Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 4 pm 09 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
19.6°C
0.8° 

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 (09 Oct):

  • Afternoon surf: Afternoon surf (09 Oct, local time) - 6.5ft (2.0m), 10s period with SSE swell.
  • Evening surf: Evening surf (09 Oct, local time) - 5.5ft (1.7m), 10s period with SSE swell.

The current surf forecast for Backdoor 4 at 8PM is: 1.7m 10s primary swell from a South-southeast direction and 0.1m 21s secondary swell from a South direction, 1.0m 4s secondary swell from a Northeast direction (forecast issued at 04:00pm October 09). The wind direction is predicted to be cross-onshore.

Time (AEDT) & DateWave HeightWave Period
Morning (09 Oct)--
Afternoon (09 Oct)6.5ft (2.0m)10s
Evening (09 Oct)5.5ft (1.7m)10s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat morning. Warm (max 30°C on Mon morning, min 16°C on Fri night). Wind will be generally light.

Fri
9
Saturday
10
Sunday
11
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
0
0
2
2
0
0
0
0
0
0
1
1
1
0
0
0
0
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)
2.1
SSE
11
1.8
SSE
10
1.7
SSE
10
1.6
SSE
10
1.5
SSE
10
1.4
SSE
9
1.3
SSE
9
1.1
SE
9
0.9
SSE
8
0.9
SE
8
0.7
SE
8
0.9
NE
7
0.9
NE
8
0.8
NE
8
0.6
NE
8
0.5
NE
7
0.7
S
6
0.7
S
6
0.7
S
6
0.9
NE
5
Wave Graph
Metric surfscale
Energy kJ
952
674
544
452
386
313
244
174
123
98
67
73
86
73
48
28
35
36
36
32
Wind (km/h)
25
ENE
25
ENE
30
NE
20
NE
10
NNW
5
NNE
20
WNW
10
N
25
ENE
15
NE
10
NNE
10
W
20
SSW
15
SW
10
SSW
10
SE
20
ESE
20
ENE
15
NE
15
NE
Wind State
cross
cross-on
cross-on
cross-on
cross-on
glassy
cross
on
cross-on
cross-on
cross-on
cross
off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
High Tide
8:10PM1.44m
8:37AM1.52m
8:52PM1.38m
9:11AM1.56m
9:31PM1.30m
Low Tide
2:06PM0.21m
2:21AM0.13m
2:50PM0.17m
2:53AM0.16m
3:32PM0.15m
clear
clear
clear
clear
part cloud
cloud
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
6:20
—
—
—
—
—
—
—
6:18
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:00
—
—
—
—
—
—
—
7:01
—
—
—
—
—
—
—
7:01
—
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 mm
—
—
—
—
—
—
1
1
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
17
18
18
18
16
17
17
20
21
24
24
25
18
18
18
19
19
19
19
20
Feels °C
13
14
14
15
15
17
14
20
18
23
23
23
16
18
18
19
17
18
19
20
  • 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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