Flat Rocks Beach (WA) Surf Break

Lat Long: 29.02° S 114.78° E

Flat Rocks Beach (WA) 48 hour detailed Surf Forecast

Issued: 1 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Flat Rocks Beach (WA) sea temperature is
18.8° C
1.1° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 11ft (3.5m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 10ft (3.0m), 16s period with SW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 16s period with SW swell.

The current surf forecast for Flat Rocks Beach (WA) at 6AM is: 3.5m 17s primary swell from a Southwest direction (forecast issued at 01:00am August 18). The wind direction is predicted to be offshore and the swell rating is 11.

Time (AWST) & DateWave HeightWave Period
Morning (18 Aug)11ft (3.5m)16s
Afternoon (18 Aug)10ft (3.0m)16s
Evening (18 Aug)10ft (3.0m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Thu morning, min 13°C on Tue morning). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
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)
!
!
!
!
3
2
4
4
3
5
4
4
2
1
2
4
4
4
4
4
2
2
1
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)
3.5
SW
17
3.5
SW
17
3.5
SW
16
3.5
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
16
2.3
SW
16
2.5
SW
16
3
SW
16
3
SW
16
3
SW
16
2.5
SW
16
2.5
SW
16
2.5
SW
16
2.4
SW
16
2.4
SW
16
Wave Graph
Metric surfscale
Energy kJ
6115
6043
5658
5590
4991
4780
4549
4076
3589
3182
2601
2237
1932
2120
2736
3482
3820
3820
3916
3525
3253
3039
2839
2803
Wind (km/h)
15
SSW
5
SE
10
NE
5
ENE
15
SW
15
SW
10
SW
10
SSW
10
SSW
0
SSE
10
NE
0
NE
15
SSW
15
SSW
20
SSE
20
SE
20
SE
15
ESE
15
ESE
15
ESE
15
S
25
S
25
SSE
20
SE
Wind State
cross-on
cross-off
off
glassy
on
on
cross-on
cross-on
cross-on
glassy
off
glassy
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross
cross
cross-off
High Tide
1:08AM0.57m
1:36AM0.59m
2:11AM0.59m
Low Tide
4:53PM0.19m
4:42PM0.17m
4:11PM0.16m
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
cloud
cloud
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:50
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:59
5:59
 mm
Temp °C
16
15
13
16
16
16
16
16
16
16
14
16
17
17
17
15
14
13
14
18
18
18
18
16
Feels °C
12
13
10
14
13
12
13
14
13
15
12
16
14
14
14
11
10
9
10
14
14
13
13
11
  • 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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