- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 Thursday 23 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
22.0° 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 8AM is: 2.1m 11s primary swell from a Southeast direction and 1.2m 12s secondary swell from a East-southeast direction (forecast issued at 03:00am April 23). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 7ft (2.1m) | 11s |
| Afternoon (23 Apr) | 5ft (1.6m) | 11s |
| Evening (23 Apr) | 4.5ft (1.4m) | 11s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Thu night, min 16°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||||||||||
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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SE 11 | SE 11 | SE 11 | SE 11 | SSE 11 | SSE 11 | SSE 10 | ESE 11 | ESE 10 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | E 8 | E 8 | E 8 | E 8 | E 8 | |
1416 | 1256 | 1151 | 972 | 613 | 560 | 494 | 452 | 404 | 452 | 373 | 452 | 372 | 396 | 365 | 295 | 266 | 154 | 180 | 205 | 165 | 187 | 124 | 98 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | glassy | cross-off | cross-off | glassy | cross | cross-on | cross-on | on | |
High Tide | 00:20AM1.55m | 1:39PM0.99m | 1:29AM1.47m | 2:58PM1.02m | 2:43AM1.41m | 4:06PM1.09m | ||||||||||||||||||
Low Tide | 7:28AM0.20m | 6:51PM0.52m | 8:40AM0.23m | 8:15PM0.55m | 9:44AM0.23m | 9:36PM0.53m | ||||||||||||||||||
 |  |  | |  | | | | | | | |  | |  | | | | | | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:20 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 18 | 18 | 19 | 20 | 20 | 20 | 19 |
16 | 16 | 15 | 14 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 17 | 18 | 18 | 19 | 20 | 20 | 18 | 18 | 20 | 19 | 18 | 18 | 17 | |
Swell 1 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | SSE 11 | SSE 11 | SSE 10 | ESE 11 | ESE 10 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | E 8 | E 8 | SSE 8 | E 8 | E 8 |
 kJ | 1416 | 1256 | 1151 | 972 | 606 | 499 | 494 | 452 | 404 | 452 | 373 | 452 | 372 | 396 | 365 | 295 | 266 | 154 | 180 | 205 | 165 | 26 | 124 | 98 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | E 8 | ENE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 421 | 451 | 447 | 379 | 613 | 560 | 416 | 417 | 320 | 240 | 256 | 196 | 139 | 96 | 94 | 92 | 70 | 69 | 49 | 38 | 37 | 26 | 24 | 23 |
Swell 3 Height (m) Direction Period (s) | NE 11 | NE 11 | N 11 | N 11 | NE 11 | NE 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | N 11 | N 11 | N 11 | N 10 | N 10 | SSE 9 | SSE 8 | — | N 10 | N 10 | N 10 | — |
| kJ | 5 | 5 | 2 | 2 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 67 | 54 | — | 2 | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 2 | — | E 8 | ENE 3 | NE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 187 | 8 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 45 | 21 | 21 | 45 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 82 | 91 | 99 | 37 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- 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.
Nearest