Surf Forecasts:
How big are the waves at Derrs today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 5ft (1.6m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 5ft (1.5m), 13s period with WSW swell.
- Evening surf: Evening surf (20 Jul, local time) - 4.5ft (1.4m), 13s period with SW swell.
The current surf forecast for Derrs at 9PM is: 1.4m 13s primary swell from a Southwest direction and 0.4m 16s secondary swell from a West-southwest direction (forecast issued at 01:00pm July 20). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 5ft (1.6m) | 13s |
| Afternoon (20 Jul) | 5ft (1.5m) | 13s |
| Evening (20 Jul) | 4.5ft (1.4m) | 13s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Mon afternoon, min 10°C on Wed 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) | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 14 | WSW 14 | WSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 822 | 737 | 749 | 668 | 822 | 672 | 663 | 671 | 816 | 1064 | 1130 | 1086 | 976 | 796 | 723 | 734 | 757 | 689 | 1402 | 1251 | 1124 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-off | glassy | glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:49AM0.38m | 3:16AM0.49m | 3:56AM0.53m | ||||||||||||||||||
Low Tide | 5:53PM0.20m | 5:28PM0.17m | 4:21PM0.14m | ||||||||||||||||||
 | | |  |  |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — |
 | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 12 | 11 | 10 | 12 | 15 | 15 | 14 | 13 |
Feels °C | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 12 | 13 | 14 | 12 | 11 | 10 | 8 | 7 | 6 | 7 | 10 | 11 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 14 | WSW 14 | WSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 |
| kJ | 822 | 737 | 749 | 668 | 822 | 672 | 663 | 671 | 816 | 1064 | 1130 | 1086 | 976 | 796 | 723 | 734 | 757 | 689 | 1402 | 1251 | 1124 |
Swell 2 Height (m) Direction Period (s) | — | SW 16 | SW 16 | WSW 16 | — | — | — | — | — | — | — | WSW 18 | WSW 18 | SW 18 | WSW 18 | — | SW 17 | SW 16 | WSW 16 | — | — |
| kJ | — | 67 | 66 | 102 | — | — | — | — | — | — | — | 31 | 31 | 12 | 31 | — | 75 | 314 | 322 | — | — |
Swell 3 Height (m) Direction Period (s) | — | SW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 2 | ESE 3 | ESE 3 | SE 3 | SE 3 | ESE 3 | ESE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 5 | 2 | 1 | 3 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 186 | 186 | 186 | 41 | 0 | 0 | 0 | 0 | 0 | 13 | 104 | 24 | 13 | 0 | 0 | 13 | 24 | 13 | 41 | 13 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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