Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 am 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
17.7° C
0.7° 

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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 7ft (2.1m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 5ft (1.5m), 9s period with ENE swell.
  • Evening surf: Evening surf (10 Aug, local time) - 3ft (0.9m), 9s period with ENE swell.

The current surf forecast for Backdoor 4 at 5PM is: 1.3m 9s primary swell from a East-northeast direction and 0.1m 13s secondary swell from a South direction, 1.4m 5s secondary swell from a Northwest direction (forecast issued at 09:00am August 10). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (10 Aug)7ft (2.1m)9s
Afternoon (10 Aug)5ft (1.5m)9s
Evening (10 Aug)3ft (0.9m)9s

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


Short Range Forecast

Some drizzle, heaviest during Mon morning. Warm (max 20°C on Tue afternoon, min 11°C on Tue night). Winds decreasing (strong winds from the NW on Mon afternoon, calm by Wed morning).

Monday
10
Tuesday
11
Wednesday
12
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)
0
0
0
0
0
0
0
0
0
0
0
2
2
0
1
0
0
0
2
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)
2.4
NE
8
1.9
ENE
9
1.6
ENE
9
1.4
ENE
9
1.1
NE
9
0.9
ENE
9
0.8
ENE
9
0.7
ENE
9
0.7
ENE
9
0.7
ENE
9
0.7
ENE
9
1.4
S
12
1.9
S
12
1.7
S
11
1.6
S
10
1.4
S
10
1.2
S
10
1.2
S
10
1.1
S
9
0.9
S
9
0.9
S
9
0.8
S
9
Wave Graph
Metric surfscale
Energy kJ
825
588
431
334
203
151
108
76
75
73
73
556
963
683
551
400
290
273
217
136
133
99
Wind (km/h)
40
WNW
40
NW
40
NNW
50
NW
40
WNW
40
WNW
35
W
30
W
25
W
25
W
5
W
10
WNW
15
W
25
W
20
WNW
20
NNW
20
NW
15
WNW
5
WSW
15
NNW
25
W
25
W
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
glassy
on
cross
cross
High Tide
6:03AM1.06m
6:09PM1.71m
6:59AM1.13m
7:02PM1.78m
7:49AM1.20m
7:50PM1.80m
Low Tide
11:31AM0.33m
1:02AM0.07m
12:29PM0.27m
1:50AM-0.00m
1:22PM0.22m
light rain
rain showers
clear
part cloud
cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:20
5:21
5:22
 mm
1
1
Temp °C
15
12
16
15
14
16
16
16
16
17
19
20
17
13
12
11
11
16
18
18
16
14
Feels °C
8
3
7
5
6
8
8
10
11
12
16
16
12
7
6
6
6
11
15
14
10
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