Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 10 am 23 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
20.3°C
1.1° 

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 (23 Oct):

  • Morning surf: Morning surf (23 Oct, local time) - 5.5ft (1.7m), 6s period with ENE swell.
  • Afternoon surf: Afternoon surf (23 Oct, local time) - 5.5ft (1.7m), 6s period with ENE swell.
  • Evening surf: Evening surf (23 Oct, local time) - 6ft (1.9m), 7s period with ENE swell.

The current surf forecast for Backdoor 4 at 4PM is: 1.8m 6s primary swell from a East-northeast direction and 0.1m 16s secondary swell from a South direction, 0.1m 16s secondary swell from a South direction (forecast issued at 10:00am October 23). The wind direction is predicted to be cross-onshore.

Time (AEDT) & DateWave HeightWave Period
Morning (23 Oct)5.5ft (1.7m)6s
Afternoon (23 Oct)5.5ft (1.7m)6s
Evening (23 Oct)6ft (1.9m)7s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Fri morning. Warm (max 26°C on Sun afternoon, min 17°C on Fri night). Mainly fresh winds.

Friday
23
Saturday
24
Sunday
25
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
!
1
1
0
0
0
0
0
!
0
0
0
0
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)
1.7
ENE
6
1.7
ENE
6
1.5
ENE
6
1.9
ENE
6
1.9
ENE
7
1.9
ENE
7
2.2
NE
8
1.7
ENE
8
1.5
ENE
8
1.4
ENE
8
1.4
ENE
8
1.6
ENE
8
1.6
ENE
8
1.8
ENE
8
2.3
NE
8
1.7
ENE
8
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
2
ENE
8
2.4
NE
8
1.9
ENE
9
Wave Graph
Metric surfscale
Energy kJ
220
227
181
279
335
379
573
344
298
264
250
307
292
382
701
370
339
302
322
513
792
562
Wind (km/h)
30
NE
25
NE
30
NE
30
NE
30
NE
20
NE
10
NNE
10
WNW
10
WNW
15
ENE
25
ENE
25
NE
25
NE
15
NNE
10
NNW
15
N
15
N
20
NNE
20
NNE
25
NNE
25
NW
20
N
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
on
cross-on
on
on
on
on
cross-on
cross-on
on
High Tide
6:53AM1.32m
6:52PM1.34m
7:29AM1.45m
7:36PM1.36m
8:05AM1.57m
8:22PM1.35m
Low Tide
12:53PM0.37m
1:08AM0.16m
1:39PM0.26m
1:43AM0.14m
2:24PM0.16m
rain showers
rain showers
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
—
—
—
—
—
—
6:03
—
—
—
—
—
—
—
6:01
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
7:12
—
—
—
—
—
—
—
7:13
—
—
—
—
—
—
—
7:13
—
—
 mm
2
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
18
19
19
19
19
19
18
17
17
20
20
21
21
21
20
21
22
25
26
25
25
22
Feels °C
14
16
15
15
16
18
18
18
17
19
17
19
20
22
21
21
21
23
24
22
23
20
  • 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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