Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 am 30 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) - 6ft (1.8m), 10s period with S swell.

The current surf forecast for Backdoor 4 at 6PM is: 1.7m 9s primary swell from a South direction and 0.1m 6s secondary swell from a Northeast direction (forecast issued at 09:00am July 30). The wind direction is predicted to be offshore and the swell rating is 2.

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

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 11°C on Thu morning). Wind will be generally light.

Thursday
30
Friday
31
Saturday
1
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)
!
!
3
2
2
3
3
3
3
3
3
3
3
3
3
3
3
2
2
1
0
1
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)
2.4
S
11
2.5
S
10
1.9
S
10
1.7
S
9
1.7
S
9
1.9
S
11
2
S
11
2
S
10
1.9
S
10
1.8
S
10
1.8
S
10
1.9
S
10
1.9
S
10
1.9
S
9
1.8
S
10
1.7
S
10
1.7
S
9
1.6
S
9
1.6
SSE
9
1.5
SSE
9
1.4
SSE
9
1.4
SSE
9
Wave Graph
Metric surfscale
Energy kJ
1278
1293
641
490
469
875
900
834
708
623
612
660
646
632
580
518
516
449
391
337
301
318
Wind (km/h)
15
WSW
15
SW
15
S
20
SSE
15
SSE
10
SSW
15
WSW
15
WSW
15
SW
15
SSW
20
S
20
S
15
S
15
SSW
15
WSW
15
SW
10
WSW
5
SW
5
SE
10
E
10
NE
15
NE
Wind State
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-on
cross-on
High Tide
8:46AM1.11m
8:43PM1.60m
9:22AM1.16m
9:17PM1.58m
9:58AM1.20m
9:52PM1.53m
Low Tide
2:16PM0.34m
3:24AM0.14m
2:56PM0.34m
3:55AM0.13m
3:36PM0.35m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:46
6:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:13
5:14
5:14
 mm
Temp °C
10
11
13
13
14
14
12
11
11
12
15
15
14
15
14
11
11
12
14
14
15
15
Feels °C
6
7
9
8
10
11
8
7
7
8
11
11
10
11
10
8
8
10
13
12
13
12
  • 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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