Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 3 am 26 Sep 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
17.7°C
1.0° 

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 (26 Sep):

  • Morning surf: Morning surf (26 Sep, local time) - 5ft (1.6m), 7s period with NE swell.
  • Afternoon surf: Afternoon surf (26 Sep, local time) - 4.5ft (1.4m), 7s period with ENE swell.
  • Evening surf: Evening surf (26 Sep, local time) - 4.5ft (1.4m), 7s period with ENE swell.

The current surf forecast for Backdoor 4 at 7AM is: 1.6m 7s primary swell from a Northeast direction and 1.1m 7s secondary swell from a East-northeast direction, 0.2m 9s secondary swell from a South direction (forecast issued at 03:00am September 26). The wind direction is predicted to be onshore.

Time (AEST) & DateWave HeightWave Period
Morning (26 Sep)5ft (1.6m)7s
Afternoon (26 Sep)4.5ft (1.4m)7s
Evening (26 Sep)4.5ft (1.4m)7s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Sun afternoon. Warm (max 27°C on Sat morning, min 14°C on Sun morning). Mainly strong winds.

Saturday
26
Sunday
27
Monday
28
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
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
2
0
1
1
2
1
0
!
!
!
1
2
2
1
2
2
1
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)
1.8
NE
7
1.6
NE
7
1.6
NE
7
1
ENE
7
1.2
ENE
7
1.5
ENE
7
1.6
NE
7
1.4
ENE
7
1.9
S
6
1.9
S
7
1.8
S
7
1.7
S
8
2.1
S
7
2.3
SSE
8
2.3
SSE
8
2.2
SSE
8
2
SSE
8
1.9
SSE
8
1.8
SSE
8
1.7
SSE
8
1.4
SSE
8
1
S
8
1
S
8
1.1
S
8
Wave Graph
Metric surfscale
Energy kJ
284
228
226
102
134
211
227
191
264
321
343
320
439
592
705
642
524
454
412
344
236
127
124
146
Wind (km/h)
10
N
10
N
10
N
10
NE
25
ENE
25
NE
5
ENE
40
S
35
S
30
S
25
SSW
20
SW
40
SSE
30
SSE
25
SSE
25
SSE
25
SE
25
SE
20
SE
15
SE
15
ESE
15
ESE
15
E
15
ENE
Wind State
on
on
on
cross-on
cross-on
cross-on
glassy
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
High Tide
7:40AM1.41m
7:47PM1.48m
8:15AM1.50m
8:27PM1.44m
8:51AM1.56m
9:09PM1.37m
Low Tide
1:29AM0.12m
1:41PM0.22m
2:01AM0.10m
2:23PM0.17m
2:34AM0.11m
3:08PM0.14m
clear
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
clear
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:39
—
—
—
—
—
—
—
5:37
—
—
—
—
—
—
—
5:35
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
5:52
—
—
—
—
—
—
—
5:52
—
—
—
—
—
—
—
5:52
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
1
2
1
—
—
—
—
—
—
—
—
—
Temp °C
21
20
20
25
27
26
25
16
15
15
15
15
14
14
15
15
15
14
14
15
15
16
16
16
Feels °C
20
18
18
23
23
21
25
10
10
10
11
11
7
8
10
10
9
9
9
11
12
13
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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