Radar Reef surfForecast / WA – Rottnest Island / Australia

information circle16 Day Weather and Surf, issued 7 am Thursday 02 Apr 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Radar Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Radar Reef sea temperature is
21.3° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for Radar Reef this week:

The surf forecast for Radar Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Apr 03) at 11AM. The primary swell is predicted to be 1.0m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Radar Reef in the next 16 days are 1.4m 12s and forecast to arrive on Monday (Apr 06) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Friday (Apr 03) at 5AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Fri 3rd Apr)3.5ft (1.0m) 13s
Best Surf11AM (Mon 6th Apr)4.5ft (1.3m) 12s
Most Powerful 8AM (Mon 6th Apr)4.5ft (1.4m) 12s

Table - best surf conditions forecast for Radar Reef over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 23°C on Thu night, min 17°C on Thu morning). Winds decreasing (strong winds from the ESE on Thu night, light winds from the SSW by Sat morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Sun night, min 17°C on Sun night). Winds decreasing (fresh winds from the S on Sun night, light winds from the E by Mon morning).

Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
2
0
1
1
0
0
0
0
0
3
0
0
0
0
0
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SW
0.8
WSW
0.9
SW
1
SW
1
SW
0.9
WSW
0.9
SW
0.7
SW
1.1
SW
0.5
SW
0.4
SW
0.9
WSW
1.3
WSW
1.3
WSW
1.3
WSW
1.2
WSW
1.2
WSW
0.9
WSW
0.9
WSW
0.9
SW
0.9
SW
Period(s) (?)14141413131212125111413121313131313131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)189250264336331264205142626158304504528528423437295286212223
Wind
(km/h)
15
SE
35
SSW
35
ESE
10
ESE
25
S
10
SSE
5
SSW
25
SSW
30
S
25
S
35
SSW
30
SE
5
E
25
SW
25
W
30
S
25
SSW
25
SSE
10
SE
25
SSW
35
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
off
cross-
off
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
oncross-
on
cross-
on
cross-
on
crosscrosscross-
on
cross-
on
High Tide
/ height (m)
9:49AM
0.70
10:05PM
0.51
10:08AM
0.78
10:21PM
0.48
10:30AM
0.85
10:20PM
0.47
10:54AM
0.92
11:18AM
0.98
11:42AM
1.02
12:10PM
1.03
Low Tide
/ height (m)
4:39PM
0.39
2:51AM
0.41
5:33PM
0.40
2:42AM
0.41
6:41PM
0.44
2:29AM
0.43
2:05AM
0.45
1:45AM
0.47
1:42AM
0.48
1:47AM
0.48
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Sunrise6:28--6:30--6:31--6:31--6:31--6:33--6:33--
Sunset-6:13--6:12--6:10--6:09--6:07--6:07--6:06-
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C202223212223202120181920202020191919161819
Feels °C (?)181618201922202017161515201717151413121415
  • 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 Radar Reef Surf forecast

The above surf forecast table for Radar Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Radar Reef can be found by selecting the local surf guide option on the grey menu. Our Radar Reef 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 (Radar Reef) 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 Radar Reef 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.

Radar Reef is 30 km (19 miles) from the very large city of Fremantle. If you plan a holiday in Rottnest Island, look for hotels and other accommodation in Fremantle. Fremantle has rooms for a wide range of budgets as well as cheap car hire and transport links.

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