Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 am 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
18.6°C
0.3° 

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 (03 Sep):

  • Morning surf: Morning surf (03 Sep, local time) - 2ft (0.6m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 1.5ft (0.5m), 10s period with S swell.
  • Evening surf: Evening surf (03 Sep, local time) - 1.5ft (0.5m), 10s period with S swell.

The current surf forecast for Backdoor 4 at 3PM is: 0.5m 10s primary swell from a South direction and 0.4m 6s secondary swell from a Northeast direction, 0.4m 3s secondary swell from a West direction (forecast issued at 09:00am September 03). The wind direction is predicted to be cross-offshore.

Time (AEST) & DateWave HeightWave Period
Morning (03 Sep)2ft (0.6m)10s
Afternoon (03 Sep)1.5ft (0.5m)10s
Evening (03 Sep)1.5ft (0.5m)10s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Sat morning, min 14°C on Thu night). Wind will be generally light.

Thursday
3
Friday
4
Saturday
5
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
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
1
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.5
S
10
0.6
S
10
0.6
S
10
0.5
S
10
0.5
S
10
0.5
S
10
0.6
ENE
9
0.4
SSE
10
0.4
SSE
10
1.3
S
11
1.3
S
10
1.1
S
9
0.8
S
8
0.7
S
8
0.5
S
12
0.6
S
11
0.6
S
10
0.8
S
10
0.7
S
10
0.6
S
9
0.6
S
10
0.5
S
10
Wave Graph
Metric surfscale
Energy kJ
50
73
74
52
52
51
53
33
33
403
347
196
86
63
66
85
75
123
87
62
66
46
Wind (km/h)
25
NNW
25
NW
20
W
15
W
20
W
25
WSW
15
WSW
10
SW
10
WSW
0
SE
15
E
20
ENE
15
NE
10
W
10
W
10
NNW
15
NNW
25
N
25
NNW
25
NW
20
NW
20
W
Wind State
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross
cross-on
cross
cross
on
on
on
cross-on
cross-on
cross-on
cross
High Tide
12:20PM1.44m
00:50AM1.03m
1:25PM1.43m
2:14AM0.96m
2:40PM1.44m
Low Tide
5:42AM0.32m
7:00PM0.37m
6:36AM0.40m
8:22PM0.37m
7:47AM0.46m
9:46PM0.33m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:36
5:37
5:37
 mm
Temp °C
21
25
27
26
22
17
15
14
14
16
17
17
17
17
17
15
15
21
29
29
28
26
Feels °C
15
19
22
22
17
12
11
11
11
15
13
13
15
14
14
12
11
15
23
24
24
21
  • 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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