Cottesloe Beach Surf Break

Lat Long: 31.99° S 115.74° E

Cottesloe Beach 48 hour detailed Surf Forecast

Issued: 7 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cottesloe Beach sea temperature is
17.2° C
1.7° 

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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 8ft (2.5m), 14s period with WSW swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 11ft (3.5m), 9s period with WSW swell.
  • Evening surf: Evening surf (10 Aug, local time) - 10ft (3.0m), 11s period with SW swell.

The current surf forecast for Cottesloe Beach at 12AM is: 2.0m 13s primary swell from a West-southwest direction and 1.3m 16s secondary swell from a West-southwest direction, 0.4m 20s secondary swell from a West-southwest direction (forecast issued at 07:00pm August 09). The wind direction is predicted to be onshore.

Time (AWST) & DateWave HeightWave Period
Morning (10 Aug)8ft (2.5m)14s
Afternoon (10 Aug)11ft (3.5m)9s
Evening (10 Aug)10ft (3.0m)11s

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


Short Range Forecast

Heavy rain (total 21mm), heaviest during Mon morning. Very mild (max 16°C on Sun night, min 9°C on Mon night). Winds decreasing (near gales from the SW on Mon afternoon, light winds from the ENE by Tue night).

Sun
9
Monday
10
Tuesday
11
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)
1
2
0
0
0
0
0
0
0
0
2
3
4
5
5
3
4
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
WSW
16
2.5
WSW
16
2
WSW
13
2.3
WSW
15
2.4
WSW
14
2.5
WSW
14
3
WSW
7
3.5
WSW
9
3.5
WSW
10
3
SW
11
3.5
WSW
12
3.5
WSW
13
3.5
WSW
16
3
WSW
16
3
WSW
16
2.5
WSW
16
3
WSW
16
2.5
WSW
16
2.5
WSW
16
Wave Graph
Metric surfscale
Energy kJ
3412
3102
1286
2334
2445
2648
870
1771
2371
2476
3128
3861
5120
5155
4849
3832
4036
3740
3113
Wind (km/h)
15
WNW
15
WNW
25
W
25
W
30
W
35
W
40
W
50
SW
50
SW
40
SSW
25
SSE
20
SSE
15
SSE
15
SE
10
S
15
SSW
15
SSW
15
S
10
SE
Wind State
on
on
cross-on
on
on
on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
High Tide
7:19AM0.74m
8:13AM0.75m
Low Tide
4:08PM-0.04m
4:43PM-0.05m
5:17PM-0.02m
clear
light rain
rain showers
rain showers
rain showers
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
 mm
1
2
1
2
3
4
2
2
1
2
1
Temp °C
15
15
16
16
16
16
16
14
12
11
9
9
9
9
12
14
15
15
14
Feels °C
12
12
11
11
10
9
8
3
1
2
3
4
4
5
9
9
11
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.


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