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Surf Forecasts:

Backdoor 4 surfForecast / NSW – Newcastle / Australia

information circle48hr Weather and Surf, issued 4 pm Tuesday 17 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
23.6° 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 9PM is: 0.8m 11s primary swell from a South direction and 0.7m 6s secondary swell from a East-northeast direction, 0.1m 8s secondary swell from a East direction (forecast issued at 04:00pm March 17). The wind direction is predicted to be offshore.

Time (AEDT) & DateWave HeightWave Period
Morning (17 Mar)--
Afternoon (17 Mar)1.5ft (0.5m)11s
Evening (17 Mar)2.5ft (0.8m)11s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM
Rating
(10 max)
1
1
1
1
1
1
0
0
0
0
0
1
0
0
0
0
0
1
1
1
0
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
S
0.5
S
0.8
S
0.5
S
0.5
S
0.5
S
0.4
S
0.7
S
1
S
1.1
S
0.2
S
1
SSE
0.7
S
0.6
S
0.5
S
0.5
S
0.5
S
0.6
S
0.7
SE
0.7
SE
0.4
ENE
0.8
SE
1
SE
1.1
SE
Period(s) (?)12111111101010666106669888668666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)665814655544931397491872362738293146363623476982
Wind
(km/h)
0
ENE
20
S
20
SSE
5
SW
10
SSW
10
SSW
10
SSW
15
SSE
15
SSE
15
SSE
15
SE
10
SSE
10
S
15
SSW
15
SSW
10
SSW
10
S
10
S
10
S
10
SSW
10
SW
15
SW
15
S
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassoffoffcross-
off		offcross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		offoffoffoffoffcross-
off		cross-
off		offoff
High Tide
/ height (m)
8:27PM
1.31
8:29AM
1.57
9:03PM
1.41
9:09AM
1.56
9:40PM
1.51
9:50AM
1.51
Low Tide
/ height (m)
2:20PM
0.11
2:16AM
0.26
2:53PM
0.06
3:00AM
0.19
3:27PM
0.04
3:45AM
0.14
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise------6:54-------6:54-------6:56-
Sunset-7:09-------7:07-------7:07------
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
rain showers
rain showers
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
clear
rain showers
thunderstorm
Rain (mm)
--------11---11432111-12
Temp. °C302724232322222322222222222120202020202020192022
Feels °C (?)312522242323232322222223242220212121212121192021
  • 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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