Backdoor 4 surfForecast / NSW – Newcastle / Australia

information circle16 Day Weather and Surf, issued 3 am Saturday 30 May 2026 AEST
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
20.5° C
(Which is normal for this time of year)

Backdoor 4 surf forecast from 29 May 2026:

  • Best quality surf: Saturday 6 Jun, 10AM (local time) - 7.5ft (2.3m), 10s period, S swell with cross-shore winds.
  • Most powerful swell: Saturday 6 Jun, 10AM (local time) - 7.5ft (2.3m), 10s period, S swell with 998 kJ wave energy.
  • Next surfable swell (1★+): Saturday 30 May, 4PM (local time) - 5ft (1.5m), 8s period with S swell.

Best Forecast Surf Conditions for Backdoor 4 this week:

The surf forecast for Backdoor 4 over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 30) at 4PM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 1.0m and 10s. Another secondary swell of 0.2m and 3s 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 16 days are 2.3m 10s and forecast to arrive on Saturday (Jun 06) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 8s period and expected on Saturday (Jun 06) at 7AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Sat 30th May)5ft (1.5m) 8s
Best Surf10AM (Sat 6th Jun)7.5ft (2.3m) 10s
Most Powerful10AM (Sat 6th Jun)7.5ft (2.3m) 10s

Table - best surf conditions forecast for Backdoor 4 over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 19°C on Sat morning, min 11°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Some drizzle, heaviest during Tue afternoon. Warm (max 20°C on Wed morning, min 13°C on Thu night). Mainly fresh winds.

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
1.5
S
8
1.5
S
8
1.2
S
8
0.8
E
10
0.7
E
10
0.7
E
9
0.7
E
9
0.7
E
9
0.7
S
8
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
10
0.4
ENE
9
0.5
E
10
0.6
E
11
0.6
E
11
0.5
E
10
0.5
E
10
0.5
E
10
0.5
E
10
Wave Graph
Metric surfscale
Energy kJ
298
313
190
121
89
85
85
83
61
56
56
56
70
28
50
89
82
55
51
50
51
Wind (km/h)
25
W
10
SSW
20
WNW
25
W
20
WSW
20
W
15
W
5
NE
20
NW
25
NNW
30
NNW
20
NW
30
WNW
30
W
25
WNW
25
WNW
20
WSW
20
W
25
W
20
SW
15
WNW
cross
cross-off
cross
cross
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross-off
cross
cross
cross-off
cross
High Tide
7:33PM1.56m
8:09AM1.04m
8:08PM1.57m
8:49AM1.03m
8:45PM1.57m
9:29AM1.02m
9:23PM1.55m
10:10AM1.00m
10:02PM1.51m
10:54AM0.99m
10:41PM1.47m
11:41AM0.99m
11:22PM1.42m
Low Tide
12:58PM0.36m
2:19AM0.22m
1:35PM0.38m
2:58AM0.21m
2:11PM0.40m
3:37AM0.22m
2:49PM0.42m
4:17AM0.23m
3:27PM0.45m
4:58AM0.25m
4:08PM0.48m
5:39AM0.26m
4:53PM0.53m
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:47
6:48
6:48
6:48
6:48
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:54
4:53
4:53
4:53
4:52
4:52
4:52
1
Temp °C
19
19
14
18
18
12
15
17
14
18
16
16
20
19
16
19
19
14
17
18
12
15
16
10
13
13
6
12
14
9
12
11
12
14
13
10
13
14
9
12
12
7
Swell 1
Height (m)
Direction
Period (s)
1.5
S
8
1.5
S
8
1.2
S
8
0.9
S
8
0.7
E
10
1
S
6
1
S
7
0.7
E
9
0.7
S
8
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
10
0.4
ENE
9
0.5
E
10
0.7
SSW
9
0.6
E
11
0.5
E
10
0.5
E
10
0.5
E
10
0.5
E
10
Energy kJ
298
313
190
109
89
79
89
83
61
56
56
56
70
28
50
84
82
55
51
50
51
Swell 2
Height (m)
Direction
Period (s)
1.2
E
10
1
E
10
0.9
E
10
0.8
E
10
0.4
SSE
9
0.7
E
9
0.7
E
9
0.6
S
6
0.6
E
9
0.4
S
7
0.3
S
7
0.2
ENE
5
0.1
S
11
0.3
E
11
0.2
S
10
0.6
E
11
0.5
S
8
0.4
SSW
8
0.4
SSW
10
0.3
S
7
Energy kJ
284
192
153
121
28
85
85
25
57
15
9
3
2
21
8
89
34
22
35
9
Swell 3
Height (m)
Direction
Period (s)
0.1
S
15
0.1
S
14
0.1
N
9
0.1
N
10
0.1
S
10
0.3
S
10
0.3
SSW
9
0.2
SSW
11
0.1
S
10
0.1
NE
4
0.2
S
8
0.1
S
7
0.2
S
10
0.1
NE
7
0.5
S
12
0.3
SSW
12
0.2
S
11
0.2
S
10
Energy kJ
4
4
1
2
2
16
17
11
2
1
5
1
8
2
67
26
9
7
Wind waves
Height (m)
Direction
Period (s)
0.4
WNW
3
0.2
WNW
3
0.4
W
3
0.4
W
3
0.9
SSW
7
0.5
W
4
1.4
SSW
6
0.5
NW
4
0.6
NNW
3
0.6
NNW
3
0.8
NW
4
0.9
NW
4
0.8
W
4
1.1
WSW
4
0.8
WNW
4
0.8
NW
4
0.4
WNW
3
0.4
WNW
3
0.6
NW
3
1.4
SW
6
Energy kJ
3
1
3
3
91
7
150
6
9
8
16
27
18
40
16
17
3
3
8
124
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
2
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
Distance (km)
2
0
2
2
0
2
0
2
2
2
37
2
37
14
11
2
2
2
2
3
2
Best forecast wave conditions in Newcastle
Rating
(10 max)
3
3
2
2
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
Best forecast wave conditions in Australia
Rating
(10 max)
4
3
2
2
3
2
4
1
3
2
2
4
1
4
1
2
1
1
1
1
3
Header Global
Rating
(10 max)
5
5
5
7
7
6
5
5
4
4
5
4
4
5
5
5
5
5
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 16 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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