Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 3 am 03 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
18.3°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 (03 Oct):

  • Morning surf: Morning surf (03 Oct, local time) - 5ft (1.5m), 7s period with NE swell.
  • Afternoon surf: Afternoon surf (03 Oct, local time) - 4.5ft (1.3m), 7s period with ENE swell.
  • Evening surf: Evening surf (03 Oct, local time) - 5.5ft (1.7m), 7s period with ENE swell.

The current surf forecast for Backdoor 4 at 10AM is: 1.0m 7s primary swell from a East-northeast direction and 0.3m 5s secondary swell from a South direction (forecast issued at 03:00am October 03). The wind direction is predicted to be cross-offshore.

Time (AEST) & DateWave HeightWave Period
Morning (03 Oct)5ft (1.5m)7s
Afternoon (03 Oct)4.5ft (1.3m)7s
Evening (03 Oct)5.5ft (1.7m)7s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat afternoon. Warm (max 20°C on Sun morning, min 16°C on Sat night). Wind will be generally light.

Saturday
3
Sunday
4
Monday
5
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
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)
2
1
2
1
0
0
2
1
!
1
0
2
0
1
2
2
2
2
2
2
2
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
ENE
8
1.3
ENE
8
1.5
NE
7
1
ENE
7
1.1
ENE
7
1.4
ENE
7
1.6
ENE
7
1.8
ENE
7
2.4
NE
8
1.6
ENE
8
1.5
ENE
8
1.4
ENE
8
1.3
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
10
1.3
ENE
10
1.3
ENE
10
1.3
ENE
10
1.3
ENE
10
1.2
ENE
10
1.2
ENE
10
Wave Graph
Metric surfscale
Energy kJ
213
173
242
101
118
185
243
362
640
302
267
248
237
256
262
262
234
305
312
305
312
318
275
269
Wind (km/h)
10
S
15
SSE
10
ESE
5
ESE
15
NE
25
NE
0
WNW
10
NW
10
NNW
10
WNW
15
WNW
10
SSW
30
SSE
25
SSE
15
SE
10
SSE
10
S
10
SSW
10
SW
5
SSE
10
ESE
5
E
10
NNW
5
WNW
Wind State
off
cross-off
cross-off
cross-off
cross-on
cross-on
glassy
cross-on
on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
High Tide
00:58AM0.99m
1:08PM1.46m
3:25AM0.96m
2:25PM1.44m
3:47AM1.01m
3:40PM1.45m
Low Tide
6:22AM0.48m
8:18PM0.29m
7:42AM0.53m
9:34PM0.26m
9:08AM0.52m
cloud
cloud
cloud
cloud
cloud
clear
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:28
—
—
—
—
—
—
—
6:28
—
—
—
—
—
—
—
5:26
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
5:55
—
—
—
—
—
—
—
6:57
—
—
—
—
—
—
—
5:58
—
—
 mm
—
—
—
—
—
—
2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
20
19
19
19
19
19
18
19
17
16
17
20
18
17
17
17
17
16
16
17
17
19
20
19
Feels °C
19
19
19
20
19
16
19
19
17
15
14
18
13
13
15
16
17
16
16
17
16
19
18
18
  • 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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