Big Rock surfForecast / WA – Margaret River / Australia

information circle48hr Weather and Surf, issued 1 pm Monday 11 May 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
20.9° C
(Which is slightly warmer than usual)

How big are the waves at Big Rock today?

The current surf forecast for Big Rock at 6PM is: 1.2m 12s primary swell from a West-southwest direction and 0.6m 15s secondary swell from a West direction (forecast issued at 01:00pm May 11). An open ocean swell of 1.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (AWST) & DateWave HeightWave Period
Morning (11 May)4ft (1.2m)13s
Afternoon (11 May)4.5ft (1.3m)13s
Evening (11 May)4ft (1.2m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Wed afternoon. Warm (max 21°C on Mon afternoon, min 15°C on Thu morning). Winds decreasing (fresh winds from the N on Mon afternoon, light winds from the SSW by Wed night).

Mon
11
Tuesday
12
Wednesday
13
Thu
14
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
1
1
1
1
3
3
3
6
7
7
0
0
0
0
4
5
2
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
WSW
13
1.4
WSW
13
1.2
WSW
13
1.2
WSW
12
1.4
WSW
13
1.8
WSW
12
2.1
W
12
2.2
W
12
2.4
WSW
13
2.5
WSW
15
3
WSW
14
3.5
WSW
14
4
WSW
15
4.5
WSW
15
4.5
WSW
15
4.5
WSW
16
4.5
WSW
15
4
WSW
15
4
WSW
14
4
WSW
14
3.5
WSW
14
3.5
WSW
14
3.5
WSW
13
3.5
WSW
13
Wave Graph
Metric surfscale
Energy kJ
491
633
454
412
673
947
1312
1435
1808
3074
3242
4314
7357
8392
8989
8708
8268
7161
6452
5733
5022
4642
4401
4309
Wind (km/h)
35
N
35
N
30
N
30
NNW
30
NNW
25
NNW
25
N
25
N
25
NNW
25
NNW
20
NNW
15
N
15
NNW
20
N
20
NNW
25
NW
30
WNW
25
W
25
SW
20
S
15
SSW
20
SSW
20
SW
20
WSW
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
on
cross-on
cross
cross
cross-on
cross-on
cross-on
High Tide
8:51AM0.80m
5:55PM0.74m
8:08AM0.81m
8:03PM0.71m
7:59AM0.85m
9:43PM0.69m
Low Tide
2:34PM0.72m
1:04AM0.56m
2:45PM0.60m
1:16AM0.60m
3:21PM0.50m
1:13AM0.65m
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
thunderstorm
rain showers
part cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:03
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:29
5:28
1
1
Temp °C
21
21
20
20
20
20
20
20
21
21
21
20
20
19
20
20
20
20
18
17
17
16
16
15
15
15
15
16
16
17
17
16
17
17
19
18
18
17
17
16
16
16
14
14
15
13
12
10
Swell 1
Height (m)
Direction
Period (s)
1.2
WSW
13
1.4
WSW
13
1.2
WSW
13
1.2
WSW
12
1.4
WSW
13
1.8
WSW
12
2.1
W
12
2.2
W
12
2.4
WSW
13
2.5
WSW
15
3
WSW
14
3.5
WSW
14
4
WSW
15
4.5
WSW
15
4.5
WSW
15
4.5
WSW
16
4.5
WSW
15
4
WSW
15
4
WSW
14
4
WSW
14
3.5
WSW
14
3.5
WSW
14
3.5
WSW
13
3.5
WSW
13
Energy kJ
491
633
454
412
673
947
1312
1435
1808
3074
3242
4314
7357
8392
8989
8708
8268
7161
6452
5733
5022
4642
4401
4309
Swell 2
Height (m)
Direction
Period (s)
0.5
W
16
0.6
W
15
0.7
WSW
14
0.1
SW
16
0.2
SSW
15
0.2
WSW
18
0.5
W
17
0.6
W
16
1.4
WSW
16
Energy kJ
134
161
218
10
22
31
149
193
883
Swell 3
Height (m)
Direction
Period (s)
0.1
W
18
Energy kJ
6
Wind waves
Height (m)
Direction
Period (s)
1.8
NNW
6
2
NNW
6
1.9
NNW
7
1.7
NNW
7
1.7
NNW
6
1.5
NNW
6
1.2
NNW
6
1.1
NNW
6
1
N
6
0.9
NNW
5
0.6
N
5
Energy kJ
256
320
307
249
207
164
104
80
62
43
17
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
3
3
3
4
3
4
5
4
5
8
4
4
5
7
3
7
5
6
5
5
5
Distance (km)
159
202
144
53
53
144
144
53
53
53
53
2
15
86
86
88
202
359
2
20
1
2
2
2
Best forecast wave conditions in Margaret River
Rating
(10 max)
3
3
3
4
5
4
5
8
7
5
6
5
5
5
Best forecast wave conditions in Australia
Rating
(10 max)
3
3
3
4
4
4
4
4
5
5
4
5
8
6
6
7
7
4
7
5
6
5
5
5
Header Global
Rating
(10 max)
8
6
5
4
5
5
5
9
9
6
9
9
9
9
9
8
9
9
9
7
6
5
9
8
  • 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

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest