Cottesloe Beach Surf Break

Lat Long: 31.99° S 115.74° E

Cottesloe Beach 48 hour detailed Surf Forecast

Issued: 1 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cottesloe Beach sea temperature is
16.9° C
1.9° 

Cottesloe Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Cottesloe Beach today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 8ft (2.5m), 16s period with WSW swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 8ft (2.5m), 16s period with WSW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 7.5ft (2.3m), 16s period with WSW swell.

The current surf forecast for Cottesloe Beach at 7AM is: 3.0m 16s primary swell from a West-southwest direction (forecast issued at 01:00am August 20). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (AWST) & DateWave HeightWave Period
Morning (20 Aug)8ft (2.5m)16s
Afternoon (20 Aug)8ft (2.5m)16s
Evening (20 Aug)7.5ft (2.3m)16s

Table - waves today at Cottesloe Beach. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 19°C on Fri afternoon, min 12°C on Fri morning). Winds increasing (calm on Thu morning, fresh winds from the S by Sat night).

Thursday
20
Friday
21
Saturday
22
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
5
5
4
4
2
3
3
4
4
4
4
4
3
2
3
4
4
4
4
3
2
1
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
WSW
16
3
WSW
16
3
WSW
16
2.5
WSW
16
2.5
WSW
16
2.4
WSW
16
2.4
WSW
16
2.3
WSW
16
2.3
WSW
16
2.2
WSW
15
2.2
WSW
15
2.2
WSW
15
2.1
WSW
14
2.1
WSW
14
2.1
WSW
14
2
WSW
14
2
WSW
14
1.8
WSW
14
1.8
WSW
14
1.9
WSW
16
1.8
WSW
16
1.7
WSW
16
1.6
WSW
16
1.5
WSW
15
Wave Graph
Metric surfscale
Energy kJ
4161
4320
3944
3594
2986
2696
2696
2491
2459
2179
2094
2010
1822
1900
1822
1600
1600
1265
1319
1904
1547
1307
1154
949
Wind (km/h)
10
ESE
10
E
10
ENE
5
SE
15
SW
20
SSW
20
SSE
15
SE
10
SE
10
ESE
10
E
10
E
10
SSW
20
SSW
20
SSE
10
SE
10
ESE
5
E
10
ENE
5
N
20
SW
25
S
25
S
30
S
Wind State
off
cross-off
cross-off
glassy
cross
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross
cross
cross-off
off
off
off
cross-off
cross
cross
cross-off
cross-off
cross-off
High Tide
1:50AM0.56m
3:23AM0.56m
4:56AM0.57m
Low Tide
3:15PM0.13m
3:26PM0.10m
3:43PM0.09m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:47
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
 mm
Temp °C
15
14
14
16
17
17
16
16
15
13
12
17
19
18
18
18
17
15
15
18
18
17
16
15
Feels °C
13
13
12
15
13
13
13
13
12
10
9
15
16
15
15
16
15
13
12
16
14
13
12
10
  • 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
How to use the Wavefinder 

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 Cottesloe Beach 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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