Surf Break

Lat Long: 28.84° S 153.61° E

Flat Rock 48 hour detailed Surf Forecast

Issued: 4 am 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Flat Rock sea temperature is
21.8°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 (21 Oct):

  • Morning surf: Morning surf (21 Oct, local time) - 5.5ft (1.7m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (21 Oct, local time) - 5.5ft (1.7m), 8s period with ENE swell.
  • Evening surf: Evening surf (21 Oct, local time) - 6.5ft (2.0m), 8s period with ENE swell.

The current surf forecast for Flat Rock at 11AM is: 1.7m 8s primary swell from a East direction and 0.2m 7s secondary swell from a South-southeast direction (forecast issued at 04:00am October 21). The wind direction is predicted to be glassy and the swell rating is 2.

Time (AEDT) & DateWave HeightWave Period
Morning (21 Oct)5.5ft (1.7m)8s
Afternoon (21 Oct)5.5ft (1.7m)8s
Evening (21 Oct)6.5ft (2.0m)8s

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


Short Range Forecast

Heavy rain (total 80mm), heaviest during Thu morning. Warm (max 21°C on Wed afternoon, min 17°C on Wed morning). Wind will be generally light.

Wednesday
21
Thursday
22
Friday
23
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)
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
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
E
8
1.7
E
8
1.7
E
8
1.7
E
8
1.7
ENE
8
1.8
ENE
8
1.8
ENE
8
2.1
ENE
7
2.1
ENE
7
2.1
ENE
7
2
ENE
7
2
ENE
7
1.8
ENE
7
1.8
ENE
7
1.7
ENE
7
1.6
ENE
7
1.6
ENE
7
1.7
ENE
7
1.9
ENE
7
1.7
ENE
7
1.8
ENE
8
2.3
ENE
8
2.2
ENE
8
2.2
NE
7
Wave Graph
Metric surfscale
Energy kJ
333
365
374
374
383
408
414
455
456
428
383
372
315
307
263
235
229
263
376
314
383
590
572
529
Wind (km/h)
10
W
10
WSW
5
WSW
0
ESE
10
ENE
20
NNE
20
NNE
20
NNE
20
NNE
20
NNE
25
NE
25
NE
25
NE
20
NE
20
NE
20
NE
20
NE
15
NE
10
NNE
10
N
20
NNE
25
NNE
25
NNE
25
NNE
Wind State
off
off
off
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross
High Tide
5:53AM0.90m
5:29PM1.23m
6:32AM1.02m
6:17PM1.26m
7:06AM1.16m
7:01PM1.28m
Low Tide
11:41PM0.36m
10:58AM0.53m
00:16AM0.29m
12:00PM0.46m
00:48AM0.24m
12:53PM0.38m
light rain
part cloud
clear
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
mod rain
heavy rain
mod rain
mod rain
light rain
light rain
light rain
light rain
light rain
rain showers
thunderstorm
thunderstorm
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:03
—
—
—
—
—
—
—
6:01
—
—
—
—
—
—
—
6:01
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:57
—
—
—
—
—
—
—
6:58
—
—
—
—
—
—
—
6:59
—
—
 mm
1
—
—
—
1
1
2
5
6
6
10
12
10
7
2
2
2
1
1
4
2
2
1
1
Temp °C
17
17
17
19
20
21
20
19
19
19
19
19
18
18
18
18
19
19
19
19
21
21
20
20
Feels °C
17
17
18
21
20
20
19
18
17
17
17
16
16
16
16
16
17
18
19
19
20
19
17
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 

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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