Surf Forecasts:
How big are the waves at Backdoor 4 today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 4ft (1.2m), 8s period with S swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 4ft (1.2m), 9s period with S swell.
- Evening surf: Evening surf (18 Sep, local time) - 3.5ft (1.1m), 9s period with S swell.
The current surf forecast for Backdoor 4 at 1AM is: 1.9m 9s primary swell from a South-southeast direction and 0.1m 13s secondary swell from a East direction (forecast issued at 09:00pm September 17). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 4ft (1.2m) | 8s |
| Afternoon (18 Sep) | 4ft (1.2m) | 9s |
| Evening (18 Sep) | 3.5ft (1.1m) | 9s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sat morning, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | ||||||||||||||||
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 |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 8 | S 9 | S 8 | S 9 | S 9 | S 10 | S 9 | S 16 | S 16 | S 17 | S 10 | S 15 | S 9 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 757 | 600 | 518 | 398 | 245 | 204 | 209 | 239 | 255 | 211 | 190 | 190 | 206 | 133 | 112 | 83 | 80 | 60 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-on | cross | cross-off |
High Tide | 00:34AM0.92m | 12:54PM1.27m | 1:48AM0.86m | 2:04PM1.24m | ||||||||||||||
Low Tide | 6:50PM0.46m | 6:02AM0.53m | 8:02PM0.50m | 7:03AM0.59m | 9:21PM0.50m | |||||||||||||
 | | | |  | | | | | | | | | | | | | | |
 | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 13 | 12 | 12 | 15 | 18 | 17 | 17 | 18 | 18 | 17 | 16 | 22 | 26 | 25 | 26 | 24 |
Feels °C | 14 | 12 | 11 | 10 | 10 | 13 | 14 | 13 | 16 | 15 | 14 | 12 | 11 | 18 | 22 | 21 | 22 | 20 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 8 | S 9 | S 8 | S 9 | S 9 | S 10 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 |
| kJ | 757 | 600 | 518 | 398 | 245 | 204 | 209 | 239 | 255 | 211 | 171 | 110 | 115 | 120 | 88 | 83 | 80 | 60 |
Swell 2 Height (m) Direction Period (s) | S 19 | E 13 | E 13 | S 19 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | NE 4 | SE 8 | S 16 | S 17 | S 16 | S 15 | S 15 | ESE 8 | S 17 |
| kJ | 7 | 3 | 3 | 7 | 113 | 96 | 82 | 86 | 46 | 15 | 48 | 190 | 206 | 133 | 112 | 69 | 11 | 53 |
Swell 3 Height (m) Direction Period (s) | E 13 | S 19 | S 19 | E 13 | S 19 | S 18 | S 18 | S 18 | SSE 17 | SE 8 | S 16 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | S 17 | ESE 7 |
| kJ | 3 | 7 | 7 | 3 | 28 | 58 | 56 | 97 | 101 | 48 | 190 | 46 | 29 | 28 | 15 | 14 | 24 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 3 | ENE 4 | — | W 3 | WNW 3 | NW 3 | NW 3 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 5 | 19 | — | 2 | 3 | 2 | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 1 | 0 | 0 | 0 | 0 | 3 | 37 | 37 | 2 | 0 | 0 | 2 | 2 | 0 | 0 | 3 | 0 | 0 |
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