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Surf Forecasts:

Castle Rock surfForecast / WA – Margaret River / Australia

information circle12 Day Weather and Surf, issued 7 pm Saturday 24 Jan 2026 AWST
Forecast 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
22.1° C
 (Which is 1.7°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Castle Rock this week:

The surf forecast for Castle Rock over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 27) at 11AM. The primary swell is predicted to be 2.3m and 13s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Castle Rock in the next 12 days are 4.0m 18s and forecast to arrive on Sunday (Jan 25) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 9s period and expected on Friday (Jan 30) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Tue 27th Jan)7.5ft (2.3m) 13s
Best Surf11AM (Tue 27th Jan)7.5ft (2.3m) 13s
Most Powerful11PM (Sun 25th Jan)13ft (4.0m) 18s

Table - best surf conditions forecast for Castle Rock over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 3mm), mostly falling on Sun afternoon. Warm (max 21°C on Sat night, min 15°C on Mon night). Mainly strong winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Fri afternoon, min 13°C on Tue night). Winds increasing (calm on Wed morning, strong winds from the S by Fri afternoon).

Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Sat
31
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
1
2
2
3
2
2
0
0
1
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
WSW
2.2
WSW
3
WSW
4
WSW
3.5
WSW
3.5
WSW
3
WSW
2.3
WSW
1.8
WSW
1.4
SW
1.2
SW
0.4
WSW
1.1
SW
1
SW
0.4
WSW
1
SW
0.7
WSW
1
SW
1.3
SW
1.3
SW
1.1
SW
Period(s) (?)141113171615141312111116101014101312121313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)131810862432969068235476316616749365123479922619680188142287502543424
Wind
(km/h)
30
WNW
35
WNW
30
W
25
W
35
SW
30
SW
20
S
20
SSW
40
SSW
25
SE
5
ESE
35
SSW
25
SE
5
W
35
SSW
30
SSE
25
SSE
40
S
35
ESE
15
ESE
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		cross-
off		cross-
off		offcross-
off		offoffcross-
off		glassoffcross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		crosscrossoff
High Tide
/ height (m)
9:57PM
0.41
3:42PM
0.52
4:29PM
0.59
5:24PM
0.66
6:21PM
0.73
7:15PM
0.78
8:06PM
0.81
Low Tide
/ height (m)
6:25AM
0.27
3:33AM
0.23
3:15AM
0.12
3:38AM
0.03
4:12AM
-0.04
4:50AM
-0.07
5:29AM
-0.07
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Sat
31
Sunrise-5:33--5:33--5:35--5:35--5:37--5:37--5:39-
Sunset--7:29--7:28--7:27--7:27--7:25--7:25--7:24
part cloud
part cloud
rain showers
rain showers
rain showers
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
Rain (mm)
--111----------------
Temp. °C212120191818171819171921182123192427202430
Feels °C (?)171715141211111311101815122018132022132126
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 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.

View detailed surf forecast for Castle Rock at:
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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 12 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.

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