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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 Wednesday 20 May 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
21.0° 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 2PM is: 3.0m 10s primary swell from a South direction and 2.4m 10s secondary swell from a South direction, 1.5m 10s secondary swell from a East direction (forecast issued at 09:00am May 20). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 8ft (2.5m) | 10s |
| Afternoon (20 May) | 8ft (2.4m) | 10s |
| Evening (20 May) | 7ft (2.2m) | 10s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Thu morning. Very mild (max 18°C on Thu afternoon, min 14°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | |
942 | 1446 | 1448 | 1043 | 958 | 876 | 1273 | 1247 | 1288 | 1198 | 1197 | 925 | 784 | 607 | 477 | 439 | 439 | 419 | 382 | 753 | 974 | 1042 | 964 | 886 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | off | off | |
High Tide | 11:13AM1.08m | 11:06PM1.70m | 12:17PM1.06m | 00:05AM1.59m | 1:24PM1.06m | 1:07AM1.47m | ||||||||||||||||||
Low Tide | 5:09AM0.01m | 4:32PM0.37m | 6:09AM0.07m | 5:33PM0.45m | 7:09AM0.13m | 6:42PM0.51m | ||||||||||||||||||
 | |  | |  | | |  |  | |  |  |  | |  |  | | | | | | | | | |
 | 6:39 | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:41 |
 | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 | — | — | — | 4:58 |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 15 | 17 | 17 | 17 | 16 | 14 | 14 | 14 | 16 | 17 | 17 | 18 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 18 | 17 | 17 | 17 |
10 | 11 | 13 | 11 | 12 | 12 | 9 | 9 | 9 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 14 | 14 | 13 | 13 | 14 | |
Swell 1 Height (m) Direction Period (s) | S 9 | S 10 | S 10 | ENE 10 | ENE 10 | ENE 10 | S 10 | S 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 10 | S 8 | SSW 8 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 716 | 1070 | 1043 | 418 | 363 | 363 | 938 | 919 | 302 | 296 | 245 | 245 | 245 | 194 | 190 | 145 | 139 | 137 | 148 | 66 | 20 | 1042 | 964 | 886 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | E 10 | — | — | — | E 10 | E 10 | — | — | — | — | S 16 | — | S 16 | S 16 | S 15 | S 15 | S 14 | S 13 | S 13 | S 7 | S 8 | SSW 7 |
| kJ | 555 | 566 | 477 | — | — | — | 296 | 296 | — | — | — | — | 5 | — | 5 | 5 | 5 | 17 | 16 | 31 | 28 | 25 | 33 | 18 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 14 | — | ENE 10 | S 12 | SSW 11 | E 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 35 | — | 19 | 25 | 24 | 74 |
Wind waves Height (m) Direction Period (s) | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 10 | SE 10 | — | — | S 6 |
| kJ | 942 | 1446 | 1448 | 1043 | 958 | 876 | 1273 | 1247 | 1288 | 1198 | 1197 | 925 | 784 | 607 | 477 | 439 | 439 | 419 | 382 | 753 | 974 | — | — | 41 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 141 | 139 | 141 | 141 | 52 | 0 | 0 | 0 | 0 | 141 | 0 | 135 | 48 | 141 | 45 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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