Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 am 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
18.1°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 (01 Sep):

  • Morning surf: Morning surf (01 Sep, local time) - 3.5ft (1.0m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (01 Sep, local time) - 3ft (0.9m), 11s period with S swell.
  • Evening surf: Evening surf (01 Sep, local time) - 2.5ft (0.8m), 11s period with S swell.

The current surf forecast for Backdoor 4 at 5PM is: 0.9m 11s primary swell from a South direction and 0.4m 11s secondary swell from a East-northeast direction, 0.5m 3s secondary swell from a North-northeast direction (forecast issued at 09:00am September 01). The wind direction is predicted to be onshore.

Time (AEST) & DateWave HeightWave Period
Morning (01 Sep)3.5ft (1.0m)11s
Afternoon (01 Sep)3ft (0.9m)11s
Evening (01 Sep)2.5ft (0.8m)11s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Thu morning, min 13°C on Thu night). Mainly fresh winds.

Tuesday
1
Wednesday
2
Thursday
3
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)
1
0
0
0
0
0
0
0
0
0
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)
1
S
12
1
S
11
0.9
S
11
0.9
S
11
0.9
S
11
0.8
S
11
0.8
S
10
0.8
S
10
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
0.4
SSE
10
Wave Graph
Metric surfscale
Energy kJ
273
250
192
189
182
141
138
133
100
104
108
110
75
73
71
50
50
73
74
53
52
34
Wind (km/h)
10
NNW
15
N
20
NNE
20
NNW
15
NW
15
NW
15
NW
15
NNW
20
NW
20
NW
20
NW
15
NW
15
WNW
15
NW
15
NW
20
NW
15
NNW
30
NW
20
W
5
S
20
W
25
WSW
Wind State
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
glassy
cross
cross-off
High Tide
10:41AM1.45m
10:52PM1.27m
11:26AM1.45m
11:44PM1.14m
12:20PM1.44m
Low Tide
4:20AM0.17m
4:55PM0.29m
4:57AM0.24m
5:52PM0.33m
5:42AM0.32m
7:00PM0.37m
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
clear
cloud
clear
clear
cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
5:36
5:36
 mm
Temp °C
14
17
24
25
23
20
19
18
18
22
26
26
24
22
20
19
18
24
27
23
20
17
Feels °C
12
14
19
20
19
17
16
14
14
18
22
22
20
18
17
15
15
18
22
22
15
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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