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Flat Rocks Beach (WA) Surf Forecast
/ WA – North West (27 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Flat Rocks Beach (WA) surfForecast / WA – North West / Australia
48hr Weather and Surf, issued 7 am Thursday 21 May 2026 AWSTForecast update in hr min s Forecast update imminent
Flat Rocks Beach (WA) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Flat Rocks Beach (WA) sea temperature is
20.7° C
(Which is 2.3°C colder than average for this time of year)How big are the waves at Flat Rocks Beach (WA) today?
The current surf forecast for Flat Rocks Beach (WA) at 3PM is: 1.6m 14s primary swell from a Southwest direction (forecast issued at 07:00am May 21). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 4.5ft (1.4m) | 14s |
| Afternoon (21 May) | 5ft (1.6m) | 14s |
| Evening (21 May) | 5ft (1.6m) | 14s |
Table - waves today at Flat Rocks Beach (WA). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 21°C on Thu morning, min 12°C on Sat morning). Winds increasing (calm on Thu morning, fresh winds from the SSE by Thu night). | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | |
906 | 825 | 911 | 998 | 1092 | 970 | 943 | 758 | 725 | 704 | 1045 | 932 | 841 | 480 | 424 | 473 | 647 | 540 | 463 | 463 | 455 | 361 | 361 | 314 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | off | off | off | cross-off | off | off | off | |
High Tide | 12:04PM0.69m | 12:44PM0.60m | 10:36AM0.51m | |||||||||||||||||||||
Low Tide | 10:41PM0.08m | 11:17PM0.15m | 11:32PM0.21m | |||||||||||||||||||||
 |  | | | |  |  | | | | | | | | | | |  | | | | | | | |
 | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | 7:01 |
 | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:32 | — | — | 5:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 21 | 21 | 21 | 21 | 19 | 19 | 18 | 18 | 15 | 18 | 19 | 19 | 19 | 16 | 15 | 13 | 12 | 16 | 19 | 20 | 18 | 17 | 16 |
19 | 20 | 19 | 19 | 19 | 16 | 14 | 12 | 13 | 9 | 12 | 12 | 13 | 13 | 11 | 10 | 7 | 6 | 10 | 14 | 16 | 13 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
 kJ | 906 | 825 | 911 | 998 | 1092 | 970 | 943 | 758 | 725 | 704 | 1045 | 932 | 841 | 480 | 424 | 473 | 647 | 540 | 463 | 463 | 455 | 361 | 361 | 314 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 6 | SSW 6 | SSW 6 | — | — | — | — | SW 18 | SW 18 | SW 21 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 73 | 64 | 41 | — | — | — | — | 12 | 13 | 18 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 3 | S 4 | SSW 5 | SSW 6 | SSW 7 | SSW 7 | — | — | — | SSW 6 | — | — | E 3 | ESE 3 | E 3 | — | — | — | ENE 3 | ENE 2 |
| kJ | — | — | — | — | 5 | 7 | 35 | 146 | 176 | 154 | — | — | — | 88 | — | — | 5 | 3 | 1 | — | — | — | 2 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 404 | 739 | 859 | 484 | 484 | 484 | 303 | 404 | 484 | 484 | 484 | 156 | 22 | 22 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in North West WA | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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