Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 am 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
18.3°C
0.1° 

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 (02 Sep):

  • Morning surf: Morning surf (02 Sep, local time) - 2.5ft (0.7m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (02 Sep, local time) - 2.5ft (0.7m), 11s period with S swell.
  • Evening surf: Evening surf (02 Sep, local time) - 2ft (0.6m), 10s period with S swell.

The current surf forecast for Backdoor 4 at 2PM is: 0.7m 11s primary swell from a South direction and 0.4m 10s secondary swell from a East-northeast direction, 0.5m 3s secondary swell from a North-northwest direction (forecast issued at 09:00am September 02). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (02 Sep)2.5ft (0.7m)10s
Afternoon (02 Sep)2.5ft (0.7m)11s
Evening (02 Sep)2ft (0.6m)10s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Wed afternoon, min 14°C on Thu night). Wind will be generally light.

Wednesday
2
Thursday
3
Friday
4
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
0
0
0
0
0
0
0
0
0
0
0
2
1
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)
0.7
S
10
0.7
S
10
0.7
S
11
0.7
S
11
0.6
S
10
0.6
S
10
0.6
S
10
0.5
S
10
0.5
S
10
0.6
S
10
0.6
S
10
0.5
S
10
0.5
S
10
0.5
S
10
0.4
SSE
10
0.4
SSE
10
0.7
S
6
1
S
11
1.2
S
10
0.9
S
9
0.7
S
8
1.1
NNE
5
Wave Graph
Metric surfscale
Energy kJ
100
104
108
108
75
74
71
50
50
73
74
52
52
52
33
33
35
237
296
130
66
54
Wind (km/h)
20
NNW
20
NW
15
NW
15
NW
20
WNW
15
NW
15
NW
15
NNW
20
NW
25
NW
15
WSW
5
SSW
20
W
25
WSW
20
WSW
15
SW
10
WSW
0
SW
15
E
20
ENE
20
NE
10
WNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
glassy
cross
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross
cross-on
cross-on
High Tide
11:26AM1.45m
11:44PM1.14m
12:20PM1.44m
00:50AM1.03m
1:25PM1.43m
Low Tide
4:57AM0.24m
5:52PM0.33m
5:42AM0.32m
7:00PM0.37m
6:36AM0.40m
8:22PM0.37m
cloud
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:09
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:36
5:36
5:37
 mm
Temp °C
17
23
26
27
24
22
20
19
21
24
26
24
22
17
15
14
14
16
17
17
17
18
Feels °C
13
19
22
23
20
19
16
15
16
19
22
23
17
12
11
11
12
15
13
12
13
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.


Nearest locationNearest