Big Rock surfForecast / WA – Margaret River / Australia

information circle48hr Weather and Surf, issued 7 am Tuesday 17 Feb 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Big Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Rock sea temperature is
20.7° C
(Which is normal for this time of year)


How big are the waves at Big Rock today?

The current surf forecast for Big Rock at 4PM is: 2.5m 13s primary swell from a Southwest direction (forecast issued at 07:00am February 17). The wind direction is predicted to be cross-onshore.

Time (AWST) & DateWave HeightWave Period
Morning (17 Feb)10ft (3.0m)14s
Afternoon (17 Feb)8ft (2.5m)13s
Evening (17 Feb)8ft (2.5m)13s

Table - waves today at Big Rock. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
5
5
1
0
1
2
3
3
3
4
2
0
1
3
3
3
4
4
1
0
1
1
2
3
Swell
Height Map
Wave Height (m) & direction (?)
3
SW
3
SW
3
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2.4
SW
2.3
SW
2.3
SW
2.4
SW
2.3
SW
2.2
SW
2.1
SW
2.1
SW
Period(s) (?)141414131313131313131312121213131313131313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)326131262760251121872154201319512107207520231960196018782241214019821834180619221697161915371417
Wind
(km/h)
15
SSE
10
SSE
20
SW
30
SSW
30
SSW
25
S
20
SSE
15
SE
15
SE
15
ESE
10
SW
20
SSW
25
S
25
SSE
25
SE
20
ESE
15
ESE
10
ENE
15
WSW
30
SSW
30
SSW
30
S
25
SSE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
on
cross-
on
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
crosscrosscross-
off
cross-
off
High Tide
/ height (m)
12:07PM
0.49
9:50PM
0.81
11:44AM
0.50
10:31PM
0.74
11:41AM
0.53
11:13PM
0.65
Low Tide
/ height (m)
5:19AM
0.23
2:30PM
0.48
5:35AM
0.27
3:43PM
0.43
5:47AM
0.32
4:47PM
0.40
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
Sunrise-5:56-------5:56-------5:58------
Sunset----7:10-------7:09-------7:08---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C141517171817161515162220211817161721212120181818
Feels °C (?)111313121313131313142118181514131520191816141515
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

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 Big 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.


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