Surf Forecasts:
How big are the waves at Twelve Mile Beach today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 6ft (1.8m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5.5ft (1.7m), 16s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 6ft (1.9m), 16s period with SSW swell.
The current surf forecast for Twelve Mile Beach at 9AM is: 1.8m 16s primary swell from a South-southwest direction (forecast issued at 01:00am August 20). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 6ft (1.8m) | 16s |
| Afternoon (20 Aug) | 5.5ft (1.7m) | 16s |
| Evening (20 Aug) | 6ft (1.9m) | 16s |
Table - waves today at Twelve Mile Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Sat afternoon, min 12°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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 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 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph | ||||||||||||||||||||||||
1811 | 1788 | 1606 | 1487 | 1451 | 1606 | 1626 | 2033 | 1982 | 1908 | 1721 | 1642 | 1537 | 1644 | 1475 | 1413 | 1275 | 930 | 834 | 1922 | 1571 | 1230 | 1003 | 991 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross | on | on | on | glassy | cross-off | cross-off | off | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | off | glassy | cross | cross-off | off |
High Tide | 1:37AM0.64m | 2:11AM0.61m | 8:17AM0.62m | |||||||||||||||||||||
Low Tide | 5:40PM0.09m | 5:35PM0.08m | 5:28PM0.08m | |||||||||||||||||||||
— | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | |
— | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:32 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 12 | 14 | 16 | 15 | 16 | 15 | 14 | 13 | 13 | 15 | 16 | 15 | 15 | 14 | 13 | 13 | 14 | 21 | 23 | 22 | 20 | 19 |
Feels °C | 13 | 11 | 10 | 10 | 12 | 12 | 14 | 15 | 12 | 12 | 11 | 14 | 12 | 11 | 12 | 10 | 10 | 10 | 10 | 17 | 21 | 18 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
1811 | 1788 | 1606 | 1487 | 1451 | 1606 | 1626 | 2033 | 1982 | 1908 | 1721 | 1642 | 1537 | 1644 | 1475 | 1413 | 1275 | 930 | 834 | 1922 | 1571 | 1230 | 1003 | 991 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SSW 24 | SSW 24 | SW 22 | SSW 21 | SSW 20 | SSW 19 | SSW 18 | ENE 4 | ENE 4 | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | 55 | 54 | 119 | 389 | 596 | 894 | 777 | 10 | 6 | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 3 | E 4 | E 4 | ENE 4 | — | — | — | — | N 3 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 6 | 5 | 5 | — | — | — | — | 4 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 137 | 97 | 153 | 97 | 0 | 0 | 0 | 0 | 0 | 260 | 260 | 35 | 34 | 20 | 0 | 0 | 0 | 0 | 489 | 20 | 0 |
Best forecast wave conditions in Far South of Western Australia | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













