
Surf Forecasts:
How big are the waves at Twelve Mile Beach today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 13ft (4.0m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 13ft (4.0m), 16s period with SSW swell.
- Evening surf: Evening surf (11 Aug, local time) - 13ft (4.0m), 16s period with SSW swell.
The current surf forecast for Twelve Mile Beach at 9AM is: 4.0m 16s primary swell from a South-southwest direction (forecast issued at 01:00am August 11). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 13ft (4.0m) | 16s |
| Afternoon (11 Aug) | 13ft (4.0m) | 16s |
| Evening (11 Aug) | 13ft (4.0m) | 16s |
Table - waves today at Twelve Mile Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue morning. Very mild (max 16°C on Wed afternoon, min 10°C on Tue morning). Winds decreasing (fresh winds from the SW on Tue morning, calm by Thu morning). | ||||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||||||
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 17 | 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 | SSW 15 | SSW 16 | SSW 17 | SSW 17 | SSW 17 | SSW 17 |
Wave Graph | ||||||||||||||||||||||||
9100 | 9371 | 8588 | 8588 | 8202 | 7924 | 7554 | 6762 | 6124 | 5233 | 5046 | 4918 | 5097 | 5097 | 4686 | 4301 | 3848 | 3609 | 3706 | 4543 | 5008 | 5128 | 5128 | 5128 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | glassy | on | cross-on | cross | cross-off |
High Tide | 00:46AM0.34m | 10:19AM0.95m | 00:27AM0.33m | 10:54AM0.94m | 00:19AM0.35m | 11:23AM0.88m | ||||||||||||||||||
Low Tide | 2:44AM0.33m | 6:14PM-0.06m | 3:39AM0.27m | 6:34PM0.00m | 4:22AM0.23m | 6:45PM0.08m | ||||||||||||||||||
— | 6:41 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | |
— | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:27 | — | — | |
mm | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 10 | 12 | 13 | 15 | 14 | 13 | 11 | 11 | 12 | 14 | 16 | 15 | 16 | 15 | 13 | 12 | 11 | 13 | 15 | 14 | 14 | 14 |
Feels °C | 0 | 1 | 2 | 5 | 6 | 7 | 6 | 6 | 5 | 6 | 7 | 10 | 12 | 12 | 14 | 13 | 11 | 9 | 9 | 12 | 12 | 11 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | 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 16 | SSW 17 | SSW 17 | SSW 17 | SSW 17 |
— | — | — | — | — | — | — | 6762 | 6124 | 5233 | 5046 | 4918 | 5097 | 5097 | 4686 | 4301 | 3848 | 3609 | 3706 | 4543 | 5008 | 5128 | 5128 | 5128 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 21 | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 180 | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
9100 | 9371 | 8588 | 8588 | 8202 | 7924 | 7554 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 439 | 439 | 439 | 517 | 1968 | 1530 | 153 | 153 | 97 | 153 | 153 | 457 | 153 | 153 | 97 | 20 | 20 | 20 | 20 | 20 | 153 | 358 | 243 | 20 |
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)













