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

information circle16 Day Weather and Surf, issued 1 pm Tuesday 14 Apr 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
22.8° C
(Which is slightly cooler than normal)

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 (Apr 18) at 8AM. The primary swell is predicted to be 1.0m and 11s period with a secondary swell of 0.3m and 19s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Flat Rocks Beach (WA) in the next 16 days are 2.5m 16s and forecast to arrive on Tuesday (Apr 21) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sat 18th Apr)3.5ft (1.0m) 11s
Best Surf 8AM (Sat 18th Apr)3.5ft (1.0m) 11s
Most Powerful 2PM (Tue 21st Apr)8ft (2.5m) 16s

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 30°C on Tue afternoon, min 20°C on Wed night). Winds increasing (light winds from the NNE on Tue night, fresh winds from the S by Wed night).

Days 3-6 Weather Summary Mostly dry. Warm (max 23°C on Sun morning, min 17°C on Sun morning). Winds increasing (light winds from the SE on Sat morning, fresh winds from the SSE by Sun night).

Tue
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
2
1
0
2
1
0
1
1
0
0
1
0
2
2
1
1
1
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SW
1.5
SW
1.6
SW
1.9
SW
1.2
SW
1.7
SW
1.6
SW
1.4
SW
1.4
SW
1.3
SW
1.1
SW
1.1
SW
1.3
SW
0.8
SW
1.5
SW
1.7
SW
1.5
SW
1.4
SW
1.4
SW
1.1
SW
2.3
SW
Period(s) (?)151414141315141312121110111615141313121213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)54281310631311511134997869059051127323537730292411637786696033731819
Wind
(km/h)
25
S
15
SE
20
SSW
20
S
25
SSE
15
SSW
25
SSW
15
SSW
15
WSW
20
WSW
20
SW
5
SW
20
SSW
25
SSE
15
SSE
30
S
20
SSE
15
SSW
15
WNW
30
WSW
25
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
off
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
cross-
off
crosscrosscrosscross-
on
cross-
on
oncross-
on
High Tide
/ height (m)
Low Tide
/ height (m)
Tue
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Sunrise--6:37--6:39--6:39--6:39--6:39--6:41--6:41
Sunset6:04--6:02--6:01--6:00--6:00--5:59--5:58--
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
part cloud
Rain (mm)
-------------------1-
Temp. °C302422222021212020212121212023222020212119
Feels °C (?)272523201721201819191821191821181719201914
  • Map Icons:
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  • 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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