Cottesloe Beach Surf Break

Lat Long: 31.99° S 115.74° E

Cottesloe Beach 48 hour detailed Surf Forecast

Issued: 7 pm 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cottesloe Beach sea temperature is
17.0°C
1.6° 

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 (31 Aug):

  • Morning surf: Morning surf (31 Aug, local time) - 4.5ft (1.3m), 18s period with WSW swell.
  • Afternoon surf: Afternoon surf (31 Aug, local time) - 6ft (1.8m), 17s period with WSW swell.
  • Evening surf: Evening surf (31 Aug, local time) - 5.5ft (1.7m), 16s period with WSW swell.

The current surf forecast for Cottesloe Beach at 1AM is: 1.8m 16s primary swell from a West-southwest direction and 0.6m 20s secondary swell from a West direction (forecast issued at 07:00pm August 30). The wind direction is predicted to be glassy and the swell rating is 4.

Time (AWST) & DateWave HeightWave Period
Morning (31 Aug)4.5ft (1.3m)18s
Afternoon (31 Aug)6ft (1.8m)17s
Evening (31 Aug)5.5ft (1.7m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Sun night, min 12°C on Tue morning). Winds increasing (calm on Sun night, fresh winds from the S by Mon night).

Sun
30
Monday
31
Tuesday
1
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)
2
4
4
4
3
2
1
0
0
0
2
3
3
3
4
3
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
WSW
17
2
WSW
16
1.9
WSW
16
1.8
WSW
16
1.7
WSW
16
1.3
WSW
18
1.4
WSW
17
1.8
WSW
17
1.7
WSW
17
1.7
WSW
16
1.7
WSW
16
1.7
WSW
16
1.6
WSW
16
1.6
WSW
16
1.6
WSW
16
1.8
WSW
15
1.4
WSW
15
1.4
WSW
14
1.7
WSW
14
Wave Graph
Metric surfscale
Energy kJ
2225
1972
1872
1675
1474
1028
1073
1885
1694
1521
1447
1429
1261
1245
1193
1551
845
800
1240
Wind (km/h)
10
WSW
5
S
5
SSW
5
WNW
10
WNW
15
WNW
15
WNW
20
W
25
W
20
W
30
S
25
S
20
SSE
20
SE
10
S
15
SSW
15
SSW
15
SSW
10
SSW
Wind State
cross-on
cross-off
glassy
glassy
on
on
on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
High Tide
11:09PM0.48m
10:39AM0.40m
11:24PM0.53m
10:42AM0.32m
Low Tide
4:44PM0.21m
5:16AM0.25m
4:42PM0.23m
6:22AM0.25m
4:28PM0.23m
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
clear
cloud
part cloud
cloud
cloud
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:59
6:00
 mm
Temp °C
19
18
18
17
17
17
18
17
18
18
14
13
13
12
15
15
14
14
14
Feels °C
17
18
19
18
17
16
16
14
14
15
8
8
9
7
12
11
10
11
11
  • 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.


Nearest locationNearest