Surf Forecasts:
How big are the waves at Backdoor 4 today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 4.5ft (1.3m), 7s period with ESE swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 4ft (1.2m), 7s period with E swell.
- Evening surf: Evening surf (18 Jul, local time) - 5ft (1.6m), 8s period with E swell.
The current surf forecast for Backdoor 4 at 3AM is: 0.7m 10s primary swell from a South direction and 0.2m 21s secondary swell from a South direction, 1.0m 6s secondary swell from a East direction (forecast issued at 09:00pm July 17). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 4.5ft (1.3m) | 7s |
| Afternoon (18 Jul) | 4ft (1.2m) | 7s |
| Evening (18 Jul) | 5ft (1.6m) | 8s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri night. Very mild (max 17°C on Sat morning, min 13°C on Mon morning). Wind will be generally light. | ||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 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) | E 6 | ESE 6 | S 11 | S 10 | ESE 7 | ESE 7 | ESE 7 | E 7 | ESE 8 | E 8 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 81 | 110 | 110 | 108 | 125 | 154 | 153 | 143 | 273 | 383 | 1046 | 1452 | 1363 | 1208 | 1046 | 918 | 865 | 882 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:29PM1.67m | 11:20AM1.25m | 11:15PM1.51m | 12:09PM1.27m | ||||||||||||||
Low Tide | 4:07PM0.28m | 5:10AM0.04m | 5:01PM0.35m | 5:51AM0.13m | 5:58PM0.42m | |||||||||||||
 |  | |  |  |  | | |  | | | | |  | | | | | |
 | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:06 | — | — |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 17 | 17 | 16 | 16 | 16 | 16 |
Feels °C | 15 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | S 10 | S 10 | S 10 | S 10 | E 7 | S 10 | S 9 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 |
| kJ | 81 | 84 | 84 | 108 | 52 | 49 | 47 | 143 | 45 | 27 | 1046 | 1452 | 1363 | 1208 | 1046 | 918 | 865 | 882 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 8 | S 11 | S 21 | S 21 | S 21 | S 20 | S 10 | S 20 | SSE 19 | S 9 | SSE 18 | SSE 18 | S 17 | S 17 | S 16 | S 16 | S 13 |
| kJ | 18 | 50 | 110 | 35 | 35 | 35 | 32 | 46 | 68 | 72 | 25 | 107 | 103 | 95 | 140 | 125 | 170 | 123 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 11 | S 21 | — | — | — | S 18 | S 20 | — | SE 18 | SSE 19 | S 9 | S 8 | S 8 | S 8 | S 8 | SE 17 | SE 17 |
| kJ | 22 | 22 | 9 | — | — | — | 6 | 32 | — | 13 | 69 | 23 | 12 | 12 | 12 | 12 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | — | ESE 6 | — | E 6 | ESE 7 | ESE 7 | ESE 7 | S 4 | ESE 8 | E 8 | — | — | — | — | — | — | — | — |
| kJ | — | 110 | — | 86 | 125 | 154 | 153 | 20 | 273 | 383 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 21 | 0 | 123 | 123 | 135 | 141 | 123 | 123 | 68 | 52 | 68 | 52 | 52 | 0 | 0 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
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