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

information circle12 Day Weather and Surf, issued 1 am Sunday 07 Dec 2025 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
22.4° C
(Which is 1.3°C warmer than normal 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 14) at 5AM. The primary swell is predicted to be 1.1m and 11s period with a secondary swell of 0.3m and 15s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Flat Rocks Beach (WA) in the next 12 days are 2.1m 13s and forecast to arrive on Tuesday (Dec 09) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Dec 14) at 8AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 14th Dec)3.5ft (1.1m) 11s
Best Surf 5AM (Sun 14th Dec)3.5ft (1.1m) 11s
Most Powerful 5PM (Tue 9th Dec)7ft (2.1m) 13s

Table - best surf conditions forecast for Flat Rocks Beach (WA) over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 22°C on Sun morning, min 18°C on Sun night). Mainly strong winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Fri night, min 20°C on Wed night). Mainly strong winds.

Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SSW
1.9
SSW
0.7
SW
1.4
SSW
1.9
SSW
1.6
SSW
1.1
SW
2.1
SSW
1.3
SW
1.9
SW
1.8
SW
1.2
SW
1.8
SW
2.1
SSW
2.1
SSW
2.1
SSW
2.4
SSW
2.2
SSW
1.3
SSW
1.5
SSW
0.8
SW
Period(s) (?)11151414671413131314141313898109711
Wave
Graph
(?)Metric surfscale
Energy kJ (?)419151620676325822744015205351164117951810771407601735679851287206142
Wind
(km/h)
30
S
35
S
25
SSE
25
SSW
35
S
35
SSE
25
SSW
35
SSW
30
S
20
WSW
25
SSW
25
S
25
SSW
35
SSW
35
S
35
SSW
40
S
35
SE
25
ESE
40
S
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crosscross-
on
cross-
on
crosscross-
on
cross-
on
crossoncross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
off
cross-
off
crossoff
High Tide
/ height (m)
10:43PM
0.78
11:22PM
0.71
11:45PM
0.61
10:25PM
0.53
9:18PM
0.49
6:06PM
0.50
5:58PM
0.56
Low Tide
/ height (m)
8:45AM
0.02
9:29AM
0.09
9:52AM
0.16
9:17AM
0.22
7:59AM
0.23
7:36AM
0.23
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunrise5:13--5:13--5:13--5:13--5:15--5:15--5:15--
Sunset-7:08--7:09--7:10--7:10--7:12--7:13--7:13-
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
thunderstorm
Rain (mm)
--------------------4
Temp. °C222220212120212120212220212121222225323129
Feels °C (?)181914171715191716202118191819181820272824
  • 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 12 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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