Flat Rock Surf Break

Lat Long: 28.84° S 153.61° E

Flat Rock 48 hour detailed Surf Forecast

Issued: 3 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Flat Rock sea temperature is
20.6°C
0.5° 

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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 7ft (2.2m), 7s period with S swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 10ft (3.0m), 8s period with SSE swell.
  • Evening surf: Evening surf (16 Sep, local time) - 13ft (4.0m), 10s period with SSE swell.

The current surf forecast for Flat Rock at 9AM is: 2.2m 7s primary swell from a South direction and 0.4m 6s secondary swell from a East-northeast direction, 0.3m 5s secondary swell from a North-northeast direction (forecast issued at 03:00am September 16). The wind direction is predicted to be cross-shore.

Time (AEST) & DateWave HeightWave Period
Morning (16 Sep)7ft (2.2m)7s
Afternoon (16 Sep)10ft (3.0m)8s
Evening (16 Sep)13ft (4.0m)10s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Wed morning. Very mild (max 18°C on Wed morning, min 12°C on Wed night). Winds decreasing (strong winds from the S on Wed night, light winds from the WNW by Fri night).

Wednesday
16
Thursday
17
Friday
18
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)
0
0
0
0
0
0
0
0
!
!
!
!
!
!
!
2
4
3
3
3
1
0
0
1
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)
1.1
NNE
5
0.8
NNE
5
1.7
S
6
2.4
S
7
3
SSE
8
3
SSE
8
3.5
SSE
10
4.5
SSE
10
4
SSE
10
4
SSE
11
3.5
SSE
10
3.5
SSE
10
3
SSE
10
3
SSE
10
3
SSE
10
2.5
SSE
10
2.4
SSE
10
2.2
SSE
10
2
SSE
10
1.8
SSE
9
1.7
SSE
9
1.7
SSE
9
1.6
SSE
9
1
S
9
Wave Graph
Metric surfscale
Energy kJ
55
32
174
611
1055
1344
2488
3845
3737
3157
2823
2389
2080
1765
1620
1314
1086
874
741
573
495
435
381
162
Wind (km/h)
15
NNW
25
S
40
S
35
S
35
S
35
SSE
40
S
40
S
35
SSW
30
SSW
25
SSW
30
S
30
S
30
S
25
S
20
SSE
15
S
15
SW
15
WSW
10
SSW
10
ESE
15
ENE
15
NNE
15
N
Wind State
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross
High Tide
10:46PM1.13m
11:27AM1.38m
11:19PM1.01m
12:12PM1.33m
11:58PM0.91m
1:07PM1.28m
Low Tide
4:51AM0.32m
5:55PM0.53m
5:23AM0.39m
6:53PM0.61m
6:00AM0.46m
8:09PM0.65m
clear
thunderstorm
light rain
light rain
rain showers
clear
clear
clear
part cloud
cloud
light rain
rain showers
rain showers
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:41
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:38
 mm
1
1
1
1
1
1
1
Temp °C
18
18
18
17
18
17
17
17
15
12
13
16
17
17
17
18
16
14
13
17
18
18
17
17
Feels °C
16
15
12
11
11
9
8
8
7
5
7
10
11
11
12
14
13
12
11
16
16
16
15
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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