy
cross
cross
off
off
off
off
off
off
off
off
cross-off
glassy
High Tide
4:59AM1.02m
5:00PM1.56m
5:57AM1.12m
5:57PM1.63m
Low Tide
10:58PM0.24m
10:24AM0.43m
11:54PM0.15m
11:29AM0.35m
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
rain showers
cloud
clear
rain showers
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:38
5:39
 mm
1
1
Temp °C
17
16
16
15
15
17
18
17
17
15
15
15
14
16
16
16
15
14
Feels °C
13
13
15
14
14
17
14
14
13
8
7
9
8
10
11
12
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.


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