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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 am 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
22.2° 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 6PM is: 0.5m 8s primary swell from a South direction and 0.3m 6s secondary swell from a Northeast direction, 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 09:00am April 17). The wind direction is predicted to be glassy.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 2.5ft (0.7m) | 8s |
| Afternoon (17 Apr) | 2ft (0.6m) | 8s |
| Evening (17 Apr) | 5ft (1.6m) | 7s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 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 | 7 PM | 10 PM | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 6 | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 66 | 47 | 46 | 32 | 30 | 350 | 1123 | 1345 | 1618 | 1154 | 1212 | 1896 | 1965 | 1835 | 2053 | 2398 | 2191 | 2204 | 2092 | 2092 | 2700 | 3018 | 2782 | 2774 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | 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 |
High Tide / height (m) | 7:45AM 1.42 | 8:09PM 1.68 | 8:33AM 1.37 | 8:51PM 1.73 | 9:23AM 1.29 | 9:35PM 1.74 | ||||||||||||||||||
Low Tide / height (m) | 1:48PM 0.08 | 2:33AM 0.05 | 2:27PM 0.12 | 3:23AM 0.02 | 3:08PM 0.19 | |||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:27 | - | - | - | - |
 | | |  |  |  |  |  | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 23 | 26 | 23 | 20 | 17 | 17 | 17 | 14 | 17 | 17 | 17 | 17 | 17 | 15 | 14 | 13 | 16 | 17 | 17 | 18 | 18 | 16 | 15 |
| Feels °C (?) | 14 | 20 | 24 | 20 | 15 | 11 | 13 | 13 | 11 | 14 | 13 | 12 | 13 | 13 | 11 | 10 | 9 | 12 | 13 | 13 | 14 | 15 | 13 | 12 |
- Map Icons:
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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
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