Surf Forecasts:
How big are the waves at Derrs today (18 Jul):
- Afternoon surf: Afternoon surf (18 Jul, local time) - 11ft (3.5m), 13s period with WSW swell.
- Evening surf: Evening surf (18 Jul, local time) - 11ft (3.5m), 16s period with WSW swell.
The current surf forecast for Derrs at 11PM is: 3.5m 16s primary swell from a West-southwest direction (forecast issued at 07:00pm July 18). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | - | - |
| Afternoon (18 Jul) | 11ft (3.5m) | 13s |
| Evening (18 Jul) | 11ft (3.5m) | 16s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 17°C on Sun afternoon, min 13°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||
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 15 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 6675 | 6533 | 5700 | 4774 | 3835 | 3199 | 2673 | 2171 | 1744 | 1533 | 1306 | 1060 | 943 | 928 | 822 | 737 | 668 | 668 | 822 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | on | cross-on | cross-on | on | cross-on | glassy | glassy | off | off | off | glassy | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:35AM0.36m | 10:02AM0.42m | 2:47AM0.43m | 8:49AM0.38m | |||||||||||||||
Low Tide | 6:45PM0.21m | 5:05AM0.35m | 6:12PM0.22m | 7:01AM0.38m | 5:53PM0.20m | ||||||||||||||
 |  | |  |  |  | |  | |  | | | | | | | | | | |
 | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — |
 | 5:31 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:34 | — | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 15 | 14 | 13 | 13 | 14 | 15 | 15 | 16 | 15 |
Feels °C | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 14 | 14 | 13 | 12 | 11 | 10 | 13 | 12 | 12 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 14 |
| kJ | 6675 | 6533 | 5700 | 4774 | 3835 | 3199 | 2673 | 2171 | 1744 | 1533 | 1306 | 1060 | 943 | 928 | 822 | 737 | 668 | 668 | 822 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | WSW 15 | — | W 13 | — | — | — | — | — | — | — | — | SW 16 | SW 16 | WSW 16 | — |
| kJ | — | — | — | — | 1258 | — | 55 | — | — | — | — | — | — | — | — | 67 | 66 | 102 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 334 | 331 | 272 | 272 | 272 | 272 | 220 | 186 | 186 | 0 | 0 | 0 | 0 | 0 | 0 | 434 | 186 | 89 | 41 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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