Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 10 am 09 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
20.0°C
1.2° 

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):

  • Morning surf: Morning surf (09 Oct, local time) - 6.5ft (2.0m), 11s period with SSE swell.
  • 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 1PM is: 2.1m 11s primary swell from a South-southeast direction and 0.1m 13s secondary swell from a East direction (forecast issued at 10:00am October 09). The wind direction is predicted to be cross-shore and the swell rating is 11.

Time (AEDT) & DateWave HeightWave Period
Morning (09 Oct)6.5ft (2.0m)11s
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

Mostly dry. Warm (max 26°C on Sat afternoon, min 13°C on Fri morning). Mainly fresh winds.

Friday
9
Saturday
10
Sunday
11
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)
2
!
!
0
0
0
1
2
1
0
0
0
1
1
0
1
1
1
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
SSE
11
2.1
SSE
11
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
1.6
NE
6
1.4
NE
6
0.6
SSE
8
0.7
NE
9
0.8
NE
9
0.8
NE
9
0.6
NE
8
0.7
S
6
0.6
S
6
0.9
ENE
4
1.3
NE
5
Wave Graph
Metric surfscale
Energy kJ
923
970
952
674
544
452
386
313
244
174
123
145
124
43
81
95
88
54
33
24
29
87
Wind (km/h)
5
WNW
10
ENE
25
ENE
25
ENE
30
NE
25
NE
10
NW
5
N
5
NNW
20
N
15
NNE
10
ENE
5
NE
10
WSW
25
SSW
15
SW
10
SSW
10
SE
20
ESE
20
ENE
20
NE
10
NE
Wind State
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
glassy
on
on
cross-on
cross-on
cross-on
cross-off
off
cross-off
off
cross-off
cross-off
cross
cross-on
cross-on
High Tide
8:01AM1.44m
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
clear
clear
cloud
cloud
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
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6:20
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6:18
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—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
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7:00
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—
—
—
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7:01
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7:01
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 mm
—
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Temp °C
13
16
17
18
18
18
16
17
18
23
26
26
25
25
18
18
18
19
19
20
20
19
Feels °C
12
14
13
14
13
15
15
17
18
21
24
25
25
23
15
18
18
19
17
19
19
19
  • 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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