Flat Rock Surf Break

Lat Long: 28.84° S 153.61° E

Flat Rock 48 hour detailed Surf Forecast

Issued: 3 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Flat Rock sea temperature is
20.3° C
0.3° 

Flat 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 Flat Rock today (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 3ft (0.9m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 3ft (0.9m), 11s period with S swell.
  • Evening surf: Evening surf (12 Aug, local time) - 2.5ft (0.8m), 11s period with S swell.

The current surf forecast for Flat Rock at 9AM is: 0.9m 11s primary swell from a South direction and 0.7m 9s secondary swell from a East direction (forecast issued at 03:00am August 12). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (AEST) & DateWave HeightWave Period
Morning (12 Aug)3ft (0.9m)11s
Afternoon (12 Aug)3ft (0.9m)11s
Evening (12 Aug)2.5ft (0.8m)11s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri night. Warm (max 20°C on Wed morning, min 13°C on Wed night). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
1
1
2
2
0
2
2
1
1
0
2
1
0
0
0
1
1
1
2
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)
0.7
E
9
0.7
E
9
0.5
S
13
0.9
S
11
0.9
S
11
0.8
S
11
0.8
S
11
0.8
S
11
0.7
S
10
0.7
S
10
0.6
S
10
1.2
S
7
1
S
7
1.3
S
8
1.4
SSE
8
1.5
S
8
1.6
S
8
1.6
S
8
1.5
S
8
1.8
S
8
1.6
S
8
1.6
S
7
0.9
S
8
1.5
SSE
7
Wave Graph
Metric surfscale
Energy kJ
87
85
83
196
182
149
146
141
98
94
66
128
112
212
257
294
333
302
253
357
334
257
112
192
Wind (km/h)
20
W
15
WSW
15
WSW
10
WSW
5
SW
15
NE
10
WNW
20
WSW
20
W
20
WSW
15
SW
15
SW
15
SSE
20
SSE
20
SSE
15
S
15
SW
20
SW
20
SW
20
SSW
20
S
20
S
15
SSE
15
S
Wind State
off
off
off
off
cross-off
cross-on
off
off
off
off
cross-off
cross-off
cross
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
High Tide
7:53AM1.20m
8:16PM1.82m
8:37AM1.26m
8:58PM1.76m
9:19AM1.30m
9:37PM1.67m
Low Tide
2:11AM0.19m
1:39PM0.14m
2:52AM0.14m
2:28PM0.11m
3:29AM0.12m
3:14PM0.13m
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:20
5:21
5:21
 mm
Temp °C
14
13
13
17
20
19
17
15
15
14
13
16
18
17
17
17
14
13
13
15
17
17
18
17
Feels °C
10
9
9
14
18
15
14
10
10
9
9
12
14
13
13
14
11
9
9
11
13
14
16
15
  • 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 Flat 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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