Surf Forecasts:
How big are the waves at Twelve Mile Beach today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 4.5ft (1.3m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 3.5ft (1.1m), 16s period with SSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 3.5ft (1.1m), 16s period with SSW swell.
The current surf forecast for Twelve Mile Beach at 6AM is: 1.3m 17s primary swell from a South-southwest direction and 2.0m 8s secondary swell from a Southwest direction (forecast issued at 01:00am August 18). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 4.5ft (1.3m) | 16s |
| Afternoon (18 Aug) | 3.5ft (1.1m) | 16s |
| Evening (18 Aug) | 3.5ft (1.1m) | 16s |
Table - waves today at Twelve Mile Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue morning. Very mild (max 19°C on Wed afternoon, min 12°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | 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 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1069 | 911 | 838 | 798 | 620 | 612 | 604 | 596 | 566 | 468 | 480 | 697 | 1115 | 1671 | 2049 | 1811 | 1811 | 1629 | 1606 | 1487 | 1451 | 1606 | 1816 | 2033 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | on | glassy | off | glassy | cross | cross-on | on | on | on | glassy |
High Tide | 00:49AM0.64m | 11:25AM0.46m | 1:11AM0.65m | 10:52AM0.46m | 1:37AM0.64m | |||||||||||||||||||
Low Tide | 7:09AM0.36m | 5:50PM0.14m | 7:41AM0.42m | 5:44PM0.11m | 5:40PM0.09m | |||||||||||||||||||
 | |  |  | |  |  | |  | |  | | | | | | | | | | | | | | |
 | — | 6:35 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 12 | 14 | 15 | 16 | 16 | 15 | 14 | 13 | 13 | 17 | 19 | 15 | 14 | 14 | 14 | 13 | 13 | 15 | 16 | 15 | 16 | 15 |
Feels °C | 2 | 3 | 6 | 8 | 9 | 12 | 12 | 11 | 9 | 8 | 7 | 11 | 15 | 10 | 12 | 13 | 13 | 12 | 11 | 12 | 12 | 12 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 8 | SSW 7 | SSW 16 | SSW 16 | 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 |
| kJ | 1069 | 911 | 838 | 798 | 187 | 134 | 604 | 596 | 566 | 468 | 480 | 697 | 1115 | 1671 | 2049 | 1811 | 1811 | 1629 | 1606 | 1487 | 1451 | 1606 | 1816 | 2033 |
Swell 2 Height (m) Direction Period (s) | E 7 | — | SE 8 | E 8 | SSW 16 | SSW 16 | SSW 7 | SSW 8 | SSW 8 | SW 7 | SSW 7 | — | SSE 8 | — | SSE 7 | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | 2 | 4 | 620 | 612 | 134 | 128 | 117 | 91 | 59 | — | 13 | — | 10 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 7 | E 7 | S 7 | E 8 | — | — | E 7 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 4 | 4 | 63 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 7 | SW 8 | SW 8 | SW 8 | — | — | — | WNW 4 | NW 3 | — | NW 3 | W 4 | NW 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 295 | 515 | 463 | 298 | — | — | — | 8 | 3 | — | 4 | 19 | 8 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 494 | 489 | 153 | 153 | 153 | 153 | 0 | 0 | 97 | 137 | 97 | 299 | 243 | 243 | 97 | 0 | 0 | 0 | 20 | 137 | 243 | 153 | 97 | 0 |
Best forecast wave conditions in Far South of Western Australia | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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