Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 pm 29 Jul 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
18.2° C
0.1° 

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 (30 Jul):

  • Morning surf: Morning surf (30 Jul, local time) - 8ft (2.5m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (30 Jul, local time) - 6ft (1.8m), 9s period with S swell.
  • Evening surf: Evening surf (30 Jul, local time) - 6.5ft (2.0m), 11s period with S swell.

The current surf forecast for Backdoor 4 at 1AM is: 0.2m 6s primary swell from a East-northeast direction and 0.1m 14s secondary swell from a South direction (forecast issued at 09:00pm July 29). An open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AEST) & DateWave HeightWave Period
Morning (30 Jul)8ft (2.5m)10s
Afternoon (30 Jul)6ft (1.8m)9s
Evening (30 Jul)6.5ft (2.0m)11s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Fri morning, min 9°C on Wed night). Wind will be generally light.

Wed
29
Thursday
30
Friday
31
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)
0
0
0
0
!
!
3
2
2
3
!
3
3
2
3
3
3
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
S
15
0.1
S
14
0.1
S
14
0.8
S
10
3
S
11
2.5
S
10
1.9
S
10
1.7
S
9
1.7
S
9
2
S
11
2.1
S
11
2
S
10
1.9
S
10
1.9
S
10
1.9
S
10
2
S
10
2
S
10
2.1
S
10
Wave Graph
Metric surfscale
Energy kJ
4
4
4
133
1763
1257
639
480
459
986
1011
850
722
696
682
745
730
787
Wind (km/h)
25
WSW
25
WSW
20
WSW
15
WSW
15
WSW
15
SW
15
S
20
SSE
15
SSE
10
S
15
WSW
15
WSW
15
SW
15
SW
20
S
20
S
20
S
15
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
High Tide
8:08PM1.60m
8:46AM1.11m
8:43PM1.60m
9:22AM1.16m
9:17PM1.58m
Low Tide
2:52AM0.17m
2:16PM0.34m
3:24AM0.14m
2:56PM0.34m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:13
5:14
 mm
Temp °C
15
11
10
10
9
11
13
13
13
14
12
11
11
13
15
14
15
15
Feels °C
8
5
5
5
4
7
9
8
9
11
8
7
7
9
10
9
11
11
  • 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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