Surf Forecasts:
How big are the waves at Back Beach today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 10ft (3.0m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 10ft (3.0m), 15s period with WSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 10ft (3.0m), 15s period with WSW swell.
The current surf forecast for Back Beach at 3PM is: 3.0m 15s primary swell from a West-southwest direction and 0.2m 24s secondary swell from a West-southwest direction (forecast issued at 07:00am August 21). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 10ft (3.0m) | 15s |
| Afternoon (21 Aug) | 10ft (3.0m) | 15s |
| Evening (21 Aug) | 10ft (3.0m) | 15s |
Table - waves today at Back Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 21°C on Fri afternoon, min 13°C on Fri morning). Winds decreasing (fresh winds from the S on Sat night, light winds from the SE by Sun night). | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SW 13 | WSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 4108 | 3950 | 3574 | 3157 | 3227 | 3348 | 3151 | 2842 | 2243 | 2309 | 4478 | 3237 | 2629 | 2300 | 1856 | 1447 | 1042 | 1028 | 1028 | 1127 | 1444 | 1308 | 1484 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off | cross-off | off | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:11AM0.55m | 4:40AM0.56m | 5:51AM0.58m | ||||||||||||||||||||
Low Tide | 3:26PM0.10m | 3:41PM0.08m | 3:58PM0.07m | ||||||||||||||||||||
 |  | | | |  | |  | | | |  |  | | | | |  | | | | | | |
 | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 13 | 13 | 17 | 21 | 21 | 19 | 18 | 16 | 15 | 15 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 16 |
Feels °C | 9 | 9 | 13 | 18 | 17 | 15 | 14 | 13 | 12 | 14 | 17 | 15 | 12 | 10 | 10 | 10 | 11 | 12 | 12 | 13 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SW 13 |
| kJ | 4108 | 3950 | 3574 | 3157 | 3227 | 3348 | 3151 | 2842 | 2243 | 1629 | 4478 | 3237 | 2629 | 2300 | 1856 | 1447 | 1042 | 1028 | 1028 | 1127 | 1444 | 1308 | 1112 |
Swell 2 Height (m) Direction Period (s) | — | W 26 | — | WSW 24 | WSW 24 | WSW 22 | WSW 20 | WSW 19 | WSW 18 | WSW 17 | — | — | — | — | — | — | WSW 20 | WSW 20 | WSW 18 | WSW 18 | WSW 18 | WSW 17 | WSW 16 |
| kJ | — | 13 | — | 54 | 55 | 311 | 1024 | 1159 | 1652 | 2309 | — | — | — | — | — | — | 75 | 75 | 184 | 360 | 329 | 864 | 1484 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSE 4 | — | — | — | — | — | — | SSW 4 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | — | — | — |
| kJ | — | — | — | — | — | 20 | — | — | — | — | — | — | 10 | 139 | 372 | 405 | 306 | 209 | 136 | 77 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 3 | 108 | 178 | 71 | 0 | 0 | 0 | 71 | 287 | 515 | 265 | 265 | 265 | 265 | 265 | 184 | 121 | 290 | 265 | 3 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
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