Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 pm 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
17.7°C
0.5° 

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 (25 Aug):

  • Morning surf: Morning surf (25 Aug, local time) - 5ft (1.6m), 6s period with NE swell.
  • Afternoon surf: Afternoon surf (25 Aug, local time) - 3.5ft (1.0m), 7s period with ENE swell.
  • Evening surf: Evening surf (25 Aug, local time) - 4ft (1.2m), 8s period with ENE swell.

The current surf forecast for Backdoor 4 at 3AM is: 0.6m 10s primary swell from a South direction and 1.0m 6s secondary swell from a East-northeast direction (forecast issued at 09:00pm August 24). The wind direction is predicted to be onshore.

Time (AEST) & DateWave HeightWave Period
Morning (25 Aug)5ft (1.6m)6s
Afternoon (25 Aug)3.5ft (1.0m)7s
Evening (25 Aug)4ft (1.2m)8s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Tue afternoon. Warm (max 21°C on Tue morning, min 15°C on Mon night). Mainly fresh winds.

Mon
24
Tuesday
25
Wednesday
26
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
0
1
1
1
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
NE
5
1.3
NE
6
1.1
NE
6
1.3
NE
6
1.6
NE
6
1.1
ENE
7
1
ENE
7
1
ENE
7
1.2
ENE
8
1.2
ENE
8
1.1
NE
8
1.1
NE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.8
ENE
8
0.8
ENE
8
1.4
S
6
Wave Graph
Metric surfscale
Energy kJ
129
101
73
112
194
117
105
111
154
154
133
136
123
103
93
74
74
146
Wind (km/h)
35
NE
20
NNE
20
NNE
15
N
15
NNW
15
NNW
15
NNW
15
NNW
15
NNW
15
N
15
NNW
10
W
5
WSW
5
SW
25
SSW
30
S
25
S
20
S
Wind State
cross-on
cross-on
on
on
on
on
cross-on
cross-on
on
on
cross-on
cross
cross-off
cross-off
off
off
off
off
High Tide
5:46PM1.42m
6:29AM1.01m
6:27PM1.49m
7:06AM1.09m
7:05PM1.54m
Low Tide
00:37AM0.32m
11:56AM0.43m
1:12AM0.24m
12:39PM0.37m
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
cloud
light rain
thunderstorm
thunderstorm
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
 mm
2
3
2
1
2
1
1
1
Temp °C
18
17
16
15
16
20
21
17
16
16
17
16
16
18
17
16
16
16
Feels °C
13
14
14
13
13
17
18
15
15
15
16
16
16
17
13
11
12
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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