Cottesloe Beach Surf Break

Lat Long: 31.99° S 115.74° E

Cottesloe Beach 48 hour detailed Surf Forecast

Issued: 1 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cottesloe Beach sea temperature is
17.3°C
1.2° 

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 (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 10ft (3.0m), 16s period with WSW swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 5ft (1.6m), 16s period with WSW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 4.5ft (1.4m), 15s period with WSW swell.

The current surf forecast for Cottesloe Beach at 8AM is: 3.0m 16s primary swell from a West-southwest direction (forecast issued at 01:00am September 12). The wind direction is predicted to be cross-onshore.

Time (AWST) & DateWave HeightWave Period
Morning (12 Sep)10ft (3.0m)16s
Afternoon (12 Sep)5ft (1.6m)16s
Evening (12 Sep)4.5ft (1.4m)15s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Mon afternoon, min 13°C on Mon night). Winds decreasing (fresh winds from the WSW on Sat morning, light winds from the ESE by Mon morning).

Saturday
12
Sunday
13
Monday
14
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)
0
0
0
0
1
1
2
3
3
2
2
1
1
1
2
3
4
4
4
4
2
4
3
3
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)
2
WSW
17
2.5
W
17
3
WSW
16
1.7
WSW
16
1.6
WSW
16
1.5
WSW
16
1.5
WSW
15
1.4
WSW
15
1.4
WSW
14
1.3
WSW
14
1.5
WSW
14
2.1
WSW
14
1.8
WSW
13
2.1
WSW
16
2.1
WSW
15
2.2
WSW
15
2.4
WSW
14
2.4
WSW
14
2.4
WSW
14
2.2
WSW
14
2.3
WSW
14
2.4
WSW
14
2.2
WSW
14
2.2
WSW
14
Wave Graph
Metric surfscale
Energy kJ
2357
3523
3888
1375
1208
999
986
819
763
642
849
1605
1073
2080
2088
2169
2329
2234
2171
1941
2006
2160
1849
1875
Wind (km/h)
30
NW
40
W
30
WSW
25
WSW
20
WSW
15
WSW
10
WSW
10
WNW
10
NW
10
NW
10
NW
15
WNW
20
W
15
W
10
WSW
10
SW
10
SSE
10
E
10
ENE
5
ESE
20
SW
10
SE
25
ESE
30
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
on
cross-on
cross-on
cross-on
cross
cross-off
off
cross-off
off
cross
cross-off
off
off
High Tide
10:15AM0.45m
10:26PM0.50m
10:44AM0.37m
10:37PM0.55m
10:46AM0.30m
10:49PM0.59m
Low Tide
3:55AM0.25m
3:51PM0.26m
4:47AM0.23m
3:35PM0.26m
5:37AM0.23m
3:24PM0.24m
rain showers
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:06
6:07
6:07
 mm
1
2
Temp °C
19
17
17
16
16
16
16
15
15
14
14
16
17
17
18
17
17
16
16
19
19
22
17
14
Feels °C
15
11
10
11
12
13
14
13
13
12
12
13
14
13
15
15
15
14
14
17
14
19
12
8
  • 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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