Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 3 pm 05 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 (05 Sep):

  • Afternoon surf: Afternoon surf (05 Sep, local time) - 2.5ft (0.7m), 9s period with S swell.
  • Evening surf: Evening surf (05 Sep, local time) - 2ft (0.6m), 10s period with S swell.

The current surf forecast for Backdoor 4 at 8PM is: 0.6m 10s primary swell from a South direction and 0.4m 5s secondary swell from a East-northeast direction, 0.6m 3s secondary swell from a Northwest direction (forecast issued at 03:00pm September 05). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (05 Sep)--
Afternoon (05 Sep)2.5ft (0.7m)9s
Evening (05 Sep)2ft (0.6m)10s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Mon night. Warm (max 30°C on Sat afternoon, min 15°C on Sat night). Wind will be generally light.

Sat
5
Sunday
6
Monday
7
1 PM
4 PM
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)
0
0
0
0
0
0
0
0
0
1
1
!
!
!
3
2
2
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
S
9
0.6
S
9
0.6
S
10
0.6
S
10
0.5
S
10
0.5
S
10
0.4
S
10
0.4
S
9
0.2
S
15
1.1
S
8
1.4
S
8
2.5
S
11
3
S
10
2.1
S
10
1.8
S
9
1.6
S
8
1.5
S
8
1.3
S
8
1.4
SSE
9
1.5
S
9
Wave Graph
Metric surfscale
Energy kJ
83
58
64
67
45
44
29
28
18
135
240
1386
1671
814
503
347
305
228
318
355
Wind (km/h)
25
N
25
NNW
20
NW
15
NW
20
WSW
25
W
20
W
20
SW
20
SSE
20
SSE
30
S
25
S
15
SSW
10
SSW
10
SW
5
WSW
10
E
20
E
20
ESE
20
SSE
Wind State
on
cross-on
cross-on
cross-on
cross-off
cross
cross
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
High Tide
2:40PM1.44m
3:44AM0.96m
3:54PM1.49m
4:59AM1.02m
5:00PM1.56m
Low Tide
9:46PM0.33m
9:08AM0.47m
10:58PM0.24m
10:24AM0.43m
clear
part cloud
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:38
 mm
1
Temp °C
28
30
21
24
21
18
15
18
19
18
17
16
15
15
15
16
17
16
17
16
Feels °C
22
25
17
21
17
12
9
13
14
13
12
12
12
13
14
15
15
12
13
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 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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