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Backdoor 4 Surf Forecast
/ NSW – Newcastle (55 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Backdoor 4 surfForecast / NSW – Newcastle / Australia
48hr Weather and Surf, issued 9 pm Friday 17 Apr 2026 AESTForecast 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 normal for this time of year)How big are the waves at Backdoor 4 today?
The current surf forecast for Backdoor 4 at 3AM is: 2.5m 9s primary swell from a South direction and 0.1m 8s secondary swell from a Northeast direction, 0.1m 10s secondary swell from a East direction (forecast issued at 09:00pm April 17). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 10ft (3.0m) | 10s |
| Afternoon (18 Apr) | 10ft (3.0m) | 12s |
| Evening (18 Apr) | 10ft (3.0m) | 11s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 6 | 8 | 9 | 10 | 10 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 30 | 275 | 881 | 1029 | 1509 | 1177 | 1235 | 2033 | 2183 | 1973 | 2091 | 2153 | 2008 | 2056 | 2092 | 2128 | 2612 | 2879 | 2925 | 2479 | 2644 | 2511 | 2422 | 2081 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 8:09PM 1.68 | 8:33AM 1.37 | 8:51PM 1.73 | 9:23AM 1.29 | 9:35PM 1.74 | 10:17AM 1.20 | ||||||||||||||||||
Low Tide / height (m) | 2:33AM 0.05 | 2:27PM 0.12 | 3:23AM 0.02 | 3:08PM 0.19 | 4:17AM 0.03 | 3:53PM 0.27 | ||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:18 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:25 |
 |  |  |  |  |  | | | | | | | | | | | | |  | | | | | | |
Rain (mm) | - | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 17 | 17 | 16 | 14 | 16 | 17 | 17 | 17 | 17 | 15 | 14 | 13 | 16 | 18 | 17 | 18 | 18 | 16 | 15 | 15 | 17 | 19 | 19 |
| Feels °C (?) | 16 | 11 | 13 | 13 | 10 | 14 | 13 | 12 | 13 | 14 | 12 | 10 | 10 | 13 | 15 | 13 | 15 | 15 | 13 | 12 | 12 | 14 | 15 | 15 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Backdoor 4 surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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