Surf Forecasts:
How big are the waves at Secret Harbour today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3ft (0.9m), 18s period with W swell.
- Evening surf: Evening surf (18 Sep, local time) - 4ft (1.2m), 17s period with W swell.
The current surf forecast for Secret Harbour at 8AM is: 0.9m 12s primary swell from a West-southwest direction and 0.5m 16s secondary swell from a West direction (forecast issued at 01:00am September 18). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3ft (0.9m) | 12s |
| Afternoon (18 Sep) | 3ft (0.9m) | 18s |
| Evening (18 Sep) | 4ft (1.2m) | 17s |
Table - waves today at Secret Harbour. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Fri night. Warm (max 21°C on Fri afternoon, min 13°C on Sun night). Winds decreasing (strong winds from the WNW on Sat morning, light winds from the ESE by Sun night). | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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 | 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 13 | W 12 | WSW 12 | W 12 | W 18 | WNW 18 | W 17 | WNW 9 | WNW 16 | WNW 14 | W 14 | W 14 | W 14 | W 13 | W 12 | W 13 | W 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 339 | 304 | 244 | 294 | 504 | 2864 | 841 | 1070 | 5642 | 7315 | 8709 | 8612 | 7674 | 5670 | 3934 | 3090 | 2446 | 2123 | 1493 | 1231 | 1102 | 1000 | 938 | 2310 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross-off |
High Tide | 00:21AM0.77m | 1:05AM0.76m | 2:13AM0.76m | |||||||||||||||||||||
Low Tide | 2:41PM0.30m | 2:31PM0.31m | 2:26PM0.31m | |||||||||||||||||||||
 | |  |  | | |  |  |  | |  |  | | | | | | | | |  | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:10 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 20 | 21 | 17 | 15 | 15 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 16 | 16 | 16 | 16 | 15 |
Feels °C | 15 | 15 | 14 | 16 | 16 | 12 | 8 | 8 | 9 | 8 | 7 | 8 | 9 | 11 | 13 | 13 | 14 | 13 | 13 | 14 | 13 | 13 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | W 13 | W 12 | WSW 12 | W 12 | W 12 | — | W 17 | W 16 | — | — | — | — | — | — | W 12 | W 13 | W 10 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 16 |
| kJ | 339 | 304 | 244 | 294 | 279 | — | 841 | 912 | — | — | — | — | — | — | 3934 | 3090 | 980 | 2123 | 1493 | 1231 | 1102 | 1000 | 938 | 2310 |
Swell 2 Height (m) Direction Period (s) | — | W 19 | W 16 | W 17 | W 18 | — | — | — | — | — | — | — | — | — | — | — | W 13 | — | — | — | — | — | WSW 17 | — |
| kJ | — | 113 | 131 | 277 | 504 | — | — | — | — | — | — | — | — | — | — | — | 865 | — | — | — | — | — | 510 | — |
Swell 3 Height (m) Direction Period (s) | — | WSW 16 | W 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 25 | 119 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 4 | N 3 | NNW 4 | NNW 4 | WNW 18 | W 7 | WNW 9 | WNW 16 | WNW 14 | W 14 | W 14 | W 14 | W 13 | W 12 | — | W 13 | — | — | — | — | — | — | — |
| kJ | 8 | 8 | 5 | 23 | 35 | 2864 | 569 | 1070 | 5642 | 7315 | 8709 | 8612 | 7674 | 5670 | 3545 | — | 2446 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 46 | 0 | 46 | 272 | 272 | 272 | 307 | 307 | 405 | 442 | 589 | 1184 | 1864 | 1742 | 1742 | 369 | 177 | 101 | 44 | 21 | 21 | 50 | 21 | 0 |
Best forecast wave conditions in Perth City Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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