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Back Beach Surf Forecast
/ WA – Perth City (29 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Back Beach surfForecast / WA – Perth City / Australia
48hr Weather and Surf, issued 7 am Monday 11 May 2026 AWSTForecast update in hr min s Forecast update imminent
Back Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Back Beach sea temperature is
20.9° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Back Beach today?
The current surf forecast for Back Beach at 12PM is: 1.0m 14s primary swell from a West-southwest direction and 0.3m 16s secondary swell from a West-southwest direction (forecast issued at 07:00am May 11). An open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3ft (0.9m) | 14s |
| Afternoon (11 May) | 3ft (0.9m) | 13s |
| Evening (11 May) | 4ft (1.2m) | 13s |
Table - waves today at Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Tue morning, min 17°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | |
326 | 326 | 497 | 307 | 361 | 538 | 263 | 633 | 651 | 710 | 766 | 917 | 1144 | 2020 | 2411 | 3835 | 4940 | 5440 | 5361 | 5361 | 4445 | 4021 | 3456 | 3151 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross | cross | cross-off | off | off | off | off | cross-off | cross-on | cross-on | glassy | cross-off | off | off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross | |
High Tide | 11:17AM0.42m | 4:03PM0.42m | 7:43AM0.45m | 6:16PM0.37m | 7:36AM0.50m | 8:01PM0.33m | ||||||||||||||||||
Low Tide | 2:32PM0.42m | 00:13AM0.19m | 2:19PM0.33m | 00:22AM0.23m | 2:57PM0.24m | 00:21AM0.27m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | |  | | |  |  |  | | |
 | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | 6:56 |
 | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:32 | — | — | 5:31 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 24 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 21 | 22 | 21 | 20 | 19 | 18 |
11 | 11 | 17 | 18 | 18 | 20 | 18 | 16 | 15 | 15 | 19 | 19 | 21 | 21 | 18 | 17 | 15 | 16 | 18 | 20 | 19 | 18 | 19 | 18 | |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 |
 kJ | 326 | 326 | 497 | 307 | 361 | 538 | 263 | 633 | 651 | 710 | 766 | 917 | 1144 | 2020 | 2411 | 3835 | 4940 | 5440 | 5361 | 5361 | 4445 | 4021 | 3456 | 3151 |
Swell 2 Height (m) Direction Period (s) | WSW 18 | W 18 | WSW 16 | WSW 16 | WSW 16 | NW 5 | WSW 15 | NW 5 | NW 5 | W 18 | WSW 17 | WSW 16 | WSW 16 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 103 | 156 | 50 | 259 | 256 | 10 | 246 | 4 | 6 | 25 | 100 | 208 | 376 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | N 3 | N 5 | NW 5 | NW 5 | — | — | — | — | NNW 5 | — | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 11 | 19 | 13 | 13 | — | — | — | — | 8 | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 225 | 0 | 247 | 274 | 438 | 0 | 0 | 0 | 0 | 0 | 122 | 255 | 167 | 0 | 0 | 3 | 3 | 85 | 225 | 515 | 240 | 178 | 3 | 3 |
Best forecast wave conditions in Perth City Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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