Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 48 hour detailed Surf Forecast

Issued: 10 pm 31 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
20.4°C
0.9° 

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 (01 Nov):

  • Morning surf: Morning surf (01 Nov, local time) - 2.5ft (0.8m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (01 Nov, local time) - 1.5ft (0.5m), 11s period with S swell.
  • Evening surf: Evening surf (01 Nov, local time) - 2.5ft (0.7m), 7s period with S swell.

The current surf forecast for Backdoor 4 at 4AM is: 0.9m 7s primary swell from a East-northeast direction and 0.5m 10s secondary swell from a South direction, 0.4m 3s secondary swell from a Northwest direction (forecast issued at 10:00pm October 31). The wind direction is predicted to be cross-onshore.

Time (AEDT) & DateWave HeightWave Period
Morning (01 Nov)2.5ft (0.8m)7s
Afternoon (01 Nov)1.5ft (0.5m)11s
Evening (01 Nov)2.5ft (0.7m)7s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Mon night. Warm (max 24°C on Tue afternoon, min 17°C on Sun night). Wind will be generally light.

Sat
31
Sunday
1
Monday
2
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
0
0
0
0
0
1
1
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)
1.6
NE
7
1
ENE
6
0.9
ENE
7
0.9
ENE
7
0.8
ENE
7
0.8
ENE
7
0.8
ENE
7
0.5
S
11
0.6
ENE
7
0.8
S
8
1
S
9
0.8
S
8
0.6
S
7
0.6
ENE
7
0.8
ENE
7
0.5
S
10
1.2
ENE
5
0.5
S
9
Wave Graph
Metric surfscale
Energy kJ
259
88
83
79
68
68
61
55
36
78
152
78
37
36
51
45
61
45
Wind (km/h)
15
NNW
20
NNW
20
NW
25
WNW
20
W
20
SE
20
E
15
E
15
ENE
10
ESE
10
SSE
5
SE
5
W
10
NE
20
ENE
20
NE
25
NNE
10
N
Wind State
cross-on
on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
cross-off
off
cross-off
glassy
cross-on
cross-on
cross-on
cross-on
on
High Tide
2:02AM1.01m
1:52PM1.50m
3:20AM1.03m
3:04PM1.43m
Low Tide
7:52PM0.17m
7:16AM0.50m
9:01PM0.20m
8:38AM0.54m
10:06PM0.20m
cloud
part cloud
thunderstorm
clear
clear
clear
clear
clear
rain showers
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
thunderstorm
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
5:54
—
—
—
—
—
—
—
5:54
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
—
7:20
—
—
—
—
—
—
—
7:20
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 mm
—
—
1
—
—
—
—
—
1
—
—
—
—
—
—
—
4
—
Temp °C
23
21
20
19
21
20
19
19
18
18
18
17
18
19
19
19
19
19
Feels °C
22
19
18
16
19
18
17
18
17
18
18
18
20
20
17
18
17
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 

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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