Flat Rock Surf Break

Lat Long: 28.84° S 153.61° E

Flat Rock 48 hour detailed Surf Forecast

Issued: 9 am 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Flat Rock sea temperature is
20.1°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 (23 Aug):

  • Morning surf: Morning surf (23 Aug, local time) - 3ft (0.9m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (23 Aug, local time) - 3.5ft (1.0m), 7s period with ENE swell.
  • Evening surf: Evening surf (23 Aug, local time) - 3.5ft (1.0m), 7s period with ENE swell.

The current surf forecast for Flat Rock at 6PM is: 1.0m 7s primary swell from a East-northeast direction and 0.3m 13s secondary swell from a South-southeast direction, 0.3m 4s secondary swell from a South direction (forecast issued at 09:00am August 23). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (23 Aug)3ft (0.9m)8s
Afternoon (23 Aug)3.5ft (1.0m)7s
Evening (23 Aug)3.5ft (1.0m)7s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Tue night. Warm (max 21°C on Tue afternoon, min 15°C on Sun night). Wind will be generally light.

Sunday
23
Monday
24
Tuesday
25
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
0
0
0
0
1
2
2
2
1
1
0
0
1
2
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)
0.8
ENE
7
0.9
ENE
8
0.9
ENE
7
1
ENE
7
1
ENE
7
1
ENE
7
0.6
S
11
0.9
ENE
7
0.5
SSE
14
0.7
S
9
0.9
ENE
8
0.9
ENE
8
0.7
S
11
0.7
S
11
0.9
ENE
8
1
ENE
8
1
ENE
8
0.9
ENE
8
1.1
ENE
8
1
ENE
8
1.1
ENE
8
1.3
NE
8
Wave Graph
Metric surfscale
Energy kJ
56
98
86
101
99
93
88
88
104
87
105
105
114
110
108
128
125
116
149
137
153
196
Wind (km/h)
15
WSW
10
SSW
10
ESE
15
SE
10
SE
5
SE
5
WSW
10
SW
10
SW
5
SSW
10
ESE
10
ENE
15
NE
15
NNE
15
N
10
NNW
10
NW
10
N
20
NNE
25
NNE
25
NNE
25
N
Wind State
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross-on
cross-on
cross
cross
High Tide
4:35AM0.84m
5:22PM1.38m
5:44AM0.90m
6:06PM1.45m
6:31AM0.98m
6:44PM1.52m
Low Tide
9:52AM0.53m
00:24AM0.55m
10:59AM0.50m
00:58AM0.46m
11:55AM0.45m
clear
clear
part cloud
clear
rain showers
cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:25
5:25
5:27
 mm
1
Temp °C
14
17
19
19
18
18
17
16
15
17
18
18
18
18
17
17
17
19
20
21
19
19
Feels °C
12
16
17
18
17
18
18
15
14
17
18
17
17
17
16
17
17
19
18
19
16
16
  • 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 

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