Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
17.8°C
0.7° 

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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 2.5ft (0.7m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 2.5ft (0.7m), 11s period with S swell.
  • Evening surf: Evening surf (14 Sep, local time) - 4ft (1.2m), 6s period with NE swell.

The current surf forecast for Backdoor 4 at 5AM is: 0.8m 12s primary swell from a South direction and 1.0m 6s secondary swell from a Northeast direction, 1.2m 6s secondary swell from a Northeast direction (forecast issued at 09:00pm September 13). The wind direction is predicted to be onshore.

Time (AEST) & DateWave HeightWave Period
Morning (14 Sep)2.5ft (0.7m)12s
Afternoon (14 Sep)2.5ft (0.7m)11s
Evening (14 Sep)4ft (1.2m)6s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Mon morning, min 12°C on Tue night). Winds increasing (light winds from the NW on Mon night, strong winds from the S by Wed afternoon).

Sun
13
Monday
14
Tuesday
15
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
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
NE
6
1.5
NE
6
1.6
NE
6
0.8
S
12
0.7
S
12
0.7
S
12
0.7
S
11
0.6
S
11
1.3
NE
6
1.1
NE
6
1.3
NE
6
0.9
ENE
6
0.9
NE
6
0.7
NE
7
0.6
NE
7
0.6
ENE
6
0.6
ENE
6
0.2
E
14
Wave Graph
Metric surfscale
Energy kJ
150
151
178
178
132
132
118
82
111
86
122
69
61
46
36
27
26
15
Wind (km/h)
35
NE
20
N
15
N
10
NNW
10
N
10
NNE
20
NE
25
NE
25
NNE
15
N
15
N
10
NW
10
NW
10
S
20
SE
20
SSE
25
S
40
S
Wind State
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
off
cross-off
cross-off
off
off
High Tide
9:34PM1.38m
9:57AM1.49m
10:13PM1.25m
10:34AM1.46m
Low Tide
3:39AM0.19m
4:15PM0.24m
4:10AM0.28m
5:01PM0.31m
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:44
 mm
Temp °C
18
17
16
16
16
21
24
20
21
21
21
19
19
22
17
17
16
14
Feels °C
12
13
13
13
13
18
19
16
17
17
18
17
17
20
14
15
12
6
  • 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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