Surf Forecasts:
How big are the waves at Flat Rocks Beach (WA) today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6ft (1.8m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 5ft (1.6m), 13s period with SW swell.
- Evening surf: Evening surf (20 Sep, local time) - 5ft (1.6m), 13s period with SW swell.
The current surf forecast for Flat Rocks Beach (WA) at 9AM is: 1.8m 13s primary swell from a Southwest direction (forecast issued at 01:00am September 20). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6ft (1.8m) | 13s |
| Afternoon (20 Sep) | 5ft (1.6m) | 13s |
| Evening (20 Sep) | 5ft (1.6m) | 13s |
Table - waves today at Flat Rocks Beach (WA). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sun morning, min 14°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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) | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1719 | 1460 | 1155 | 969 | 940 | 865 | 721 | 1147 | 1733 | 1852 | 2080 | 2075 | 1968 | 2111 | 2075 | 2102 | 1832 | 1632 | 1460 | 1212 | 1077 | 1077 | 1196 | 1387 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | off | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross |
High Tide | 2:33AM0.55m | 4:28AM0.54m | 5:53AM0.55m | |||||||||||||||||||||
Low Tide | 2:37PM0.15m | 2:44PM0.14m | 2:50PM0.14m | |||||||||||||||||||||
 | |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 17 | 15 | 15 | 15 | 17 | 19 | 19 | 18 | 17 | 16 | 15 | 15 | 17 | 18 | 18 | 18 | 17 |
Feels °C | 15 | 16 | 17 | 17 | 14 | 14 | 15 | 14 | 13 | 13 | 14 | 14 | 15 | 16 | 16 | 15 | 14 | 13 | 13 | 15 | 15 | 14 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 1719 | 1460 | 1155 | 969 | 940 | 865 | 721 | 1147 | 1733 | 1852 | 2080 | 2075 | 1968 | 2111 | 2075 | 2102 | 1832 | 1632 | 1460 | 1212 | 1077 | 1077 | 1196 | 1387 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SW 17 | SW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 72 | 261 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 4 | — | — | — | — | — | — | — | — | S 4 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 17 | — | — | — | — | — | — | — | — | 9 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 22 | 22 | 0 | 22 | 340 | 340 | 223 | 33 | 22 | 0 | 0 | 33 | 484 | 484 | 484 | 32 | 32 | 32 | 0 | 404 | 484 | 502 | 504 | 327 |
Best forecast wave conditions in North West WA | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 Flat Rocks Beach (WA) 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.
Nearest