Surf Break

Lat Long: 28.84° S 153.61° E

Flat Rock 48 hour detailed Surf Forecast

Issued: 4 am 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Flat Rock sea temperature is
21.3°C
0.6° 

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 (20 Oct):

  • Morning surf: Morning surf (20 Oct, local time) - 5ft (1.5m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (20 Oct, local time) - 5ft (1.6m), 8s period with ENE swell.
  • Evening surf: Evening surf (20 Oct, local time) - 5.5ft (1.7m), 8s period with E swell.

The current surf forecast for Flat Rock at 7AM is: 1.5m 8s primary swell from a East direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 04:00am October 20). The wind direction is predicted to be glassy and the swell rating is 2.

Time (AEDT) & DateWave HeightWave Period
Morning (20 Oct)5ft (1.5m)8s
Afternoon (20 Oct)5ft (1.6m)8s
Evening (20 Oct)5.5ft (1.7m)8s

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


Short Range Forecast

Heavy rain (total 91mm), heaviest during Thu morning. Warm (max 20°C on Wed afternoon, min 16°C on Tue morning). Wind will be generally light.

Tuesday
20
Wednesday
21
Thursday
22
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
2
2
2
2
1
0
0
2
2
2
2
1
0
0
2
2
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
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
ENE
8
1.6
E
8
1.5
E
8
1.5
E
8
1.6
ENE
8
1.6
E
8
1.6
E
8
1.7
E
8
1.8
ENE
8
1.8
ENE
8
1.9
ENE
8
1.9
ENE
8
2
ENE
8
2
ENE
8
2
ENE
8
2.2
ENE
8
2.5
ENE
7
2.4
ENE
7
2.3
ENE
7
2.2
ENE
7
2.1
ENE
7
2
ENE
7
1.5
E
7
1.6
ENE
7
Wave Graph
Metric surfscale
Energy kJ
341
333
294
279
295
324
316
374
427
416
427
427
472
498
486
539
650
611
523
476
456
394
251
273
Wind (km/h)
5
ENE
0
NE
0
SE
5
SE
5
ESE
10
E
20
ENE
15
ENE
5
WNW
15
W
10
W
10
W
10
ENE
15
NE
15
NNE
15
NNE
10
N
10
N
15
N
25
NE
25
NNE
20
NNE
20
NE
20
NE
Wind State
cross-on
glassy
glassy
glassy
glassy
on
on
cross-on
cross-off
off
off
off
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:59AM0.81m
4:33PM1.21m
5:53AM0.90m
5:29PM1.23m
6:32AM1.02m
6:17PM1.26m
Low Tide
9:43AM0.57m
11:41PM0.36m
10:58AM0.53m
00:16AM0.29m
12:00PM0.46m
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
mod rain
rain showers
part cloud
cloud
part cloud
cloud
thunderstorm
thunderstorm
rain showers
rain showers
light rain
mod rain
mod rain
mod rain
mod rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:03
—
—
—
—
—
—
—
6:03
—
—
—
—
—
—
—
6:01
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:57
—
—
—
—
—
—
—
6:57
—
—
—
—
—
—
—
6:58
—
—
 mm
1
1
1
2
3
4
7
9
5
—
—
—
—
1
2
4
4
3
8
10
9
10
5
2
Temp °C
17
17
16
17
17
17
18
17
17
16
17
19
20
20
20
19
18
18
18
18
18
18
18
19
Feels °C
17
18
17
18
18
17
17
16
18
15
17
19
20
19
19
18
18
18
18
16
16
16
16
18
  • 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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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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