Flatrock Surf Break

Lat Long: 34.68° S 135.32° E

Flatrock 48 hour detailed Surf Forecast

Issued: 8 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Flatrock sea temperature is
15.3°C
0.5° 

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


How big are the waves at Flatrock today (11 Sep):

  • Morning surf: Morning surf (11 Sep, local time) - 8ft (2.4m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (11 Sep, local time) - 8ft (2.5m), 16s period with SSW swell.
  • Evening surf: Evening surf (11 Sep, local time) - 7.5ft (2.3m), 16s period with SSW swell.

The current surf forecast for Flatrock at 4PM is: 2.5m 16s primary swell from a South-southwest direction (forecast issued at 08:30am September 11). The wind direction is predicted to be cross-offshore and the swell rating is 5.

Time (ACST) & DateWave HeightWave Period
Morning (11 Sep)8ft (2.4m)15s
Afternoon (11 Sep)8ft (2.5m)16s
Evening (11 Sep)7.5ft (2.3m)16s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sat night. Warm (max 22°C on Sat afternoon, min 13°C on Sun night). Winds increasing (light winds from the S on Fri afternoon, fresh winds from the WSW by Sun morning).

Friday
11
Saturday
12
Sunday
13
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
4
3
4
4
5
4
3
3
3
3
2
3
4
4
2
0
2
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
SSW
15
2.4
SSW
15
2.4
SSW
15
2.5
SSW
16
2.5
SSW
16
2.3
SSW
16
2.3
SW
16
2.2
SW
16
2.2
SW
16
1.8
SW
15
1.9
SW
15
1.9
SW
16
1.8
SW
16
1.8
SW
17
1.5
SW
15
1.7
SW
17
1.6
SW
17
2.2
WSW
16
2.4
WSW
16
2.1
WSW
16
2
SW
15
1.3
SW
15
Wave Graph
Metric surfscale
Energy kJ
2445
2513
2720
3062
3217
2869
2694
2413
2383
1436
1694
1806
1685
1860
924
1682
1453
2490
2895
2151
1860
809
Wind (km/h)
20
ENE
15
ENE
5
NNE
5
S
20
E
20
ENE
20
NE
20
NNE
25
NNE
20
NNE
20
N
10
N
15
NE
15
ENE
30
NNE
35
WNW
20
NNW
40
WSW
35
W
30
W
25
WSW
25
WSW
Wind State
off
cross-off
cross-off
cross
off
off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
off
cross-off
cross-on
cross
on
on
on
on
cross-on
High Tide
12:56PM0.51m
00:57AM0.43m
1:08PM0.47m
1:15AM0.49m
1:19PM0.44m
Low Tide
6:29AM0.03m
7:09PM0.06m
6:58AM0.02m
7:10PM0.04m
7:25AM0.03m
7:15PM0.01m
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
light rain
rain showers
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:33
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:16
6:16
 mm
1
8
Temp °C
14
14
17
17
16
18
17
17
17
18
20
22
22
21
21
18
16
14
14
14
14
14
Feels °C
9
10
15
15
12
12
12
11
11
12
15
18
19
17
14
11
12
7
8
8
10
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 Flatrock 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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