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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 1 pm Thursday 18 Sep 2025 AWST
How big are the waves at Back Beach today?
The current surf forecast for Back Beach at 7PM is: 3.0m 15s primary swell from a West-southwest direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be onshore and the swell rating is 11.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 8ft (2.4m) | 12s |
| Afternoon (18 Sep) | 7.5ft (2.3m) | 12s |
| Evening (18 Sep) | 10ft (3.0m) | 15s |
Table - waves today at Back Beach. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 14 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1510 | 1510 | 3714 | 4467 | 4467 | 4160 | 3933 | 4173 | 4671 | 4734 | 4734 | 4230 | 3895 | 3553 | 3183 | 2799 | 2582 | 2248 | 2125 | 1950 | 1515 | 1524 | 1169 | 1216 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | cross- on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross | cross | cross | cross- off | cross- off |
High Tide / height (m) | 7:47AM 0.56 | 10:22PM 0.33 | 8:29AM 0.53 | 9:50PM 0.37 | ||||||||||||||||||||
Low Tide / height (m) | 3:49PM 0.09 | 3:59PM 0.14 | 1:29AM 0.32 | 3:57PM 0.19 | 2:41AM 0.28 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 |
| Sunset | - | - | 6:12 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - |
 | |  |  | | |  | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 14 | 14 | 13 | 17 | 18 | 17 | 16 | 15 | 15 | 15 | 14 |
| Feels °C (?) | 11 | 11 | 10 | 10 | 11 | 13 | 13 | 12 | 14 | 15 | 14 | 14 | 14 | 12 | 12 | 11 | 15 | 15 | 13 | 12 | 12 | 12 | 12 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for WA - Perth City
Continuing clean conditions at Back Beach (light winds from the E at Gingin Aerodrome 79 km from Back Beach). A 3.2m groundswell from the WSW is too big for here
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Back Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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