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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 3 am Tuesday 21 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
22.3° 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 11AM is: 2.4m 10s primary swell from a South-southeast direction and 0.8m 13s secondary swell from a Southeast direction, 0.1m 13s secondary swell from a Northeast direction (forecast issued at 03:00am April 21). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 8ft (2.4m) | 10s |
| Afternoon (21 Apr) | 8ft (2.4m) | 10s |
| Evening (21 Apr) | 7.5ft (2.3m) | 10s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 7 PM | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1665 | 1503 | 1245 | 1262 | 1262 | 1102 | 1147 | 1256 | 1067 | 1116 | 1192 | 1181 | 1250 | 1274 | 1211 | 1234 | 1151 | 1130 | 990 | 860 | 595 | 687 | 551 | 544 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | off | off | off | off | off | off | off | off | off | off | off | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:24PM 1.71 | 11:15AM 1.10 | 11:18PM 1.64 | 12:22PM 1.02 | 12:20AM 1.55 | 1:39PM 0.99 | ||||||||||||||||||
Low Tide / height (m) | 5:14AM 0.08 | 4:42PM 0.36 | 6:18AM 0.14 | 5:40PM 0.45 | 7:28AM 0.20 | 6:51PM 0.52 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | 6:18 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:23 | - | - | - | - | - | - | - | 5:22 | - | - |
 | |  |  |  | |  | |  | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 18 | 17 | 17 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 20 | 19 | 19 | 19 |
| Feels °C (?) | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 17 | 17 | 16 | 16 | 18 |
- 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
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