Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 4 am 28 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
21.3°C
1.9° 

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 (28 Oct):

  • Morning surf: Morning surf (28 Oct, local time) - 2.5ft (0.7m), 7s period with S swell.
  • Afternoon surf: Afternoon surf (28 Oct, local time) - 3ft (0.9m), 7s period with S swell.
  • Evening surf: Evening surf (28 Oct, local time) - 3.5ft (1.1m), 7s period with S swell.

The current surf forecast for Backdoor 4 at 8AM is: 0.7m 7s primary swell from a South direction and 0.6m 7s secondary swell from a East-northeast direction (forecast issued at 04:00am October 28). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (AEDT) & DateWave HeightWave Period
Morning (28 Oct)2.5ft (0.7m)7s
Afternoon (28 Oct)3ft (0.9m)7s
Evening (28 Oct)3.5ft (1.1m)7s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Wed morning, min 15°C on Wed morning). Winds increasing (light winds from the WSW on Wed night, fresh winds from the NE by Fri night).

Wednesday
28
Thursday
29
Friday
30
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
0
0
0
1
0
0
1
1
0
1
3
2
2
3
4
4
3
2
1
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
S
8
0.8
S
7
0.7
S
7
0.9
S
8
0.9
S
8
1
S
7
1.1
S
7
0.9
S
7
1
S
7
1
S
7
1.1
S
10
1.5
S
10
1.6
S
11
1.4
S
11
1.6
S
14
1.8
S
11
1.7
S
10
1.6
S
10
1.5
S
10
1.4
S
9
1.5
S
14
1.4
S
13
1.3
S
12
1.2
S
13
Wave Graph
Metric surfscale
Energy kJ
72
70
51
98
89
106
117
70
89
92
244
486
564
432
974
785
625
502
415
340
865
630
493
470
Wind (km/h)
15
SW
15
WSW
15
W
15
WSW
15
SSE
20
SE
15
SSE
10
S
5
WSW
10
WNW
5
W
10
ESE
20
SE
20
SE
15
ESE
15
ESE
5
SE
10
ESE
10
ENE
15
ENE
20
ENE
30
ENE
35
NE
25
NNE
Wind State
cross-off
cross-off
cross
cross-off
off
cross-off
cross-off
off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross-on
cross-on
cross-on
High Tide
10:07AM1.74m
10:48PM1.19m
10:54AM1.72m
11:45PM1.11m
11:46AM1.66m
Low Tide
3:39AM0.20m
4:49PM0.04m
4:23AM0.27m
5:44PM0.07m
5:12AM0.35m
6:45PM0.12m
rain showers
part cloud
part cloud
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:58
—
—
—
—
—
—
—
5:58
—
—
—
—
—
—
—
5:56
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
7:15
—
—
—
—
—
—
—
7:16
—
—
—
—
—
—
—
7:17
—
—
 mm
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
17
16
15
21
21
20
17
17
16
15
15
17
18
18
18
18
17
17
17
18
18
18
18
18
Feels °C
15
13
11
16
17
15
14
16
15
13
14
15
15
14
16
16
17
16
16
16
15
13
13
14
  • 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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