Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 3 am 03 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
17.9° 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 Aug):

  • Morning surf: Morning surf (03 Aug, local time) - 3.5ft (1.1m), 11s period with SE swell.
  • Afternoon surf: Afternoon surf (03 Aug, local time) - 3.5ft (1.0m), 11s period with SE swell.
  • Evening surf: Evening surf (03 Aug, local time) - 2.5ft (0.8m), 11s period with SE swell.

The current surf forecast for Backdoor 4 at 7AM is: 1.2m 11s primary swell from a Southeast direction and 0.4m 4s secondary swell from a Northeast direction, 0.5m 4s secondary swell from a North-northeast direction (forecast issued at 03:00am August 03). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (03 Aug)3.5ft (1.1m)11s
Afternoon (03 Aug)3.5ft (1.0m)11s
Evening (03 Aug)2.5ft (0.8m)11s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Mon morning, min 9°C on Tue night). Wind will be generally light.

Monday
3
Tuesday
4
Wednesday
5
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
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
0
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)
1.4
SE
12
1.3
SSE
11
1.2
SE
11
1.1
SE
11
1.1
SE
11
0.9
SE
11
0.8
SE
11
0.7
SE
11
0.7
SE
10
0.4
SSE
10
0.4
SE
10
0.4
SE
10
0.3
ESE
7
0.3
ESE
7
0.2
SSE
9
0.2
E
13
0.2
E
11
0.4
E
11
0.4
E
10
0.4
E
10
0.4
E
9
0.4
E
9
0.4
E
9
0.4
E
8
Wave Graph
Metric surfscale
Energy kJ
558
433
360
273
258
191
159
110
110
41
25
25
9
9
9
14
10
36
32
31
28
27
25
23
Wind (km/h)
10
N
10
NNW
10
NW
10
N
15
NNW
20
NNW
15
NW
15
WNW
10
W
10
W
15
W
15
W
15
W
10
SSE
20
SW
20
WSW
20
W
20
W
15
WNW
15
WNW
0
W
15
E
15
SW
20
W
Wind State
on
on
cross-on
on
on
cross-on
cross-on
cross
cross
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
glassy
cross
cross-off
cross
High Tide
10:28PM1.45m
11:16AM1.29m
11:09PM1.35m
12:01PM1.32m
11:57PM1.24m
12:52PM1.35m
Low Tide
4:59AM0.15m
5:08PM0.40m
5:35AM0.19m
6:03PM0.43m
6:16AM0.25m
7:10PM0.45m
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:15
5:15
5:16
 mm
Temp °C
16
15
15
17
21
21
18
17
15
13
12
14
17
18
15
12
10
9
9
13
16
15
15
13
Feels °C
13
13
12
13
16
16
14
13
12
10
8
10
12
14
10
6
4
4
4
8
14
10
11
8
  • 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.


Nearest locationNearest