Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
17.9°C
0.3° 

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 (29 Aug):

  • Morning surf: Morning surf (29 Aug, local time) - 4.5ft (1.3m), 10s period with SSE swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 6ft (1.9m), 9s period with SSE swell.
  • Evening surf: Evening surf (29 Aug, local time) - 3.5ft (1.1m), 10s period with SE swell.

The current surf forecast for Backdoor 4 at 6PM is: 1.1m 10s primary swell from a Southeast direction and 1.2m 8s secondary swell from a South direction (forecast issued at 09:00am August 29). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (AEST) & DateWave HeightWave Period
Morning (29 Aug)4.5ft (1.3m)10s
Afternoon (29 Aug)6ft (1.9m)9s
Evening (29 Aug)3.5ft (1.1m)10s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Sun morning, min 12°C on Sat night). Wind will be generally light.

Saturday
29
Sunday
30
Monday
31
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)
2
2
4
3
2
2
2
2
1
2
1
1
1
2
2
2
1
2
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)
1.2
SSE
9
1.3
SSE
10
1.9
SSE
9
1.3
SSE
10
1.1
SE
10
1.1
SE
10
0.9
SSE
9
0.9
SSE
9
0.9
SE
10
0.9
S
9
1
S
9
1
S
9
1.1
S
9
1.1
S
9
1.1
S
9
1.1
S
9
1.1
S
9
1.1
S
9
1
S
8
0.5
S
15
0.9
S
9
0.9
S
10
Wave Graph
Metric surfscale
Energy kJ
253
312
605
314
216
216
154
154
134
125
157
157
181
177
198
198
192
180
135
107
126
149
Wind (km/h)
10
S
15
SSE
15
SSE
10
SE
10
SE
5
S
10
WSW
10
WSW
10
W
5
N
15
E
10
E
10
E
5
SSE
5
WSW
10
WSW
5
W
5
NE
15
ENE
20
ENE
20
NE
15
NNE
Wind State
off
off
off
cross-off
cross-off
glassy
cross-off
cross-off
cross
glassy
cross
cross
cross
glassy
cross-off
cross-off
cross
glassy
cross-on
cross-on
cross-on
on
High Tide
8:49AM1.32m
8:50PM1.54m
9:24AM1.38m
9:27PM1.47m
10:01AM1.42m
Low Tide
2:39PM0.26m
3:14AM0.10m
3:21PM0.25m
3:46AM0.12m
4:05PM0.26m
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:15
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:32
5:34
5:34
 mm
Temp °C
15
15
15
15
15
14
14
13
12
14
16
15
15
15
14
14
13
14
16
16
16
16
Feels °C
13
13
13
13
14
13
13
12
11
13
13
13
14
15
13
13
12
13
13
12
13
14
  • 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