Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 4 am 11 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
19.5°C
0.6° 

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 (11 Oct):

  • Morning surf: Morning surf (11 Oct, local time) - 2ft (0.6m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (11 Oct, local time) - 2ft (0.6m), 6s period with S swell.
  • Evening surf: Evening surf (11 Oct, local time) - 2ft (0.6m), 6s period with S swell.

The current surf forecast for Backdoor 4 at 10AM is: 0.5m 7s primary swell from a Northeast direction and 0.6m 5s secondary swell from a South direction (forecast issued at 04:00am October 11). The wind direction is predicted to be cross-offshore.

Time (AEDT) & DateWave HeightWave Period
Morning (11 Oct)2ft (0.6m)7s
Afternoon (11 Oct)2ft (0.6m)6s
Evening (11 Oct)2ft (0.6m)6s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Tue afternoon. Warm (max 33°C on Mon afternoon, min 15°C on Tue night). Winds increasing (calm on Tue morning, fresh winds from the S by Tue night).

Sunday
11
Monday
12
Tuesday
13
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
1
1
0
!
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)
0.9
NE
8
0.8
NE
8
0.6
NE
7
0.5
NE
7
0.6
S
6
0.4
SE
8
0.6
S
6
0.9
NE
4
0.8
NE
5
0.6
ENE
5
0.6
ENE
5
0.3
E
9
0.3
E
8
1.4
NE
5
1.8
NE
6
1.4
NE
6
1.2
ENE
7
0.9
ENE
7
0.8
ENE
8
0.7
NE
8
0.8
S
6
0.9
S
6
0.4
NE
7
2.1
SSE
6
Wave Graph
Metric surfscale
Energy kJ
86
69
44
25
24
17
24
26
26
16
18
13
13
77
240
144
131
93
74
60
43
68
16
361
Wind (km/h)
20
SSW
15
SSW
10
SSW
10
ESE
20
E
20
ENE
15
ENE
15
NE
10
WSW
10
W
5
NNW
10
NNE
20
NNE
20
NE
15
N
10
WSW
25
SSW
15
SSW
5
NNE
10
SSW
20
SSW
20
S
25
SSE
30
S
Wind State
cross-off
off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-off
cross
cross-on
cross-on
cross-on
cross-on
on
cross-off
cross-off
off
glassy
cross-off
off
off
off
off
High Tide
9:11AM1.56m
9:31PM1.30m
9:45AM1.58m
10:10PM1.22m
10:19AM1.56m
10:49PM1.13m
Low Tide
2:53AM0.16m
3:32PM0.15m
3:24AM0.22m
4:13PM0.16m
3:55AM0.28m
4:54PM0.20m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:18
—
—
—
—
—
—
—
6:16
—
—
—
—
—
—
—
6:16
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
7:01
—
—
—
—
—
—
—
7:02
—
—
—
—
—
—
—
7:04
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
2
1
2
1
Temp °C
20
18
18
19
20
20
20
20
19
19
20
29
33
28
28
28
23
19
18
18
18
18
17
17
Feels °C
17
18
19
19
18
18
20
20
20
19
20
26
29
24
26
26
19
18
20
19
16
16
13
12
  • 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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