Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 9 pm 01 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
18.5°C
0.2° 

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 (02 Oct):

  • Morning surf: Morning surf (02 Oct, local time) - 5ft (1.6m), 7s period with NE swell.
  • Afternoon surf: Afternoon surf (02 Oct, local time) - 4ft (1.2m), 7s period with ENE swell.
  • Evening surf: Evening surf (02 Oct, local time) - 6ft (1.8m), 6s period with NE swell.

The current surf forecast for Backdoor 4 at 3AM is: 1.6m 7s primary swell from a Northeast direction and 1.3m 7s secondary swell from a East-northeast direction, 0.3m 10s secondary swell from a South direction (forecast issued at 09:00pm October 01). The wind direction is predicted to be onshore.

Time (AEST) & DateWave HeightWave Period
Morning (02 Oct)5ft (1.6m)7s
Afternoon (02 Oct)4ft (1.2m)7s
Evening (02 Oct)6ft (1.8m)6s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat morning. Warm (max 25°C on Fri morning, min 15°C on Sat night). Wind will be generally light.

Thu
1
Friday
2
Saturday
3
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
2
2
2
1
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
NE
6
1.6
NE
7
1.8
NE
7
1.6
NE
7
1.6
NE
7
0.9
ENE
7
1
ENE
7
1.2
ENE
7
1.8
NE
6
1.5
ENE
7
1.4
ENE
8
1.3
ENE
8
1.1
ENE
8
1
ENE
7
1
ENE
7
1.3
ENE
7
1.9
NE
7
2
NE
7
Wave Graph
Metric surfscale
Energy kJ
231
220
316
262
269
90
108
138
259
215
213
173
138
114
101
173
315
357
Wind (km/h)
30
NNE
20
NNE
20
N
15
NNW
10
NNW
15
NNE
20
E
15
ENE
20
SSE
10
S
15
SSE
10
SW
10
S
5
N
10
NNE
15
NE
20
NNE
25
NNE
Wind State
cross-on
on
on
on
on
cross-on
cross
cross-on
off
off
off
cross-off
off
on
cross-on
cross-on
cross-on
cross-on
High Tide
11:44PM1.06m
11:59AM1.51m
00:58AM0.99m
1:08PM1.46m
Low Tide
5:47PM0.23m
5:19AM0.40m
6:58PM0.27m
6:22AM0.48m
8:18PM0.29m
clear
part cloud
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
5:30
—
—
—
—
—
—
—
5:28
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
—
5:55
—
—
—
—
—
—
—
5:55
—
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
2
2
—
—
—
Temp °C
22
21
21
21
21
25
21
20
19
19
19
19
18
17
17
18
18
18
Feels °C
16
17
16
17
17
21
17
19
17
20
19
19
18
18
17
17
16
15
  • 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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