Flat Rock Surf Break

Lat Long: 28.84° S 153.61° E

Flat Rock 48 hour detailed Surf Forecast

Issued: 9 am 23 Sep 2026 (local time)

Forecast update in  hr  min

Today's Flat Rock sea temperature is
21.3°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 (23 Sep):

  • Morning surf: Morning surf (23 Sep, local time) - 4.5ft (1.3m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (23 Sep, local time) - 1.5ft (0.5m), 18s period with SSE swell.
  • Evening surf: Evening surf (23 Sep, local time) - 4.5ft (1.3m), 7s period with ESE swell.

The current surf forecast for Flat Rock at 2PM is: 0.5m 19s primary swell from a South-southeast direction and 0.8m 8s secondary swell from a South direction, 0.5m 10s secondary swell from a South direction, 1.3m 6s secondary swell from a East-southeast direction (forecast issued at 09:00am September 23). The wind direction is predicted to be onshore.

Time (AEST) & DateWave HeightWave Period
Morning (23 Sep)4.5ft (1.3m)8s
Afternoon (23 Sep)1.5ft (0.5m)18s
Evening (23 Sep)4.5ft (1.3m)7s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Wed afternoon, min 17°C on Fri night). Wind will be generally light.

Wednesday
23
Thursday
24
Friday
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
0
0
1
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)
1.3
SSE
8
1.3
SE
7
0.5
SSE
19
0.5
SSE
18
1.3
ESE
7
1.3
ESE
7
1.1
ESE
7
1.1
SE
7
1.2
ESE
7
1.3
ESE
7
1.4
ESE
7
1.4
ESE
7
1.2
ESE
7
1.3
ESE
6
1.3
E
7
1.3
E
7
1.3
E
7
1.3
E
7
1.3
E
7
1.4
E
7
1.4
E
7
1.4
ENE
8
Wave Graph
Metric surfscale
Energy kJ
230
179
201
178
154
134
110
109
123
149
158
158
131
147
148
152
154
153
158
203
215
226
Wind (km/h)
20
ESE
20
E
20
E
20
E
20
E
10
E
10
ESE
10
E
10
E
20
E
15
E
15
E
15
E
10
E
10
E
10
E
5
ENE
10
E
15
ENE
20
ENE
15
NE
15
NNE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
glassy
on
cross-on
cross-on
cross-on
cross
High Tide
6:08AM1.01m
6:05PM1.40m
6:41AM1.12m
6:43PM1.44m
7:13AM1.23m
7:19PM1.46m
Low Tide
11:32AM0.47m
00:43AM0.30m
12:19PM0.39m
1:11AM0.24m
1:03PM0.31m
cloud
part cloud
part cloud
clear
cloud
clear
clear
clear
cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:33
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:42
5:42
 mm
Temp °C
19
19
19
19
20
20
19
18
18
19
19
18
18
18
18
18
19
19
19
19
18
18
Feels °C
17
17
16
17
18
19
19
17
17
17
17
16
16
16
17
17
18
17
17
17
15
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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