Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Backdoor 4 surfForecast / NSW – Newcastle / Australia
48hr Weather and Surf, issued 10 am Wednesday 31 Dec 2025 AEDTForecast 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 cooler than normal)How big are the waves at Backdoor 4 today?
The current surf forecast for Backdoor 4 at 5PM is: 2.0m 12s primary swell from a East-southeast direction and 0.1m 12s secondary swell from a Northeast direction (forecast issued at 10:00am December 31). The wind direction is predicted to be cross-shore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Dec) | 3.5ft (1.0m) | 13s |
| Afternoon (31 Dec) | 6.5ft (2.0m) | 13s |
| Evening (31 Dec) | 7ft (2.1m) | 12s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 31 | Thursday 01 | Friday 02 | Sat 03 | |||||||||||||||||||||
| 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 9 | 10 | 10 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 384 | 1152 | 1301 | 1201 | 1163 | 1341 | 1276 | 1391 | 1230 | 1028 | 795 | 616 | 545 | 536 | 429 | 330 | 251 | 359 | 305 | 194 | 157 | 148 | 121 | 156 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | cross- off | cross | cross | cross- off | off | off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on |
High Tide / height (m) | 6:02AM 1.59 | 6:34PM 1.08 | 6:56AM 1.70 | 7:39PM 1.10 | 7:49AM 1.79 | 8:37PM 1.12 | ||||||||||||||||||
Low Tide / height (m) | 12:47PM 0.24 | 12:14AM 0.27 | 1:47PM 0.12 | 1:10AM 0.26 | 2:42PM 0.02 | 2:03AM 0.25 | ||||||||||||||||||
Wednesday 31 | Thursday 01 | Friday 02 | Sat 03 | |||||||||||||||||||||
| Sunrise | 5:46 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:05 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - | - | - | 8:06 | - | - | - |
 |  | | | |  |  |  | |  | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 19 | 20 | 20 | 20 | 20 | 19 | 18 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 |
| Feels °C (?) | 19 | 19 | 19 | 18 | 20 | 18 | 17 | 17 | 18 | 19 | 17 | 14 | 14 | 15 | 16 | 17 | 16 | 16 | 17 | 18 | 18 | 19 | 18 | 19 |
- 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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