Surf Forecasts:
Cobblestones surf forecast from 20 Sep 2026:
- Best quality surf: Sunday 20 Sep, 8PM (local time) - 11ft (3.5m), 15s period, SW swell with cross-offshore winds.
- Most powerful swell: Friday 25 Sep, 11AM (local time) - 15ft (4.5m), 18s period, SW swell with 14,629 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 8PM (local time) - 11ft (3.5m), 15s period with SW swell.
Best Forecast Surf Conditions for Cobblestones this week:
The surf forecast for Cobblestones over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 8PM. The primary swell is predicted to be 3.5m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cobblestones in the next 16 days are 4.5m 18s and forecast to arrive on Friday (Sep 25) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sun 20th Sep) | 11ft (3.5m) 15s |
| Best Surf | 8PM (Sun 20th Sep) | 11ft (3.5m) 15s |
| Most Powerful | 11AM (Fri 25th Sep) | 15ft (4.5m) 18s |
Table - best surf conditions forecast for Cobblestones over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 16°C on Sun afternoon, min 13°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 13mm), heaviest on Sat morning. Very mild (max 16°C on Wed afternoon, min 10°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the SSE by Fri morning). | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | ||||||||||||||
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 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 14 | SW 14 | SW 14 | SW 16 | SW 18 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 4711 | 5659 | 4733 | 3970 | 2801 | 3889 | 3305 | 2399 | 1751 | 1319 | 1537 | 1418 | 2155 | 4993 | 14629 | 10211 | 6679 | 4295 | 3221 | 1785 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | on | cross-on | cross-off | glassy | cross-on | cross-off | on | cross-on | glassy | on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 2:38AM0.77m | 6:05AM0.76m | 7:15AM0.76m | 10:32PM0.59m | 8:09AM0.74m | 9:56PM0.59m | 8:58AM0.71m | 9:45PM0.62m | 9:47AM0.66m | 9:47PM0.66m | ||||||||||
Low Tide | 2:51PM0.28m | 3:03PM0.28m | 3:14PM0.30m | 3:25PM0.31m | 1:57AM0.56m | 3:36PM0.34m | 2:47AM0.48m | 3:45PM0.37m | 3:33AM0.40m | 3:50PM0.41m | 4:22AM0.33m | |||||||||
 |  |  | |  |  | | | | | |  | |  |  | |  | | | | |
 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — |
 | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:17 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 4 | 1 | 1 | 5 | 3 | 4 |
Temp °C | 16 | 14 | 15 | 15 | 16 | 15 | 16 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 11 | 13 | 12 | 11 | 12 | 11 |
Feels °C | 14 | 11 | 13 | 13 | 14 | 14 | 12 | 12 | 13 | 13 | 13 | 14 | 11 | 9 | 4 | 5 | 5 | 5 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 14 | SW 14 | SW 14 | SW 16 | SW 18 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 |
| kJ | 4711 | 5659 | 4733 | 3970 | 2801 | 3889 | 3305 | 2399 | 1751 | 1319 | 1537 | 1418 | 2155 | 4993 | 14629 | 10211 | 6679 | 4295 | 3221 | 1785 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 9 | S 8 | SW 23 | WSW 21 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 81 | 35 | 268 | 2372 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 24 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 24 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SSW 4 | SW 13 | SSE 6 | SSE 6 | SSE 7 | S 8 | SSE 9 | SSE 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 2174 | 256 | 190 | 277 | 612 | 1382 | 1016 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1 | 38 | 2 | 1 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 2 | 2003 | 20 | 1689 | 1797 | 1 | 64 | 64 | 89 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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 Cobblestones 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.
Information about the Cobblestones Surf forecast
The above surf forecast table for Cobblestones provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cobblestones can be found by selecting the local surf guide option on the grey menu. Our Cobblestones 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 (Cobblestones) 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 Cobblestones 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.
Cobblestones is 85 km (53 miles) from the city of Bunbury. If you plan a holiday in Margaret River, look for hotels and other accommodation in Bunbury. Bunbury has rooms for a wide range of budgets as well as car hire and transport links.
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