Backdoor 4 surfForecast / NSW – Newcastle / Australia

information circle12 Day Weather and Surf, issued 4 pm Saturday 06 Dec 2025 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
22.1° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Backdoor 4 this week:

The surf forecast for Backdoor 4 over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 07) at 8PM. The primary swell is predicted to be 2.2m and 8s period with a secondary swell of 0.5m and 7s. Another secondary swell of 0.1m and 15s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Backdoor 4 in the next 12 days are 2.5m 7s and forecast to arrive on Saturday (Dec 13) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Thursday (Dec 11) at 8AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 7th Dec)7ft (2.2m) 8s
Best Surf 8PM (Sun 7th Dec)7ft (2.2m) 8s
Most Powerful 8PM (Sat 13th Dec)8ft (2.5m) 7s

Table - best surf conditions forecast for Backdoor 4 over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Sun afternoon. Warm (max 30°C on Sat night, min 18°C on Sun afternoon). Winds decreasing (fresh winds from the NE on Sat afternoon, calm by Mon night).

Days 3-6 Weather Summary Heavy rain (total 25mm), heaviest during Fri morning. Warm (max 23°C on Tue afternoon, min 17°C on Fri morning). Mainly fresh winds.

Sat
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
1
!
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
2.1
NE
1.5
ENE
0.9
NE
2
S
2.1
SSE
1
S
1
ENE
1.2
ENE
0.9
ENE
0.9
ENE
1.1
ENE
1.5
S
1.1
S
0.6
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.9
E
1.6
E
1
E
1.4
ENE
Period(s) (?)688898666676679991312127
Wave
Graph
(?)Metric surfscale
Energy kJ (?)306330102459675113699455531171789237646262256738264171
Wind
(km/h)
35
NE
20
NW
35
S
25
SE
20
E
10
E
30
ENE
10
NE
10
E
25
NE
35
SSW
30
SSW
20
SSE
35
S
30
S
25
SSE
20
SSE
25
SE
30
ESE
15
NE
5
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
offcross-
off
crosscrosscross-
on
cross-
on
crosscross-
on
offcross-
off
offoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
High Tide
/ height (m)
10:32PM
1.14
10:29AM
1.83
11:27PM
1.10
11:20AM
1.75
12:24AM
1.08
12:13PM
1.64
1:23AM
1.07
1:06PM
1.50
2:24AM
1.10
2:02PM
1.35
3:25AM
1.14
3:01PM
1.21
4:21AM
1.21
Low Tide
/ height (m)
4:33PM
-0.06
3:55AM
0.27
5:26PM
-0.03
4:47AM
0.33
6:19PM
0.03
5:41AM
0.40
7:12PM
0.10
6:42AM
0.48
8:04PM
0.18
7:49AM
0.55
8:54PM
0.24
9:05AM
0.58
9:40PM
0.29
10:21AM
0.58
Sat
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Sunrise--5:37--5:37--5:37--5:37--5:37--5:37--5:37
Sunset7:51--7:52--7:52--7:53--7:54--7:54--7:55--
part cloud
part cloud
cloud
light rain
cloud
light rain
part cloud
clear
clear
clear
rain showers
thunderstorm
part cloud
thunderstorm
light rain
cloud
cloud
heavy rain
heavy rain
heavy rain
rain showers
Rain (mm)
---1-1----12-52--1532331
Temp. °C283026181820222123232220202119191917181820
Feels °C (?)242526131520221824222319182115141514141521
  • 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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Information about the Backdoor 4 Surf forecast

The above surf forecast table for Backdoor 4 provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Backdoor 4 can be found by selecting the local surf guide option on the grey menu. Our Backdoor 4 surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Backdoor 4) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Backdoor 4 may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Backdoor 4 is 14 km (9 miles) from the city of Catherine Hill Bay. If you plan a holiday in Newcastle, look for hotels and other accommodation in Catherine Hill Bay. Catherine Hill Bay has rooms for a wide range of budgets as well as car hire and transport links.

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