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Surf Forecasts:

Backdoor 4 surfForecast / NSW – Newcastle / Australia

information circle48hr Weather and Surf, issued 4 am Friday 20 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
23.5° C
 (Which is normal for this time of year)

How big are the waves at Backdoor 4 today?

The current surf forecast for Backdoor 4 at 8AM is: 0.4m 8s primary swell from a East-northeast direction and 0.5m 6s secondary swell from a South-southeast direction (forecast issued at 04:00am March 20). The wind direction is predicted to be cross-offshore.

Time (AEDT) & DateWave HeightWave Period
Morning (20 Mar)2ft (0.6m)6s
Afternoon (20 Mar)1.5ft (0.4m)8s
Evening (20 Mar)2ft (0.6m)6s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
20
Saturday
21
Sunday
22
2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
1
0
1
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
S
0.4
ENE
0.4
ENE
0.6
SSE
0.4
ENE
0.4
ENE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.8
SE
0.7
SE
0.7
SE
0.6
SE
0.5
E
0.5
E
0.5
E
0.4
E
0.4
E
0.5
E
0.6
E
0.6
E
0.6
E
0.6
E
Period(s) (?)8886886666766689811101010999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)232323222222252622325241383037383637334868626055
Wind
(km/h)
10
SW
15
SW
10
SW
10
S
10
SSE
10
SE
10
SE
5
SE
5
SW
10
SW
5
SW
5
SSW
10
SSE
15
SE
15
SE
20
SE
15
SSE
15
S
20
S
20
SSE
15
SE
15
ESE
15
E
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off		glasscross-
off		cross-
off		glasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		crosscross
High Tide
/ height (m)
9:50AM
1.51
10:18PM
1.57
10:34AM
1.43
10:58PM
1.60
11:22AM
1.31
Low Tide
/ height (m)
3:45AM
0.14
4:02PM
0.06
4:31AM
0.12
4:38PM
0.12
5:21AM
0.13
5:17PM
0.20
Friday
20
Saturday
21
Sunday
22
Sunrise--6:56-------6:56-------6:56-----
Sunset-----7:06-------7:04-------7:02--
rain showers
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
part cloud
part cloud
thunderstorm
part cloud
cloud
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
Rain (mm)
2--221------1---21111--1
Temp. °C212020222223232221202022222323232222212223232323
Feels °C (?)222021232224242323212124232323222121202123232423
  • 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

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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.

View detailed surf forecast for Backdoor 4 at:
surf-forecast.com

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