Backdoor 4 surfForecast / NSW – Newcastle / Australia

information circle12 Day Weather and Surf, issued 9 pm Tuesday 01 Jul 2025 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
19.4° 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 Wednesday (Jul 02) at 1AM. The primary swell is predicted to be 3.0m and 12s period. 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 5.0m 12s and forecast to arrive on Thursday (Jul 03) at 10AM. 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 Wednesday (Jul 02) at 7PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Wed 2nd Jul)10ft (3.0m) 12s
Best Surf 1AM (Wed 2nd Jul)10ft (3.0m) 12s
Most Powerful10AM (Thu 3rd Jul)16ft (5.0m) 12s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
3
ESE
3.5
S
3.5
S
1.9
E
5
S
3.5
S
3.5
S
3
SSE
2.5
SSE
1.8
SSE
1.5
SSE
1.3
SSE
1.1
SE
0.9
SE
0.8
SSE
0.7
SSE
0.6
SSE
0.7
E
0.8
ENE
0.8
SE
0.7
SE
1
SE
0.6
SE
0.5
E
0.4
ENE
0.3
ENE
2
S
1.4
S
1
S
0.9
S
0.9
S
1.1
S
1
S
0.7
SSE
0.5
S
0.3
SE
Period(s) (?)1291012121010101099998888987798101111108888877610
Wave
Graph
(?)Metric surfscale
Energy (?)277033903978966128865522403518421426740477390272156147115781121141241162041021056239882328173122129164127653950
Wind
(km/h)
40
SW
40
SSW
40
WSW
45
WSW
35
SW
30
SW
25
SW
15
WSW
10
SSE
10
NNW
10
NNW
15
NNE
5
WSW
10
NW
5
N
10
WSW
10
WSW
10
SE
5
W
15
NW
25
NNW
25
NW
15
W
20
WNW
15
WNW
25
W
15
SSW
10
WSW
10
SW
5
SSE
10
W
5
WNW
10
NE
10
NNW
10
W
5
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
on
cross-
on
onglasscross-
on
glasscross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
on
cross-
on
crosscross
High Tide
/ height (m)
12:41AM
1.27
1:54PM
1.18
1:31AM
1.14
2:45PM
1.22
2:28AM
1.03
3:34PM
1.27
3:31AM
0.96
4:22PM
1.33
4:35AM
0.93
5:08PM
1.39
5:35AM
0.94
5:52PM
1.45
6:27AM
0.96
6:35PM
1.51
7:14AM
0.99
7:16PM
1.57
7:57AM
1.02
7:56PM
1.62
8:38AM
1.05
8:35PM
1.66
9:19AM
1.09
9:14PM
1.66
10:02AM
1.12
Low Tide
/ height (m)
7:21AM
0.29
7:45PM
0.58
8:01AM
0.34
8:56PM
0.59
8:43AM
0.39
10:05PM
0.56
9:28AM
0.42
11:07PM
0.50
10:16AM
0.44
12:00AM
0.42
11:04AM
0.44
12:46AM
0.35
11:51AM
0.42
1:28AM
0.28
12:36PM
0.40
2:08AM
0.22
1:19PM
0.37
2:47AM
0.17
2:01PM
0.35
3:25AM
0.13
2:44PM
0.34
4:03AM
0.10
3:28PM
0.35
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
Sunrise-6:58--6:58--6:56--6:56--6:56--6:56--6:56--6:56--6:56--6:56--6:56--6:56-
Sunset--4:57--4:57--4:58--4:58--4:59--4:59--5:00--5:00--5:00--5:00--5:01--5:01
heavy rainmod rainlight rainheavy rainclearpart cloudpart cloudclearclearclearclearpart cloudcloudcloudcloudpart cloudclearclearclearcloudcloudclearclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloud
Rain (mm)
2010513--------------------------------
Temp. °C161615151616131616151617161717151717161717161718131617131415151515141718
Feels °C (?)9986910713141314141516161316161613121113138111391213141413121516

Short Range Forecast: Heavy rain (total 48mm), heaviest during Tue night. Very mild (max 16°C on Tue night, min 12°C on Tue night). Winds decreasing (strong winds from the WSW on Wed night, calm by Fri afternoon).

Days 3-6 Weather Summary Mostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Fri night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Very mild (max 18°C on Wed afternoon, min 11°C on Wed night). Wind will be generally light.

Long Range Forecast: Mostly dry. Very mild (max 18°C on Sun afternoon, min 11°C on Thu night). Wind will be generally light.

  • 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 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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