Flat Rock Surf Break

Lat Long: 32.93° S 151.79° E

Flat Rock 48 hour detailed Surf Forecast

Issued: 3 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Flat Rock sea temperature is
18.7°C
0.1° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 3ft (0.9m), 8s period with SE swell.
  • Evening surf: Evening surf (18 Sep, local time) - 2.5ft (0.8m), 8s period with SE swell.

The current surf forecast for Flat Rock at 7AM is: 0.1m 13s primary swell from a East direction (forecast issued at 03:00am September 18). An open ocean swell of 1.5m 8s is not directed at the surf break, a second open ocean swell of 0.2m 19s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (AEST) & DateWave HeightWave Period
Morning (18 Sep)3ft (0.9m)8s
Afternoon (18 Sep)3ft (0.9m)8s
Evening (18 Sep)2.5ft (0.8m)8s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Sun afternoon, min 15°C on Fri night). Wind will be generally light.

Friday
18
Saturday
19
Sunday
20
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
1
0
0
0
0
0
0
0
0
0
0
0
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)
0.1
E
13
0.1
E
13
0.1
E
13
0.9
SE
8
0.9
SE
8
0.9
SE
8
0.8
SE
8
0.7
SE
8
0.8
ESE
8
0.6
SE
8
0.6
ESE
8
0.5
SE
8
0.5
SE
8
0.4
SE
8
0.4
SE
8
0.3
SE
7
0.1
SE
7
0.2
E
8
0.2
E
7
0.2
ESE
7
0.8
S
10
0.1
E
9
0.7
NE
4
0.7
SSE
18
Wave Graph
Metric surfscale
Energy kJ
3
3
3
96
86
86
71
62
78
48
40
29
28
15
14
9
2
5
4
5
0
2
12
0
Wind (km/h)
10
WNW
10
NW
10
NW
10
NW
10
ENE
20
ENE
20
NE
15
W
15
WNW
20
WNW
20
WNW
15
W
10
SSE
10
ENE
5
N
10
W
10
W
10
WNW
10
WNW
5
NW
5
ENE
25
NE
10
N
5
WNW
Wind State
off
off
off
cross-off
cross-on
cross-on
cross
off
off
off
off
off
cross-on
cross-on
glassy
off
cross-off
off
off
glassy
cross-on
cross
cross-off
glassy
High Tide
00:35AM0.98m
1:02PM1.36m
1:45AM0.92m
2:03PM1.34m
3:16AM0.92m
3:09PM1.34m
Low Tide
6:08AM0.59m
8:08PM0.59m
7:03AM0.67m
9:25PM0.58m
8:16AM0.71m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:47
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:46
 mm
Temp °C
13
12
11
16
21
20
20
19
17
16
15
22
25
26
26
23
22
20
19
22
26
26
27
24
Feels °C
11
10
8
14
18
15
16
15
13
11
10
18
20
21
23
19
19
16
15
20
23
21
24
22
  • 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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