Backdoor 4 surfForecast / NSW – Newcastle / Australia

information circle48hr Weather and Surf, issued 10 am Monday 23 Mar 2026 AEDT
Forecast update in hr  min  s Forecast update imminent
Backdoor 4 surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backdoor 4 sea temperature is
23.9° C
(Which is slightly warmer than usual)

How big are the waves at Backdoor 4 today?

The current surf forecast for Backdoor 4 at 2PM is: 1.1m 7s primary swell from a East direction and 0.1m 14s secondary swell from a Northeast direction (forecast issued at 10:00am March 23). The wind direction is predicted to be cross-shore.

Time (AEDT) & DateWave HeightWave Period
Morning (23 Mar)3.5ft (1.1m)6s
Afternoon (23 Mar)3.5ft (1.1m)7s
Evening (23 Mar)4.5ft (1.3m)7s

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


Updates in  hr  min  s Forecast update imminent
Monday
23
Tuesday
24
Wednesday
25
Thu
26
8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
2
2
2
2
1
1
!
!
!
Swell
Height Map
Wave Height (m) & direction (?)
1
ESE
1.1
E
1.1
E
1.2
E
1.3
E
1.3
E
1.3
E
1.2
E
1.2
ENE
1.2
ENE
1.3
ENE
1.3
ENE
1.3
ENE
1.4
ENE
1.4
ENE
1.5
E
1.5
E
1.5
E
1.5
E
1.5
E
1.5
E
2.1
ENE
2.3
ENE
2.4
ENE
Period(s) (?)6777777778889999999910121213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)88107110131153150152134164192235246264318326372372372380405441126115431780
Wind
(km/h)
10
ENE
10
NE
15
ENE
20
ENE
20
ENE
20
NE
20
NE
15
NE
10
NE
15
NE
10
E
15
E
15
E
10
NE
5
NW
10
WSW
10
WSW
5
SSE
15
ESE
15
E
15
NE
10
NNE
5
NW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscross-
on
cross-
on
cross-
off
cross-
off
glasscross-
off
crosscross-
on
onglasscross-
on
High Tide
/ height (m)
12:14PM
1.18
12:33AM
1.56
1:16PM
1.06
1:33AM
1.50
2:34PM
0.97
2:45AM
1.45
Low Tide
/ height (m)
6:16AM
0.18
6:00PM
0.30
7:20AM
0.24
6:51PM
0.40
8:34AM
0.29
7:57PM
0.49
Monday
23
Tuesday
24
Wednesday
25
Thu
26
Sunrise6:58-------6:58-------6:58-------
Sunset---7:01-------7:00-------6:59----
rain showers
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
111--1------------------
Temp. °C212222232222222222232323232220191921222222222019
Feels °C (?)222322222121212122222222222322202023222222242220
  • 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

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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