Surf Forecasts:
How big are the waves at Twelve Mile Beach today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 6ft (1.9m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 6ft (1.9m), 15s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 6ft (1.8m), 15s period with SSW swell.
The current surf forecast for Twelve Mile Beach at 12PM is: 1.9m 15s primary swell from a South-southwest direction (forecast issued at 07:00am August 21). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 6ft (1.9m) | 15s |
| Afternoon (21 Aug) | 6ft (1.9m) | 15s |
| Evening (21 Aug) | 6ft (1.8m) | 15s |
Table - waves today at Twelve Mile Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sun morning. Warm (max 23°C on Sat afternoon, min 12°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 19 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1908 | 1721 | 1642 | 1537 | 1496 | 1475 | 1275 | 1145 | 1044 | 964 | 1900 | 1553 | 1375 | 1199 | 1054 | 837 | 647 | 930 | 425 | 425 | 862 | 362 | 414 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-on | on | on | on | on | cross-on | cross-on |
High Tide | 2:11AM0.61m | 8:17AM0.62m | 8:49AM0.69m | ||||||||||||||||||||
Low Tide | 5:35PM0.08m | 5:28PM0.08m | 5:23PM0.07m | ||||||||||||||||||||
 |  | | | | | | | | | |  |  |  | | |  |  | | | | |  | |
 | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:34 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | 1 | — | — |
Temp °C | 14 | 13 | 15 | 16 | 15 | 15 | 14 | 13 | 12 | 13 | 21 | 23 | 22 | 18 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 |
Feels °C | 12 | 11 | 14 | 12 | 11 | 12 | 11 | 10 | 9 | 9 | 16 | 19 | 19 | 12 | 12 | 13 | 13 | 11 | 11 | 11 | 10 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | ESE 6 | SSW 14 | SSW 14 | E 5 | SSW 13 | SSW 13 |
| kJ | 1908 | 1721 | 1642 | 1537 | 1496 | 1475 | 1275 | 1145 | 822 | 822 | 1900 | 1553 | 1375 | 1199 | 1054 | 837 | 647 | 3 | 425 | 425 | 1 | 362 | 414 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSW 24 | SSW 24 | SSW 22 | SSW 21 | SSW 20 | SSW 19 | SSW 18 | — | — | — | E 4 | — | — | — | E 6 | ESE 6 | E 5 | SW 18 | SSW 18 | SW 16 |
| kJ | — | — | — | 55 | 54 | 181 | 487 | 596 | 1044 | 964 | — | — | — | 3 | — | — | — | 2 | 3 | 1 | 81 | 31 | 169 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 20 | SW 20 | — | E 5 | E 6 | E 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | 15 | — | 2 | 2 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | E 3 | ENE 4 | ENE 4 | ENE 4 | — | ENE 4 | — | NNW 3 | NNW 4 | — | SW 3 | SSW 14 | SSW 5 | SSW 5 | SSW 14 | SSW 5 | SSW 6 |
| kJ | — | — | — | — | — | — | 5 | 4 | 4 | 9 | — | 6 | — | 4 | 7 | — | 6 | 930 | 69 | 43 | 862 | 75 | 67 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 257 | 439 | 34 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 20 | 0 | 137 | 137 | 260 | 484 | 484 | 153 | 97 |
Best forecast wave conditions in Far South of Western Australia | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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