Surf Forecasts:
How big are the waves at Twelve Mile Beach today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 4ft (1.2m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 5ft (1.6m), 16s period with SW swell.
- Evening surf: Evening surf (19 Aug, local time) - 7ft (2.1m), 16s period with SSW swell.
The current surf forecast for Twelve Mile Beach at 8AM is: 1.2m 15s primary swell from a South-southwest direction and 0.1m 7s secondary swell from a East direction (forecast issued at 01:00am August 19). An open ocean swell of 0.7m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 4ft (1.2m) | 15s |
| Afternoon (19 Aug) | 5ft (1.6m) | 16s |
| Evening (19 Aug) | 7ft (2.1m) | 16s |
Table - waves today at Twelve Mile Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Wed morning, min 12°C on Fri night). Winds decreasing (fresh winds from the SW on Wed afternoon, calm by Thu night). | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 566 | 851 | 661 | 697 | 1317 | 1928 | 2075 | 2075 | 1811 | 1788 | 1606 | 1487 | 1451 | 1451 | 1647 | 2058 | 1982 | 1908 | 1908 | 1933 | 1599 | 1666 | 1475 | 1337 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross | on | on | on | glassy | off | off | off | cross-off | cross-on | cross | cross-off | cross-off |
High Tide | 1:11AM0.65m | 10:52AM0.46m | 1:37AM0.64m | 2:11AM0.61m | ||||||||||||||||||||
Low Tide | 7:41AM0.42m | 5:44PM0.11m | 5:40PM0.09m | 5:35PM0.08m | ||||||||||||||||||||
 | |  |  | | |  | |  | | | | | | | | | | | | | | | | |
 | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 14 | 17 | 17 | 15 | 15 | 15 | 15 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 16 | 17 | 15 | 15 | 14 |
Feels °C | 8 | 7 | 7 | 11 | 11 | 11 | 12 | 13 | 14 | 11 | 11 | 11 | 11 | 12 | 13 | 15 | 12 | 11 | 11 | 15 | 13 | 10 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 16 | E 7 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 566 | 851 | 661 | 697 | 1 | 1928 | 2075 | 2075 | 1811 | 1788 | 1606 | 1487 | 1451 | 1451 | 1647 | 2058 | 1982 | 1908 | 1908 | 1933 | 1599 | 1666 | 1475 | 1337 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SE 8 | E 7 | E 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 24 | SSW 24 | SSW 21 | SSW 21 |
| kJ | 97 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 55 | 54 | 305 | 483 |
Swell 3 Height (m) Direction Period (s) | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 2 | NW 3 | WNW 3 | W 4 | SW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 4 | E 4 |
| kJ | 1 | 4 | 10 | 27 | 1317 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 20 | 137 | 439 | 489 | 489 | 153 | 34 | 0 | 0 | 0 | 137 | 97 | 153 | 97 | 0 | 0 | 0 | 0 | 0 | 260 | 439 | 260 | 243 |
Best forecast wave conditions in Far South of Western Australia | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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