Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 am 08 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
17.7° C
0.7° 

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 (08 Aug):

  • Morning surf: Morning surf (08 Aug, local time) - 2ft (0.6m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (08 Aug, local time) - 2ft (0.6m), 8s period with S swell.
  • Evening surf: Evening surf (08 Aug, local time) - 2.5ft (0.7m), 8s period with E swell.

The current surf forecast for Backdoor 4 at 4PM is: 0.6m 8s primary swell from a South direction and 0.4m 9s secondary swell from a South-southeast direction (forecast issued at 09:00am August 08). The wind direction is predicted to be cross-shore.

Time (AEST) & DateWave HeightWave Period
Morning (08 Aug)2ft (0.6m)8s
Afternoon (08 Aug)2ft (0.6m)8s
Evening (08 Aug)2.5ft (0.7m)8s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Mon morning. Very mild (max 17°C on Sun morning, min 10°C on Sat night). Winds increasing (calm on Sat morning, strong winds from the NW by Mon morning).

Saturday
8
Sunday
9
Monday
10
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.6
S
8
0.7
S
8
0.7
S
8
0.6
S
8
0.6
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.9
ENE
9
0.9
ENE
9
1
ENE
9
1
ENE
9
1
ENE
9
1.6
ENE
9
2.3
ENE
7
2.5
NE
8
3
NE
9
1.9
ENE
9
1.6
ENE
9
1.4
ENE
9
1.2
ENE
9
0.9
ENE
9
Wave Graph
Metric surfscale
Energy kJ
47
58
57
40
50
64
61
61
138
149
177
154
151
372
479
842
1341
601
441
334
231
148
Wind (km/h)
10
WSW
5
W
10
E
15
E
15
ENE
20
NNE
15
N
10
N
10
N
10
N
15
NNE
10
NW
15
NE
35
NE
35
NNE
20
N
30
NW
45
NW
35
NW
40
NW
40
WNW
35
WNW
Wind State
cross-off
glassy
cross
cross
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:07PM1.52m
4:56AM1.00m
5:11PM1.61m
6:03AM1.06m
6:09PM1.71m
Low Tide
9:15AM0.39m
11:06PM0.28m
10:26AM0.38m
00:08AM0.16m
11:31AM0.33m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
light rain
part cloud
clear
part cloud
cloud
light rain
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:37
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:19
5:20
5:20
 mm
1
3
Temp °C
10
12
13
14
15
14
13
12
10
12
17
17
13
16
16
15
15
11
16
17
14
15
Feels °C
8
11
11
11
12
10
10
10
8
10
13
13
10
10
10
11
10
1
8
7
5
7
  • 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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