Backdoor 4 surfForecast / NSW – Newcastle / Australia

information circle16 Day Weather and Surf, issued 3 pm Sunday 24 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
21.0° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (May 25) at 1AM. The primary swell is predicted to be 3.0m and 12s period with a secondary swell of 0.1m and 12s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Backdoor 4 in the next 16 days are 5.5m 12s and forecast to arrive on Sunday (May 31) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Sunday (May 31) at 7AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Mon 25th May)10ft (3.0m) 12s
Best Surf 1AM (Mon 25th May)10ft (3.0m) 12s
Most Powerful10PM (Sun 31st May)18ft (5.5m) 12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 29mm), heaviest during Tue afternoon. Warm (max 20°C on Mon afternoon, min 16°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the NE by Tue afternoon).

Days 5-7 Weather Summary

Heavy rain (total 33mm), heaviest during Wed night. Very mild (max 19°C on Wed night, min 14°C on Thu night). Wind will be generally light.

Sun
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
!
!
!
!
!
!
0
!
!
!
!
!
!
2
2
2
0
2
1
0
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
E
12
3
E
12
2.5
E
11
2.5
E
12
2.3
E
12
2.3
E
12
3
E
12
3
ENE
12
3
ENE
13
2.4
E
13
2.1
E
12
2.3
E
11
2.3
E
11
1.8
ESE
10
1.4
E
10
1.3
E
10
1.2
E
10
1.3
E
9
1.4
ESE
9
1.2
E
9
4.5
S
11
Wave Graph
Metric surfscale
Energy kJ
2321
2043
1695
1652
1447
1469
2687
2597
2593
1825
1225
1288
1208
735
377
318
260
287
340
240
4801
Wind (km/h)
15
ENE
15
NE
0
N
10
NE
15
ENE
10
NE
30
NE
5
W
5
S
10
SE
15
ENE
15
NE
10
N
10
NW
15
WSW
15
WSW
15
NNW
10
SSW
20
SW
30
SW
35
SW
cross
cross-on
glassy
cross-on
cross
cross-on
cross-on
cross
glassy
cross-off
cross
cross-on
on
cross-on
cross-off
cross-off
on
cross-off
cross-off
cross-off
cross-off
High Tide
3:15AM1.25m
4:23PM1.27m
4:15AM1.18m
5:08PM1.36m
5:10AM1.12m
5:47PM1.43m
6:00AM1.08m
6:23PM1.49m
6:45AM1.06m
6:57PM1.54m
7:28AM1.05m
7:33PM1.56m
8:09AM1.04m
Low Tide
9:17PM0.53m
9:49AM0.25m
10:27PM0.49m
10:32AM0.28m
11:27PM0.43m
11:10AM0.31m
00:17AM0.37m
11:47AM0.33m
1:01AM0.31m
12:22PM0.35m
1:41AM0.26m
12:58PM0.36m
2:19AM0.22m
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
thunderstorm
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
cloud
rain showers
cloud
cloud
rain showers
rain showers
rain showers
mod rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
6:45
6:45
6:46
6:47
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:57
4:57
4:55
4:55
4:54
4:54
4:54
4:53
1
7
2
1
1
3
10
3
1
4
17
9
1
1
1
4
7
Temp °C
19
19
18
20
19
19
20
18
18
18
19
18
19
16
17
17
15
17
18
17
18
18
18
19
20
18
19
16
18
18
17
19
18
18
15
15
15
12
16
16
12
11
Swell 1
Height (m)
Direction
Period (s)
3
E
12
3
E
12
2.5
E
11
2.5
E
12
2.3
E
12
2.3
E
12
2.5
E
12
2.5
E
12
2.5
E
12
0.2
S
10
2.1
E
12
2.3
E
11
2.3
E
11
1.8
ESE
10
1.4
E
10
1.3
E
10
1.2
E
10
1.3
E
9
1.4
ESE
9
1.2
E
9
0.8
E
9
Energy kJ
2321
2043
1695
1652
1447
1469
1912
2174
1927
8
1225
1288
1208
735
377
318
260
287
340
240
101
Swell 2
Height (m)
Direction
Period (s)
0.1
S
14
0.1
S
12
0.1
S
18
0.3
S
16
0.4
S
14
0.4
S
12
0.3
S
12
0.3
S
11
0.2
S
10
0.2
S
10
0.3
S
9
0.3
S
8
0.2
S
8
0.2
S
12
0.9
SSE
7
0.9
SSE
7
0.9
SSE
7
0.9
SSE
7
0.9
S
7
0.3
S
13
Energy kJ
4
3
6
45
62
47
24
21
8
8
15
12
5
11
86
86
97
89
83
30
Swell 3
Height (m)
Direction
Period (s)
0.1
S
18
0.1
S
10
0.1
S
19
0.1
S
17
0.1
S
16
0.1
S
16
0.2
S
15
0.2
S
14
0.2
S
16
0.2
S
11
0.3
S
10
0.3
S
17
0.3
S
15
0.2
S
14
0.4
S
13
Energy kJ
6
2
7
6
5
5
17
15
20
9
18
53
41
16
52
Wind waves
Height (m)
Direction
Period (s)
3
E
12
3
ENE
12
3
ENE
13
2.4
E
13
0.4
NW
3
0.4
NW
3
0.3
NW
3
0.2
NNW
3
2.2
SSW
6
4.5
S
11
Energy kJ
2687
2597
2593
1825
2
3
2
1
363
4801
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
3
5
5
5
4
3
4
4
3
2
2
2
2
2
2
2
Distance (km)
37
32
0
3
37
32
182
0
0
0
37
3
2
2
0
0
2
0
0
45
325
Best forecast wave conditions in Newcastle
Rating
(10 max)
4
4
4
4
4
4
5
5
4
4
4
4
3
2
2
2
2
2
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
4
4
4
5
5
5
5
4
5
4
4
4
4
3
3
4
3
3
4
Header Global
Rating
(10 max)
5
5
5
4
4
4
9
9
8
7
7
6
6
9
8
9
5
5
4
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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