Cottesloe Beach Surf Break

Lat Long: 31.99° S 115.74° E

Cottesloe Beach 48 hour detailed Surf Forecast

Issued: 7 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cottesloe Beach sea temperature is
17.8°C
0.8° 

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 (15 Sep):

  • Afternoon surf: Afternoon surf (15 Sep, local time) - 6.5ft (2.0m), 14s period with WSW swell.
  • Evening surf: Evening surf (15 Sep, local time) - 6ft (1.8m), 14s period with WSW swell.

The current surf forecast for Cottesloe Beach at 10PM is: 1.8m 14s primary swell from a West-southwest direction and 0.5m 4s secondary swell from a South direction (forecast issued at 07:00pm September 15). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.

Time (AWST) & DateWave HeightWave Period
Morning (15 Sep)--
Afternoon (15 Sep)6.5ft (2.0m)14s
Evening (15 Sep)6ft (1.8m)14s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 28°C on Wed afternoon, min 16°C on Fri afternoon). Winds increasing (calm on Wed afternoon, fresh winds from the NW by Fri afternoon).

Tue
15
Wednesday
16
Thursday
17
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)
3
3
2
2
2
2
0
0
2
2
2
1
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
WSW
14
1.7
WSW
14
1.8
WSW
14
1.7
WSW
14
1.6
WSW
14
1.4
WSW
14
1.3
WSW
14
1.2
WSW
13
1.1
WSW
13
1.1
WSW
13
1
WSW
13
1.1
WSW
15
1.1
WSW
15
1.1
WSW
14
1
WSW
14
1.1
WSW
14
1
WSW
13
0.9
WSW
13
0.9
WSW
13
Wave Graph
Metric surfscale
Energy kJ
1355
1223
1283
1083
942
765
653
514
434
396
331
498
485
465
352
415
336
303
303
Wind (km/h)
20
SSE
20
ESE
20
ENE
20
ENE
15
ENE
20
ENE
25
NE
20
NNE
5
NE
5
NE
10
ENE
25
NE
25
NNE
20
N
20
NNW
25
WNW
25
WNW
15
NNW
15
N
Wind State
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
glassy
cross-off
cross-off
cross-off
cross
cross
cross-on
on
on
cross-on
cross
High Tide
11:03PM0.60m
11:22PM0.60m
Low Tide
3:05PM0.21m
2:05PM0.18m
1:59PM0.15m
cloud
cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:08
6:08
 mm
Temp °C
23
22
20
18
18
19
24
28
27
26
24
24
23
23
22
21
19
18
18
Feels °C
20
19
18
15
16
16
21
26
28
26
23
20
18
19
19
18
17
18
18
  • 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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