Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 pm 03 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 (1.4m), 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) - 4ft (1.2m), 8s period with ENE swell.

The current surf forecast for Backdoor 4 at 4AM is: 2.3m 8s primary swell from a Northeast direction and 1.6m 8s secondary swell from a East-northeast direction, 0.4m 8s secondary swell from a South direction (forecast issued at 09:00pm October 03). The wind direction is predicted to be cross-onshore and the swell rating is 11.

Time (AEST) & DateWave HeightWave Period
Morning (04 Oct)4.5ft (1.4m)8s
Afternoon (04 Oct)4.5ft (1.3m)8s
Evening (04 Oct)4ft (1.2m)8s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Sun morning, min 16°C on Sat night). Wind will be generally light.

Sat
3
Sunday
4
Monday
5
7 PM
10 PM
1 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
!
!
!
1
1
1
1
0
0
2
2
2
2
2
2
1
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
NE
8
2.2
NE
8
2.3
NE
8
1.5
ENE
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.2
ENE
8
1.1
ENE
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
10
1.4
ENE
10
1.3
ENE
9
1.3
ENE
9
1.3
ENE
10
1.3
ENE
10
1.2
ENE
10
Wave Graph
Metric surfscale
Energy kJ
736
564
627
274
248
237
202
171
161
262
234
325
370
299
305
305
305
264
Wind (km/h)
20
SW
5
N
10
NNW
10
WNW
10
WNW
5
WNW
20
ESE
20
ESE
15
E
10
S
15
SSW
15
SW
10
SW
10
SW
10
ESE
5
E
0
NNE
10
NW
Wind State
cross-off
glassy
on
cross
cross
cross
cross-off
cross-off
cross
off
off
cross-off
cross-off
cross-off
cross-off
cross
glassy
cross-on
High Tide
3:25AM0.96m
2:25PM1.44m
3:47AM1.01m
3:40PM1.45m
Low Tide
8:18PM0.29m
7:42AM0.53m
9:34PM0.26m
9:08AM0.52m
light rain
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:28
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5:26
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—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
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6:57
—
—
—
—
—
—
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5:58
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 mm
4
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—
—
—
—
—
—
—
—
—
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—
—
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Temp °C
17
18
17
16
16
21
21
19
18
18
17
16
16
17
20
19
19
19
Feels °C
15
19
16
15
15
19
17
16
16
17
15
14
15
16
19
19
20
17
  • 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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