Big Rock Surf Break

Lat Long: 33.87° S 114.98° E

Big Rock 48 hour detailed Surf Forecast

Issued: 1 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Big Rock sea temperature is
18.0°C
0.9° 

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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 5ft (1.6m), 14s period with WSW swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.4m), 13s period with WSW swell.
  • Evening surf: Evening surf (17 Sep, local time) - 5ft (1.5m), 13s period with WSW swell.

The current surf forecast for Big Rock at 7AM is: 1.5m 14s primary swell from a West-southwest direction and 0.6m 11s secondary swell from a South direction (forecast issued at 01:00am September 17). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (AWST) & DateWave HeightWave Period
Morning (17 Sep)5ft (1.6m)14s
Afternoon (17 Sep)4.5ft (1.4m)13s
Evening (17 Sep)5ft (1.5m)13s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Sat morning. Warm (max 21°C on Thu morning, min 15°C on Fri night). Winds increasing (light winds from the NNE on Thu morning, near gales from the NW by Fri night).

Thursday
17
Friday
18
Saturday
19
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
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
4
3
4
1
0
0
0
2
1
3
2
2
1
0
0
0
0
0
!
!
0
0
0
0
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)
1.7
SW
14
1.5
WSW
14
1.6
WSW
14
1.6
WSW
14
1.5
WSW
13
1.3
WSW
13
1.5
WSW
13
1.5
WSW
13
1.6
WSW
12
1.6
WSW
12
1.5
WSW
12
1.3
WSW
17
1.4
WSW
17
1.9
WSW
17
2.2
WSW
16
4
NW
9
5
WNW
10
6
WNW
11
7.5
W
14
7
W
14
6
W
13
5
W
12
4.5
WSW
12
3.5
WSW
11
Wave Graph
Metric surfscale
Energy kJ
1220
850
889
902
768
615
745
711
715
703
666
921
1217
1977
2388
2590
5086
8592
20212
17542
12092
7839
5816
3429
Wind (km/h)
10
NE
5
NNE
15
NNE
25
N
25
NNW
25
NW
20
NW
15
NNW
15
N
20
NNE
25
NNE
35
NNE
35
NNE
35
N
40
NNW
50
NNW
50
NW
55
NW
55
WNW
55
W
45
W
35
W
30
W
30
WSW
Wind State
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
on
on
on
on
on
cross-on
High Tide
11:28PM0.79m
11:55PM0.81m
00:25AM0.81m
Low Tide
2:13PM0.28m
2:26PM0.27m
2:39PM0.27m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
part cloud
cloud
light rain
rain showers
rain showers
light rain
light rain
light rain
light rain
cloud
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:13
6:13
 mm
2
2
1
1
3
2
1
1
Temp °C
20
18
19
21
20
18
17
17
16
16
17
20
21
20
16
16
16
15
15
15
16
16
17
16
Feels °C
20
18
18
19
17
15
15
15
14
13
14
15
15
15
9
7
7
4
4
5
7
9
12
11
  • 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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