Flat Rocks Beach (WA) Surf Break

Lat Long: 29.02° S 114.78° E

Flat Rocks Beach (WA) 48 hour detailed Surf Forecast

Issued: 7 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Flat Rocks Beach (WA) sea temperature is
18.6° C
1.4° 

Flat Rocks Beach (WA) 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 Rocks Beach (WA) today (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 6ft (1.8m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 6ft (1.8m), 19s period with SW swell.
  • Evening surf: Evening surf (17 Aug, local time) - 11ft (3.5m), 18s period with SW swell.

The current surf forecast for Flat Rocks Beach (WA) at 3PM is: 1.8m 19s primary swell from a Southwest direction and 1.3m 5s secondary swell from a West-northwest direction (forecast issued at 07:00am August 17). The wind direction is predicted to be cross-onshore.

Time (AWST) & DateWave HeightWave Period
Morning (17 Aug)6ft (1.8m)16s
Afternoon (17 Aug)6ft (1.8m)19s
Evening (17 Aug)11ft (3.5m)18s

Table - waves today at Flat Rocks Beach (WA). (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon afternoon. Warm (max 20°C on Mon morning, min 13°C on Tue morning). Winds decreasing (strong winds from the WNW on Mon afternoon, calm by Tue night).

Monday
17
Tuesday
18
Wednesday
19
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
1
0
0
0
0
!
!
!
!
6
3
3
4
5
4
5
4
4
3
2
2
3
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
SW
15
1.8
SW
16
1.6
SW
17
1.8
SW
19
2.5
SW
19
3.5
SW
18
3.5
SW
17
3.5
SW
17
3.5
SW
17
3.5
SW
16
3
SW
16
3
SW
16
3
SW
16
3
SW
16
3
SW
16
2.5
SW
16
2.5
SW
16
2.3
SW
16
2.2
SW
15
2.1
SW
15
2.1
SW
15
2.3
SW
16
2.5
SW
16
Wave Graph
Metric surfscale
Energy kJ
1232
1591
1432
2367
4498
8048
6137
6115
6115
5658
5363
4991
4780
4549
4076
3589
3182
2601
2237
1932
2093
2770
3525
Wind (km/h)
15
NW
20
NW
30
NW
40
WNW
35
SW
30
SW
20
SSW
10
SSW
10
ESE
10
NE
5
ENE
10
WSW
10
SW
5
WSW
5
SW
5
SSW
5
E
10
ESE
5
SE
10
SW
10
S
20
SSE
20
SSE
Wind State
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-off
cross-off
glassy
on
cross-on
on
glassy
cross-on
off
cross-off
cross-off
cross-on
cross-on
cross
cross
High Tide
10:06AM0.36m
1:08AM0.57m
1:36AM0.59m
Low Tide
6:25AM0.34m
4:57PM0.21m
4:53PM0.19m
4:42PM0.17m
clear
clear
clear
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:50
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:58
5:59
 mm
1
1
Temp °C
17
18
20
19
17
16
16
16
15
13
15
16
16
16
15
16
15
14
16
16
16
16
16
Feels °C
16
15
15
13
10
10
11
13
12
10
13
13
13
14
14
14
13
12
14
14
13
12
12
  • 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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