Surf Forecasts:
Flat Rocks Beach (WA) surf forecast from 7 Oct 2026:
- Best quality surf: Tuesday 13 Oct, 11AM (local time) - 5.5ft (1.7m), 14s period, SW swell with offshore winds.
- Most powerful swell: Sunday 11 Oct, 2AM (local time) - 8ft (2.5m), 16s period, SW swell with 3,619 kJ wave energy.
- Next surfable swell (1★+): Tuesday 13 Oct, 11AM (local time) - 5.5ft (1.7m), 14s period with SW swell.
Best Forecast Surf Conditions for Flat Rocks Beach (WA) this week:
The surf forecast for Flat Rocks Beach (WA) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 13) at 11AM. The primary swell is predicted to be 1.7m and 14s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Flat Rocks Beach (WA) in the next 16 days are 2.5m 16s and forecast to arrive on Sunday (Oct 11) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Oct 14) at 8AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Tue 13th Oct) | 5.5ft (1.7m) 14s |
| Best Surf | 11AM (Tue 13th Oct) | 5.5ft (1.7m) 14s |
| Most Powerful | 2AM (Sun 11th Oct) | 8ft (2.5m) 16s |
Table - best surf conditions forecast for Flat Rocks Beach (WA) over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Thu morning. Very mild (max 19°C on Thu morning, min 16°C on Thu night). Winds decreasing (fresh winds from the SW on Thu afternoon, light winds from the SW by Fri night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Mon afternoon, min 11°C on Sun night). Winds increasing (light winds from the SW on Sat morning, strong winds from the SSE by Mon night). | ||||||||||||||||||||
Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SSW 15 | SW 14 | SW 14 | SSW 14 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2905 | 2374 | 1707 | 2140 | 2985 | 2238 | 2959 | 3420 | 3080 | 2358 | 3011 | 3619 | 3171 | 2761 | 2773 | 2387 | 2960 | 1289 | 1105 | 990 | 543 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross | cross-off | cross | cross-on | cross-off | off | cross | off |
High Tide | 9:16PM0.44m | 8:10AM0.50m | 9:06PM0.49m | 9:06AM0.46m | 9:13PM0.55m | 9:58AM0.41m | 9:26PM0.61m | 10:48AM0.36m | 9:42PM0.65m | 11:38AM0.32m | 9:58PM0.67m | 12:35PM0.28m | 10:14PM0.67m | ||||||||
Low Tide | 2:44PM0.18m | 2:24AM0.33m | 2:45PM0.23m | 3:12AM0.27m | 2:33PM0.27m | 3:54AM0.22m | 2:22PM0.29m | 4:35AM0.18m | 2:18PM0.30m | 5:13AM0.17m | 2:19PM0.29m | 5:50AM0.16m | 2:16PM0.27m | ||||||||
 |  |  |  | | | | | | | |  | | |  | | | | | | | |
 | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:46 | — | — |
 | — | 6:23 | — | — | 6:24 | — | — | 6:24 | — | — | 6:25 | — | — | 6:27 | — | — | 6:27 | — | — | 6:28 | — |
mm | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 19 | 18 | 17 | 18 | 18 | 17 | 18 | 18 | 18 | 18 | 17 | 16 | 18 | 19 | 18 | 26 | 28 | 24 |
Feels °C | 15 | 15 | 16 | 15 | 12 | 11 | 14 | 14 | 14 | 16 | 14 | 14 | 14 | 13 | 10 | 13 | 12 | 12 | 20 | 23 | 19 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | — | — | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | — | SW 14 | SW 14 | SSW 14 | SW 13 |
| kJ | 2905 | 2374 | 1707 | — | — | 2238 | 2959 | 3420 | 3080 | 2358 | 3011 | 3619 | 3171 | 2761 | 2773 | 2387 | — | 1289 | 1105 | 990 | 543 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 7 | — | — | SSW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 160 | — | — | 39 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 16 | SW 16 | — | — | — | — | — | — | — | — | — | — | — | SSW 15 | — | E 4 | — | E 3 |
| kJ | — | — | — | 2140 | 2985 | — | — | — | — | — | — | — | — | — | — | — | 2960 | — | 6 | — | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 502 | 965 | 746 | 2133 | 2074 | 720 | 571 | 720 | 156 | 737 | 720 | 720 | 571 | 1774 | 33 | 33 | 572 | 22 | 0 | 32 | 269 |
Best forecast wave conditions in North West WA | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Flat Rocks Beach (WA) Surf forecast
The above surf forecast table for Flat Rocks Beach (WA) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Flat Rocks Beach (WA) can be found by selecting the local surf guide option on the grey menu. Our Flat Rocks Beach (WA) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Flat Rocks Beach (WA)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Flat Rocks Beach (WA) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
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