Surf Forecasts:
How big are the waves at Back Beach today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 7.5ft (2.3m), 16s period with WSW swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 11ft (3.5m), 18s period with WSW swell.
- Evening surf: Evening surf (17 Aug, local time) - 15ft (4.5m), 17s period with WSW swell.
The current surf forecast for Back Beach at 5AM is: 2.4m 16s primary swell from a West-southwest direction and 1.3m 20s secondary swell from a West-southwest direction (forecast issued at 01:00am August 17). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 7.5ft (2.3m) | 16s |
| Afternoon (17 Aug) | 11ft (3.5m) | 18s |
| Evening (17 Aug) | 15ft (4.5m) | 17s |
Table - waves today at Back Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Mon afternoon. Very mild (max 19°C on Mon morning, min 14°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon afternoon, calm by Wed morning). | ||||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
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) | WSW 15 | WSW 16 | WSW 16 | WSW 19 | WSW 18 | WSW 17 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 3022 | 2836 | 2787 | 4004 | 6891 | 9908 | 10958 | 10902 | 10091 | 9602 | 9047 | 8511 | 8619 | 8097 | 7446 | 6444 | 5717 | 4590 | 3805 | 3241 | 3706 | 5012 | 5879 | 6667 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross-on | cross-on | on | on | on | on | glassy | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-on | on | cross-on | cross |
High Tide | 00:20AM0.46m | 9:23AM0.33m | 00:41AM0.51m | 1:10AM0.54m | ||||||||||||||||||||
Low Tide | 6:17AM0.31m | 4:39PM0.21m | 4:20PM0.18m | 3:39PM0.15m | ||||||||||||||||||||
 | |  |  |  |  |  | | | | | | | |  | | | | | | | | | | |
 | — | 6:52 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 17 | 19 | 17 | 16 | 15 | 16 | 16 | 15 | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 16 |
Feels °C | 11 | 11 | 14 | 12 | 9 | 8 | 8 | 10 | 12 | 12 | 12 | 14 | 12 | 12 | 13 | 13 | 13 | 13 | 16 | 16 | 14 | 14 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 16 | WSW 16 | WSW 19 | — | — | — | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 16 |
| kJ | 3022 | 2836 | 2787 | 4004 | — | — | — | 10902 | 10091 | 9602 | 9047 | 8511 | 8619 | 8097 | 7446 | 6444 | 5717 | 4590 | 3805 | 3241 | 3706 | 5012 | 5879 | 6667 |
Swell 2 Height (m) Direction Period (s) | WSW 21 | WSW 20 | WSW 20 | — | — | — | — | — | SW 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 260 | 1231 | 951 | — | — | — | — | — | 1663 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | NNW 4 | NNW 3 | NW 5 | WSW 18 | WSW 17 | WSW 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 9 | 10 | 8 | 49 | 6891 | 9908 | 10958 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 225 | 1680 | 1023 | 1018 | 1023 | 702 | 817 | 790 | 289 | 184 | 3 | 122 | 474 | 474 | 189 | 189 | 189 | 189 | 3 | 0 | 240 | 265 | 189 | 3 |
Best forecast wave conditions in Perth City Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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