Surf Forecasts:
How big are the waves at Derrs today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 8ft (2.4m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 7.5ft (2.3m), 15s period with WSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 7ft (2.2m), 14s period with WSW swell.
The current surf forecast for Derrs at 5PM is: 2.3m 14s primary swell from a West-southwest direction and 0.3m 22s secondary swell from a West-southwest direction (forecast issued at 01:00pm August 21). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 8ft (2.4m) | 15s |
| Afternoon (21 Aug) | 7.5ft (2.3m) | 15s |
| Evening (21 Aug) | 7ft (2.2m) | 14s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat afternoon. Warm (max 20°C on Fri afternoon, min 12°C on Mon morning). Winds decreasing (fresh winds from the S on Sat night, calm by Mon morning). | |||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||
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 15 | WSW 15 | WSW 14 | WSW 14 | SW 14 | WSW 15 | SW 14 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SW 13 | WSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2513 | 2178 | 2243 | 2243 | 1929 | 2111 | 1533 | 2964 | 2522 | 1982 | 1699 | 1322 | 1083 | 846 | 752 | 663 | 752 | 845 | 946 | 1011 | 1042 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross |
High Tide | 4:48AM0.56m | 5:56AM0.58m | |||||||||||||||||||
Low Tide | 3:25PM0.09m | 3:41PM0.08m | 3:58PM0.07m | ||||||||||||||||||
 | | |  |  | |  |  |  |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 20 | 20 | 19 | 18 | 16 | 15 | 15 | 16 | 17 | 17 | 17 | 16 | 15 | 15 | 14 | 15 | 16 | 16 | 15 | 15 |
Feels °C | 14 | 18 | 17 | 15 | 15 | 13 | 12 | 13 | 15 | 15 | 12 | 12 | 11 | 10 | 10 | 10 | 11 | 13 | 14 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 14 | WSW 14 | SW 14 | WSW 15 | SW 14 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SW 13 | WSW 13 |
| kJ | 2513 | 2178 | 2243 | 2243 | 1929 | 2111 | 1533 | 2964 | 2522 | 1982 | 1699 | 1322 | 1083 | 846 | 752 | 663 | 752 | 845 | 946 | 1011 | 890 |
Swell 2 Height (m) Direction Period (s) | SW 24 | WSW 24 | WSW 22 | WSW 22 | WSW 19 | WSW 19 | WSW 18 | WSW 18 | — | — | — | — | — | WSW 20 | WSW 20 | WSW 20 | WSW 18 | WSW 18 | WSW 18 | WSW 16 | WSW 16 |
| kJ | 22 | 55 | 95 | 181 | 774 | 650 | 975 | 596 | — | — | — | — | — | 39 | 75 | 75 | 182 | 249 | 438 | 770 | 1042 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 20 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 38 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 3 | S 4 | SSE 4 | — | — | — | — | SSW 4 | SW 6 | SW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SW 5 | — | SSW 4 | — |
| kJ | — | — | — | 8 | 6 | 5 | — | — | — | — | 23 | 176 | 314 | 261 | 173 | 123 | 49 | 28 | — | 22 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 24 | 104 | 24 | 0 | 0 | 0 | 0 | 434 | 434 | 186 | 186 | 186 | 186 | 186 | 104 | 48 | 220 | 13 | 13 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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