Surf Forecasts:
How big are the waves at Derrs today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 10ft (3.0m), 16s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 8ft (2.5m), 16s period with WSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 8ft (2.5m), 16s period with WSW swell.
The current surf forecast for Derrs at 3PM is: 2.5m 16s primary swell from a West-southwest direction (forecast issued at 07:00am August 20). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 10ft (3.0m) | 16s |
| Afternoon (20 Aug) | 8ft (2.5m) | 16s |
| Evening (20 Aug) | 8ft (2.5m) | 16s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 20°C on Fri afternoon, min 13°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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) | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 5043 | 4564 | 4242 | 3764 | 3253 | 3211 | 2997 | 2958 | 2920 | 2581 | 2513 | 2274 | 2346 | 2243 | 2082 | 2015 | 1860 | 2964 | 2731 | 1982 | 1699 | 1460 | 1288 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | off | cross-off | cross | cross | cross | cross-off | cross-off | off | off | glassy | cross-on | cross-on | cross | cross |
High Tide | 3:21AM0.55m | 4:48AM0.56m | |||||||||||||||||||||
Low Tide | 3:16PM0.12m | 3:25PM0.09m | 3:41PM0.08m | ||||||||||||||||||||
 |  | |  | | | | | | | | | | | | |  | | |  |  |  | | |
 | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — |
Temp °C | 14 | 14 | 16 | 18 | 17 | 17 | 15 | 15 | 14 | 13 | 17 | 20 | 19 | 18 | 18 | 16 | 15 | 15 | 19 | 18 | 16 | 16 | 16 |
Feels °C | 13 | 12 | 15 | 16 | 13 | 14 | 12 | 12 | 11 | 10 | 15 | 18 | 16 | 15 | 16 | 13 | 12 | 12 | 18 | 14 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 |
| kJ | 5043 | 4564 | 4242 | 3764 | 3253 | 3211 | 2997 | 2958 | 2920 | 2581 | 2513 | 2274 | 2346 | 2243 | 2082 | 2015 | 1860 | 2964 | 2731 | 1982 | 1699 | 1460 | 1288 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 26 | SW 24 | WSW 24 | WSW 22 | WSW 22 | WSW 19 | SW 19 | SW 18 | WSW 18 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 13 | 22 | 55 | 95 | 181 | 774 | 715 | 760 | 596 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 4 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | S 4 | S 4 | — | — | — | — | — | SSW 3 | SSW 4 | SSW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 7 | — | — | — | — | — | 9 | 24 | 39 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 45 | 104 | 104 | 0 | 0 | 0 | 0 | 0 | 13 | 186 | 104 | 0 | 0 | 0 | 0 | 0 | 186 | 1807 | 186 | 186 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
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