Big Rock Surf Break

Lat Long: 33.87° S 114.98° E

Big Rock 48 hour detailed Surf Forecast

Issued: 7 am 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Big Rock sea temperature is
19.6° C
2.1° 

Big Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Big Rock today (11 Aug):

  • Morning surf: Morning surf (11 Aug, local time) - 18ft (5.5m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 16ft (5.0m), 16s period with SW swell.
  • Evening surf: Evening surf (11 Aug, local time) - 15ft (4.5m), 16s period with SW swell.

The current surf forecast for Big Rock at 3PM is: 5.0m 16s primary swell from a Southwest direction (forecast issued at 07:00am August 11). The wind direction is predicted to be cross-onshore.

Time (AWST) & DateWave HeightWave Period
Morning (11 Aug)18ft (5.5m)16s
Afternoon (11 Aug)16ft (5.0m)16s
Evening (11 Aug)15ft (4.5m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Tue night, min 12°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue morning, calm by Wed night).

Tuesday
11
Wednesday
12
Thursday
13
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
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
!
!
!
0
0
0
0
6
4
5
5
5
4
5
6
7
7
7
7
8
8
8
8
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
6
SW
16
5.5
SW
16
5.5
SW
16
5
SW
16
5
SW
16
4.5
SW
16
4.5
SW
16
4
SW
15
4
SW
15
4
SW
15
4
SW
14
4
SW
14
3.5
SW
15
3.5
SW
15
3.5
SW
15
3.5
SW
15
3.5
SW
15
3.5
SW
15
3.5
SW
16
4
SW
17
4
SW
17
4
SW
16
4
SW
16
Wave Graph
Metric surfscale
Energy kJ
17077
16469
15270
13744
12298
10661
9289
8096
6885
6562
6254
6019
5659
5659
5815
6116
6281
6533
7410
8262
8574
8077
7420
Wind (km/h)
35
S
30
SSW
30
SSW
25
SW
25
SW
25
SW
20
SW
20
SW
20
SW
15
SW
15
WSW
15
WSW
15
SW
10
SSW
5
S
0
ENE
5
ENE
5
NE
5
NNW
10
W
10
SW
10
S
10
ESE
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
glassy
glassy
glassy
cross-off
cross
on
cross-on
cross
off
High Tide
8:35AM1.02m
9:17AM0.98m
9:55AM0.92m
Low Tide
5:34PM0.24m
6:03PM0.29m
6:23PM0.35m
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
5:46
5:47
 mm
Temp °C
12
13
14
14
14
15
14
14
14
14
14
14
14
14
13
13
12
12
13
14
14
14
13
Feels °C
4
6
7
9
8
10
10
10
10
11
11
11
11
12
12
13
11
11
12
12
12
12
10
  • 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
How to use the Wavefinder 

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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