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Surf Forecasts:

Radar Reef surfForecast / WA – Rottnest Island / Australia

information circle48hr Weather and Surf, issued 7 pm Tuesday 20 Jan 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
22.1° C
 (Which is slightly warmer than usual)

How big are the waves at Radar Reef today?

The current surf forecast for Radar Reef at 12AM is: 1.6m 14s primary swell from a West-southwest direction and 0.7m 4s secondary swell from a South direction (forecast issued at 07:00pm January 20). The wind direction is predicted to be cross-offshore.

Time (AWST) & DateWave HeightWave Period
Morning (21 Jan)4.5ft (1.3m)14s
Afternoon (21 Jan)4ft (1.2m)13s
Evening (21 Jan)3.5ft (1.0m)13s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
0
0
2
0
0
1
2
2
0
0
0
1
2
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
WSW
1.7
WSW
1.6
WSW
1.6
WSW
1.5
WSW
1.3
WSW
1.3
WSW
1.2
WSW
1.1
WSW
1.1
WSW
1
WSW
1
WSW
1
WSW
1
WSW
0.9
WSW
0.9
WSW
1.5
SW
1.8
SW
2
SW
1.7
SW
1.5
SW
1.4
SW
1.3
SW
0.5
WSW
Period(s) (?)161514141414131313131312121212121267767719
Wave
Graph
(?)Metric surfscale
Energy kJ (?)15071145996982862653536491414414341292304274226222614247345248183176164203
Wind
(km/h)
35
S
30
S
20
SE
35
E
35
E
35
ENE
20
ENE
10
ESE
20
S
20
SSE
20
S
10
SE
25
NNE
20
N
20
W
40
SSW
40
SSW
40
SSW
40
S
35
SSW
35
S
25
S
25
SSW
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		crosscross-
on		crossoffcross-
off		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		on
High Tide
/ height (m)
9:56PM
0.86
10:29PM
0.74
1:48PM
0.43
11:00PM
0.62
1:41PM
0.46
Low Tide
/ height (m)
6:36AM
0.20
6:43AM
0.21
4:10PM
0.41
6:35AM
0.24
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise-----5:31-------5:31-------5:33--
Sunset7:25-------7:25-------7:24-------
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C292931262425323535302828272725212120202020191919
Feels °C (?)222326191819283230262426222323171614141415161514
  • 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

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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.

View detailed surf forecast for Radar Reef at:
surf-forecast.com

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