Flat Rocks Beach (WA) surfForecast / WA – North West / Australia

information circle16 Day Weather and Surf, issued 1 pm Saturday 09 May 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Flat Rocks Beach (WA) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Flat Rocks Beach (WA) sea temperature is
21.3° C
(Which is 1.9°C colder than average for this time of year)

Best Forecast Surf Conditions for Flat Rocks Beach (WA) this week:

The surf forecast for Flat Rocks Beach (WA) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 09) at 8PM. The primary swell is predicted to be 0.5m and 14s period with a secondary swell of 0.1m and 6s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Flat Rocks Beach (WA) in the next 16 days are 2.3m 15s and forecast to arrive on Wednesday (May 13) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Sunday (May 10) at 5AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sat 9th May)1.5ft (0.5m) 14s
Best Surf11PM (Tue 12th May)5ft (1.6m) 14s
Most Powerful11AM (Wed 13th May)7.5ft (2.3m) 15s

Table - best surf conditions forecast for Flat Rocks Beach (WA) over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 26°C on Mon afternoon, min 17°C on Sun morning). Winds increasing (light winds from the ESE on Sat afternoon, fresh winds from the NE by Mon morning).

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Tue afternoon, min 13°C on Fri morning). Winds increasing (calm on Tue afternoon, fresh winds from the S by Thu afternoon).

Sat
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
1
0
0
1
2
0
0
3
1
1
4
3
2
2
2
0
2
2
0
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SW
12
0.4
SW
13
0.4
SW
13
0.4
SW
15
0.6
SW
14
0.8
SW
14
0.9
SW
14
1
SW
14
1.1
SW
13
1.1
SW
13
1.8
SW
14
2.3
SW
15
2.2
SW
15
2.1
SW
14
1.9
SW
14
2.2
SW
13
1.8
SW
13
1.9
SW
14
2
SW
13
2.1
SW
14
1.9
SW
14
Wave Graph
Metric surfscale
Energy kJ
72
45
40
57
167
224
304
395
411
418
1402
2178
2038
1641
1343
1736
1102
1236
1408
1761
1408
Wind (km/h)
10
ESE
30
ENE
25
NE
10
ENE
25
NE
30
NNE
10
SSW
10
ENE
20
NNE
15
SSW
15
NE
20
N
15
SSW
20
SSE
15
SSE
35
S
25
SE
25
SE
30
S
15
ESE
25
ESE
cross-off
off
cross-off
off
off
cross-off
cross-on
off
cross-off
cross-on
off
cross-off
cross-on
cross
cross
cross
cross-off
cross-off
cross-on
cross-off
cross-off
High Tide
12:12PM0.52m
9:43AM0.48m
3:12PM0.46m
7:42AM0.49m
5:31PM0.40m
7:30AM0.55m
7:40PM0.36m
7:40AM0.62m
9:48PM0.34m
8:00AM0.69m
8:29AM0.76m
Low Tide
11:13PM0.16m
11:37PM0.17m
1:39PM0.46m
00:00AM0.19m
2:00PM0.37m
00:18AM0.24m
2:39PM0.27m
00:29AM0.28m
3:24PM0.16m
00:23AM0.32m
4:15PM0.07m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:54
6:54
6:54
6:54
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:40
5:39
5:38
5:38
5:37
5:37
5:37
Temp °C
25
23
21
25
24
24
26
23
25
27
24
25
24
21
19
19
18
17
19
18
18
21
17
14
20
19
17
22
20
19
24
19
20
19
20
17
16
13
11
13
12
12
Swell 1
Height (m)
Direction
Period (s)
0.5
SW
12
0.4
SW
13
0.4
SW
13
0.4
SW
15
0.6
SW
14
0.8
SW
14
0.9
SW
14
1
SW
14
1.1
SW
13
1.1
SW
13
1.8
SW
14
2.3
SW
15
2.2
SW
15
2.1
SW
14
1.9
SW
14
2.1
SW
13
1.8
SW
13
1.9
SW
14
2
SW
13
2.1
SW
14
1.9
SW
14
Energy kJ
72
45
40
57
167
224
304
395
411
418
1402
2178
2038
1641
1343
1613
1102
1236
1408
1761
1408
Swell 2
Height (m)
Direction
Period (s)
0.3
SW
15
0.3
SW
11
0.3
SW
16
0.3
SW
12
0.2
WSW
19
0.4
SW
16
0.8
WSW
11
0.2
WSW
18
0.7
SW
16
Energy kJ
34
19
40
24
35
69
145
32
245
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
6
0.1
SW
16
0.2
NNW
6
0.1
NW
6
0.2
NNW
5
Energy kJ
1
11
3
1
3
Wind waves
Height (m)
Direction
Period (s)
0.4
ENE
3
0.4
NNE
3
0.5
N
3
2.2
SW
13
1.2
SSW
6
Energy kJ
3
4
5
1736
113
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
2
3
3
2
3
4
4
4
4
4
2
4
4
4
4
4
Distance (km)
0
39
6
0
0
665
658
0
6
22
0
353
33
32
32
509
269
216
344
22
22
Best forecast wave conditions in North West WA
Rating
(10 max)
1
1
1
1
2
3
3
3
4
5
4
4
4
4
4
Best forecast wave conditions in Australia
Rating
(10 max)
3
3
2
3
4
4
3
4
4
4
5
5
4
8
4
5
5
6
5
5
4
Header Global
Rating
(10 max)
5
5
4
4
5
6
5
4
9
9
9
9
9
8
9
5
6
6
5
5
6
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Flat Rocks Beach (WA) Surf forecast

The above surf forecast table for Flat Rocks Beach (WA) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Flat Rocks Beach (WA) can be found by selecting the local surf guide option on the grey menu. Our Flat Rocks Beach (WA) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Flat Rocks Beach (WA)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Flat Rocks Beach (WA) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

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