Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 10 pm 05 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
18.8°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 (06 Oct):

  • Morning surf: Morning surf (06 Oct, local time) - 3.5ft (1.1m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (06 Oct, local time) - 3.5ft (1.1m), 9s period with ENE swell.
  • Evening surf: Evening surf (06 Oct, local time) - 3.5ft (1.0m), 9s period with ENE swell.

The current surf forecast for Backdoor 4 at 5AM is: 1.2m 9s primary swell from a East-northeast direction (forecast issued at 10:00pm October 05). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (AEDT) & DateWave HeightWave Period
Morning (06 Oct)3.5ft (1.1m)9s
Afternoon (06 Oct)3.5ft (1.1m)9s
Evening (06 Oct)3.5ft (1.0m)9s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Mon night. Warm (max 21°C on Tue morning, min 14°C on Wed night). Winds increasing (calm on Tue morning, strong winds from the S by Tue night).

Mon
5
Tuesday
6
Wednesday
7
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
2
1
1
1
1
1
2
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)
1.3
ENE
10
1.2
ENE
10
1.2
ENE
9
1.2
ENE
9
1.1
ENE
9
1.1
ENE
9
1.1
ENE
9
1
ENE
9
1
ENE
9
0.9
ENE
9
2
S
6
3
S
8
3.5
S
9
3.5
S
10
3.5
S
10
3
S
10
2.5
S
9
2.5
S
8
Wave Graph
Metric surfscale
Energy kJ
289
248
253
227
193
188
184
154
154
116
293
979
1755
2600
2265
1660
1108
825
Wind (km/h)
10
ESE
10
NNE
5
NNW
10
W
10
WSW
5
E
15
ESE
15
ENE
5
NNW
35
SSW
40
S
40
S
35
S
35
SSW
35
SSW
35
SSW
30
SSW
30
S
Wind State
cross-off
cross-on
cross-on
cross
cross-off
glassy
cross-off
cross
on
cross-off
off
off
off
off
off
off
off
off
High Tide
5:51AM1.11m
5:44PM1.47m
6:41AM1.22m
6:39PM1.49m
Low Tide
11:37PM0.21m
11:23AM0.45m
00:28AM0.16m
12:26PM0.37m
part cloud
cloud
light rain
cloud
clear
clear
clear
clear
clear
clear
cloud
light rain
cloud
cloud
part cloud
part cloud
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
6:24
—
—
—
—
—
—
—
6:24
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
—
6:59
—
—
—
—
—
—
—
6:59
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 mm
—
—
1
—
—
—
—
—
—
—
—
1
—
—
—
—
1
—
Temp °C
18
18
18
18
17
21
20
20
20
19
16
15
15
15
15
15
14
15
Feels °C
18
18
19
18
17
21
18
18
20
12
9
7
7
7
8
8
7
9
  • 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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