Flat Rock Surf Break

Lat Long: 32.93° S 151.79° E

Flat Rock 48 hour detailed Surf Forecast

Issued: 9 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Flat Rock sea temperature is
17.5° C
1.0° 

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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 3ft (0.9m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 4ft (1.2m), 10s period with ESE swell.
  • Evening surf: Evening surf (19 Aug, local time) - 3.5ft (1.1m), 9s period with E swell.

The current surf forecast for Flat Rock at 5AM is: 1.0m 8s primary swell from a East direction and 1.0m 8s secondary swell from a East-southeast direction, 0.7m 11s secondary swell from a East-southeast direction (forecast issued at 09:00pm August 18). The wind direction is predicted to be glassy and the swell rating is 2.

Time (AEST) & DateWave HeightWave Period
Morning (19 Aug)3ft (0.9m)8s
Afternoon (19 Aug)4ft (1.2m)10s
Evening (19 Aug)3.5ft (1.1m)9s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Warm (max 22°C on Fri afternoon, min 13°C on Wed night). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
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)
0
0
1
2
1
0
0
0
0
0
0
1
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
ESE
7
1.1
ESE
8
1.1
E
8
1
ESE
8
0.9
ESE
8
0.7
ESE
10
0.7
ESE
10
1.2
ESE
10
1.2
ESE
9
1.1
E
9
1
E
9
0.9
ESE
9
0.9
ESE
7
0.9
ESE
7
0.9
ESE
7
0.8
ESE
7
0.8
ENE
6
1.4
ENE
6
Wave Graph
Metric surfscale
Energy kJ
127
146
157
127
97
92
88
282
265
199
162
137
66
64
62
58
46
141
Wind (km/h)
15
ENE
10
ENE
5
NE
5
NNW
5
NW
5
NNE
15
E
20
ENE
20
NE
20
NNE
15
NNE
10
NNW
10
NNW
10
N
5
NNE
15
NE
15
NNE
10
NNW
Wind State
cross-on
cross-on
cross
glassy
cross-off
cross
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
00:16AM1.16m
12:59PM1.36m
1:04AM1.03m
1:52PM1.34m
Low Tide
6:30PM0.53m
6:20AM0.46m
7:31PM0.60m
6:59AM0.54m
8:45PM0.63m
part cloud
rain showers
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:25
5:27
 mm
1
1
Temp °C
16
16
16
15
14
15
16
17
16
16
15
13
13
16
21
20
20
19
Feels °C
13
14
15
15
13
14
13
13
12
13
12
11
11
14
19
16
16
17
  • 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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