- Forecast
- Maps
- Live
- Weather State
- Spot Information
Castle Rock Surf Forecast
/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Castle Rock surfForecast / WA – Margaret River / Australia
16 Day Weather and Surf, issued 7 pm Sunday 26 Apr 2026 AWSTForecast update in hr min s Forecast update imminent
Castle Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castle Rock sea temperature is
20.1° C
(Which is slightly cooler than normal)Best Forecast Surf Conditions for Castle Rock this week:
The surf forecast for Castle Rock over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Apr 27) at 2AM. The primary swell is predicted to be 1.8m and 19s period with a secondary swell of 1.5m and 12s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Castle Rock in the next 16 days are 2.5m 18s and forecast to arrive on Monday (Apr 27) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Friday (May 01) at 8AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 27th Apr) | 6ft (1.8m) 19s |
| Best Surf | 2AM (Mon 27th Apr) | 6ft (1.8m) 19s |
| Most Powerful | 8AM (Mon 27th Apr) | 8ft (2.5m) 18s |
Table - best surf conditions forecast for Castle Rock over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Mon morning. Warm (max 20°C on Tue afternoon, min 13°C on Mon morning). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 17°C on Wed night, min 11°C on Fri night). Winds decreasing (fresh winds from the SSE on Fri morning, light winds from the SE by Sat morning). | ||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SW 19 | WSW 17 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | |
2252 | 3538 | 2731 | 2155 | 2015 | 1848 | 1629 | 1342 | 1186 | 915 | 1176 | 1110 | 1367 | 1514 | 1167 | 910 | 712 | 634 | 448 | 293 | 209 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 9:18AM0.46m | 7:51PM0.43m | 8:41AM0.51m | 8:51PM0.39m | 8:36AM0.56m | 9:55PM0.35m | 8:43AM0.62m | 8:53AM0.67m | 9:06AM0.70m | 9:21AM0.72m | |||||||||||
Low Tide | 2:39AM0.22m | 3:22PM0.35m | 2:27AM0.29m | 3:55PM0.28m | 1:35AM0.33m | 4:28PM0.23m | 00:40AM0.33m | 5:02PM0.18m | 5:38PM0.16m | 6:18PM0.14m | 7:12PM0.14m | ||||||||||
 |  |  |  |  | | |  |  | | | | | | |  | | | | | | |
 | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — |
 | 5:45 | — | 5:44 | — | — | 5:43 | — | — | 5:42 | — | — | 5:40 | — | — | 5:39 | — | — | 5:38 | — | — | 5:37 |
— | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 15 | 15 | 16 | 20 | 18 | 17 | 20 | 17 | 16 | 17 | 16 | 14 | 15 | 13 | 14 | 16 | 14 | 15 | 19 |
14 | 15 | 13 | 13 | 13 | 18 | 15 | 15 | 18 | 13 | 14 | 12 | 10 | 7 | 8 | 8 | 11 | 12 | 10 | 13 | 17 | |
Swell 1 Height (m) Direction Period (s) | SW 19 | WSW 17 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 |
 kJ | 2252 | 3538 | 2731 | 2155 | 2015 | 1848 | 1629 | 1342 | 1186 | 915 | 1176 | 1110 | 1367 | 1514 | 1167 | 910 | 712 | 634 | 448 | 293 | 209 |
Swell 2 Height (m) Direction Period (s) | SW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 16 | SW 15 |
| kJ | 667 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 27 | 109 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | ESE 3 | — | S 3 | S 4 | SSW 4 | SSE 4 | SE 4 | — | ESE 3 | ESE 3 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 7 | — | 11 | 6 | 20 | 21 | 8 | — | 1 | 3 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 7 | 7 | 7 | 7 | 0 | 9 | 0 | 1902 | 0 | 1676 | 39 | 0 | 0 | 7 | 0 | 0 | 0 |
Best forecast wave conditions in Margaret River | |||||||||||||||||||||
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 Castle Rock 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 Castle Rock Surf forecast
The above surf forecast table for Castle Rock provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Castle Rock can be found by selecting the local surf guide option on the grey menu. Our Castle Rock 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 (Castle Rock) 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 Castle Rock 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.
Nearest