Surf Forecasts:
How big are the waves at Secret Harbour today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 11ft (3.5m), 16s period with W swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 11ft (3.5m), 16s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 16s period with W swell.
The current surf forecast for Secret Harbour at 3PM is: 3.5m 16s primary swell from a West direction (forecast issued at 07:00am August 18). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 11ft (3.5m) | 16s |
| Afternoon (18 Aug) | 11ft (3.5m) | 16s |
| Evening (18 Aug) | 10ft (3.0m) | 16s |
Table - waves today at Secret Harbour. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed morning. Very mild (max 17°C on Tue night, min 14°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
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 15 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 15 | W 15 | W 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 6614 | 6524 | 6388 | 6117 | 5848 | 5121 | 4393 | 3784 | 3387 | 2828 | 2868 | 3724 | 4139 | 4659 | 4645 | 4467 | 4637 | 3954 | 3594 | 3236 | 2958 | 2731 | 2794 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-off | off | glassy | on | cross-on | cross-off | cross-off |
High Tide | 00:58AM0.78m | 1:41AM0.79m | |||||||||||||||||||||
Low Tide | 4:26PM0.43m | 4:21PM0.38m | 4:21PM0.34m | ||||||||||||||||||||
 |  | | | | | | |  |  |  | | |  | |  | | | |  | | | | |
 | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 17 | 17 | 17 | 16 | 14 | 14 | 14 | 14 | 16 | 16 | 16 | 15 | 15 |
Feels °C | 10 | 12 | 12 | 12 | 11 | 12 | 11 | 10 | 11 | 13 | 14 | 13 | 14 | 15 | 12 | 13 | 13 | 12 | 16 | 14 | 14 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | W 15 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 15 | W 15 | W 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
| kJ | 6614 | 6524 | 6388 | 6117 | 5848 | 5121 | 4393 | 3784 | 3387 | 2828 | 2868 | 3724 | 4139 | 4659 | 4645 | 4467 | 4637 | 3954 | 3594 | 3236 | 2958 | 2731 | 2794 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 143 | 58 | 328 | 328 | 307 | 307 | 307 | 314 | 328 | 328 | 143 | 143 | 143 | 21 | 0 | 0 | 0 | 0 | 0 | 28 | 21 | 0 | 0 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
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