Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
18.0°C
0.5° 

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 (15 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 2.5ft (0.7m), 6s period with NE swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 1.5ft (0.5m), 6s period with NE swell.
  • Evening surf: Evening surf (15 Sep, local time) - 7.5ft (2.3m), 7s period with S swell.

The current surf forecast for Backdoor 4 at 10AM is: 0.7m 6s primary swell from a Northeast direction and 0.4m 10s secondary swell from a South direction, 0.3m 3s secondary swell from a West-northwest direction (forecast issued at 09:00pm September 14). The wind direction is predicted to be offshore.

Time (AEST) & DateWave HeightWave Period
Morning (15 Sep)2.5ft (0.7m)6s
Afternoon (15 Sep)1.5ft (0.5m)6s
Evening (15 Sep)7.5ft (2.3m)7s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Mon night, min 9°C on Wed night). Mainly strong winds.

Mon
14
Tuesday
15
Wednesday
16
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
!
!
!
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!
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Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
NE
6
1.5
NE
6
1.3
NE
6
0.9
NE
6
0.7
NE
6
0.7
NE
6
0.6
ENE
6
0.5
NE
6
0.2
E
14
2.3
S
7
2.5
S
8
3
S
9
3.5
S
9
3.5
S
9
3.5
S
10
3.5
S
10
3.5
S
10
3.5
S
10
Wave Graph
Metric surfscale
Energy kJ
133
167
126
58
40
40
26
18
15
467
949
1412
1947
2005
2541
2684
2442
2498
Wind (km/h)
20
NNE
15
N
15
N
10
NW
10
WNW
5
SSE
25
SE
20
SSE
35
S
40
S
30
S
30
SSW
35
SSW
35
SSW
40
SSW
35
SSW
40
S
35
S
Wind State
on
on
on
cross-on
cross-on
off
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
High Tide
10:13PM1.25m
10:34AM1.46m
10:54PM1.12m
11:13AM1.40m
Low Tide
4:15PM0.24m
4:10AM0.28m
5:01PM0.31m
4:42AM0.37m
5:51PM0.39m
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:45
 mm
Temp °C
23
22
21
19
19
22
18
17
16
14
13
13
12
12
13
14
14
14
Feels °C
18
18
17
16
16
20
14
14
11
6
6
6
3
3
4
5
5
5
  • 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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