Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 10 am 04 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
18.2°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 (04 Oct):

  • Morning surf: Morning surf (04 Oct, local time) - 4.5ft (1.3m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (04 Oct, local time) - 4.5ft (1.3m), 8s period with ENE swell.
  • Evening surf: Evening surf (04 Oct, local time) - 4.5ft (1.4m), 8s period with ENE swell.

The current surf forecast for Backdoor 4 at 5PM is: 1.3m 8s primary swell from a East-northeast direction and 0.4m 8s secondary swell from a South direction (forecast issued at 10:00am October 04). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AEDT) & DateWave HeightWave Period
Morning (04 Oct)4.5ft (1.3m)8s
Afternoon (04 Oct)4.5ft (1.3m)8s
Evening (04 Oct)4.5ft (1.4m)8s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Tue morning, min 15°C on Tue night). Winds increasing (calm on Mon morning, strong winds from the S by Tue night).

Sunday
4
Monday
5
Tuesday
6
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
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)
1
2
1
1
1
2
2
2
2
2
2
2
2
1
1
1
0
1
1
0
1
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)
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.3
ENE
10
1.3
ENE
10
1.3
ENE
9
1.3
ENE
10
1.3
ENE
10
1.2
ENE
10
1.2
ENE
10
1.1
ENE
10
1.1
ENE
9
1.1
ENE
9
1
ENE
9
1
ENE
9
1
ENE
9
1
ENE
9
1
ENE
9
Wave Graph
Metric surfscale
Energy kJ
226
232
237
207
262
262
268
325
325
299
305
312
269
248
210
201
197
161
158
158
158
154
Wind (km/h)
5
WNW
5
NW
20
ESE
20
ESE
20
ESE
15
S
15
SSW
15
SW
15
WSW
0
SSW
5
SE
10
ESE
5
ESE
5
NNW
10
NW
10
WNW
10
NW
0
NNW
15
ESE
10
E
0
WSW
35
SSW
Wind State
cross-on
glassy
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
glassy
glassy
cross-off
glassy
on
cross-on
cross
cross-on
glassy
cross-off
cross
glassy
off
High Tide
3:25PM1.44m
4:47AM1.01m
4:40PM1.45m
5:51AM1.11m
5:44PM1.47m
Low Tide
8:42AM0.53m
10:34PM0.26m
10:08AM0.52m
11:37PM0.21m
11:23AM0.45m
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:28
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6:26
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6:24
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
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7:57
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6:58
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6:59
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 mm
—
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Temp °C
16
21
21
19
18
18
17
16
16
18
20
20
19
19
18
19
19
23
22
22
22
19
Feels °C
16
21
17
16
16
17
16
14
15
19
20
19
19
19
17
17
18
22
19
20
22
13
  • 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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