Surf Forecasts:
How big are the waves at Secret Harbour today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 7.5ft (2.3m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 7ft (2.2m), 15s period with WSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 7ft (2.1m), 15s period with WSW swell.
The current surf forecast for Secret Harbour at 5PM is: 2.2m 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-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 7.5ft (2.3m) | 15s |
| Afternoon (21 Aug) | 7ft (2.2m) | 15s |
| Evening (21 Aug) | 7ft (2.1m) | 15s |
Table - waves today at Secret Harbour. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 11°C on Sun night). Mainly fresh winds. | |||||||||||||||||||||
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 | WSW 15 | WSW 15 | WSW 14 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2021 | 1994 | 2020 | 2020 | 1714 | 1714 | 1303 | 2529 | 2068 | 1740 | 1341 | 1012 | 805 | 642 | 624 | 633 | 615 | 793 | 922 | 1093 | 943 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:48AM0.80m | 5:09AM0.82m | |||||||||||||||||||
Low Tide | 4:16PM0.32m | 4:03PM0.31m | 3:50PM0.31m | ||||||||||||||||||
 | | |  | | |  |  | |  | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 17 | 18 | 18 | 17 | 15 | 15 | 14 | 17 | 16 | 17 | 15 | 14 | 14 | 13 | 12 | 14 | 15 | 15 | 15 | 14 |
Feels °C | 14 | 15 | 14 | 15 | 15 | 12 | 12 | 12 | 17 | 12 | 12 | 9 | 8 | 8 | 9 | 8 | 12 | 11 | 11 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 14 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 |
| kJ | 2021 | 1994 | 2020 | 2020 | 1714 | 1714 | 1303 | 2529 | 2068 | 1740 | 1341 | 1012 | 805 | 642 | 624 | 633 | 615 | 793 | 922 | 1093 | 943 |
Swell 2 Height (m) Direction Period (s) | W 24 | WSW 24 | WSW 22 | WSW 20 | W 20 | W 19 | WSW 18 | — | — | — | — | — | — | W 20 | W 20 | W 19 | W 18 | W 18 | W 17 | W 16 | W 16 |
| kJ | 44 | 108 | 93 | 437 | 775 | 736 | 1093 | — | — | — | — | — | — | 30 | 68 | 110 | 232 | 230 | 487 | 533 | 858 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 4 | SSW 6 | SSW 6 | SSW 6 | SSW 5 | SSW 5 | SW 5 | — | SW 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 46 | 309 | 266 | 153 | 97 | 51 | 27 | — | 23 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 21 | 45 | 21 | 0 | 0 | 0 | 0 | 0 | 363 | 369 | 101 | 101 | 101 | 101 | 101 | 21 | 50 | 143 | 98 | 98 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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