Surf Forecasts:
How big are the waves at Twelve Mile Beach today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 5.5ft (1.7m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 4.5ft (1.4m), 12s period with SSW swell.
- Evening surf: Evening surf (20 Jul, local time) - 4.5ft (1.4m), 13s period with SSW swell.
The current surf forecast for Twelve Mile Beach at 9PM is: 1.4m 13s primary swell from a South-southwest direction and 0.1m 17s secondary swell from a South direction (forecast issued at 01:00pm July 20). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 5.5ft (1.7m) | 13s |
| Afternoon (20 Jul) | 4.5ft (1.4m) | 12s |
| Evening (20 Jul) | 4.5ft (1.4m) | 13s |
Table - waves today at Twelve Mile Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Very mild (max 16°C on Mon night, min 11°C on Tue morning). Wind will be generally light. | |||||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||
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 12 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 839 | 894 | 347 | 769 | 648 | 481 | 702 | 745 | 1597 | 1066 | 1247 | 965 | 922 | 865 | 1189 | 1860 | 2709 | 3520 | 3340 | 3032 | 3073 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross | cross | cross-off | cross | cross | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | on | cross-on |
High Tide | 11:55AM0.51m | 2:15AM0.53m | 11:04AM0.48m | 3:12AM0.56m | |||||||||||||||||
Low Tide | 7:00PM0.21m | 7:42AM0.46m | 6:40PM0.17m | 6:26PM0.14m | |||||||||||||||||
 |  | |  |  | | | | | |  | |  | | | | |  | | | | |
 | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | 5:09 | — | — | — | — | — | — | — | 5:10 | — | — | — | — | — | — | — | 5:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 14 | 15 | 15 | 16 | 15 | 13 | 12 | 11 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 |
Feels °C | 10 | 12 | 12 | 12 | 11 | 8 | 7 | 6 | 9 | 8 | 8 | 10 | 10 | 10 | 10 | 9 | 10 | 9 | 9 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 13 | SSW 11 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 839 | 894 | 340 | 769 | 648 | 481 | 702 | 745 | 943 | 774 | 1247 | 965 | 922 | 865 | 1189 | 1860 | 2709 | 3520 | 3340 | 3032 | 3073 |
Swell 2 Height (m) Direction Period (s) | SE 18 | SE 18 | SSW 14 | S 17 | S 17 | SSW 15 | SE 17 | SSE 17 | SE 16 | SE 16 | SE 16 | SSE 16 | SE 16 | S 15 | SE 15 | SE 15 | SE 15 | SE 15 | SE 15 | SE 14 | SE 14 |
| kJ | 12 | 12 | 347 | 6 | 6 | 125 | 12 | 28 | 10 | 10 | 10 | 25 | 10 | 5 | 9 | 9 | 9 | 8 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | SE 18 | SE 18 | SE 18 | SSE 17 | SE 17 | SE 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 12 | 12 | 12 | 30 | 12 | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | W 3 | — | WNW 3 | SSW 13 | SSW 13 | SW 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 5 | — | 3 | 1597 | 1066 | 77 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 97 | 153 | 20 | 34 | 97 | 153 | 153 | 439 | 153 | 153 | 153 | 97 | 97 | 153 | 97 | 439 | 439 | 439 | 340 | 340 |
Best forecast wave conditions in Far South of Western Australia | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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