Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 4 pm 12 Nov 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
20.7°C
0.6° 

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 (13 Nov):

  • Morning surf: Morning surf (13 Nov, local time) - 3ft (0.9m), 5s period with SE swell.
  • Afternoon surf: Afternoon surf (13 Nov, local time) - 4ft (1.2m), 5s period with ENE swell.
  • Evening surf: Evening surf (13 Nov, local time) - 6ft (1.9m), 6s period with NE swell.

The current surf forecast for Backdoor 4 at 1AM is: 0.9m 6s primary swell from a Southeast direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 04:00pm November 12). The wind direction is predicted to be cross-shore.

Time (AEDT) & DateWave HeightWave Period
Morning (13 Nov)3ft (0.9m)5s
Afternoon (13 Nov)4ft (1.2m)5s
Evening (13 Nov)6ft (1.9m)6s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Warm (max 28°C on Sat morning, min 19°C on Thu afternoon). Winds decreasing (fresh winds from the NE on Fri afternoon, calm by Sat night).

Thu
12
Friday
13
Saturday
14
Sun
15
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
2 AM
5 AM
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1
1
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)
0.4
SE
10
0.4
SE
10
1.1
SE
6
1
SE
6
0.9
SE
6
0.9
SE
5
0.9
SE
5
0.6
SE
5
1.1
ENE
4
1.5
ENE
5
1.9
NE
6
1.8
NE
6
1.5
NE
6
1.1
ENE
7
0.9
ENE
7
0.9
ENE
7
0.9
ENE
7
1
ENE
7
1
NE
5
1
ENE
6
0.8
ENE
6
0.6
ENE
6
Wave Graph
Metric surfscale
Energy kJ
25
24
80
66
52
49
39
23
42
111
228
248
170
99
79
79
79
96
47
63
38
30
Wind (km/h)
20
SE
15
SE
15
E
10
ESE
10
ENE
10
ENE
15
NE
20
ENE
30
ENE
40
NE
30
NE
10
NW
10
WNW
10
W
5
NW
5
NNE
20
ESE
15
NE
5
ENE
15
S
20
SW
15
SW
Wind State
cross-off
cross-off
cross
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-off
cross-on
glassy
off
cross-off
cross-off
High Tide
11:13PM1.01m
11:06AM1.49m
11:58PM0.97m
11:47AM1.43m
00:49AM0.94m
Low Tide
5:18PM0.23m
4:32AM0.45m
6:02PM0.28m
5:11AM0.50m
6:49PM0.32m
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
light rain
light rain
part cloud
clear
clear
cloud
part cloud
part cloud
thunderstorm
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
5:45
—
—
—
—
—
—
—
5:43
—
—
—
—
—
—
—
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:30
—
—
—
—
—
—
—
7:30
—
—
—
—
—
—
—
7:30
—
—
—
7:31
 mm
—
—
—
—
—
—
—
—
—
—
—
1
1
—
—
—
—
—
—
1
1
—
Temp °C
19
19
19
19
20
19
19
20
20
21
21
21
21
20
21
28
25
24
22
20
19
19
Feels °C
17
18
19
20
21
20
19
19
18
17
19
23
23
21
22
28
23
24
24
20
18
19
  • 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 

Never miss your swells again.

Built by surfers, trusted by millions for over 20 years. The Wavefinder in our app makes it even easier to find where the best waves are breaking. Follow the yellow stars along your coast and get there first.

QR code to download the Surf‑Forecast app
app storeplay store

Scan the QR code to open the Surf‑Forecast app

Surf‑Forecast mobile app preview

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.


Nearest locationNearest