Surf Forecasts:
How big are the waves at Secret Harbour today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 6.5ft (2.0m), 19s period with W swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 13ft (4.0m), 8s period with W swell.
- Evening surf: Evening surf (17 Aug, local time) - 13ft (4.0m), 12s period with W swell.
The current surf forecast for Secret Harbour at 3PM is: 4.0m 8s primary swell from a West direction (forecast issued at 07:00am August 17). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 6.5ft (2.0m) | 19s |
| Afternoon (17 Aug) | 13ft (4.0m) | 8s |
| Evening (17 Aug) | 13ft (4.0m) | 12s |
Table - waves today at Secret Harbour. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Mon afternoon. Very mild (max 18°C on Mon morning, min 14°C on Tue morning). Winds decreasing (strong winds from the W on Mon afternoon, calm by Wed night). | |||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||||
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) | W 19 | W 19 | W 19 | W 8 | W 11 | W 12 | W 13 | W 15 | W 15 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 15 | W 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2945 | 2914 | 5939 | 2190 | 4569 | 5449 | 5093 | 6730 | 6614 | 6491 | 6388 | 6117 | 5848 | 5121 | 4393 | 3784 | 3144 | 2612 | 2651 | 3183 | 3975 | 4356 | 4356 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | on | on | on | on | cross-on | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | glassy | cross-on | cross-on | cross-on | on | glassy |
High Tide | 10:33AM0.62m | 00:27AM0.76m | 00:58AM0.78m | ||||||||||||||||||||
Low Tide | 6:03AM0.58m | 4:42PM0.49m | 4:26PM0.43m | 4:21PM0.38m | |||||||||||||||||||
 |  |  | |  |  | |  | |  | | | | | | |  | | | | | |  | |
 | 6:52 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | — | — | 1 | 5 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 16 | 16 | 18 | 16 | 15 | 15 | 16 | 15 | 15 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 |
Feels °C | 10 | 10 | 10 | 6 | 5 | 7 | 9 | 10 | 12 | 12 | 11 | 12 | 11 | 13 | 11 | 11 | 12 | 15 | 14 | 13 | 14 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | W 19 | W 19 | — | — | — | — | — | W 15 | W 15 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 15 | W 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 16 |
| kJ | 2945 | 2914 | — | — | — | — | — | 6730 | 6614 | 6491 | 6388 | 6117 | 5848 | 5121 | 4393 | 3784 | 3144 | 2612 | 2651 | 3183 | 3975 | 4356 | 4356 |
Swell 2 Height (m) Direction Period (s) | W 20 | WSW 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 910 | 627 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 5 | W 19 | W 8 | W 11 | W 12 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 29 | 48 | 5939 | 2190 | 4569 | 5449 | 5093 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 167 | 1189 | 1184 | 1620 | 713 | 713 | 958 | 143 | 356 | 0 | 307 | 307 | 307 | 307 | 307 | 328 | 328 | 0 | 46 | 47 | 143 | 101 | 0 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
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