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 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Flat Rocks Beach (WA) sea temperature is
18.5° C
1.5° 

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 (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 8ft (2.5m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 8ft (2.5m), 16s period with SW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 7.5ft (2.3m), 16s period with SW swell.

The current surf forecast for Flat Rocks Beach (WA) at 10AM is: 2.5m 16s primary swell from a Southwest direction (forecast issued at 07:00am August 20). The wind direction is predicted to be cross-offshore and the swell rating is 5.

Time (AWST) & DateWave HeightWave Period
Morning (20 Aug)8ft (2.5m)16s
Afternoon (20 Aug)8ft (2.5m)16s
Evening (20 Aug)7.5ft (2.3m)16s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Fri afternoon, min 13°C on Thu morning). Mainly fresh winds.

Thursday
20
Friday
21
Saturday
22
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)
4
5
4
0
2
1
3
2
3
3
4
2
1
3
4
4
4
4
4
0
0
1
1
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
SW
16
3
SW
16
2.5
SW
16
2.5
SW
16
2.5
SW
16
2.3
SW
16
2.3
SW
16
2.3
SW
16
2.3
SW
16
2.2
SW
16
2.2
SW
15
2.1
SW
15
2.1
SW
15
2.2
SW
15
2.1
SW
15
1.9
SW
15
2
SW
15
1.8
SW
14
1.7
SW
14
2.1
SW
17
2
SW
16
1.8
SW
16
1.6
SW
16
Wave Graph
Metric surfscale
Energy kJ
3868
3916
3525
3438
3222
2668
2653
2653
2453
2285
2197
1968
1915
2027
1760
1526
1647
1402
1163
2622
1978
1513
1265
Wind (km/h)
15
ESE
15
E
15
SSE
25
S
25
S
30
SSE
25
SE
25
ESE
25
ESE
20
ESE
15
E
20
SSE
30
SSE
20
SE
10
ESE
10
ENE
10
ENE
10
ENE
5
SSE
20
SSW
30
SSW
35
S
25
SSE
Wind State
cross-off
cross-off
cross
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
off
off
off
glassy
cross-on
cross-on
cross
cross
High Tide
2:11AM0.59m
2:59AM0.59m
4:10AM0.58m
Low Tide
4:11PM0.16m
3:49PM0.14m
3:50PM0.12m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:59
6:00
6:00
 mm
Temp °C
14
13
18
18
18
17
16
16
15
15
21
23
21
20
21
18
17
16
20
20
19
18
17
Feels °C
11
10
16
14
13
12
12
11
10
11
18
19
16
17
18
17
16
15
20
17
15
13
14
  • 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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