Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 3 am 11 Jul 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
19.0° C
0.6° 

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 (11 Jul):

  • Morning surf: Morning surf (11 Jul, local time) - 3ft (0.9m), 12s period with ESE swell.
  • Afternoon surf: Afternoon surf (11 Jul, local time) - 3ft (0.9m), 11s period with ESE swell.
  • Evening surf: Evening surf (11 Jul, local time) - 3.5ft (1.0m), 10s period with ESE swell.

The current surf forecast for Backdoor 4 at 7AM is: 1.3m 9s primary swell from a Southeast direction and 0.8m 13s secondary swell from a East-southeast direction (forecast issued at 03:00am July 11). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (11 Jul)3ft (0.9m)12s
Afternoon (11 Jul)3ft (0.9m)11s
Evening (11 Jul)3.5ft (1.0m)10s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Mon afternoon, min 10°C on Sun night). Winds increasing (light winds from the NNW on Sat morning, fresh winds from the WNW by Sun morning).

Saturday
11
Sunday
12
Monday
13
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
1
1
1
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
10
1.3
SE
9
1.3
SE
9
0.9
ESE
12
0.9
ESE
12
1
ESE
11
1
ESE
11
1
ESE
10
1.1
SE
10
1.1
SE
10
0.8
ESE
10
0.8
ESE
10
0.7
ESE
10
0.5
ESE
10
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.7
WNW
4
0.8
WNW
4
0.7
WNW
4
0.2
S
12
0.2
ESE
8
0.6
NW
3
0.7
WNW
4
Wave Graph
Metric surfscale
Energy kJ
373
307
260
210
193
234
214
202
225
220
111
109
83
51
34
33
31
15
16
12
11
7
6
11
Wind (km/h)
10
WNW
10
WNW
10
WNW
10
NNW
10
N
20
N
20
NNW
20
NNW
20
NNW
25
NW
25
W
30
WNW
30
W
30
W
30
W
25
WNW
30
WNW
30
WNW
25
WNW
20
WNW
20
WNW
20
WNW
25
W
25
WNW
Wind State
cross-on
cross
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross-on
cross-on
cross
cross-on
High Tide
4:57AM1.05m
5:24PM1.64m
6:06AM1.07m
6:19PM1.74m
7:08AM1.11m
7:13PM1.82m
Low Tide
11:12PM0.30m
10:39AM0.30m
00:15AM0.17m
11:38AM0.28m
1:13AM0.06m
12:36PM0.26m
part cloud
clear
clear
part cloud
clear
clear
cloud
clear
clear
clear
cloud
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>
6:56
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:00
5:01
5:01
 mm
Temp °C
13
12
11
12
15
18
16
14
13
12
14
13
15
16
12
11
10
10
10
13
18
19
15
13
Feels °C
11
10
9
10
13
13
11
10
9
7
8
6
8
9
5
4
3
3
4
7
13
14
9
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.


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