Surf Forecasts:
How big are the waves at Derrs today (16 Jul):
- Morning surf: Morning surf (16 Jul, local time) - 5ft (1.6m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (16 Jul, local time) - 6ft (1.8m), 15s period with WSW swell.
- Evening surf: Evening surf (16 Jul, local time) - 6.5ft (2.0m), 14s period with WSW swell.
The current surf forecast for Derrs at 6PM is: 1.9m 14s primary swell from a West-southwest direction and 2.1m 7s secondary swell from a Northwest direction (forecast issued at 01:00pm July 16). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Jul) | 5ft (1.6m) | 15s |
| Afternoon (16 Jul) | 6ft (1.8m) | 15s |
| Evening (16 Jul) | 6.5ft (2.0m) | 14s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 37mm), heaviest during Thu night. Warm (max 21°C on Thu afternoon, min 15°C on Sat night). Winds decreasing (fresh winds from the W on Fri night, calm by Sun morning). | |||||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | |||||||||||||||||||
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 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 13 | WSW 13 | WSW 14 | W 14 | WSW 13 | WSW 13 | WSW 14 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1209 | 1241 | 1455 | 1556 | 1393 | 1313 | 1172 | 1299 | 1011 | 838 | 800 | 688 | 744 | 1032 | 3095 | 4395 | 3550 | 5407 | 7127 | 6533 | 5502 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on |
High Tide | 10:22AM0.69m | 10:53AM0.60m | 11:01AM0.50m | ||||||||||||||||||
Low Tide | 7:32PM0.07m | 7:29PM0.15m | 6:45PM0.21m | ||||||||||||||||||
 |  |  |  |  |  | |  | | | |  | | | | | |  | |  | | |
 | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — |
 | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — |
mm | — | 1 | 9 | 12 | 2 | — | 1 | — | — | 2 | 5 | 2 | 1 | — | 2 | — | — | — | — | — | — |
Temp °C | 21 | 21 | 19 | 17 | 18 | 17 | 17 | 17 | 18 | 17 | 16 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 |
Feels °C | 16 | 16 | 16 | 15 | 19 | 17 | 17 | 17 | 17 | 15 | 14 | 15 | 14 | 13 | 11 | 10 | 11 | 12 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 13 | WSW 13 | WSW 14 | WSW 21 | — | WSW 16 | WSW 14 | WSW 16 | WSW 16 | WSW 16 |
| kJ | 1209 | 1241 | 1455 | 1556 | 1393 | 1313 | 1172 | 1299 | 1011 | 838 | 800 | 688 | 744 | 1032 | 45 | — | 1521 | 5407 | 7127 | 6533 | 5502 |
Swell 2 Height (m) Direction Period (s) | WNW 13 | — | — | WNW 12 | WNW 7 | NW 7 | WNW 7 | NW 12 | W 8 | W 8 | NW 11 | NW 11 | — | — | — | — | — | — | — | — | — |
| kJ | 17 | — | — | 14 | 173 | 122 | 96 | 5 | 29 | 29 | 5 | 5 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 7 | NW 7 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 29 | 16 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 6 | NW 7 | NW 7 | — | — | — | — | — | — | NW 7 | NW 6 | WNW 6 | WNW 6 | W 14 | WSW 13 | WSW 13 | — | — | — | — |
| kJ | 104 | 255 | 427 | 365 | — | — | — | — | — | — | 37 | 59 | 95 | 205 | 3095 | 4395 | 3550 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1635 | 220 | 186 | 46 | 186 | 186 | 0 | 0 | 0 | 391 | 364 | 358 | 397 | 397 | 408 | 458 | 458 | 654 | 334 | 272 | 272 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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