Radar Reef surfForecast / WA – Rottnest Island / Australia

information circle48hr Weather and Surf, issued 7 pm Saturday 20 Dec 2025 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
21.9° C
(Which is 1.4°C warmer than normal for this time of year)


How big are the waves at Radar Reef today?

The current surf forecast for Radar Reef at 12AM is: 1.8m 8s primary swell from a Southwest direction and 0.8m 13s secondary swell from a West-southwest direction (forecast issued at 07:00pm December 20). The wind direction is predicted to be cross-shore.

Time (AWST) & DateWave HeightWave Period
Morning (21 Dec)4.5ft (1.4m)13s
Afternoon (21 Dec)5ft (1.6m)13s
Evening (21 Dec)4ft (1.2m)13s

Table - waves today at Radar Reef. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Saturday
20
Sunday
21
Monday
22
Tuesday
23
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
1
2
1
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
2
0
Swell
Height Map
Wave Height (m) & direction (?)
2.3
SW
2.5
SW
2.1
SW
1.6
SW
1
WSW
1.4
SW
1.4
WSW
1.4
SW
1.8
SW
1.2
WSW
1.1
WSW
1.1
WSW
1.1
WSW
1.2
WSW
1.5
SW
1.3
WSW
2.1
SW
1.5
WSW
1.5
WSW
1.4
WSW
1.7
SW
1.6
SW
1.4
SW
1.5
SW
Period(s) (?)78891313131313131313131313131817161615151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)520676582354321700649700105348440240240246973461525281274115592113761088846902
Wind
(km/h)
50
SSW
50
S
40
SE
35
SE
30
ESE
20
ESE
10
SSW
35
SSW
40
SSW
45
S
45
S
40
SSE
35
SE
25
SE
25
S
35
SSW
40
SSW
35
S
30
SE
35
ESE
35
E
30
E
10
SE
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
on
oncross-
on
cross-
on
cross-
on
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
crosscross-
on
High Tide
/ height (m)
8:57PM
1.09
9:24PM
1.06
9:52PM
0.99
Low Tide
/ height (m)
6:36AM
0.28
7:10AM
0.26
7:42AM
0.23
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Sunrise-----5:07-------5:07-------5:09--
Sunset7:22-------7:22-------7:22-------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C192120161515171819191918171719202021222019202626
Feels °C (?)911118910131112121111111214141416181413152420
  • 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

Latest Updates

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Radar Reef surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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