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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 pm Saturday 30 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
21.0° C
(Which is normal for this time of year)How big are the waves at Back Beach today (31 May):
- Morning surf: Morning surf (31 May, local time) - 15ft (4.5m), 10s period with W swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 16ft (5.0m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 20ft (6.0m), 14s period with WSW swell.
The current surf forecast for Back Beach at 2AM is: 3.0m 8s primary swell from a West-northwest direction and 1.2m 13s secondary swell from a Southwest direction (forecast issued at 07:00pm May 30). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 15ft (4.5m) | 10s |
| Afternoon (31 May) | 16ft (5.0m) | 12s |
| Evening (31 May) | 20ft (6.0m) | 14s |
Table - waves today at Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Sun night. Warm (max 22°C on Sat night, min 16°C on Sun afternoon). Winds decreasing (gales from the W on Sun afternoon, light winds from the WSW by Mon night). | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 14 | SW 14 | SW 14 | WNW 8 | W 10 | W 10 | W 11 | W 11 | W 12 | WSW 13 | WSW 14 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | |
721 | 681 | 532 | 1256 | 3192 | 3706 | 4671 | 6349 | 8890 | 12348 | 15593 | 15338 | 12370 | 10647 | 8551 | 6450 | 5088 | 4158 | 3198 | 2355 | 1964 | 1560 | 1087 | 1087 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:34AM0.68m | 9:01AM0.68m | 9:29AM0.68m | |||||||||||||||||||||
Low Tide | 5:37PM0.08m | 6:10PM0.07m | 6:48PM0.07m | |||||||||||||||||||||
 |  | |  | | |  | | |  | | | | | | | |  |  | | |  |  | | |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — |
 | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | 5:23 |
4 | 2 | 1 | 2 | 2 | 1 | — | 1 | 2 | 1 | 1 | 3 | 1 | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 18 | 22 | 22 | 20 | 19 | 17 | 17 | 17 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 19 | 19 |
13 | 15 | 16 | 12 | 9 | 6 | 6 | 5 | 4 | 4 | 6 | 8 | 10 | 11 | 12 | 12 | 14 | 14 | 15 | 13 | 13 | 13 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | — | — | — | — | — | — | — | — | — | — | — | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 18 |
 kJ | 721 | 681 | 532 | 525 | — | — | — | — | — | — | — | — | — | — | — | 6450 | 5088 | 4158 | 3198 | 2355 | 1964 | 1560 | 1087 | 211 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 20 | SW 20 | WSW 20 | WSW 20 | WSW 18 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 38 | 97 | 75 | 38 | 127 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 19 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | — | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | NNW 5 | WNW 7 | WNW 8 | W 10 | W 10 | W 11 | W 11 | W 12 | WSW 13 | WSW 14 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | — | — | — | — | — | — | — | — | WSW 11 |
| kJ | 10 | 110 | 431 | 1256 | 3192 | 3706 | 4671 | 6349 | 8890 | 12348 | 15593 | 15338 | 12370 | 10647 | 8551 | — | — | — | — | — | — | — | — | 1087 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 370 | 339 | 289 | 438 | 1680 | 1680 | 1680 | 1813 | 1680 | 2074 | 2074 | 1680 | 2230 | 2358 | 2360 | 2358 | 290 | 265 | 251 | 251 | 374 | 374 | 374 | 569 |
Best forecast wave conditions in Perth City Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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