Surf Forecasts:
How big are the waves at Backdoor 4 today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 4ft (1.2m), 10s period with S swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 2ft (0.6m), 15s period with S swell.
- Evening surf: Evening surf (23 Aug, local time) - 3ft (0.9m), 11s period with S swell.
The current surf forecast for Backdoor 4 at 6AM is: 0.9m 11s primary swell from a South direction and 0.4m 6s secondary swell from a Northeast direction (forecast issued at 09:00pm August 22). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 4ft (1.2m) | 10s |
| Afternoon (23 Aug) | 2ft (0.6m) | 15s |
| Evening (23 Aug) | 3ft (0.9m) | 11s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Tue afternoon. Warm (max 21°C on Tue morning, min 13°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the NE by Mon afternoon). | ||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | ||||||||||||||||
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) | NE 6 | NE 6 | NE 6 | S 12 | S 11 | S 10 | S 9 | S 14 | S 12 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 9 | 9 | 9 | 71 | 350 | 340 | 275 | 196 | 244 | 202 | 267 | 200 | 162 | 159 | 156 | 123 | 98 | 104 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | on |
High Tide | 4:01PM1.29m | 4:54AM0.89m | 4:58PM1.35m | 5:47AM0.94m | 5:46PM1.42m | |||||||||||||
Low Tide | 11:10PM0.46m | 10:09AM0.54m | 11:58PM0.39m | 11:07AM0.50m | ||||||||||||||
 | |  | |  | |  |  | | | | | | | | | | | |
 | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 14 | 13 | 15 | 18 | 18 | 17 | 18 |
Feels °C | 15 | 16 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 11 | 11 | 13 | 14 | 13 | 13 | 15 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | NE 6 | NE 6 | S 12 | S 11 | S 10 | S 9 | S 8 | S 8 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 22 | 9 | 9 | 71 | 350 | 340 | 275 | 167 | 104 | 202 | 267 | 200 | 162 | 159 | 156 | 123 | 98 | 104 |
Swell 2 Height (m) Direction Period (s) | NE 6 | SSW 8 | SSW 6 | NE 6 | NE 6 | NE 6 | S 16 | S 14 | S 12 | S 8 | E 14 | ENE 8 | ENE 8 | NE 5 | E 13 | — | S 18 | ENE 9 |
| kJ | 9 | 14 | 3 | 9 | 9 | 6 | 81 | 196 | 244 | 76 | 4 | 7 | 6 | 24 | 3 | — | 24 | 8 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | S 9 | E 8 | E 8 | ENE 9 | — | — | E 14 | E 14 | — | S 19 | S 17 | ENE 8 | E 13 | E 13 | — | S 18 |
| kJ | 2 | 2 | 6 | 1 | 1 | 7 | — | — | 4 | 4 | — | 7 | 24 | 11 | 3 | 3 | — | 6 |
Wind waves Height (m) Direction Period (s) | SE 2 | SE 3 | SE 4 | SE 4 | SE 4 | SE 5 | NE 9 | E 4 | ENE 4 | ENE 4 | NE 5 | NE 5 | NE 5 | NE 5 | ENE 5 | ENE 4 | ENE 5 | NE 5 |
| kJ | 1 | 4 | 6 | 13 | 19 | 22 | 20 | 13 | 20 | 29 | 49 | 45 | 35 | 31 | 26 | 37 | 83 | 94 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 208 | 226 | 110 | 0 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 11 | 2 | 2 | 180 | 231 | 72 | 37 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
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