Surf Forecasts:
How big are the waves at Backdoor 4 today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 6s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.5m), 6s period with ENE swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.4m), 6s period with ENE swell.
The current surf forecast for Backdoor 4 at 4AM is: 0.9m 6s primary swell from a East-northeast direction and 0.1m 12s secondary swell from a South direction, 0.4m 3s secondary swell from a Northwest direction (forecast issued at 09:00pm August 20). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.8m) | 6s |
| Afternoon (21 Aug) | 1.5ft (0.5m) | 6s |
| Evening (21 Aug) | 1.5ft (0.4m) | 6s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Sat morning, min 14°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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) | ENE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NE 6 | NE 6 | NE 6 | ENE 6 | S 9 | NE 6 | NE 6 | NE 6 |
Wave Graph  | ||||||||||||||||||
 kJ | 107 | 139 | 90 | 70 | 57 | 41 | 34 | 21 | 15 | 14 | 9 | 9 | 9 | 7 | 7 | 9 | 9 | 9 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | glassy | off |
High Tide | 2:17AM0.88m | 2:54PM1.27m | 3:41AM0.86m | 4:01PM1.29m | ||||||||||||||
Low Tide | 8:46PM0.53m | 7:49AM0.53m | 10:05PM0.51m | 8:59AM0.56m | ||||||||||||||
 | | |  |  | |  | | | | | | |  | | |  | | |
 | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 18 | 17 | 17 | 17 | 19 | 19 | 17 | 16 | 15 | 14 | 15 | 18 | 20 | 19 | 18 | 17 |
Feels °C | 15 | 16 | 15 | 15 | 14 | 14 | 15 | 14 | 13 | 12 | 12 | 11 | 13 | 15 | 18 | 15 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NE 6 | NE 6 | NE 6 | ENE 6 | ENE 6 | NE 6 | SSW 8 | SSW 8 |
| kJ | 6 | 103 | 90 | 70 | 57 | 41 | 34 | 21 | 15 | 14 | 9 | 9 | 9 | 7 | 7 | 9 | 22 | 22 |
Swell 2 Height (m) Direction Period (s) | E 10 | S 13 | S 13 | S 12 | S 12 | S 12 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | S 10 | SSW 4 | SSW 5 | SSW 5 | SSW 6 | NE 6 | NE 6 |
| kJ | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 6 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 12 | — | S 12 | S 11 | S 11 | S 11 | S 10 | S 10 | SE 7 | S 9 | S 9 | S 9 | S 8 | E 10 | E 9 |
| kJ | 3 | 3 | 3 | 3 | — | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | ENE 6 | NE 6 | — | NW 3 | — | NNW 2 | NNW 3 | NNW 3 | NNW 3 | NW 3 | NW 3 | NW 3 | NW 3 | WNW 3 | W 3 | ESE 7 | SE 2 | SE 3 |
| kJ | 107 | 139 | — | 2 | — | 1 | 3 | 8 | 8 | 9 | 6 | 2 | 1 | 1 | 2 | 4 | 2 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 37 | 2 | 2 | 2 | 2 | 9 | 53 | 53 | 53 | 134 | 208 | 208 | 208 | 208 | 208 | 338 | 338 | 117 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
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