Backdoor 4 surfForecast / NSW – Newcastle / Australia

information circle16 Day Weather and Surf, issued 9 am 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
21.2° 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 Sunday (May 24) at 4PM. The primary swell is predicted to be 3.0m and 12s period with a secondary swell of 0.1m and 14s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Backdoor 4 in the next 16 days are 4.5m 12s and forecast to arrive on Sunday (May 31) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 10s period and expected on Saturday (May 30) at 10PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Sun 24th May)10ft (3.0m) 12s
Best Surf 4PM (Sun 24th May)10ft (3.0m) 12s
Most Powerful 4PM (Sun 31st May)15ft (4.5m) 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 37mm), heaviest during Tue night. Warm (max 20°C on Sun morning, min 16°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 41mm), heaviest during Thu morning. Warm (max 20°C on Wed afternoon, min 14°C on Fri night). Wind will be generally light.

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
!
!
!
!
!
!
!
0
!
!
0
0
0
4
!
!
!
0
2
2
!
Swell
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
12
2.5
E
11
2.4
E
12
2.3
E
12
2.5
E
12
2.5
E
12
2.5
E
12
2.5
E
12
2.3
E
12
2.4
E
12
2.5
E
10
1.7
E
10
2.4
ESE
10
2.3
ESE
10
2.2
ESE
9
1.7
ESE
9
1.7
ESE
9
1.6
ESE
9
4.5
S
11
Wave Graph
Metric surfscale
Energy kJ
2586
2321
1901
1695
1522
1423
1920
1765
2139
1985
1522
1584
1225
603
1049
970
813
484
456
409
5079
Wind (km/h)
15
E
15
ENE
15
NE
5
NW
5
E
10
ESE
5
ENE
25
NE
20
NNE
0
NW
20
ENE
20
ENE
20
NE
5
NNW
5
NNE
10
W
5
WNW
20
N
0
NW
15
S
25
W
cross
cross
cross-on
glassy
cross
cross-off
glassy
cross-on
cross-on
glassy
cross-on
cross-on
cross-on
glassy
on
cross
glassy
on
glassy
off
cross-off
High Tide
3:32PM1.18m
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
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
part cloud
mod rain
light rain
thunderstorm
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
rain showers
rain showers
cloud
light rain
part cloud
part cloud
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
6:43
6:45
6:45
6:46
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
1
1
6
1
6
4
9
9
3
5
18
11
2
1
1
3
1
Temp °C
20
20
19
19
19
19
19
19
18
18
20
20
19
18
17
18
19
16
17
17
16
18
19
19
20
20
19
18
16
18
19
18
18
17
19
18
18
19
15
16
15
13
Swell 1
Height (m)
Direction
Period (s)
3
E
12
3
E
12
2.5
E
12
2.5
E
11
2.4
E
12
2.3
E
12
2.4
E
12
0.4
S
12
0.3
S
11
0.2
S
10
2.3
E
12
0.6
S
9
2.5
E
10
1.7
E
8
2.4
ESE
10
2.3
ESE
10
2.2
ESE
9
1.7
ESE
9
1.7
ESE
9
1.6
ESE
9
1.6
ESE
10
Energy kJ
2586
2321
1901
1695
1522
1423
1626
42
21
8
1522
55
1225
405
1049
970
813
484
456
409
435
Swell 2
Height (m)
Direction
Period (s)
0.1
S
15
0.1
S
14
0.1
S
12
0.1
S
18
0.3
S
16
0.4
S
14
0.4
S
12
0.1
S
17
0.1
S
17
0.1
S
17
0.3
S
10
0.1
S
16
0.7
SSE
8
1.7
E
10
0.1
S
17
0.3
S
10
0.3
S
10
0.8
S
7
0.2
S
15
0.3
S
14
Energy kJ
4
4
3
6
45
62
47
6
6
6
17
5
72
603
5
18
17
68
18
37
Swell 3
Height (m)
Direction
Period (s)
0.1
S
18
0.1
S
10
0.1
S
9
0.1
S
19
0.1
S
17
0.1
S
15
0.9
SSE
8
0.3
S
10
0.2
S
19
0.2
S
18
0.1
N
9
0.1
N
9
Energy kJ
6
2
2
7
6
4
94
18
30
24
2
2
Wind waves
Height (m)
Direction
Period (s)
2.5
E
12
2.5
E
12
2.5
E
12
2.5
E
12
2.4
E
12
0.4
SW
3
1
SSW
7
3
SSW
7
4.5
S
11
Energy kJ
1920
1765
2139
1985
1584
2
96
734
5079
Nearest Offshore or Glassy
Rating
(10 max)
2
2
4
4
4
3
4
4
4
4
4
4
3
4
4
3
3
3
2
2
2
Distance (km)
68
68
3
0
11
37
0
303
37
0
46
180
32
0
2
0
0
27
0
0
2
Best forecast wave conditions in Newcastle
Rating
(10 max)
4
4
4
4
5
4
5
4
4
4
4
3
3
3
4
5
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
4
4
4
4
5
5
4
5
5
4
4
4
5
5
4
3
3
4
6
Header Global
Rating
(10 max)
5
5
5
4
4
4
5
9
9
8
7
6
6
7
9
9
9
6
5
4
6
  • 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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